Dell PERC: How to clear the foreign configuration on a HDD using the Raid Configuration Utility

Dell Server Update Utility

I had a disk failure in a Dell PowerEdge R710 server recently and as the server itself is due to be decomissioned soon and we have a few spare HDDs available of the correct type, we decided to use one of them.

If the replacement HDD was blank or new then doing a simple swap out would start the array rebuilding, but because the disk I used had come from another server it already had some raid configuration data on it. So in this post I’ll look at how to clear the foreign configuration from a replacement HDD.






Reboot the server and during start up when prompted press Ctrl + R to enter the Raid Configuration Utility.

Once in the PERC Configuration Utility use Ctrl+ N to switch between the tabs, below you can see the Virtual Disk Management page and the missing disk.

PERC H700 Virtual Disk Management - disk 0 missingThe next tab, Physical Disk Management shows the new foreign disk in slot 0.

PERC H700 Physical Disk Management - disk 0 ForeignThe last tab shows the Foreign configuration as well and the current active configuration.

PERC H700 Foreign Config ViewNow we have orientated ourselves go back to the Virtual Disk Management page, highlight the controller at the top of the screen and press F2 to list the available operations.

PERC H700 Virtual Disk Management - Controller Highlighted F2Scroll down and select Foreign Config, another window will pop up with the option to import or clear the configuration. Select Clear.

The warning message below will pop up, select Yes.

PERC H700 Virtual Disk Management - Foreign configuration will be lostLooking at the Physical Disk Management page, you can now see the replacement disk is Ready.

PERC H700 Physical Disk Management - disk 0 ReadyPress F2, and then select the option to Make Global HS.

PERC H700 Physical Disk Management - disk 0 F2 Make Global HSYou can see below that the State has changed to Rebuild.

PERC H700 Physical Disk Management - disk 0 RebuildingExit the Raid Configuration Utility, reboot your server and the array will rebuild in the background.

 

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3 thoughts on “Dell PERC: How to clear the foreign configuration on a HDD using the Raid Configuration Utility

  1. Aung Ko Win (Mr.Peter)

    Thanks for your shearing Sir.I want to asked my problem and may I know your email address.I face RAID 5 problem and I can’t fix it.Please help me!

    Reply

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