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The Intel® RAID Controller is designed to prevent the reinsertion of a drive which has previously failed.
As a result the RAID rebuilding process will not start if the same hard drive is removed from the RAID array and subsequently reinserted (for example for testing purposes). In order to start a RAID rebuild a hard drive must be inserted, which has not been removed from this RAID array before.
This behavior is by design to prevent reusing a bad hard disk drive.
If the same hard disk is reinserted into a RAID array on the Intel® RAID controller, this will trigger a "Foreign Configuration Error" and the hard disk will be marked as "unconfigured bad" rather than reporting the array status as online/rebuilding.
To work around this, reboot the server after reinserting the previously removed hard drive.
Enter the RAID BIOS by pressing <Ctrl>+<G>.
Click the respective hard drive which is marked unconfigured bad.
Select the option Make Unconfigured Good and Go.
Then select the option Replace Missing PD on the bottom right on the RAID BIOS screen and Go.
Once these two options have been selected the option to rebuild the RAID array will be available.
Operating System:
This applies to:
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