How to know which disk has failed on a Mirrored Raid? marked as DR0

Posted by Saariko on Server Fault See other posts from Server Fault or by Saariko
Published on 2012-10-15T13:02:57Z Indexed on 2012/10/15 15:40 UTC
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Filed under:

hard-drive

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windows-server-2008-r2

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software-raid

Our 2ndry DC, which is on a W2K8R2 Mirrored software raid has lost it's sync, and disk management displays the failed redundancy error

enter image description here

How do I know which of the disks has failed? (beside to try and replace one - and see if it loads and syncs)

On the device manager, under disks I see both disks, one of them has an icon of: Disable, while the other doesn't

enter image description here

Event log displays an event id 7 - bad block on Hard disk DR0

enter image description here

The thing is that looking in device manager, both disks are located in '0' location, which is bizzare

enter image description here

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