Ahmed Kamal wrote:
> Hello,
> I'm working on a server with a 3w-9550SX controller, with 3x500G disks
> in a raid-5 and 1x500G hot spare. One night, a disk fails, and the
> server crashes! Working on the server, I see that many filesystems were
> destroyed beyond repair!! This was too bad to hear. Some LVM volumes
> were repaired, others were restored from backup. The bad disk was
> removed. I learnt that 3ware controllers aren't really high quality, and
> they probably corrupt the FSs.
>
> Since all disks are same age, I thought I'd buy new disks to replace the
> old ones. I bought 4x500G barracuda-ES drives, which should be high
> quality. Here lies my problem. I need to replace the 3 running disks,
> with 3 new disks, and add an extra one as hot spare. I am scared to do
> that, because the standard way is to "fail" a disk, and rebuild on a new
> one, then repeat for the other 2 disks till all 3 are replaced. Now this
> puts me in a vulnerable situation, if I "fail" a disk, and while
> rebuilding another disk naturally fails, all data is gone! Is there any
> other "wise" way to do what I want safely ? I contacted 3w support, and
> they just insist I should fail/rebuild, but since I don't have much
> faith in their controllers or the old disks ... any smarter way to do this ?

Yes....

Fully backup your file systems and then do a fail/rebuild.

--
"Once more the drama begins."

 -- The Emperor Paul Muad'dib on his ascension to the Lion Throne

_______________________________________________
rhelv5-list mailing list
rhelv5-list@(protected)
https://www.redhat.com/mailman/listinfo/rhelv5-list