Vegard Svanberg wrote: > I had a busy mailserver fail on me the other day. Below is what was > printed in dmesg. We first suspected a hardware failure (raid controller > or something else), so we moved the drives to another (identical > hardware) machine and ran fsck. Fsck complained ("short read while > reading inode") and asked if I wanted to ignore and rewrite (which I > did). > > After booting up again, the problem came back immediately and root was > remounted read only. We moved the data from the read only drive to a new > machine. While copying the data, we got this message from time to time > (on various files): "EXT3-fs error (device dm-0): ext3_get_inode_loc: > unable to read inode block - inode=22561891, block=90243144. > > I need to find the cause(s) of the problems. So far I have these > questions/concerns: > > - Kernel bug? (This is Ubuntu 8.10 with 2.6.27-7-server) > - Filesystem bug/failure? > - Did the RAID controller fail to detect a failing drive? This is an > Adaptec aoc-usas-s4ir running on a Supermicro motherboard. > > I suspect that one of the drives (RAID 6 btw) has failed, but I'm not > sure what to do from here. > > Any ideas? Thanks in advance. > > dmesg: > > [ 38.907730] end_request: I/O error, dev sda, sector 284688831 Drive hardware on sda failing; I'd run smart tools or vendor diagnostics, to be sure. <snip> > [ 45.749997] sd 0:0:0:0: [sda] Result: hostbyte=3DDID_OK driverbyte=3DD= > RIVER_SENSE,SUGGEST_OK > [ 45.750008] sd 0:0:0:0: [sda] Sense Key : Hardware Error [current] ^^^^^^^^^^^^^^ I can't speak to whether the raid controller should have detected this. -Eric _______________________________________________ Ext3-users mailing list Ext3-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ext3-users