Hello,
Previously, I sent an email regarding a failure in creating
a large file using "cat.. >> ..".
Attach below is the dmesg from i/o error. Can anyone help
explain its meaning.
Many thanks,
Michael.
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# mkfs.xfs -l size=32768b /dev/evms/lvm/myvg/mylv
# mount -t xfs /dev/evms/... /myfs
# cp /root/tempfile /myfs/BIGfile //
tempfile is a 3GB dummy file
# cat /root/tempfile >> /myfs/BIGfile
# cat /root/tempfile >> /myfs/BIGfile
# cat /root/tempfile >> /myfs/BIGfile
# cat /root/tempfile >> /myfs/BIGfile
# cat: write error: Input/Output error
# umount /myfs //
recovery
# xfs_repair -L /dev/evms...
# mount -t xfs /dev/evms/... /myfs // try again
# cat /root/tempfile >> /myfs/BIGfile
# cat /root/tempfile >> /myfs/BIGfile
# cat: write error: Input/Output error
------------------------------
Dmesg:
XFS mounting filesystem evms(117,4)
(scsi0:A:0:0): Locking max tag count at 64
(scsi0:A:2:0): Locking max tag count at 64
I/O error in filesystem ("evms(117,4)") meta-data dev 0x7504 block
0x2001ff2
("xlog_iodone") error 5 buf count 23552
xfs_force_shutdown(evms(117,4),0x2) called from line 939 of file
xfs_log.c. Ret urn address = 0xc02258b7 Log I/O Error Detected.
Shutting down filesystem: evms(117,4) Please umount the filesystem, and
rectify the problem(s) XFS mounting filesystem evms(117,4) I/O error in
filesystem ("evms(117,4)") meta-data dev 0x7504 block 0x2001fe3
("xlog_iodone") error 5 buf count 24064
xfs_force_shutdown(evms(117,4),0x2) called from line 939 of file
xfs_log.c. Ret urn address = 0xc02258b7 Log I/O Error Detected.
Shutting down filesystem: evms(117,4) Please umount the filesystem, and
rectify the problem(s) XFS mounting filesystem evms(117,4)
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