help - just logged into my domain controller and getting errors on the disk drive (failed redundancy)

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help - just logged into my domain controller and getting errors on the disk drive (failed redundancy)
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Commented:
It sounds as though one of the drives in the volume mirror you have has failed.  The system is still active due to the mirror.  Here's Microsoft's procedures for recovering a failed mirror:

https://technet.microsoft.com/en-us/library/cc938519.aspx
Robert FoxSystems Engineer

Commented:
May I recommend that a recent backup is secured before any work is performed on the array.

Author

Commented:
we are losing power to the building next week si i am working on inventory and just saw the error, will have to backup AD, DNS
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Robert FoxSystems Engineer

Commented:
If this is your only DC then its advisable to run a full bare metal snapshot.
If this is not your only DC then you may wish to investigate the status of your AD roles, running the following query will tell you where the FSMO roles are currently active.

From command prompt run
netdom query fsmo

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Top Expert 2014

Commented:
Without a screenshot it's not possible to tell what software the message is coming from (although it sounds like it may be just Intel RST or similar fakeRAID. With a screenshot we could tell you how to identify and replace the failed disk.

Author

Commented:
dc-error.png
let me know if you need any other screenshot - thanks
Top Expert 2014

Commented:
Just Windows software mirroring so the first post from Travis has a link to the correct procedure.
Top Expert 2014

Commented:
Correct and first.

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