PE700 RAID 5 failed disk problem (CERC SATA 1.5/6ch)

[Patrick_Boyd at Dell.com]

You need to rebuild the virtual disk. In this case you'll probably need
to assign the new disk as a hotspare to the degraded VD.

Patrick Boyd
Dell Storage Software Engineer
(512)728-3182
 

-----Original Message-----
From: linux-poweredge-bounces at dell.com
[mailto:linux-poweredge-bounces at dell.com] On Behalf Of Samuel LIU
Sent: Friday, November 03, 2006 3:58 PM
To: linux-poweredge-Lists
Subject: PE700 RAID 5 failed disk problem (CERC SATA 1.5/6ch)

We had disk error on our PE700 server which has 4 disks as RAID 5 array
(controler is Adaptec CERC SATA 1.5/6ch). In array bios utility, we saw
2 disks graded out. 1 drive is bad, the other is good on disk
verification but graded out. We replaced controller, then the good drive
is back in as array member. We replaced the bad disk with a new one,
rescaned drives, and thought the rebuilding should be automatically
started at boot time. It didn't. Instead, the system just said the array
has missing, rebuilding, or failed drive member and therefore degraded,
then rebooted itself.

My question is: what is the normal procedure to replace a failed disk? 
should we do something in bios or somewhere to start the rebuilding
manually? In array bios, there is a "restoring array" option but with a
prompt saying we might loss data permanently. Should we go with it?

Thanks,
Sam

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