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Add mirror greyed out

Posted on 2009-04-03
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Last Modified: 2012-06-22
Hi

Pretty sure I know the answer to this already but here goes! I stupidly missed the fact I have embedded RAID on my server during install but now it's all configured and running nicely I thought I'd use Disk management to create a RAID 1 mirror. I have 2 x 320GB SATA disks one being disk 0 the other disk 1. Disk 0 currently has the OS and program files on and disk 1 is the disk I want to act as the mirror. The problem I have is disk 0 is partitioned into C and D. after upgrading both disks to dynamic i was able to mirror C no problem. However when I attempt to mirror D (the other partition on Disk 0) the option is greyed out. Is this because you can only mirror the boot/system partition and therefore would only work if disk 0 was configured as 1 drive (C)? Any way around without re-install of OS? Thanks, Nick
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Question by:nlbtaylor
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Philip Elder earned 250 total points
ID: 24065329
Upgrade both disks to Dynamic and you will have the option to create a software mirror.

If your OS is on a partition that is smaller than the grand total of available space on your disks, then you can do a hardware independent restore of your OS:

http://blog.mpecsinc.ca/2009/03/sbs-2008-using-sbs-backup-to-expand.html

Make sure to use the advanced feature in the restore process and install the RAID controller drivers there.

If all else fails, you can restore to the one disk and do the software mirror. We have had a lot of success with the built-in SBS Backup though.

Philip
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