HP-UX Logical Volume Manager and MirrorDisk/UX Release Notes (March 2010 Update release)

Table 1 LVM Fixes in HP-UX 11i v3 March 2010 (continued)
DescriptionDefect ID
In some instances, when using mirrored logical volumes, a pvmove auto rebalance fails
with an error stating insufficient free space, even though enough free space is available for
rebalance operation.
QXCR1000975928
The vgcfgrestore command with the -o option fails on Version 2.x volume groups if
the physical volume can no longer be accessed using the old device special file. The
vgcfgrestore command fails with a message similar to the following: vgcfgrestore:
Volume group "/dev/vgname" does not exist in the "/etc/lvmtab_p"
file. "/dev/rdisk/disk118": not a character device.
QXCR1000982713
For Version 1.0 volume groups, if pvmove is invoked with primary and alternate links for
the same physical volume, configuration data corruption can occur.
QXCR1000985558
Reading from /dev/lvm_private/lvmp causes the following system panic: panic:
Fault when executing in kernel mode. The stack trace shows that the panic occurs
in lvmp_strategy.
QXCR1000985574
If a Version 1.0 volume group has physical volumes larger than the volume group maximum
physical extent per physical volume value (as shown by vgdisplay) and you use the
vgversion command to convert the Version 1.0 volume group to a Version 2.x volume
group , data loss can occur.
QXCR1000988757
If two logical volumes with mounted HFS filesystems are merged while they are both still
mounted, the lvmerge command hangs.
QXCR1000992671
The pstat interface pstat_getlv() fails on logical volumes in Version 2.x volume groups
when a dev_t is passed as an argument.
QXCR1000995910
Known problems and limitations
This section provides a list of known problems and limitations as known to HP at time of
publication. If workarounds are available, they are included.
Known problems
vgversion does not perform automatic configuration backup
Defect ID: QXCR1000994377
Problem:
On successful completion, the vgversion command does not
automatically backup the configuration like other configuration
commands.
Severity: Medium
Corrective Action:
Run the vgcfgbackup command after successful completion of
vgversion.
pvmove displays an incorrect message related to an alternate link
Defect ID: QXCR1000998563
Problem:
If you invoke pvmove and specify both the primary link and
alternate link of the physical volume, an incorrect message about
the alternate link is displayed.
Severity: Medium
Corrective Action: None. Only the message is incorrect.
Deletion of a snapshot in low memory conditions can hang
Defect ID: QXCR1001000352
Known problems and limitations 7