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

help - just logged into my domain controller and getting errors on the disk drive (failed redundancy)
IT GuyAsked:
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Travis MartinezStorage EngineerCommented:
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:

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Robert FoxSystems EngineerCommented:
May I recommend that a recent backup is secured before any work is performed on the array.
IT GuyAuthor 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 EngineerCommented:
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

Open in new window

andyalderSaggar maker's framemakerCommented:
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.
IT GuyAuthor Commented:
let me know if you need any other screenshot - thanks
andyalderSaggar maker's framemakerCommented:
Just Windows software mirroring so the first post from Travis has a link to the correct procedure.
andyalderSaggar maker's framemakerCommented:
Correct and first.
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