[CentOS] [Q} how can O.S. predicate a disk going to failure??
Brian Mathis
brian.mathis at gmail.com
Tue Aug 4 13:58:13 UTC 2009
Disks are cheap, your data is not. Replace the disk without hesitation.
2009/8/4 mcclnx mcc <mcclnx at yahoo.com.tw>:
>
> we have CENTOS 4.X on DELL server and one one of virtual disk include 4 disk configure as REID5 (one more disk for hot spare). I saw /var/log/messages file have:
>
> Aug 4 06:27:02 host1 Server Administrator: Storage Service EventID: 2094 Predictive Failure reported: Physical Disk 1:5 Controller 0, Connector 1
> Aug 4 06:27:02 host1 Server Administrator: Storage Service EventID: 2051 Physical disk degraded: Physical Disk 1:5 Controller 0, Connector 1
>
> I use DELL OPMN to check and found "disk 1:5" still "online", but "predicate failure".
>
> I also use DELL OPMN to check virtual disk and it show "online", not "degrade".
>
> my questions are:
>
> 1. is this disk really "degrade" or not?
>
> 2. how O.S. can predicate disk going to failure?
>
> 3. do I need replace this disk now?
>
> Thanks.
>
>
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