Dell EMC Server Administrator Storage Management 9.3.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents 1 Overview.....................................................................................................................................11 What Is New In This Release............................................................................................................................................... 11 Before Installing Storage Management.............................................................................................................................
Monitoring Disk Reliability On RAID Controllers.............................................................................................................. 28 Using Alarms To Detect Failures....................................................................................................................................... 28 Time Delay In Displaying Configuration Changes............................................................................................................
Creating A Virtual Disk.................................................................................................................................................. 49 Enabling The Controller Alarm..................................................................................................................................... 49 Disabling The Controller Alarm.....................................................................................................................................
10 Enclosures And Backplanes........................................................................................................ 78 Backplanes............................................................................................................................................................................78 Enclosures............................................................................................................................................................................
Physical Disk Or Physical Device Properties.................................................................................................................... 97 Physical Disk Or Physical Device Tasks........................................................................................................................... 101 Physical Disk Tasks.............................................................................................................................................................
Encrypting A Virtual Disk..............................................................................................................................................117 Create Virtual Disk Express Wizard.................................................................................................................................. 117 Create Virtual Disk Express Wizard Step 2.....................................................................................................................
Dedicated Hot Spare Protection Policy..................................................................................................................... 131 Global Hot Spare Protection Policy........................................................................................................................... 132 Considerations For Hot Spare Protection Policy..................................................................................................... 132 Considerations For Enclosure Affinity..
Which RAID Level Is Best For Me....................................................................................................................................142 20 Supported Features.................................................................................................................143 Supported Features On PERC Hardware Controllers...................................................................................................143 Controller Tasks Supported On PERC Hardware Controllers..
1 Overview Server Administrator Storage Management provides enhanced features for configuring the locally attached RAID and non-RAID disk storage on a system. Storage Management enables you to perform controller and enclosure functions for all supported RAID and nonRAID controllers and enclosures from a single graphical user interface (GUI) or command-line interface (CLI). The GUI is wizard-driven and includes features for novice and advanced users. The CLI is fully featured and scriptable.
Before Installing Storage Management The following sections describe considerations for installing Storage Management. Version Requirements For Controller Firmware And Drivers For Storage Management to function properly, the controllers must have the minimum required version of the firmware and drivers installed. The firmware and drivers listed in the Server Administrator Release Notes refer to the minimum supported version for these controllers.
NOTE: A logical connector is displayed under the HBA 330 controller, and all the physical disks will be detected under this logical connector. NOTE: At times, the connector ID for SAS 12 Gbps HBA may not be displayed correctly on Storage Management. This occurs because of a firmware limitation in the SAS 12 Gbps HBA. However, this connector ID discrepancy does not cause any functional limitation. Support For Disk And Volume Management Storage Management does not provide disk and volume management.
2 Getting Started Server Administrator Storage Management is designed for system administrators who implement hardware RAID solutions and understand corporate and small business storage environments. Storage Management enables you to configure the storage components attached to your system. These components include RAID and non-RAID controllers and the channels, ports, enclosures, and disks attached to them.
where is the IP address for the managed system and 1311 is the default port. NOTE: Type https:// (not http://) in the address field to receive a valid response in your browser. User Privileges Server Administrator provides security through the User, Power User, and Administrator user groups. Each user group is assigned a different level of access to the Server Administrator features. The Administrator privileges are required to access all Storage Management features.
Common Storage Tasks This section provides information on commonly performed storage tasks: • Create and configure virtual disks (RAID configuration). For more information, see: • • • • Assign a hot spare to the virtual disk — When a virtual disk uses a RAID level, you can assign a hot spare (backup physical disk) to rebuild data if a physical disk in the virtual disk fails.
3 Understanding RAID concepts Storage Management uses the Redundant Array of Independent Disks (RAID) technology to provide Storage Management capability. Understanding Storage Management requires an understanding of RAID concepts, as well as some familiarity with how the RAID controllers and operating system view disk space on your system.
• • • • • Stripe size — The total disk space consumed by a stripe not including a parity disk. For example, consider a stripe that contains 64KB of disk space and has 16KB of data residing on each disk in the stripe. In this case, the stripe size is 64KB and the stripe element size is 16KB. Stripe element — A stripe element is the portion of a stripe that resides on a single physical disk. Stripe element size — The amount of disk space consumed by a stripe element.
• • • RAID Level 10 (Striping Over Mirror Sets) Comparing RAID Level And Concatenation Performance No-RAID Concatenation In Storage Management, concatenation refers to storing data on either one physical disk or on disk space that spans multiple physical disks. When spanning more than one disk, concatenation enables the operating system to view multiple physical disks as a single disk. Data stored on a single disk can be considered a simple volume.
RAID 0 characteristics: • • • • Groups n disks as one large virtual disk with a capacity of (smallest disk size) *n disks. Data is stored to the disks alternately. No redundant data is stored. When a disk fails, the large virtual disk fails with no means of rebuilding the data. Better read and write performance. RAID level 1 - mirroring RAID 1 is the simplest form of maintaining redundant data. In RAID 1, data is mirrored or duplicated on one or more physical disks.
• RAID 1 is more expensive in terms of disk space since twice the number of disks are used than required to store the data without redundancy. RAID level 5 -striping with distributed parity RAID 5 provides data redundancy by using data striping in combination with parity information. Rather than dedicating a physical disk to parity, the parity information is striped across all physical disks in the disk group.
RAID 6 characteristics: • • • • • • Groups n disks as one large virtual disk with a capacity of (n-2) disks. Redundant information (parity) is alternately stored on all disks. The virtual disk remains functional with up to two disk failures. The data is reconstructed from the surviving disks. Better read performance, but slower write performance. Increased redundancy for protection of data. Two disks per span are required for parity. RAID 6 is more expensive in terms of disk space.
RAID 50 characteristics: • • • • • Groups n*s disks as one large virtual disk with a capacity of s*(n-1) disks, where s is the number of spans and n is the number of disks within each span. Redundant information (parity) is alternately stored on all disks of each RAID 5 span. Better read performance, but slower write performance. Requires as much parity information as standard RAID 5. Data is striped across all spans. RAID 50 is more expensive in terms of disk space.
RAID 60 characteristics: • • • • • • Groups n*s disks as one large virtual disk with a capacity of s*(n-2) disks, where s is the number of spans and n is the number of disks within each span. Redundant information (parity) is alternately stored on all disks of each RAID 6 span. Better read performance, but slower write performance. Increased redundancy provides greater data protection than a RAID 50. Requires proportionally as much parity information as RAID 6. Two disks per span are required for parity.
RAID 10 characteristics: • • • • • Groups n disks as one large virtual disk with a capacity of (n/2) disks, where n is an even integer. Mirror images of the data are striped across sets of physical disks. This level provides redundancy through mirroring. When a disk fails, the virtual disk still works. The data is read from the surviving mirrored disk. Improved read performance and write performance. Redundancy for protection of data.
RAID Level Data Availability Read Performance Write Performance Rebuild Performance Minimum Disks Required Suggested Uses RAID 5 Good Sequential reads: good. Transactional reads: Very good Fair, unless using writeback cache Fair N + 1 (N = at least Databases and two disks) other read intensive transactional uses. RAID 10 Excellent Very Good Fair Good 2N x X Data intensive environments (large records).
4 Quick Access To Storage Status And Tasks This section describes various methods to determine the status or health of the storage components on your system and how to quickly launch the available controller tasks.
Severity Component Status Warning/Non-critical — A probe or other monitoring device has detected a reading for the component that is above or below the acceptable level. The component may still be functioning, but it could fail. The component may also be functioning in an impaired state. Data loss is possible. Critical/Failure/Error/Fatal — The component has either failed or failure is imminent. The component requires immediate attention and may need to be replaced. Data loss may have occurred.
Time Delay In Displaying Configuration Changes When you change the storage configuration, Storage Management quickly generates SNMP traps in response to the configuration changes. The Storage Management, Management Information Base (MIB) is also updated to reflect storage configuration changes. However, it may take up to five minutes to update the MIB with the most recent storage configuration.
5 PCI Express Solid-State Device Support This section provides an overview of the Storage Management device management support for Peripheral Component Interconnect Express (PCIe) Solid-State Drive (SSD) and its associated devices like the backplane and extender card. In Storage Management, PCIe SSD appears under Storage in the tree view. Storage Management reports the PCIe SSD devices and its various properties.
Properties Description controllers and PCIe SSD subsystems attached to the system starting with zero. This number is the same as the PCIe SSD subsystem ID number reported by the omreportcommand. For information on Command Line Interface, see the Server Administrator Command Line Interface User's Guide. NOTE: In CLI commands, the PCIe SSD subsystem ID is displayed as the controller ID. Status These icons represent the severity or health of the PCIe SSD Subsystem.
Properties Description Device Life Status Displays the life status of the PCIe SSD. The device life status is determined by the following attributes: Percent Lifetime Used — This attribute is determined by the elapsed time since the start of use (up to three years) or percentage of total bytes written (TBW). Write Protect Progress — This attribute is determined by the reduction in number of available spare sectors.
Properties Description NOTE: This option is applicable to Micron PCIe SSDs, Non-Volatile Memory Express (NVMe) PCIe SSDs, and SAS/SATA SSDs. Firmware Revision Displays the firmware version of the physical device. NOTE: The updated firmware version reflects on the Storage Management page after a service restart for the NVMe drives which supports firmware update without reset. Model Number Displays the Piece Part Identification (PPID) of the PCIe SSD. Capacity Displays the capacity of the device.
Blinking And Unblinking A PCIe SSD The Blink task allows you to find a device within a system by blinking one of the LEDs on the device. You can use this task to locate a failed device. Select Unblink to cancel the Blink task or to stop the LED on a physical device that is blinking indefinitely. Preparing To Remove A PCIe SSD PCIe SSDs support orderly hot swap allowing you to add or remove a device without halting or rebooting the system in which the devices are installed.
To Locate Cryptographic Erase In Storage Management NOTE: Cryptographic Erase is not supported for NVMe devices connected to SWRAID controller. 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Expand a controller object. 3. Expand the enclosure or backplane object. 4. Select the Physical Devices object. 5. Select Cryptographic Erase from the Tasks drop-down menu of the physical device you want to clear. 6. Click Execute.
6 Storage Information And Global Tasks Use the Storage information and Global Tasks window to view high-level information about the storage components or devices on your system. These windows also allow you to launch global tasks that affect all controllers attached to the system. Topics: • • • Storage Properties Global Tasks Storage Controller Properties Storage Properties The Storage tree-view object has the following properties. Table 5.
4. Click Execute. The Set Threshold for Remaining Rated Write Endurance window is displayed with the following options: • • Set Threshold for PCIe SSD (1–100) — Displays the default threshold value for all PCIe SSDs Set Threshold for SAS/SATA SSD (1–100) — Displays the default threshold value for all SAS/SATA SSDs 5. Type the threshold values for one or both the available options and click Apply Changes.
NOTE: The newly entered threshold values are retained even after you upgrade Server Administrator. NOTE: When the Available Spare of the SSD drops below the configured threshold, an alert is logged and based on the ‘alert type selection’ the SNMP trap is received for the same. For more information on SNMP traps, see the Dell EMC OpenManage SNMP Reference Guide at dell.com/openmanagemanuals. The threshold polling interval is scheduled to repeat every five minutes.
Property Definition Alarm State Displays whether the alarm on the controller is enabled or disabled. Cluster Mode Indicates whether the controller is part of a cluster configuration. Storage Components For information on attached controllers, see Controllers.
7 Controllers This chapter provides information about the supported controllers and controller features in Storage Management.
RAID Controller Features Different controllers have different features. If you have more than one controller attached to your system, you may notice that the tasks displayed on the Information/Configuration page of the controller are different for each controller. Controllers may also have differences in their read, write, and cache policies as well as how they handle hot spares. You should be aware of these differences when creating virtual disks and assigning hot spares.
Write Policy Does my controller support this feature? See Supported Features. The write policies specify if the controller sends a write-request completion signal as soon as the data is in the cache or after it has been written to the disk. • • Write Back — The controller sends a write-request completion signal as soon as the data is in the controller cache but has not yet been written to disk.
The Disk Cache Policy feature is supported on Non-RAID SAS/SATA physical disks (HDDs) connected to PERC hardware controllers and on RAID SAS/SATA physical disks connected to Software RAID controller. This feature is not dependent on the controller mode and can function as usual when the controller is running in RAID or HBA mode. Set the physical disk caching policy of all members of a virtual disk by enabling the Disk Cache Policy.
• • • • • • • HBA 330 MX HBA 330 MMZ SAS 12 Gbps HBA HBA 330 Mini HBA 330 Adapter HBA 345 Adapter only on C6525 HBA 345 Frnt / Adapter on R6525 NOTE: Storage Management only enumerates and provides the PCI slot information for Broadcom SAS 9207-8e and SAS 9300-8e controllers. As Storage Management does not monitor these non-RAID controllers, devices connected to these controllers are not enumerated, alerts are not logged, and SNMP traps are not sent for these controllers.
Property Definition Minimum Required Driver Version Displays the minimum driver version that is required by Storage Management. This property is displayed only if the controller driver does not meet the minimum requirement. Storport Driver Version Displays the version of the storport driver that is installed on the system. Minimum Required Storport Driver Version Displays the minimum storport driver version required by Storage Management.
Property Definition NOTE: For PowerEdge FD332 storage sled, the name is displayed as: • Single controller — PERC FD33xS (Integrated RAID Controller in Front Chassis Slot , where X displays the controller number and Y displays the front chassis slot number. • Dual controller — PERC FD33xD (Integrated RAID Controller in Front Chassis Slot , where X displays the controller number and Y displays the front chassis slot number.
Property Definition BGI Rate The background initialization (BGI) rate is the percentage of resources available on a system dedicated to perform the background initialization of a virtual disk after it is created. For more information on BGI rate, see Setting Background Initialization Rate. Check Consistency Rate The check consistency rate is the percentage of resources available on a system dedicated to perform check consistency on a redundant virtual disk.
Property Definition Patrol Read State Displays the current state of the patrol read process. Possible values are: • • • Ready — The patrol read process is enabled and runs when next scheduled or when manually initiated. Active — The patrol read process is running. Stopped — The patrol read has been stopped. For more information about patrol read, see Setting The Patrol Read Mode. Patrol Read Rate Displays the percentage of system resources dedicated for running the Patrol Read operation.
NOTE: Different controllers support different features. The tasks displayed on the Available Tasks drop-down menu vary depending on the controller selected. The No Task Available option is displayed when no tasks can be performed due to controller or system configuration limitations.
Testing The Controller Alarm Does my controller support this feature? See Supported Features. Select the Test Alarm task to test whether the controller alarm is functional. The alarm sounds for about 2 seconds. Setting The Rebuild Rate Does my controller support this feature? See Supported Features. The Set Rebuild Rate task allows you to change the rebuild rate for a controller. During a rebuild, the complete contents of a physical disk are reconstructed.
Reset The Controller Configuration To reset the controller configuration: 1. Review the virtual disks that are destroyed by resetting the controller configuration. Make backups as necessary. Click Blink at the bottom of the page to blink the physical disks included in the virtual disks. 2. Click Reset Configuration when you are ready to erase all information on the controller. To exit without resetting the controller configuration, click Go Back to Previous Page.
A foreign configuration is data residing on physical disks that have been moved from one controller to another. Virtual disks residing on physical disks that have been moved are considered to be a foreign configuration. NOTE: It is not recommended to remove an external enclosure cable while the operating system is running on the system. Removing the cable could result in a foreign configuration when the connection is re-established.
Property Definition • Orphan drive — A physical disk in the foreign configuration has configuration information that matches another physical disk that is already a part of an array (either a foreign or a native array). NOTE: For other applicable physical disk tasks and properties, see Physical Disk Or Physical Device Properties and Physical Disk Or Physical Device Tasks. Layout Displays the RAID level of the foreign configuration. Remarks Provides information about the foreign virtual disk.
Importing Or Recovering Foreign Configurations The recover operation attempts to restore degraded, failed, or missing virtual disks to a healthy state. A virtual disk may be in a degraded, failed, or missing state after losing communication with the controller due to a power loss, faulty cable connection, or other failure. A rebuild or background initialization may automatically initiate after the recover operation completes. The virtual disk data may be inconsistent after recovery.
Physical Disks In Foreign Virtual Disks The Physical Disks in Foreign Virtual Disks page displays the physical disks and the dedicated hot spare, if any, included in the foreign configuration. The following table describes the properties for physical disks in the foreign configuration. Table 11. Physical Disk Properties Property Definition Status These icons represent the severity or health of the storage component.
Property Definition Certified Indicates that the drive has firmware which has been tested and fully qualified by the service provider. Drives that are not certified by the service provider may work but, are not supported and recommended for use in servers. Media Displays the media type of the physical disk. The possible values are: • • • Used RAID Disk Space HDD — Hard Disk Drive.
Setting Background Initialization Rate Does my controller support this feature? See Supported Features. The Set Background Initialization Rate task changes the amount of system resources dedicated to the background initialization task. The background initialization rate, configurable between 0% and 100%, represents the percentage of the system resources dedicated for running the background initialization task.
The Set Reconstruct Rate task changes the amount of system resources dedicated for the reconstruct task. The reconstruct task recreates the virtual disk after you have changed the RAID level or reconfigured the virtual disk. The reconstruct rate, configurable between 0% and 100%, represents the percentage of the system resources dedicated for running the reconstruct task.
• Disabled — Prevents the Patrol Read task from running on the system. To Locate Set Patrol Read Mode In Storage Management 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Select a controller object. 3. Click Information/Configuration on the controller Properties page. 4. Select Set Patrol Read mode from the Available Tasks drop-down menu. 5. Click Execute. You can also locate this task from the Change Controller Properties drop-down menu.
• Persistent hot spare NOTE: You can also set these properties using the command-line interface. For more information, see the Server Administrator Command-Line Interface User’s Guide. To Locate Change Controller Properties In Storage Management 1. In the Server Administrator window, under the system tree, select Storage. 2. On the Storage Dashboard page, select Change Controller Properties from the Available Tasks drop-down menu. 3. Click Execute.
Property Definition Automatic Disk Power Saving (Idle C) Enables or disables the Automatic Disk Power Saving (Idle C) feature for additional power saving. When enabled, it enables the new generation power savings without affecting the legacy drives. Time Interval for Spin Down Sets the time interval after which the hot spares and unconfigured drives spins down.
3. Click Information/Configuration on the controller Properties page. 4. Select Manage Physical Disk Power from the Available Tasks drop-down menu. 5. Click Execute. Managing The Preserved Cache The Managed Preserved Cache feature provides you the option to ignore or restore the controller cache data. In the write-back policy, data is written to the cache before being written to the physical disk. If the virtual disk goes offline or is deleted for any reason, the data in the cache is lost.
A Passphrase must contain at least one numeral, alphabets both lower and upper case are allowed, and one non-alphanumeric character (except space). NOTE: Server Administrator Storage Management provides a suggested passphrase below the Passphrase text box. 4. If you want to save the Encryption Key credentials in a file on the managed node, select the Escrow check box. The file is saved in the location C:\Windows for Microsoft Windows operating system and /var/log for Linux and ESXi operating system which co
2. Go to Storage Dashboard > Available Tasks drop-down menu > Manage Encryption Key.... 3. Click Execute. Manage Encryption Key Task In Storage Management — Method 2 Alternatively to go to Manage Encryption Key task in Storage Management 1. Expand the Storage tree object to display the controller objects. 2. Select an encryption-capable controller object. 3. Click Information/Configuration. 4. Select Manage Encryption Key.... from the Controller Tasks drop-down menu. 5. Click Execute.
NOTE: When you change the controller mode from RAID to HBA or from HBA to RAID, certain features or functionality may vary. NOTE: The is Enhanced HBA feature is supported only on two controllers H740P and H745PMX. 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Select the Controller object. 3. Click Information/Configuration on the controller Properties page. 4. In the Controller Tasks drop-down menu, select Change Controller Mode...
3. Click Information/Configuration on the controller Properties page. 4. In the Controller Tasks drop-down menu, select Auto Configure RAID0, and then click Execute. The Auto Configure RAID0 window is displayed. Read the messages displayed on this window before you proceed. 5. Click Confirm to configure the physical disks. The auto configure operation may take time to complete, depending on the configuration and available physical disks in Ready state.
Glob al Task s Nam e PER C H730 Adap ter/ Mini Mon olithi c PERC H330 Adapter /Mini Monolit hic HBA PERC 330 H840 Adapter Adapter /Mini PERC 12 GBPS SAS HBA PERC H730P MX PERC H745P MX HBA 330 MX HBA 330 MMZ HBA 345 PERC H745 P Front / Adapte r PERC PERC H345 S150 Front / Adapte r Sett No ing RR WE Thre shol d No No No No No No No No No No No No Sett No ing Avail able Spar e Thre shol d No No No No No No No No No No No No e Prot ecti on Poli cy Controller Tasks Support
NOTE: If the Start Patrol Read task is supported by the controller, it will be supported in the ‘system configuration lock down’ mode too. Controller Reports Supported When System Configuration Lock Down Mode Is On Table 15.
Physical Disk Tasks Supported When System Configuration Lock Down Mode Is On Table 16.
Viewing Available Reports To view a report: 1. Expand the Storage tree object to display the controller objects. 2. Select a controller object. 3. Click Information/Configuration. 4. Select a report from the Select Report drop-down menu. 5. Click Execute. Available Reports • • • • Viewing Patrol Read Report Viewing Check Consistency Report Viewing Slot Occupancy Report Viewing Physical Disk Firmware Version Report Viewing Patrol Read Report Does my controller support this feature? See Supported Features.
If the communication channel between the connector and the first enclosure is lost, the redundant path configuration is lost. In this case, the health of the logical connector is displayed as critical. Navigate to the Information/Configuration page of the logical connector to view details of the Path Health. For a brief outline of this scenario, see the following table: Table 18.
The View Slot Occupancy Report allows you to view empty and occupied slot details of all enclosures and back planes. It provides a diagram that represents the occupancy of physical drive slots. Move the mouse over each slot to view details, such as physical disk ID, state, and size. Dynamic mapping of empty MX5016s will not be reflected on the drive. NOTE: You cannot view the Enclosure name in the slot occupancy report immediately after MX5016s insertion.
Property Definition Firmware Version Displays the current running version of the firmware on the specific drive in the system. Latest Available Firmware Version Displays the firmware version that is compared against the firmware version in the comparison file. Nautilus EFI Nautilus is the tool that is used for offline firmware updates. Nautilus EFI is the version of the tool that works on 11th generation of supported servers.
8 Support For PERC 9 and PERC 10 Hardware Controllers The PowerEdge RAID Controller (PERC) family of enterprise-class controllers is designed for enhanced performance, increased reliability and fault tolerance, and simplified management — providing a powerful, easy-to-manage way to create a robust infrastructure and help maximize server uptime. The introduction of the PERC 9 and PERC 10 family of hardware controllers also brings about improvements in storage solutions.
• • • • • • • • The span layout for RAID Level 10 virtual disk created from the Express Wizard on PERC 9 and later of hardware controllers uses the span layout as recommended by the firmware of the PERC 9 and later of hardware controller. NOTE: Storage Management uses the PERC 9 and later of hardware controller-firmware suggested span layout for RAID Level 10 virtual disk creation. The PERC 9 and later of hardware controller firmware suggested span layout is same for the same set of physical disks.
• You can assign 4KB sector hard-disk drives as Global Hot Spare, if there are 4KB sector hard-disk drives and 512B sector hard-disk drives in the virtual disks created and vice versa. NOTE: If you perform this action a warning message is displayed. Related Tasks • Create Virtual Disk Advanced Wizard Reconfiguration Considerations — 4KB Sector Hard-Disk Drives You cannot reconfigure 4KB sector hard-disk drives with virtual disks that consist of 512B sector hard-disk drives and vice versa.
9 Support for BOSS-S1 RAID Controllers All Operating Systems compatible from OM 9.0.1 and later are supported by BOSS-S1 RAID Controllers. The BOSS-S1 RAID Controllers supports the following enumeration and monitoring operations: • • • The physical disks are (M.2 devices) are directly connected to the Controller Enumeration of Physical Disks (M.2 devices) are supported Enumeration of Virtual Disks on M.2 devices are supported NOTE: Storage Management updates the M.2 device firmware everyday at 12.00 am.
10 Enclosures And Backplanes Physical disks can be contained in an enclosure or attached to the backplane of a system. An enclosure is attached to the system externally while the backplane and its physical disks are internal. Topics: • • • • • Backplanes Enclosures Enclosure Management Identifying An Open Connector On The Enclosure Enclosure Components Backplanes You can view the Backplane object by expanding the controller in the Storage Management tree view.
NOTE: Storage Management does not allow hot removal of enclosures. Reboot the system to effect this change in Storage Management. NOTE: Minimum of six seconds gap is required for any hot-plugable device in or out operations . Storage Management notifies you of enclosure status changes through alerts that are displayed in the Alert Log.
Property Definition — Normal/OK — Warning/Non-critical — Critical/Failure/Error For more information, see Storage Component Severity. Name Displays the name of the fan. State Displays the status of the fan. Possible values are: • • • • • Part Number Ready — The fan is functioning normally. Degraded — The fan has encountered a failure and is operating in a degraded state. Offline — The fan or power supply has been removed from the enclosure.
Property Definition • • Part Number Failed — The power supply has encountered a failure and is no longer functioning. Storage Management is unable to communicate with the enclosure using SES commands. The Failed state is displayed when the enclosure does not respond to a status query from Storage Management for any reason. For example, This state is displayed when you disconnect the cable. Missing — The power supply is not present in the enclosure. Displays the part number of the power supply.
Property Definition Name Displays the name of the temperature probe. State Displays the status of the temperature probe. • • • • • • • Ready — The temperature probe is functioning normally. Degraded — The temperature probe has encountered a failure and is operating in a degraded state. Failed — The temperature probe has encountered a failure and is no longer functioning. Storage Management is unable to communicate with the enclosure using SES commands.
3. Select the EMMs object. The firmware version for each EMM is displayed in the Firmware Version column in the right pane. For information related to the enclosure’s EMMs, see Enclosure Management Modules (EMMs). EMM Properties Table 24. EMM Properties Property Definition Status These icons represent the severity or health of the storage component. — Normal/OK — Warning/Non-critical — Critical/Failure/Error — Unknown For more information, see Storage Component Severity.
Enclosure And Backplane Information For information on enclosures and backplanes, see: • • • Enclosures And Backplanes Enclosure And Backplane Properties Enclosure And Backplane Tasks Enclosure And Backplane Components For information on attached components, see Physical Disks Or Physical Devices. Enclosure And Backplane Properties And Tasks You can view information about the enclosure or backplane and execute enclosure tasks.
Property Definition Target ID Displays the SCSI ID of the backplane (internal to the server) or the enclosure to which the controller connector is attached. The default value is six. Configuration Displays the mode in which the enclosure is operating. Possible values are: • • • • Joined — Indicates that the enclosure is operating in the joined-bus mode. Split — Indicates that the enclosure is operating in the split-bus mode. Unified — Indicates that enclosure is operating in the unified mode.
Enclosure — Available Tasks The drop-down menu enclosure tasks are: • • • • Enabling The Enclosure Alarm Disabling The Enclosure Alarm Setting Asset Data Blinking The LED On The Enclosure Enabling The Enclosure Alarm Does my enclosure support this feature? See Supported Features. Select the Enable Alarm task to enable the enclosure alarm. When enabled, the alarm turns on when any of the following events occur: • • • Enclosure temperature has exceeded the warning threshold.
Select the Blink task to blink the LED on the enclosure. You may want to use this task to locate an enclosure. The LEDs on the enclosure may display different colors and blinking patterns. For more information on what the blink colors and patterns indicate, refer to the enclosure hardware documentation. Available Reports View Slot Occupancy Report View Slot Occupancy Report NOTE: This option is not supported when the drive is not mapped on PERC hardware controllers running in HBA mode.
If you have not attached the enclosure to an open connector, you may need to identify a connector on the controller that can be used for this purpose. To identify an open connector: 1. In the Server Administrator window, under the System tree, expand Storage. 2. Expand the controller object. The available connectors are displayed. These connectors are numbered starting from zero. 3. Identify a connector that is not attached to storage.
11 Connectors A controller contains one or more connectors (channels or ports) to which you can attach disks. You can externally access a connector by attaching an enclosure (for external disks) to the system or internally access by attaching to the backplane (for internal disks) of a system. You can view the connectors on the controller by expanding the controller object in the tree view.
Creating A Channel-Redundant Virtual Disk Using RAID 10 To create a channel-redundant virtual disk using RAID 10: 1. Select one physical disk on each of the two channels. 2. Select an additional disk on each of the two channels. You have now selected the minimum number of disks for a RAID 10. Repeat step 2 until you have selected the desired number of disks. 3. Click Continue to exit. Creating A Channel-Redundant Virtual Disk Using RAID 50 To create a channel-redundant virtual disk using RAID 50: 1.
Property Definition • Degraded — The connector has encountered a failure and is operating in a degraded state. Failed — The connector has encountered a failure and is no longer functioning. • Connector Type Displays whether the connector is operating in RAID or SCSI mode. Depending on the controller type, the connector can be either a SCSI connector or a SAS port. Termination Indicates the termination type of the connector. Possible values are: • • • • SCSI Rate Narrow — Indicates an 8–bit data bus.
If the enclosure health is displayed as degraded and further investigation shows all enclosure components (EMMs, Fans, Physical Disks, Power Supplies, and Temperature) to be in normal condition, select the Information/Configuration subtab of the enclosure to view details of the Path Failure. Clearing The Connectors Redundant Path View If you do not want the redundant path view, physically disconnect the connector port from the enclosure and reboot the system.
12 Tape Drive Tape drives contain several tape backup units (TBUs) on which data can be backed up. Storage Management enumerates the TBUs that are used for data back up. You can view the tape drives associated with a particular controller on the Tape Drives on Controller page. Topics: • Tape Drive Properties Tape Drive Properties Table 28. Tape Drive Properties Property Definition ID Displays the ID of the tape drive. Name Displays the name of the tape drive.
13 RAID Controller Batteries Some RAID controllers have batteries. If the controller has a battery, Storage Management displays the battery under the controller object in the tree view. If there is a power outage, the controller battery preserves data that is in the volatile cache memory (SRAM) but not yet written to disk. The battery is designed to provide a minimum backup of 24 hours. When a RAID controller is first installed in a server, the battery may need charging.
Property Definition Maximum Learn Delay Displays the maximum number of days and hours that you can delay the battery learn cycle. The controller firmware automatically initiates the battery learn cycle. You cannot stop or pause the learn cycle, but you can delay it. Battery Tasks To access the battery tasks: 1. In the Server Administrator window, under the system tree, expand the Storage dashboard to display the controller objects. 2. Expand a controller object. 3. Select Battery. 4.
14 Physical Disks Or Physical Devices Physical disks or physical devices reside within an enclosure or are attached to the controller. On a RAID controller, physical disks or devices are used to create virtual disks.
NOTE: Clicking the Refresh button in the right pane refreshes only the right pane. To view the new physical disk in the left pane tree view, click the system name displayed at the top of the left pane, or click View > Refresh on the browser. The new physical disk or physical device is displayed in the tree view after refreshing the display. If the new disk is not displayed, restart the computer. Related Information • • • If you are replacing a disk that is part of a virtual disk, see Replacing The Disk.
NOTE: Physical devices are applicable only to PCIe SSD. Table 30. Physical Disk Properties Property Definition Status These icons represent the severity or health of the storage component. — Normal/OK — Warning/Non-critical — Critical/Failure/Error For more information, see Storage Component Severity. Power Status Displays the power status of the physical drives. The power status is present only for H700 and H800 controllers and is not present in the Physical Disk for Virtual Disk page.
Property Definition • • • • • • • • Removed — The physical disk or device has been removed. This state applies only to physical disks that are part of a virtual disk. Clear — The Clear task is being performed on the physical disk or device. A physical disk or device may also display the Clear state if the physical disk or device is a member of a virtual disk that is being slow initialized. For more information, see Performing A Clear Physical Disk And Cancel Clear and Slow And Fast Initialize.
Property Definition identifying the cause of the SMART alert. The following alerts may be generated in response to a SMART alert: • • • • • • • 2094 2106 2107 2108 2109 2110 2111 For information on alert messages, see the Server Administrator Messages Reference Guide. Progress Displays the progress of an operation that is being an operation is that is being performed on the physical disk or device. Encryption Capable Displays whether the physical disk or device is a Self-Encryption Disk (SED).
Property Definition Firmware Revision Displays the firmware version of the physical device. Serial No. Displays the serial number of the disk. Part Number Displays the Piece Part Identification (PPID) of the physical drive. T10 Protection Information Capability Indicates whether the physical disk supports data integrity. The possible values are Yes and No. Sector Size Displays the sector size of the physical disk. The possible options are 512B and 4KB.
• • • • • • Cancelling A Rebuild Performing A Clear Physical Disk And Cancel Clear Enabling Revertible Hot Spare Performing Cryptographic Erase Convert To RAID Capable Disk Convert To Non-RAID Disk Blinking And Unblinking A Physical Disk Does my controller support this feature? See Supported Features. The Blink task allows you to find a disk within an enclosure by blinking one of the light-emitting diodes (LEDs) on the disk. You can use this task to locate a failed disk.
Canceling A Rebuild Does my controller support this feature? See Supported Features. Select the Cancel Rebuild task to cancel a rebuild that is in progress. If you cancel a rebuild, the virtual disk remains in a Degraded state. The failure of an additional physical disk can cause the virtual disk to fail and may result in data loss. It is recommended that you rebuild the failed physical disk as soon as possible.
2. Expand a controller object. 3. Expand a connector object. 4. Expand the enclosure or backplane object. 5. Select the Physical Disks object. 6. Select Online or Offline from the Tasks drop-down menu of the physical disk you want to make online or offline. 7. Click Execute. Performing A Clear Physical Disk And Cancel Clear Does my controller support this feature? See Supported Features. Select the Clear Physical Disk task to erase data residing on a physical disk.
To Locate Controller Task In Storage Management 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Select a controller object on which you want to enable the revertible hot spare task. 3. Click Information/Configuration on the controller Properties page. 4. From the Controller Task drop-down list box, select Change Controller Properties and click Execute.
15 Virtual Disks A virtual disk refers to a storage created by a RAID controller from one or more physical disks. Although a virtual disk may be created from several physical disks, it is viewed by the operating system as a single disk. Depending on the RAID level used, the virtual disk may retain redundant data if there is a disk failure or have particular performance attributes. NOTE: Virtual disks can only be created on a RAID controller.
• • Number Of Virtual Disks Per Controller Calculation For Maximum Virtual Disk Size You may also want to review the following sections: • • • • RAID Controller Read, Write, Cache, And Disk Cache Policy Understanding Hot spares Controller - Supported Stripe Sizes Time Delay In Displaying Configuration Changes NOTE: In addition to this document, review the hardware documentation that is provided with the controllers.
Storage Management Server implements the disk group concept during virtual disk creation. Functionally, after a group of physical disks is used to create their first virtual disk, unused space in the disk is used only to expand the virtual disk, or create new virtual disks in the unused space. The virtual disks have identical RAID level. Also, existing mixed configuration is not affected. However, you cannot create mixed configurations.
controller calculates the maximum virtual disk size based on three physical disks, because only three physical disks are required to create a RAID 5. Channel-Redundant Virtual Disks When creating a virtual disk, it is possible to use disks attached to different channels to implement channel redundancy. This configuration might be used for disks that reside in enclosures subject to thermal shutdown.
Controller Starting RAID Level Target RAID Level Comments Adapter, PERC H730P Mini RAID 0 Monolithic, PERC H730P Mini Blades, PERC H730P Slim, PERC H740P Adapter, PERC H740P Mini Monolithic, PERC H830 Adapter, PERC H730P MX, PERC H745P MX and PERC FD33xD/FD33xS, PERC H330 Mini, PERC H730, PERC RAID 1 H740P, and PERC H740P Mini, PERC H745P, PERC H345, HBA 345, Adapter PERC H745, RAID 1 Adapter PERC H345 RAID 6 RAID 6 requires a minimum of 4 disks.
Rebuilding Redundant Information Does my controller support this feature? See Supported Features. If you have a redundant virtual disk, you can reconstruct the contents of a failed physical disk onto a new disk or a hot spare. A rebuild can take place during normal operation, but it degrades performance. A global hot spare drive can be part of different RAID level Virtual drives rebuilding operation on SWRAID controllers.
RAID Level Virtual Disk State Scenario Result disks. This results in a virtual disk bad block. RAID 6 Ready One bad block on a physical disk. The controller regenerates data from peer disks and sends a Write to the bad block. The disk then remaps the Logical Block Addressing (LBA) to another physical location. The problem is resolved. Recommendations For Clearing Bad Blocks Storage Management allows you to clear the bad block warnings. To clear bad blocks, the following procedure is recommended: 1.
Property Definition For all the disk which are not part of the virtual disk will display as NON-Raid Disks for systems running on Enhanced HBA mode. Hot-plugged in disks will also come up as NONRAID disks. State Displays the status of the virtual disk. Possible values are: • • • • • • • • • • • • Ready — The virtual disk is functioning normally. Degraded — A physical disk in a redundant virtual disk is not online. Resynching — A consistency check is being performed on the virtual disk.
Property Definition Media Displays the media type of the physical disks present in the virtual disk. The possible values are: • • • HDD SSD Unknown — Storage Management is unable to determine the media type of the physical disk. NOTE: You cannot have a mix of HDD and SSD media on a virtual disk. Also, you cannot have a mix of SAS and SATA drives on the virtual disk. Read Policy Displays the read policy that the controller is using for the selected virtual disk.
• • Clearing Virtual Disk Bad Blocks Encrypting A Virtual Disk Reconfiguring A Virtual Disk Does my controller support this feature? See Supported Features. The Reconfigure task enables you to change the virtual disks properties. For example, you can use this task to add physical disks or change the RAID level. Format, Initialize, Slow, And Fast Initialize Does my controller support this feature? See Supported Features.
Pausing A Check Consistency Does my controller support this feature? See Supported Features. The Pause Check Consistency task pauses a check consistency while it is in progress. NOTE: The Pause Check Consistency task updates the virtual disk State property to Resynching Paused immediately. The Progress property may continue to increment for up to three seconds. This time delay occurs because the polling task may take up to three seconds to query the task information and update the display.
Clearing Virtual Disk Bad Blocks Does my controller support this feature? See Supported Features. The Clear Virtual Disk Bad Blocks task enables you to clear bad blocks on your virtual disk. The CLI command omconfig clearvdbadblocks is used to clear the bad blocks on the affected drives. This only clears the cached errors from the controllers by clearing out the table of bad blocks that the PERC firmware is maintaining for virtual disks.
• • • Select RAID 10 for striping over mirror sets. This selection groups n disks together as one large virtual disk with a total capacity of (n/2) disks. Data is striped across the replicated mirrored pair disks. When a disk fails, the virtual disk continues to function. The data is read from the surviving mirrored pair disk. This feature provides the best failure protection, read and write performance. The system must have at least four physical disks to use RAID 10.
To create a virtual disk using the Create Virtual Disk Advanced Wizard: 1. On the left-hand side of the Server Administrator page, expand Storage. 2. Click on the . 3. Click on Virtual Disks. The Virtual Disk(s) on Controller page is displayed. 4. Click Go to the Create Virtual Disk Wizard. The Create Virtual Disk Wizard (Step 1) page is displayed. 5. Select the Advanced Wizard option. 6.
NOTE: It is recommended that you use Intelligent Mirroring to create RAID 10 across enclosures for simple and optimum configuration. NOTE: After a hard disk being used to create RAID 10 VD with Intelligent Mirroring enabled, the same disk cannot be used to create another RAID 10 VD with Intelligent Mirroring enabled.
NOTE: The All Disks and Enclosure options enable you to edit spans after selecting the physical disks that comprise them. You can remove a span and specify a span again with different physical disks before proceeding. • Number of Disks per Span — Enables you to select the number of disks in each span (default = 2). This option is available only on SAS controllers with firmware version 6.1 and later.
NOTE: If you have selected the Create Encrypted Virtual Disk option in Create Virtual Disk Advanced Wizard, then in the Summary of Virtual Disk Attributes, an Encrypted Virtual Disk attribute is displayed with a value Yes. Click Span Edit to edit the spans created in Create Virtual Disk Advanced Wizard. The Span Edit option is available only if the controller is a SAS controller with firmware 6.1 and later and if you selected RAID 10.
2. Expand a controller object. 3. Select the Virtual Disks object. 4. Select Reconfigure from the Available Tasks drop-down box. 5. Click Execute. Virtual Disk Task - Reconfigure Step 2 of 3 Does my controller support this feature? See Supported Features. The virtual disk reconfigure Step 2 page enables you to select the RAID level and size for the reconfigured virtual disk. The Expand Capacity option appears only for PERC H730P MX and PERC H745P MX controllers with firmware version 7.1 or later.
To Reconfigure A Virtual Disk Expand Virtual Disk Capacity - Step 2 of 3 NOTE: For RAID 10 partial virtual disks, there are only two methods to increase the disk size or capacity: • Expanding the capacity by increasing the percentage value. • Adding disks into the original RAID 10 virtual disk. 1. Enter the percentage of the free disk size available by which you want to expand the virtual disk capacity. The page displays the maximum free size available and the description of the selected RAID level. 2.
1. Review the virtual disk that is destroyed by the Format or Initialize and make sure that vital data is not lost. Click Blink at the bottom of the page to blink the physical disks included in the virtual disk. 2. Depending on the task you are initiating, click the following option when ready: • • • • Format Initialize Slow Initialize Fast Initialize To exit without formatting or initializing the virtual disk, click Go Back To Virtual Disk Page. To Locate Virtual Disks Task In Storage Management 1.
Renaming A Virtual Disk Does my controller support this feature? See Supported Features. Renaming a virtual disk enables you to change the name of the virtual disk. The numbering format for the virtual disk remains unchanged. Depending on the controller you have, there are different considerations regarding the controller BIOS: The virtual disk name can contain only alphanumeric characters as well as spaces, dashes and underscores. The maximum length of the name depends on the controller.
Use the Split Mirror task to separate mirrored data originally configured as a RAID 1, RAID 1-concatenated, or RAID 10 virtual disk. Splitting a RAID 1 or RAID 1-concatenated mirror creates two concatenated non-redundant virtual disks. Splitting a RAID 10 mirror creates two RAID 0 (striped) non-redundant virtual disks. Data is not lost during this operation. NOTE: On Linux operating systems, a Split Mirror cannot be performed on a mounted virtual disk.
Assigning A Dedicated Hot Spare 1. Select the disk in the Connector (channel or port) table that you want to use as the dedicated hot spare. On some controllers, more than one disk can be selected. The disks you have selected as dedicated hot spares are displayed in the Disks currently configured as dedicated hot spare table. 2. Click Apply Changes when ready.
NOTE: You can select only one source or destination physical disk at a time. 3. Click Apply Changes. To exit without replacing the member disk, click Go Back To Virtual Disk Page. You can view the progress of the Replace Member Disk task on the Physical Disk Details page.
16 Moving Physical And Virtual Disks From One System To Another This section describes how to move physical and virtual disks from one system to another. Topics: • • Required Conditions Migrating SAS Virtual Disks To Another System Required Conditions SAS Controllers Virtual disks can only be migrated to a controller that is using the same technology. For example, virtual disks on a SAS controller must be migrated to a SAS controller.
17 Protecting Your Virtual Disk With A Hot Spare When you create a virtual disk using a RAID controller, it enables the system to continue functioning even during a disk failure. This feature can be enabled by assigning a hot spare to the virtual disk. When a disk fails, the redundant data is rebuilt onto the hot spare without interrupting system operations.
Global Hot Spare Protection Policy Table 35. Global Hot Spare Protection Policy Properties Property Definition Enable Global Hot Spare Enables the Global Hot Spare Protection Policy. Minimum Number of Disks Displays the minimum number of physical disks to be assigned as global hot spares for the controller. Severity Level Displays the severity level that you must assign to the generated alert, if the Global Hot Spare policy is violated.
18 Troubleshooting This section contains troubleshooting procedures for common situations as well as for specific problems. Topics: • • • • Common Troubleshooting Procedures Virtual Disk Troubleshooting Specific Problem Situations And Solutions PCIe SSD Troubleshooting Common Troubleshooting Procedures This section describes commands and procedures that can be used in troubleshooting.
Isolate Hardware Problems If you receive a timeout alert related to a hardware device or if you otherwise suspect that a device attached to the system is experiencing a failure, then to confirm the problem: • • Verify that the cables are correctly connected. If the cables are correctly connected and you are still experiencing the problem, then disconnect the device cables and reboot the system. If the system reboots successfully, then one of the devices may be defective.
Using The Physical Disk Online Command On Select Controllers Does my controller support this feature? See Supported Features. If you do not have a suitable backup available, and if the failed disk is part of a virtual disk on a controller that supports the Online physical disk task, then you can attempt to retrieve data by selecting Online from the drop-down task menu of the failed disk. The online command attempts to force the failed disk back into an online state.
• • • • • You are attempting to rebuild onto a hot spare that is too small — Different controllers have different size requirements for hot spares. The hot spare has been unassigned from the virtual disk — This occurs on some controllers if the hot spare is assigned to more than one virtual disk and is being used to rebuild a failed physical disk for another virtual disk. The virtual disk includes failed or corrupt physical disks — This situation may generate alert 2083.
4. Restore your data from backup. Irrespective of whether your Linux operating system limits the virtual disk size to 1TB, the virtual disk size depends on the version of the operating system and any updates or modifications that you have implemented. For more information on operating system, see your operating system documentation.
• • Virtual disk format I/O If you receive alerts 2146 through 2150 as the result of performing a rebuild or while the virtual disk is in a degraded state, then data cannot be recovered from the damaged disk without restoring from the backup. If you receive alerts 2146 through 2150 under circumstances other than a rebuild, then data recovery may be possible. The following describes each of these situations.
Storage Management May Delay Before Updating Temperature Probe Status In order to display the enclosure temperature and temperature probe status, Storage Management polls the enclosure firmware at regular intervals to obtain temperature and status information. On some enclosures, there is a short delay before the enclosure firmware reports the current temperature and temperature probe status. This may cause a delay in displaying the correct temperature and temperature probe status.
PCIe SSD Troubleshooting The following sections describe troubleshooting procedures for PCIe SSD.
19 Frequently Asked Questions This section provides frequently asked questions that address situations commonly experienced in a storage environment.
How Do I Identify The Firmware Version That Is Installed The properties information of the controller displays the firmware version that is installed on the controller. From the Storage tree view object, you can display the firmware version for all controllers attached to the system. You can also view this information in the Information/Configuration page of the controller. To display the firmware version of all controllers: 1. Select the Storage object in the tree view. 2.
20 Supported Features Different controllers support different features. The tasks displayed by the Storage Management menus and other features vary depending on whether the controller supports the feature. This chapter lists the features supported by the controllers. For more information on Controllers, see your hardware documentation. NOTE: The order of the controllers displayed on Storage Management may differ with the order of the controllers displayed in the Human Interface (HII) and PERC Option ROM.
Slot Occupancy Report — PERC H730 and H730P support flexible backplane zoning functionality. The flexible backplane zoning functionality is available only on backplanes that support 24 slots—PowerEdge R630 and R730xd. For more information on flexible backplane zoning, see Backplanes. Table 36.
Controller PERC PERC Task H730 H730 Name P Adapte Adapt r/Mini er/ Monolit Mini hic/ Mono Mini lithic Blades /Mini Blade s/ Slim PERC H740P Adapter/ Mini Monolithi c PERC PERC PERC H330 H830 H840 Adapter Adapter Adapter /Mini Monolit hic/ Mini Blades/ Embed ded PERC FD33xD / FD33xS PERC H730P MX PERC H745P MX PERC H745 P Front/ Adapter PERC H345 Frnt / Adapter Set Patrol Read Mode Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Start Patrol Read Yes Yes Yes Yes Yes Yes Yes Yes Yes
Controller PERC PERC Task H730 H730 Name P Adapte Adapt r/Mini er/ Monolit Mini hic/ Mono Mini lithic Blades /Mini Blade s/ Slim PERC H740P Adapter/ Mini Monolithi c PERC PERC PERC H330 H830 H840 Adapter Adapter Adapter /Mini Monolit hic/ Mini Blades/ Embed ded PERC FD33xD / FD33xS PERC H730P MX PERC H745P MX PERC H745 P Front/ Adapter PERC H345 Frnt / Adapter Manage CacheCad e No No No No No No No No No No No Persisten t Hot Spare Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
NOTE: The Battery Tasks are not supported on PERC Hardware Controllers Table 37.
Physical Disk Task Name PERC H730P Adapter /Mini Monolit hic/ Mini Blades/ Slim PERC H730 Adapter /Mini Monolit hic/Mini Blades PERC H740P Adapter /Mini Monolit hic PERC H330 Adapter/ Mini Monolith ic/Mini Blades/ Embedd ed PERC H830 Adapte r PERC H840 Adapte r PERC FD33xD / FD33xS PERC H730P MX PERC H745P MX PERC H745P Front/ Adapter PERC H345 Front/ Adapter Prepare to Remove No No No No No No No No No No No Offline Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Online Yes
Table 40.
Virtual Disk Task Name PERC H730P Adapte r/ Mini Monoli thic/ Mini Blades /Slim PERC H730 Adapte r/ Mini Monoli thic/ Mini Blades PERC H740P Adapter / Mini Monolit hic PERC PERC H330 H830 Adapter Adapter / Mini Monolit hic/ Mini Blades/ Embedd ed PERC H840 Adapte r PERC FD33xD/ FD33xS PERC H730P MX PERC H745P MX PERC H745P Front / Adapter PERC H345 Front/ Adapter Cancel Backgrou nd Initializati on (BGI) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Format Virtual Disk No No No No N
Table 41.
Virtual Disk Specificatio n PERC H730P Adapter /Mini Monolit hic/Mini Blades/ Slim PERC H730 Adapter /Mini Monolit hic/ Mini Blades PERC H740P Adapter /Mini Monolit hic PERC H330 Adapter/ Mini Monolithi c/Mini Blades/ Embedde d PERC H830 Adapte r PERC H840 Adapte r PERC FD33xD / FD33xS PERC H730 P MX PERC PERC H745P H745P MX Front/ Adapter PERC H345 Front/ Adapter Maximum Number of Physical Disks in a RAID 5 32 32 32 16 32 32 32 32 32 32 NA Maximum Number of Physical Disks in a RAID 1
Virtual Disk Specificatio n PERC H730P Adapter /Mini Monolit hic/Mini Blades/ Slim PERC H730 Adapter /Mini Monolit hic/ Mini Blades PERC H740P Adapter /Mini Monolit hic PERC H330 Adapter/ Mini Monolithi c/Mini Blades/ Embedde d PERC H830 Adapte r PERC H840 Adapte r PERC FD33xD / FD33xS PERC H730 P MX PERC PERC H745P H745P MX Front/ Adapter PERC H345 Front/ Adapter Maximum Number of Physical Disks in a RAID 60 256 256 256 NA 256 256 256 256 256 256 NA Minimum Number of Physical Disks i
Read, Write, Cache And Disk Cache Policy Supported By PERC Hardware Controllers Table 43.
• • • • • Virtual Disk Tasks Virtual Disk Specifications Supported RAID Levels Read, Write, Cache And Disk Cache Policy Enclosure Support Controller Tasks Supported On The PERC Software RAID Controllers Table 44. Controller Tasks Supported On The PERC S150 Controllers Controller Task Name PERC S150 Create Virtual Disk Yes Physical Disk Tasks Supported By The PERC Software RAID Controllers Table 45.
Virtual Disk Task Name PERC S150 Reconfigure Yes Change Policy Yes Delete Last Virtual Disk Yes Delete (any) Virtual Disk Yes Check Consistency Yes Disk Cache Policy Yes Virtual Disk Specifications For PERC Software RAID Controllers Table 47.
Table 48. RAID Levels Supported by PERC S150 Controllers RAID Level PERC S150 RAID 0 Yes RAID 1 Yes RAID 5 Yes RAID 10 Yes RAID 50 No RAID 6 No RAID 60 No Read Write Cache And Disk Cache Policy Supported By The PERC Software RAID Controllers Table 49.
21 Determining The Health Status For Storage Components The chapter describes how the status of lower-level storage components is “rolled up" into the combined status displayed for the controller or other higher-level component. The examples provided by these tables do not cover all scenarios, but they do indicate how status is rolled up when a particular component is in a healthy, degraded, or failed state.
Storage Subsystem Controller Battery Connector Physical Disk(s) Firmware/ Driver Virtual Disks Health Rollup Health Status Rollup - Physical Disks In A Virtual Disk Are Unsupported, Partially, Or Permanently Degraded Table 53.
Health Status Rollup - Virtual Disk Is Degraded, Physical Disks Are Failed Or Rebuilding Table 56. Health Status Rollup: Virtual Disk is Degraded; Physical Disks are Failed or Rebuilding (Enclosures Not Included) Storage Subsystem Controller Battery Connector Physical Disk(s) Firmware/ Driver Virtual Disk(s) Component Status Health Rollup Health Status Rollup - Virtual Disk Is Failed Table 57.
Health Status Rollup - One Enclosure EMM Is Failed Table 60. Health Status Rollup: One Enclosure EMM is Failed Storage Subsystem Controller Connector Enclosure Enclosure EMM Virtual Disks Physical Disks Component Status Health Rollup N/A Health Status Rollup - Lost Both Power Connections To The Enclosure Table 61.
Health Status Rollup - Physical Disk Is Rebuilding Table 63.
