Veritas Volume Manager 4.1 Administrator's Guide (HP-UX 11i v3, February 2007)

Multi-Host Failover Configurations
370 VERITAS Volume Manager Administrator’s Guide
which can be fed to vxmake to restore the layouts. There are typically numerous
configuration copies for each disk group, but corruption nearly always affects all
configuration copies, so redundancy does not help in this case.
Disk group configuration corruption usually shows up as missing or duplicate records in
the configuration databases. This can result in a variety of vxconfigd error messages
VxVM vxconfigd ERROR V-5-1-569 Disk group group,Disk disk:Cannot
auto-import group: reason
where the reason can describe errors such as:
Association not resolved
Association count is incorrect
Duplicate record in configuration
Configuration records are inconsistent
These errors are typically reported in association with specific disk group configuration
copies, but usually apply to all copies. The following is usually displayed along with the
error:
Disk group has no valid configuration copies
See the VERITAS Volume Manager Troubleshooting Guide for more information on VERITAS
Volume Manager error messages.
If you use the VERITAS Cluster Server product, all disk group failover issues can be
managed correctly. VCS includes a high availability monitor and includes failover scripts
for VxVM, VxFS, and for several popular databases.
The -t option to vxdg prevents automatic re-imports on reboot and is necessary when
used with a host monitor (such as VCS) that controls imports itself, rather than relying on
automatic imports by VERITAS Volume Manager.