RE: Raid5 Blues

["Phil Harris" <phil@xxxxxxxxxxx>]

No idea but from the experiences people on here have had with RAID
(and
hardware RAID controllers in particular) it seems that running RAID (other
than basic mirroring of "critical" data) is turning out to often
be more
trouble than it's worth!

Phil

> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> Of aashram
> Sent: 02 March 2007 10:31
> To: ukha
> Subject: [ukha_d] Raid5 Blues
>
> I have had a crazy sequence of events on my raid5 media server
>
> I am using a lsi megaraid 150-6 sata controller with 6 drives
> drives 1 to 5 are the raid and drive 6 hotspare.
>
> While working I had 2 drives (YUK!) drives 1 and 3 show as failed - I
> checked the media errors count and there were none. I read an article
> saying
> this can happen. So I put the drives back on line. The hotspare had
not
> kicked in but Everything was ok as I could see my data.
>
> Then another drive showed as failed and the hotspare kicked in. I
could
> still see my data. Rebuild rate was30% so it didn't get very far when
> soon
> after that the original 2 drives went to failed. I nearly passed out!
>
> The current situation is the drive is seen my windows and mounted to a
> drive
> letter but when I go to read it it freezes explorer. The raid
> configuration
> is different. Whereas before drives 1 to 5 were my raid5 and 6 my
> hotspare
> The configuration shows now drives 1,2,4,5,6 is the raid and drive 3
is
> showing as available.
>
> I have logged a call with lsi and Level 2 are hopefully gonna ring me.
>
> I was wondering if I went into the configuration on card and setup the
> seuence back to what it was originally what are the odds of it all
> working
> again ?
>
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