PS6500 Storage Arrays Hardware Maintenance 110-0118-EN-R2
Copyright 2010 Dell, Inc. All rights reserved. Dell is a trademark of Dell, Inc. EqualLogic is a registered trademark. All trademarks and registered trademarks mentioned herein are the property of their respective owners. Information in this document is subject to change without notice. Reproduction in any manner whatsoever without the written permission of Dell is strictly forbidden. August 2010 Part Number: 110-0118-EN Rev.
Table of Contents Preface ...................................................................................................................................................... iii Audience ................................................................................................................................................................... iii Organization .............................................................................................................................................
PS6500 Hardware Maintenance 4 Maintaining Power Supply and Cooling Modules .......................................................................................... 4-1 Power Supply and Cooling Module LEDs.............................................................................................................. 4-1 Power Supply and Cooling Module Status .............................................................................................................
Preface This manual describes how to maintain the PS6500 storage array hardware, including disks, channel cards, EIP card, control modules, and power supply and cooling modules. It also provides basic information about operating an array. Audience This manual is designed for administrators responsible for installing or maintaining PS6500 array hardware. Administrators are not required to have extensive network or storage system experience.
PS6500 Hardware Maintenance Preface PS Series arrays optimize resources by automating performance and network load balancing. Additionally, PS Series arrays offer all-inclusive array management software, host software, and free firmware updates. The features and products described next are available at no additional cost.
PS6500 Hardware Maintenance Preface Related Documentation For detailed information about PS Series arrays, groups, volumes, array software, and host software, see the following documentation: Technical Support and Customer Service Dell's support service is available to answer your questions about PS Series arrays. If you have an Express Service Code, have it ready when you call. The code helps Dell's automated-support telephone system direct your call more efficiently.
PS6500 Hardware Maintenance Preface Note: If you do not have an Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Use the following procedure to contact Dell for sales, technical support, or customer service issues: 1. Visit support.dell.com or the Dell support URL specified in information provided with the Dell product. 2. Select your locale. Use the locale menu or click on the link that specifies your country or region. 3.
1 Basic Array Information This chapter includes information about the location and basic operation of the replaceable components in a PS6500 storage array, technical specifications, power on and off operations, and how to return failed components. Field Replaceable Components The PS6500 array includes the field-replaceable components shown in Figure 1-1. Figure 1-1: Field-Replaceable Components Figure 1-1 Description Control modules. A PS6500 array includes two control modules.
PS6500 Hardware Maintenance Basic Array Information If a field-replaceable component fails, contact your PS Series support provider for information about obtaining a replacement component. Notes: Do not remove a component until you are ready to replace it. Do not operate the array for a long time with a component removed. To maintain adequate cooling, keep the PS6500 chassis cover closed when possible.
PS6500 Hardware Maintenance Basic Array Information Figure 1-3 Description Hardware status LEDs. These LEDs indicate when hardware problems occur. These LEDs can also be seen when the bezel is installed. See Hardware Status LEDs on page 1-3. Disk drive LEDs. These LEDs indicate when a drive is present and disk drive activity. See Disk Drive LEDs on page 2-1. Cam screws. The two cam screws secure the array front panel to the chassis cover. Chassis handles.
PS6500 Hardware Maintenance Basic Array Information Figure 1-4 Description (Continued) Indicator EIP card Status Description Off Normal operation. Flashing yellow EIP card removed. Yellow EIP card failure. LCD Panel Display The LCD panel, located on the array front panel behind the bezel, provides information about array hardware status. If the array is in standby mode, the word “standby” appears in the LCD panel.
PS6500 Hardware Maintenance Basic Array Information Figure 1-8: LCD Panel – Disk Drive and Power Supply Failures Table 1-1 describes the icons used in the LCD panel and the accompanying text. Note: For detailed information about a hardware failure, use the Group Manager GUI to view the group event log. Table 1-1: LCD Panel Hardware Icons Icon Failure Text Description Drive Fault n Disk drive failure, where n specifies the drive number (0 to 47). N/A Approximate location of failed disk drive.
PS6500 Hardware Maintenance Basic Array Information Enclosure Switch Settings Enclosure switches are located between the disk drives and the power supply and cooling modules. You access the switches by removing the bezel and opening the chassis cover. Each switch is numbered. Do not change the following default switch settings: • 4 - On • 9 - On • 10 - Off • 11 - On The other switches are not used. A switch is on when it is in the position closest to the rear of the chassis.
PS6500 Hardware Maintenance Basic Array Information Figure 1-10: Serial Number Label The serial number is also displayed in the Group Manager GUI. See the Group Administration manual for more information. Protecting Hardware from Electrostatic Discharge When handling the array chassis, disk drives, channel cards, EIP card, or control modules, you must use an electrostatic protection device to prevent electrostatic discharge. Always store hardware where it is protected from electrostatic discharge.
PS6500 Hardware Maintenance Basic Array Information Removing and Installing the Bezel You must remove the bezel to access the array front panel, which shows the LCD panel and disk activity LEDs and provides access to the power button. Also, you must remove the bezel to access the cam screws that lock the chassis cover. To unlock and remove the bezel: 1. Insert the bezel key and turn it clockwise to unlock the bezel. See Figure 1-12. Figure 1-12: Unlocking the Bezel 2.
PS6500 Hardware Maintenance Basic Array Information Figure 1-14: Detaching the Bezel from the Chassis To install and lock the bezel: 1. Facing the front of the rack, fit the right side of the bezel into the right side of the chassis. 2. Push the bezel toward the chassis until the left side of the bezel engages with the chassis. 3. Insert the bezel key and turn it counter-clockwise to lock the bezel to the chassis.
PS6500 Hardware Maintenance Basic Array Information Figure 1-15: Opening the Chassis 2. Hold the chassis handles on the right side and the left side of the front panel and pull the chassis toward you, exposing the disk drives. To close and lock the chassis cover: 1. Slide the chassis completely into the rack. Note: If the cover does not close completely, make sure the cam screws are turned counter-clockwise before you slide the chassis into the rack. 2.
PS6500 Hardware Maintenance Basic Array Information Figure 1-16: Cable Management System – Not Installed The cable management system attaches to the rear of the array chassis and to the rack rails. See Figure 1-17. Figure 1-17: Cable Management System – Installed See the PS6500 Rack Mount Instructions for information about installing the cable management system. To use the cable management system: 1.
PS6500 Hardware Maintenance Basic Array Information Figure 1-18: Routing Path on the Cable Management System Connect all three fasteners on the arm and place the cables below the arms. See Figure 1-19. Figure 1-19: Attaching the Hook-and-Loop Fasteners 2. Route the cables along the middle arm of the three-arm assembly, going from 3 to 4 in Figure 1-18. 3. Route the cables along the one-arm assembly (connected to the top of the left and right rails), going from 5 to 6 in Figure 1-18.
PS6500 Hardware Maintenance Basic Array Information Turning on Power to an Array There are two power modes for a PS6500 array: • Standby mode. An array enters standby mode if you turn off power, but two or more functioning power supply and cooling modules are connected to a source of power. In standby mode, the array is fully grounded, and some array components are supplied with power. For example, the power button is lit and the LCD panel displays “standby.
PS6500 Hardware Maintenance Basic Array Information The serial connection must have the following characteristics: – 9600 baud – One STOP bit – No parity – 8 data bits – No flow control 2. When prompted, log in to a group administration account with read-write access, such as the grpadmin account. 3. Enter the shutdown command. Login: grpadmin Password: xxxxxxx Welcome to Group Manager Copyright 2010 Dell, Inc. > shutdown 4.
2 Maintaining Disk Drives Each PS6500 array includes 48 hot-swappable disk drives. See the PS Series Release Notes for the latest information about disk drive support. You access disk drives from the front of the array after removing the bezel and opening the chassis cover. See Removing and Installing the Bezel on page 1-8 and Opening and Closing the Chassis Cover on page 1-9.
PS6500 Hardware Maintenance Maintaining Disk Drives Figure 2-3: Disk LED Table 2-1 explains how to interpret the LEDs that indicate disk status. Table 2-1: PS6500 Disk Drive Status LED Descriptions LED Location Color Description Disks LED on array front panel. Off Normal operation. Yellow Array is in standby mode. Flashing yellow One or more drive failures. Off No power. Green Normal operation. Flashing green Disk activity. Off Normal condition or no power. Yellow Failed disk drive.
PS6500 Hardware Maintenance Maintaining Disk Drives If a disk drive fails, contact your PS Series support provider for a replacement. Disk Drive Numbering Disk drives are numbered from 0 to 47, starting from the left side of the array, going front to back. Disk drives 0 to 3 comprise the first column of disk drives, disk drives 4 to 7 comprise the second column of disk drives, and so on. See Figure 2-4.
PS6500 Hardware Maintenance Maintaining Disk Drives Disk Drive Requirements Follow these disk drive handling requirements: • Protect disk drives from electrostatic discharge. When handling a disk drive, always wear an electrostatic wrist strap or a similar protective device. See Protecting Hardware from Electrostatic Discharge on page 1-7. • Handle disk drives carefully. Hold a disk drive only by the plastic part of the carrier. Do not handle a disk drive solely by the release lever.
PS6500 Hardware Maintenance Maintaining Disk Drives Figure 2-5: Identifying and Removing the Correct Drive 6. Open the disk drive release lever by sliding the latch toward the front of the array and pulling up the latch arm. This will disengage the disk drive from the slot. 7. Wait 30 seconds to allow the disk drive to stop spinning and the heads to land.
PS6500 Hardware Maintenance Maintaining Disk Drives 8. Holding the sides of the disk drive, pull up and remove the drive from the slot. Caution: Do not pull the drive up by the lever. See Figure 2-6.
PS6500 Hardware Maintenance Maintaining Disk Drives Return the failed drive in the packaging in which the replacement drive was shipped. Contact your PS Series support provider for information about returning hardware. Installing Disk Drives To install a disk drive in an array: 1. Use an electrostatic wrist strap or a similar protective device. See Protecting Hardware from Electrostatic Discharge on page 1-7. 2. Remove the bezel. See Removing and Installing the Bezel on page 1-8. 3.
PS6500 Hardware Maintenance Maintaining Disk Drives c. Slide the replacement disk drive gently into the slot until you feel resistance (2). d. Push the disk drive the rest of the way into place. The lever should still be open. Do not force the lever closed (3). Caution: Forcing the lever closed can break the latch and make the drive unusable. e. Pull back the latch (4).
PS6500 Hardware Maintenance f. Maintaining Disk Drives Holding the latch open, lower the lever until the drive is fully seated and flush with the other drives (5). Keep holding the latch open. g. Push the latch forward (6). h. Make sure it engages with the slot in the drive carrier (7). 9. Close and lock the chassis cover. See Opening and Closing the Chassis Cover on page 1-9. 10. Reinstall the bezel. See Removing and Installing the Bezel on page 1-8. Make sure the new disk drive is operational.
PS6500 Hardware Maintenance Maintaining Disk Drives If you install a disk drive in an array that is an active group member, the drive will be automatically configured into a RAID set when you close the chassis. If you install a disk drive during RAID reconstruction or verification, the drive will not be configured until the operation completes.
3 Maintaining Control Modules A PS6500 array includes two hot-swappable control modules. One functioning control module is required for array operation. You access control modules from the rear of the array.
PS6500 Hardware Maintenance • Maintaining Control Modules Each Ethernet port has two LEDs that show the network interface status. See Figure 3-1 and Table 3-2. Table 3-1: Control Module LED Descriptions LED Location ACT LED Color Description Off No power, secondary control module is not synchronized with active control module, or error condition. Green Active control module (serving network I/O). Orange Secondary control module. Cache is synchronized with active control module.
PS6500 Hardware Maintenance Maintaining Control Modules Identifying Control Module Failures You can identify a failure in a control module by: • LEDs. If a control module fails, the control module hardware status LED on the array is orange or flashing orange, and the LEDs on the control module indicate the failure as described in Interpreting Control Module LEDs on page 3-1. • Messages.
PS6500 Hardware Maintenance Maintaining Control Modules To display the firmware version running on an array, examine the GUI Member Controllers window or use the CLI member select show controllers command. Control Module Handling Requirements Follow these control module handling guidelines: • Protect control modules from electrostatic discharge. When handling a control module, always wear an electrostatic wrist strap or use a similar protective device.
PS6500 Hardware Maintenance Maintaining Control Modules To remove a control module: 1. Open the control module latches by squeezing together the release mechanism for each latch and then rotating each latch outwards.This will disengage the control module from the array. See Figure 3-3. Figure 3-3: Opening a Control Module Latch 2. Hold the latches and carefully slide the control module from the slot. See Figure 3-4. Figure 3-4: Removing a Control Module 3.
PS6500 Hardware Maintenance Maintaining Control Modules 4. If you are replacing a failed control module, remove the micro SD card from the failed control module as described in Replacing the MicroSD Card on page 3-7 and install it in the replacement control module. This will make sure that the new control module is running the correct firmware. Do not operate an array with an empty control module slot. Return the failed control module in the packaging in which the replacement module was shipped.
PS6500 Hardware Maintenance Maintaining Control Modules Figure 3-6: Installing a Control Module 4. Rotate each latch toward the array until the latches are closed and the control module is completely seated in the slot. 5. Connect the network cables to the control module. See Network Requirements and Recommendations on page 3-10 for examples of network configurations. Use the cable management system to organize the network cables. See Using the Cable Management System on page 1-10 for information. 6.
PS6500 Hardware Maintenance Maintaining Control Modules You can partially or completely remove a control module without shutting down the array if the remaining control module has at least one connected and functioning network interface. If you remove the active control module (the LED labeled ACT will be green), there will be a short interruption as failover to the secondary control module occurs.
PS6500 Hardware Maintenance Maintaining Control Modules Inserting the MicroSD Card 1. Align the replacement microSD card so the arrow on the card points towards the housing (Figure 3-8). 2. Firmly press the card into the housing until it clicks into place. Make sure you cannot pull it out. Figure 3-8: Inserting the MicroSD Card 3. Install the control module. See Installing a Control Module on page 3-6. After you replace the micro SD card, make sure the control module is operational.
PS6500 Hardware Maintenance Maintaining Control Modules Network Requirements and Recommendations The minimum network configuration for a PS Series array consists of a connection between Ethernet 0 on each control module and a computer or a network switch. To increase performance and availability, configure multiple network interfaces on an array and connect them to multiple switches. Dell recommends that you follow the guidelines in Table 3-4.
PS6500 Hardware Maintenance Maintaining Control Modules Connecting Network Cables A PS6500 must have at least one and can have up to four active network connections at one time. Multiple network connections are recommended for performance and availability. In addition, network cables must be routed though the cable management system. See the PS6500 Rack Mount Instructions for information on installing the cable management system.
PS6500 Hardware Maintenance Maintaining Control Modules Figure 3-10: Recommended PS6500 Network Configuration 3-12
4 Maintaining Power Supply and Cooling Modules A PS6500 array includes three hot-swappable, redundant power supply and cooling modules. All three power supply and cooling modules must remain installed. Two functioning power supply and cooling modules connected to a source of power are required for array operation. You access power supply and cooling modules from the rear of the array.
PS6500 Hardware Maintenance Maintaining Power Supply and Cooling Modules Table 4-1: Power Supply and Cooling Module LED Descriptions Power Supply and Cooling Module LED Color Description Power/fan LED on array front panel. Off Normal operation. Flashing orange Module removed. Orange Power supply failure, fan failure, or upper or lower temperature limit exceeded. Off Normal operation. Orange DC power failure. Off Normal operation. Orange Fan failure. Off Normal operation.
PS6500 Hardware Maintenance Caution: Maintaining Power Supply and Cooling Modules You should replace a faulty power supply and cooling module with a functioning module as soon as possible because another module failure will cause the array to shut down. Notes: Do not remove a failed power supply until you are ready to replace it. If the array loses power, it will not power up unless all three power supplies are present.
PS6500 Hardware Maintenance Maintaining Power Supply and Cooling Modules Note: You can detach one side of the cable management system from the rear chassis flange and carefully pull it away from the rear of the array to provide access to the power supply and cooling modules. To remove a power supply and cooling module: 1. Disconnect any power cables from the module. 2. Squeeze together the module latches to release the handle and then rotate the handle downwards.
PS6500 Hardware Maintenance Maintaining Power Supply and Cooling Modules 2. Carefully slide the module partially into the slot. 3. Squeeze together the module latches to release the handle and then rotate the handle downwards. See Figure 44. 4. Push the module completely into the slot, simultaneously rotating the handle upwards to close the handle and seat the module. See Figure 4-6.
PS6500 Hardware Maintenance Maintaining Power Supply and Cooling Modules In addition, use the cable management system to organize your power cables. See Using the Cable Management System on page 1-10 for more information. Note: If you detached one side of the cable management system from the rear chassis flange for better access, reattach it. If the array was shut down, turn on power to the array. See Turning on Power to an Array on page 1-13. Make sure the new module is operational.
5 Maintaining Channel Cards A PS6500 array includes two hot-swappable, redundant channel cards. Channel cards distribute connections from the control modules to the disk drives. Each channel card has redundant paths to all the disk drives for high availability. One functioning channel card is required for array operation. Warning: Before replacing a channel card, contact your PS Series support provider for important information.
PS6500 Hardware Maintenance Maintaining Channel Cards Channel card LEDs are described in Table 5-1. The LCD panel on the front panel (located behind the bezel) shows additional information about channel card failures. Table 5-1: Channel Card LED Descriptions LED Location Color Description Channel cards LED on array front panel. Off Normal operation. Flashing yellow Channel card removed. Yellow Channel card failure. Off Normal operation. Yellow Reset or hot swap error.
PS6500 Hardware Maintenance Maintaining Channel Cards Channel Card Handling Requirements Follow these channel card handling requirements: • Protect channel cards from electrostatic discharge. When handling a channel card, always wear an electrostatic wrist strap or a similar protective device. See Protecting Hardware from Electrostatic Discharge on page 1-7. • Handle channel cards carefully. Hold a channel card only by the plastic handle or latches. Do not force a channel card into a slot.
PS6500 Hardware Maintenance Maintaining Channel Cards Figure 5-3: Opening the Channel Card Latches 5. Hold the channel card by the plastic handle and carefully pull up, sliding the channel card from the slot. See Figure 5-4. Make sure you place the channel card where it is protected from electrostatic discharge. Figure 5-4: Removing a Channel Card Inserting a Channel Card 1.
PS6500 Hardware Maintenance Maintaining Channel Cards 2. Carefully slide the channel card partially into the slot, using the metal groove at the rear of the slot as a guide. Do not force the card into the slot. 3. Open the two channel card latches and slide the channel card completely into the slot, simultaneously rotating the latches downwards to close the latches and secure the card in the slot. See Figure 5-5.
6 Maintaining the EIP Card A PS6500 array includes one hot-swappable Enclosure Interface Processor (EIP) card. The EIP card monitors devices on the backplane and the control modules and displays data on the LCD panel. An array will continue to operate with a failed EIP card. You access the EIP card from the front of the array after removing the bezel and opening the chassis cover. See Removing and Installing the Bezel on page 1-8 and Opening and Closing the Chassis Cover on page 1-9.
PS6500 Hardware Maintenance Maintaining the EIP Card Figure 6-2: EIP Card and LEDs Figure 6-2 Description Mounting bracket. The bracket provides a way to hold an EIP card while protecting it from electrostatic discharge or other damage. LEDs. The LEDs show the EIP card status. Thumbscrew. The thumbscrew secures the EIP card to the chassis. The EIP card LEDs are described in Table 6-1. The LCD panel on the front panel (located behind the bezel) shows additional information about EIP card failures.
PS6500 Hardware Maintenance Maintaining the EIP Card EIP Card Status You can identify an EIP card failure by: • LEDs. The EIP card hardware status LED is yellow, and the Fault LED on the EIP card is yellow. See EIP Card LEDs on page 6-1. • Messages. A message on the LCD panel (located behind the bezel), on the console, in the event log, or in the Group Manager GUI Alarms panel describes an EIP card failure. • Group Manager GUI and CLI output.
PS6500 Hardware Maintenance Maintaining the EIP Card Figure 6-3: Removing the EIP Card Thumbscrew 5. Hold the EIP card mounting bracket and carefully pull up and slide the card from the chassis. See Figure 6-4. Figure 6-4: Removing the EIP Card 6. Make sure you place the EIP card where it is protected from electrostatic discharge.
PS6500 Hardware Maintenance Maintaining the EIP Card To install a new EIP card: 1. Hold the replacement EIP card by the mounting bracket and orient the card in the direction shown in Figure 63, with the thumbscrew toward the front of the array. 2. Carefully slide the replacement EIP card completely into the slot. Use the metal groove on the rear of the slot as a guide. Do not force the card into the slot. Make sure the card is completely seated. The card should not protrude from the top of the chassis. 3.
A Array Technical Specifications Table A-2 describes the environmental, power, and physical specifications for a PS6500 array.
Index A accessing field replaceable modules 1-1 array back panel 1-6 batteries 3-1 bezel description 1-2 installing 1-8 removing 1-8 cable management system 1-10 channel cards 5-1 control module restriction 3-6 control modules 3-1 cooling modules 4-1 cooling requirement 1-2 disk drives 2-1 EIP card 6-1 enclosure switches 1-6 environmental requirements A-1 fans 4-1 field-replaceable modules 1-1 firmware 3-3 front panel 1-2 installing bezel 1-8 installing channel cards 5-3 installing disk drives 2-7 installi
PS6500 Hardware Maintenance locating modules 4-2 removing module 4-3 requirements 4-2 verifying operational status 4-6 cover (chassis), opening and closing 1-9 D disk drives accessing 2-7 correct handling 2-6 failure behavior 2-3 failure indicators 2-2 identifying 2-3 incorrect handling 2-6 installing 2-7 LEDs 2-1 maintenance 2-1 numbering 2-3 protecting 2-4 removing 2-4 requirements 2-4 status 2-2 supported configurations 2-4 verifying operational status 2-9 E EIP card identifying failures 6-3 interpret
PS6500 Hardware Maintenance minimum configuration 3-11 recommendations 3-10, 3-11 recommended configuration 3-11 requirements 3-10, 3-11 network cables 3-11 connecting 3-11 network interfaces configuring 3-10 LEDs 3-1 P power full-power mode 1-13 standby mode 1-13 turning off 1-13 turning on 1-13 power cables restriction 4-5 using strain relief 4-6 power supplies cable strain relief 4-6 connecting array 4-3 indications of failure 4-2 initialization 4-6 installing 4-4 LEDs 4-1 locating modules 4-2 maintain
