On 11/10/10 6:58 PM, Gilbert Sebenste wrote:
> Hey everyone,
>
> I just got one of these today:
>
> Nov 10 16:07:54 stormy kernel: sd 0:0:0:0: SCSI error: return code =
> 0x08000000
> Nov 10 16:07:54 stormy kernel: sda: Current: sense key: Medium Error
> Nov 10 16:07:54 stormy kernel: Add. Sense: Unrecovered read error
> Nov 10 16:07:54 stormy kernel:
> Nov 10 16:07:54 stormy kernel: Info fld=0x0
> Nov 10 16:07:54 stormy kernel: end_request: I/O error, dev sda, sector
> 3896150669
see where it says dev sda ? thats physical drive zero which has a read
error on that sector.
> Nov 10 16:07:54 stormy kernel: Read-error on swap-device (253:1:743752)
> Nov 10 16:07:54 stormy kernel: Read-error on swap-device (253:1:743760)
> Nov 10 16:07:54 stormy kernel: Read-error on swap-device (253:1:743768)
> Nov 10 16:07:54 stormy kernel: Read-error on swap-device (253:1:743776)
> Nov 10 16:07:54 stormy kernel: Read-error on swap-device (253:1:743784)
> Nov 10 16:07:54 stormy kernel: Read-error on swap-device (253:1:743792)
> Nov 10 16:07:54 stormy kernel: Read-error on swap-device (253:1:743800)
> Nov 10 16:07:54 stormy kernel: Read-error on swap-device (253:1:743808)
>
> My question is this: I have RAID00 set up, but don't really understand
> it well. This is how my disks are set up:
>
> Filesystem 1K-blocks Used Available Use% Mounted on
> /dev/mapper/VolGroup00-LogVol00
> 1886608544 296733484 1492495120 17% /
> /dev/sda1 101086 19877 75990 21% /boot
> tmpfs 1684312 1204416 479896 72% /dev/shm
>
that is not how your disks are setup, thats how your FILE SYSTEMS are setup.
that dev/mapper thing is a LVM volume. you can display the physical
volumes behind a LVM with the command 'pvs'
> Which one is having the trouble? Any ideas so I can swap it out?
raid0 is not suitable for reliability. if any one drive in the raid0
fails (or is removed) the whole volume has failed and will become unusable.
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