-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 05/28/2012 03:33 PM, Fredrik Tolf wrote: > Last night, one of the PVs in datvol had a transient SATA link > failure and popped in and out of existence for a little while, > which caused datvol and the LVs on it to fail. No permanent damage > seems to have occurred, though, so I'm not too worried about that. > I could bring datvol down and up again to make it work, so I guess > everything worked as should be expected. Are the devices for ravol and datvol on the same SATA bus or controller? > What concerns me a little, however, is that ravol also seems to > have been oddly affected by the failure of datvol. At times, the > filesystems on it could hang for seconds, not responding; and while > it was responding, XFS was intermittently outputting messages like > > May 28 14:58:58 nerv kernel: [30350.996032] > xfs_force_shutdown(dm-33,0x1) called from line 335 of file > /build/buildd-linux-2.6_2.6.32-38-amd64-bk66e4/linux-2.6-2.6.32/debian/build/source_amd64_none/fs/xfs/xfs_rw.c. > Return address = 0xffffffffa01df02c > May 28 14:51:38 nerv kernel: [29911.468028] Filesystem "dm-33": > xfs_log_force: error 5 returned. Errno 5 is EIO: /usr/include/asm-generic/errno-base.h:#define EIO 5 /* I/O error */ So something below XFS returned EIO. This could happen due to IO timeouts caused by link reset and error recovery on the other SATA device. Regards, Bryn. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk/DlSQACgkQ6YSQoMYUY95M4wCfVZ0s8rs9NRbFDa1ykaOkdMHb MOAAmwem/NStQc2i6hlIj2Uzpkz1onU5 =oR3I -----END PGP SIGNATURE----- _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/