VERITAS Volume Manager 3.1 Administrator's Guide

Recovery
Detecting and Replacing Failed Disks
Chapter 8 355
To determine which disk is causing the failures in the above example,
use the following command:
# vxstat -s -ff home-02 src-02
The following is a typical output display:
FAILED
TYP NAME READS WRITES
sd disk01-04 0 0
sd disk01-06 0 0
sd disk02-03 1 0
sd disk02-04 1 0
This display indicates that the failures are on disk02 (and that subdisks
disk02-03 and disk02-04 are affected).
Hot-relocation automatically relocates the affected subdisks and
initiates any necessary recovery procedures. However, if relocation is not
possible or the hot-relocation feature is disabled, you have to investigate
the problem and attempt to recover the plexes. These errors can be
caused by cabling failures, so check the cables connecting your disks to
your system. If there are obvious problems, correct them and recover the
plexes with this command:
# vxrecover -b home src
This command starts recovery of the failed plexes in the background (the
command returns before the operation is done). If the disk has become
detached, this command does not perform any recovery. If an error
message appears later, or if the plexes become detached again and there
are no obvious cabling failures, replace the disk (see “Replacing Disks”).
Complete Disk Failure
If a disk fails completely and hot-relocation is enabled, the email lists the
disk that failed and all plexes that use the disk. The following is an
example of an email:
To: root
Subject: Volume Manager failures on host teal
Failures have been detected by the VERITAS Volume
Manager:
failed disks:
disk02
failed plexes:
home-02