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Adaptec RAID - rebuilding taking a long time

Last Modified: 2012-06-22
I have an Adaptec 3805 controller card in a Viglen server, with a RAID 1 array consisting of 2 150Gb SATA drives.

One of the drives was throwing up occasional read errors, so I marked it as faulty and replaced it. The new drive was recognised, and showed up in Adaptec Storage Manager with a status of 'Rebuilding'.

There was a flurry of activity on the two drives for a couple of hours, as expected, but that has now stopped and the drive appears normal: no red status light, and occasional activity in conjunction with it's partner.

However, Adaptec Storage Manage still shows it as rebuilding, with the array degraded. It has been this way for five days now.

How can I tell what is going on?
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