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
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
Which one is having the trouble? Any ideas so I can swap it out?
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Gilbert Sebenste                                                     ********
(My opinions only!)                                                  ******
Staff Meteorologist, Northern Illinois University                      ****
E-mail: sebenste at weather.admin.niu.edu                                  ***
web: http://weather.admin.niu.edu                                      **
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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 > 3896150669see 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.