VERITAS File System 3.5 (HP OnlineJFS/JFS 3.5) Administrator's Guide (August 2003)

Appendix B
Kernel Messages
Kernel Messages
104
027 WARNING: msgcnt x : vxfs: mesg 027: vx_snap_bpcopy - mount_point snapshot file
system write error
• Description
A write to the snapshot file system failed.
As the primary file system is updated, copies of the original data are read from the
primary file system and written to the snapshot file system. If one of these writes fails, the
snapshot file system is disabled.
• Action
Check the console log for I/O errors. If the disk has failed, replace it. Resolve the error on
the disk and rerun any backups or other applications that were using the snapshot that
failed when the error occurred.
028 WARNING: msgcnt x : vxfs: mesg 028: vx_snap_alloc - mount_point snapshot file system
out of space
• Description
The snapshot file system ran out of space to store changes.
During a snapshot backup, as the primary file system is modified, the original data is
copied to the snapshot file system. This error can occur if the snapshot file system is left
mounted by mistake, if the snapshot file system was given too little disk space, or the
primary file system had an unexpected burst of activity. The snapshot file system is
disabled.
• Action
Make sure the snapshot file system was given the correct amount of space. If it was,
determine the activity level on the primary file system. If the primary file system was
unusually busy, rerun the backup. If the primary file system is no busier than normal,
move the backup to a time when the primary file system is relatively idle or increase the
amount of disk space allocated to the snapshot file system.
Rerun any backups that failed when the error occurred.
029, 030 WARNING: msgcnt x : vxfs: mesg 029: vx_snap_getbp - mount_point snapshot file system
block map write error
WARNING: msgcnt x : vxfs: mesg 030: vx_snap_getbp - mount_point snapshot file system
block map read error
• Description
During a snapshot backup, each snapshot file system maintains a block map on disk. The
block map tells the snapshot file system where data from the primary file system is stored
in the snapshot file system. If an I/O operation to the block map fails, the snapshot file
system is disabled.
• Action
Check the console log for I/O errors. If the disk has failed, replace it. Resolve the error on
the disk and rerun any backups that failed when the error occurred.
Message
Number
Message and Definition