Technical Whitepaper Managing physical grouping of infrastructure devices in OpenManage Enterprise Power Manager Abstract This white paper provides guidance to group devices in a manner that reflects their physical organization in the data center.
Revisions Revisions Date Description July 2021 Initial release Acknowledgments Author: Indumathi G, Harshendra Shetty, Shivendra Katiyar Support: Shruthi Ravoor The information in this publication is provided “as is.” Dell Inc. makes no representations or warranties of any kind with respect to the information in this publication, and specifically disclaims implied warranties of merchantability or fitness for a particular purpose.
Table of contents Table of contents Revisions ....................................................................................................................................................................... 2 Acknowledgments.......................................................................................................................................................... 2 Table of contents .........................................................................................................
Table of contents 7.2 Visualizing power and space headroom in overview page ......................................................................... 35 7.3 Visualizing top 10 underutilized racks for power ......................................................................................... 36 7.4 Visualizing top 10 underutilized racks for space ......................................................................................... 36 8 Visualizing racks of physical groups .....................
Acronyms Acronyms Acronyms Expansion OME Open Manage Enterprise PMP Power Manager Plugin OMEPM Open Manage Enterprise Power Manager iDRAC Integrated Dell Remote Access Controller CMC Chassis Management Controller MSM Modular System Management MCM Multi Chassis Management MM Management Module REST REpresentational State Transfer GUI Graphical User Interface EPR Emergency Power Reduction PDU Power Distribution Unit API Application Programming Interface CSV Comma-separated values
Executive summary Executive summary Use this white paper to organize devices in the console that represent their physical placement in the data center. It also covers the associated benefits of physically grouping the devices in OpenManage Enterprise console and Power Manager plugin.
Creating physical groups 1 Creating physical groups 1.1 Supported physical group hierarchies This section explains how various data center hierarchies can be created in the form of device groups in OpenManage Enterprise where Power Manager plugin is installed. It details out importance of a hierarchy, guidelines for an acceptable hierarchy, and various types of physical groups that can be created using the hierarchy. There are certain constraints the physical hierarchy must adhere to.
Creating physical groups Group Hierarchy Defines the category under Parent Group Yes • • • • Data Center Room Aisle Rack Parent Group Represents the highlevel hierarchy for the physical group Yes • • Physical Hierarchy Previously created Physical Groups Power Provide the maximum Capacity (W) defined power consumption of the physical group. Yes, only for the Rack group. Recommended limit: 1–629365631 Space Capacity (USIZE) Yes Provide the rack capacity for rack management purpose.
Creating physical groups 1.4 Creating datacenter physical group The Datacenter type physical group represents the entire data center. If you plan to manage multiple datacenters in a single console, then ensure that you create multiple data center physical groups. 1. Click PLUGIN GROUPS > Physical Hierarchy >Create New Physical Group option to launch physical group creation wizard to provide the physical group’s information. Create New Physical Group Wizard – Data Center 2.
Creating physical groups Create New Physical Group Wizard – Room 2. Provide Name and Description for the Room. 3. Select the Group Hierarchy as Room and Parent group as DC or default with the defined power capacity. 4. Provide the Power Capacity (W) as maximum defined power consumption of the physical group. 5. Power Capacity (BTU/Hr) will calculated and displayed based on the Power Capacity (W). 6. Click Finish. The Room physical group is created successfully.
Creating physical groups 6. Click Finish. The Aisle physical group is created successfully. The API to create a physical group is: https:///api/GroupService/Actions/GroupService.CreateGroup For more information about the Power Manager APIs, see the OpenManage Enterprise Power Manager API document available on the support site. 1.7 Creating Rack physical group The Rack type physical group represents a single enclosure that accommodates multiple infrastructure devices.
Editing physical groups 2 Editing physical groups This section explains about modifying the properties of a physical group after it is created. It also helps to revise the parameters that are crucial for various computations. 1. Click PLUGIN GROUPS > Physical Hierarchy > Rack >Edit Group option to launch Physical Group Edit wizard to provide the physical group’s information. Option for Edit Physical Group Edit Physical Group 2.
Editing physical groups Note: The power capacity for a group is the sum of power consumption of the devices within the group, and a suggestion for the total group power capacity is displayed below the Power Capacity field. Note: If a device is already placed, then the Rack U size cannot be decreased below the highest occupied rack slot.
Adding devices in physical groups 3 Adding devices in physical groups This section explains about organizing the devices in Rack physical groups. It details out workflows that are associated with adding different types of devices that are supported in OpenManage Enterprise. 1. Click PLUGIN GROUPS > Physical Hierarchy > Rack > Manage Rack option to open Manage Rack.
Adding devices in physical groups Consider the following before managing the devices in a physical group: • • • Add the size of the unmonitored device that you plan to add to a physical group. Emergency Power Reduction (EPR) is not enabled on the group. The rack slot option is available for the following types of devices: - • 3.1 Chassis Rack servers Storage Network switches Unmonitored devices.
Adding devices in physical groups 4. In Add device(s) to rack slots, by default, the devices are automatically added in the available slots in the rack. To add a device at a specific slot, select the Auto drop-down menu and select the required slot. Add to Rack Slot – Add device(s) to rack slot 5. Click Finish. The devices that are added are graphically displayed on the Manage Rack page. The API to add devices to the rack is: https:///api/PowerService/PhysicalGroups/Actions/PhysicalGroup.
Adding devices in physical groups 1. Select one device from the list. 2. Right side Device Details for Power Manager panel. 3. Click Update Details to update the device details. Device Details for Power Manager The API to view device details is: https:///api/PowerService/DeviceDetails For more information about the Power Manager APIs, see the OpenManage Enterprise Power Manager API document available on the support site. 4.
Adding devices in physical groups 3.2.2 Adding device to a rack 1. Click PLUGIN GROUPS > Physical Hierarchy > Rack > Manage Rack. 2. To add devices discovered in OpenManage Enterprise, click Add to Rack Slot. The Add Device(s) To Rack Slots wizard is displayed. 3. In the Select Device(s) section, select the devices and click Next.
Adding devices in physical groups Manage rack -Non dell device 3.3 Adding an unmonitored device in a rack If there are infrastructure devices that cannot be discovered in OpenManage Enterprise, add the devices manually in Power Manager to represent the physical structure. After adding the unmonitored device details, you can add the device to a rack. This results in rather accurate space and power headroom calculations and allows basic visualization of the device in the console.
Adding devices in physical groups Identifier Provide a unique Yes identifier for the device. Combination of characters, special characters, and numbers. Limit: 1-255 characters Model Provide the model name. No Combination of characters, special characters, and numbers. Limit: 0-255 characters Size of Device (U) Provide the space occupied on the rack. Yes Numbers only Limit: 1-80 Estimated Max Power (W) 3.3.1 Provide the defined maximum power that the device can consume.
Adding devices in physical groups Add Unmonitored Device details 3. Provide a unique Device Name and Description is brief information about the device you are adding. 4. Provide a hostname and a unique identifier for the device. 5. Provide the model name and space that is occupied on the rack. 6. Provide the defined maximum power that the device can consume. 7. Click Finish. Unmonitored device added successfully.
Adding devices in physical groups For more information about the Power Manager APIs, see the OpenManage Enterprise Power Manager API document available on the support site. Note: After adding the unmonitored devices in a physical group under a rack, the location and rack slot columns are populated for this device. 3.3.3 Editing unmonitored devices This section is about how to edit properties of an unmonitored device. 1.
Adding devices in physical groups 3.3.4 Deleting unmonitored devices This section is about how to delete unmonitored devices and the result on the rack after deleting the device. 1. Launch OpenManage Enterprise, and then click Plugins > Power Management > Power Manager Devices > UNMONITORED > Unmonitored Devices. The Unmonitored Devices tab is displayed. 2. Select the devices and click Delete. Unmonitored Device list – select the device for Delete 3. In the confirmation screen, click Yes.
Adding devices in physical groups Add to Rack Slot (Unmonitored devices)– Select Device(s) The API to returns rack capable devices is: https:///api/PowerService/PhysicalGroups/CapableDevices For more information about the Power Manager APIs, see the OpenManage Enterprise Power Manager API document available on the support site. 5. In Add device(s) to rack slots, by default, the devices are automatically added in the available slots in the rack.
Adding devices in physical groups Manage rack – Unmonitored device 3.4 Associating a discovered PDU with a rack A discovered rack Power Distribution Unit (PDU), or a power strip, can be associated with a rack. A rack can have more than one PDUs associated with it. Power-related metrics are automatically monitored from capable PDUs post association. This acts as an alternate source of power consumption data for the rack. 1.
Adding devices in physical groups Associating PDUs to physical rack The API to return rack capable devices: https:///api/PowerService/PhysicalGroups/CapableDevices For more information about the Power Manager APIs, see the OpenManage Enterprise Power Manager API document available on the support site. 4. In the Associate device(s) with rack section, by default the slot is N/A.
Adding devices in physical groups Associate Device(s) list The API to return all the PDU devices that are associated to a specific rack: https:///api/PowerService/PhysicalGroups/GroupDetails/AssociatedDevices For more information about the Power Manager APIs, see the OpenManage Enterprise Power Manager API document available on the support site. Note: Ensure that the PDU devices are discovered in OpenManage Enterprise.
Creating physical group through CSV file 4 Creating physical group through CSV file This section is about how to create a physical hierarchy by importing a pre-populated CSV file. Creating numerous groups and adding devices to the physical groups is a time-consuming process for an existing data center using the User Interface. Hence, it is helpful for automating the group creation process for a medium to large scale datacenters.
Creating physical group through CSV file Description of the CSV columns 4.2 Column Name Description DATACENTER Data center Name ROOM Room Name AISLE Aisle Name RACK Rack Name POWER CAPACITY Rack Power Capacity SPACE CAPACITY Rack Space Capacity SLOT Rack Slot Number DEVICE IDENTIFIER Device Identifier or Service Tag Importing physical hierarchy from CSV file 1. Launch OpenManage Enterprise and click Plugins > Power Management > Power Manager Devices>Physical Groups.
Reorganizing devices in physical groups 5 5.1 Reorganizing devices in physical groups This section is about how to move devices within a rack or across racks to reflect physical movements in data center. To keep physical structures up to date in the console to get accurate results. Moving devices within a rack This operation is to keep the physical group structure aligned to the data center when a device is physically moved from one rack slot to another. 1.
Reorganizing devices in physical groups 5.2 Moving devices across racks This operation is to keep the structure aligned when a device is physically moved from one rack to another rack. 1. Click PLUGIN GROUPS > Physical Hierarchy > Rack > Manage Rack option to Manage Rack. 2. Locate the device that you want to move using the vertical scroll bar of the rack and select the device. Manage Rack 3. Click Move Device to Another Rack. The Select Group page is displayed to select the rack to move the devices.
Reorganizing devices in physical groups Note: If there is an EPR on the destination group, then the movement of the device to this group is blocked.
Removing devices from physical groups 6 Removing devices from physical groups This section explains about how to remove devices from rack physical groups. This is important when you are decommissioning the devices in a data center. 1. Click PLUGIN GROUPS > Physical Hierarchy > Rack > Manage Rack option to Manage Rack. 2. Locate the device that you want to move using the vertical scroll bar of the rack and select the device(s). 6.
Removing devices from physical groups Note: When the device is removed from the rack, it is still monitored in Power Manager if it is added as an individual device in Power Manager. 6.2 Disassociating a PDU from a rack This operation is to remove the association of a PDU with a rack after it is physically removed from a rack. A PDU is removed from a rack if it is being decommissioned or if it is associated with another rack in the data center. 1.
Visualizing Headroom and Underutilized Racks 7 7.1 Visualizing Headroom and Underutilized Racks This section is about how power and space headroom can be observed in physical groups. This helps to determine current density of infrastructure devices in a data center. The information also helps in data center planning activities by clearly highlighting the available power and space at each group hierarchy level. Visualizing power and space headroom in Group Details 1.
Visualizing Headroom and Underutilized Racks Power and space headroom – Overview page 7.3 Visualizing top 10 underutilized racks for power This dashlet provides information about the racks that are consuming minimum power among all the racks available in Power Manager. This information is useful to identify those racks which can host more devices. This information is useful to move devices across racks reducing the burden on other racks that have the highest power consumption.
Visualizing Headroom and Underutilized Racks Top 10 underutilized racks (for space) 37 Managing physical grouping of infrastructure devices in OpenManage Enterprise Power Manager
Visualizing racks of physical groups 8 Visualizing racks of physical groups This section explains about how to view all racks within a physical group. It provides a bird’s eye view of data center structure making it easy to perform various operations on racks and constituent devices. 1. Launch OpenManage Enterprise, and then click Plugins > Power Management > Rack View. The Rack View tab is displayed. Rack View 2.
Visualizing racks of physical groups Rack view – device details tooltip Note: Some devices that are part of a physical group do not have a link because, the device is not supported in Power Manager. Note: If you are logging in as a Device Manager, only the device groups and devices that are in your scope are available for viewing and management. For example, if you are logging in as a Device Manager DM1 user, you can view only the devices and groups that are assigned to a Device Manager DM1 user.
Deleting physical groups 9 Deleting physical groups This section explains about how to delete a physical group from the console. You can delete a group from Power Manager console when they no longer exist in the data center or if they were created for trial purposes. 1. Click PLUGIN GROUPS > Physical Hierarchy >Delete Group option to launch the Confirmation box. Delete physical group 2. Click Yes to delete the physical group.
Physical group reports 10 Physical group reports 10.1 Physical group report for space headroom These reports are by default that is displayed after installing Power Manager. This report contains predefined parameters which when run gives device data over a certain time interval. • • • Type: Built-In Description: This report contains space headroom detail of physical groups added in Power Manager. Advantages: The benefit of this report is to know the space headroom information.
Physical group reports Note: If you are logging in as a Device Manager, only the device groups and devices that are in your scope are available for viewing and management. For example, if you are logging in as a Device Manager DM1 user, and a group G1 is assigned to the Device Manager DM1 user, you can view only the devices in the G1 group.
Conclusion 11 43 Conclusion Using this white paper that one can easily create and maintain physical structure of a data center in OpenManage Enterprise console and Power Manager. And, the benefits of using these features are covered.
Technical support and resources 12 Technical support and resources 12.1 Related resources Dell.com/support is focused on meeting customer needs with proven services and support. • • • • • 44 Knowledge Base for Dell EMC OpenManage Enterprise Link. Knowledge Base for Dell EMC OpenManage Enterprise Power Manager Link. Dell EMC OpenManage Enterprise Power Manager Version 2.0 User’s Guide Link. Dell EMC OpenManage Enterprise Power Manager RESTful API Guide version 2.0 Link.
