Expanding RAID 1 array size (Adaptec 1420SA controller)

Posted by cincura.net on Server Fault See other posts from Server Fault or by cincura.net
Published on 2012-06-19T08:23:21Z Indexed on 2012/06/19 9:18 UTC
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raid

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adaptec

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expansion

I have an Adaptec 1420SA controller in server and RAID 1 array created. The old disks slowly started to report S.M.A.R.T errors so I replaced first one, rebuild array and then other one and rebuild the array again. But the new drives are bigger, so I'd like to expand the array to use full disk capacity.

Is it somehow possible? In the Adaptec configuration utility, after POST, I didn't found anything that could do it.

I still have the old drives, if it helps. The array is used for system (Windows 2008 R2 SP1) booting.

Thanks.

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