PowerEdge: Assign and Unassign Hot Spare in System Setup in the PERC Controller

Summary: This article provides the information of how to assign or unassign a global dedicated hot spare for a hard drive.

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Instructions

This article provides the information of how to assign or unassign a global dedicated hot spare for a hard drive.

  • A dedicated hot spare is assigned to only one virtual disk on the controller.
  • A Global hot spare is assigned to all virtual disks on the controller.
  • See the Dell PowerEdge RAID Controller manual for more information.

Table of Contents

Going to the Dell PERC configuration utility 

Perform the following steps to boot to the Human Interface Infrastructure (HII) configuration utility:

  1. Turn on the system.
  2. When the system starts up, press F2 to enter System Setup. 
    Entering System Setup 
  3. Click Device Settings, all RAID controllers in the system list in the Device Settings screen.
    To access the main menu for the controller, use the arrow keys or the mouse.
    System setup - Device settings - PERC selection |

    PERC HII main menu

 

Note: For more information in all the options, click Help that is available on the upper right corner of the browser screen. Help information for individual option menus can also be viewed by scrolling down on each option.

 

Assign a global hot spare

To assign a global hot spare from the HII Configuration Utility, perform the following steps:   

 

Note: The utility allows only disks of the same disk technology and of equal or greater size to be selected as dedicated hot spare.

 

  1. Enter the Dell PERC Configuration Utility. See Going to Dell PERC configuration utility.
  2. Click Main Menu > Physical Disk Management. The list of hard drives is displayed.
    PERC controller disk management selection 
  3. Select the hard drive.
    Physical disk management in PERC HII 
  4. From the Operations drop-down menu, select Assign Global Hot Spare.
    Hotspare selection list in PERC HII physical disk management 
  5. Click Go. A screen is displayed asking if you are sure that you want to perform the operation.
    Applying changes 
  6. Select the Confirm option.
  7. Click Yes. The global hot spare disk is created successfully.
    confirmation 
  8. You can check the status of the hard drive.
    new status hot spare 

Assigning dedicated hot spare

To assign a dedicated hot spare from the HII Configuration Utility, perform the following steps:

 

Note: The utility allows only disks of the same disk technology and of equal or greater size to be selected as dedicated hot spare.

 

  1. Enter the Dell PERC Configuration Utility. See Going to Dell PERC configuration utility.
  2. Click Main Menu > Physical Disk Management. The list of hard drives is displayed.
    physical disk management 
  3. Select the hard drive.
    disk selection 
  4. From the Operations drop-down menu, select Assign Dedicated Hot Spare. 
    Assign hotspare 
  5. Click Go. Select the associate virtual to the dedicated hot spare.
    dedicated hotspare 
  6. Select the Confirm option. 
  7. Click Yes. The dedicated hot spare disk is created successfully.
    confirmation 
  8. You can check the status of the hard drive.
    status confirmation 

Unassign a hot spare

To unassign a hot spare from the HII Configuration Utility, perform the following steps:   

  1. Enter the Dell PERC Configuration Utility. See Going to Dell PERC configuration utility.
  2. Click Main Menu > Physical Disk Management, and the list of hard drives is displayed.
physical disk management 
  1. Select the hot spare you want to unassign.
  2. From the Operations drop-down menu, select Unassign Hot Spare.
    Hotspare unassignment  
  3. Select the Confirm option. 
  4. Click Yes. The hot spare disk is unassigned successfully.
    confirmation 
  5. You can check the status of the hard drive.
    status confirmation

 

Note: Try to use hard drives of the same capacity in a specific virtual disk. If you use hard drives with different capacities in a virtual disk, all hard drives in the virtual disk are treated as if they have the capacity of the smallest hard drive.

 

Additional Information

How To Configure Hot Spare Drive On It PowerEdge Server.

Duration: 00:03:13 (hh:mm:ss)
When available, closed caption (subtitles) language settings can be chosen using the CC icon on this video player.

 

Affected Products

PowerEdge RAID Controller H345, PowerEdge RAID Controller H350 Adapter SAS, PowerEdge RAID Controller H355 Front SAS, PowerEdge RAID Controller H355 Adapter SAS, PowerEdge RAID Controller H365i Adapter, PowerEdge RAID Controller H365i Front DC-MHS , PowerEdge RAID Controller H745, PowerEdge RAID Controller H745P MX, PowerEdge RAID Controller H750 Adapter SAS, PowerEdge RAID Controller H740P, PowerEdge RAID Controller H840 ...

Products

PowerEdge RAID Controller H755 Adapter, PowerEdge RAID Controller H755 MX Adapter, PowerEdge RAID Controller H755N Front NVMe, PowerEdge RAID Controller H755 Front SAS
Article Properties
Article Number: 000177797
Article Type: How To
Last Modified: 06 فبراير 2026
Version:  14
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