VERITAS Volume Manager 3.5 Troubleshooting Guide (August 2002)

Kernel Warning Messages
42 VERITAS Volume Manager Troubleshooting Guide
vxvm:vxio:WARNING: mod_install returned errno
Description: A call made to the operating system mod_install function to load the
vxio driver failed.
Action: Check for additional console messages that may explain why the load failed.
Also check theconsole messageslog file forany additionalmessages that were logged
but not displayed on the console.
vxvm:vxio:WARNING: object plex detached from volume volume
Description: An uncorrectable error was detected by the mirroring code and a mirror
copy was detached.
Action: To restore redundancy, it may be necessary to add another mirror. The disk on
which the failure occurred should be reformatted or replaced.
vxvm:vxio:WARNING: object subdisk detached from RAID-5 volume at column
column offset offset
Description: Asubdisk wasdetached from a RAID-5volume becauseof the failure ofa
disk or an uncorrectable error occurring on that disk.
Action: Check for other console error messages indicating the cause of the failure.
Replace a failed disk as soon as possible.
vxvm:vxio:WARNING: object_type object_name block offset:Uncorrectable read
error ...
vxvm:vxio:WARNING: object_type object_name block offset:Uncorrectable write
error ...
Description: A read or write operation from or to the specifiedVERITAS Volume
Manager object failed. An error is returned to the application.
Action: These errors may represent lost data. Data may need to be restored and failed
media may need to be repaired or replaced. Depending on the type of object failing
and on the type of recovery suggested for the object type, an appropriate recovery
operation may be necessary.
vxvm:vxio:WARNING: Overlapping mirror plex detached from volume volume
Description: An error has occurred on the last complete plex in a mirrored volume.
Any sparse mirrors that map the failing region are detached so that they cannot be
accessed to satisfy that failed region inconsistently.
Action: The message indicates that some data in the failing region may no longer be
stored redundantly.