HP-UX Logical Volume Manager and MirrorDisk/UX Release Notes HP-UX 11i v3 September 2013 Web Release B.11.31 (5900-3304)

3 Fixed issues in this version
Table 1 (page 6) lists the LVM and MirrorDisk/UX defects fixed in the September 2013 web
release of HP-UX 11i v3.
Table 1 LVM Fixes in HP-UX 11i v3 September 2013 release
DescriptionDefect ID
Write I/Os to space-efficient snapshots (write-enabled) at or above 4TB offset always fail.
Though no I/O errors occur with fully-provisioned snapshots, unsharing of extents does not
happen at or above 4TB offset.
Applicable to VG version 2.2.
QXCR1001256843
When HFS is configured as root file system, the following panic might occur when LVM MMB
boot (Maintenance Mode Boot, that is booted with option hpux -lm) is attempted:
HPUX> boot -lm
…
panic: Fault when executing in kernel mode
Stack Trace:
IP Function Name
0xe0000000023539e0 bad_kern_reference+0xa0
0xe000000000747dd0 $cold_vfault+0x620
0xe000000000f23df0 vm_hndlr+0x4b0
0xe000000001f5a780 bubbledown+0x0
0xe000000000f53171 lv_readahead_info+0xd1
0xe000000000f05340 ufs_rdwr+0x700
0xe000000001022dc0 vn_rdwr+0xe0
0xe00000000102b530 read_ex_data+0x170
0xe000000000dfe2c0 execve+0x11a0
0xe000000000ed30a0 syscall+0x5d0
End of Stack Trace
Applicable to VG version 1.0.
QXCR1001272878
The system might panic with the following stack trace during the pvmove operation due to
the race condition with LV open or close operation of the associated LVs (that is, LVs having
extents on source PV of the pvmove).
panic: lv_pause
Stack Trace:
IP Function Name
0xe0000001e11bf8d0 lvmp_pause+0xd0
0xe0000001e10ea180 lvmp_pxmove1+0x11e0
0xe0000001e10ed9e0 lvmp_pxmove+0xe0
0xe0000001e11d6ce0 lvmp_ioctl+0x8ea0
0xe000000000d66a30 spec_ioctl+0xf0
0xe000000000dd4990 vno_ioctl+0x350
0xe000000000e09f90 ioctl+0x410
0xe000000000edf7a0 syscall+0x5b0
End of Stack Trace
Applicable to VG version 1.0 and all 2.x versions.
QXCR1001273274
Extraneous messages from the lvmpud daemon in syslog that cannot be turned off using
the log levels.
lvmpud[2203]: Read task ticket=6 type=1
lvmpud[2203]: Process task ticket=6 type=1
lvmpud[2203]: Complete task ticket=6 type=1 status=0
Not dependent on VG version.
QXCR1001282416
The pvmove command core dumps while trying to move extents of a physical volume (PV)
that are allocated to a logical volume (LV) with LV device minor number 224 or higher for
version 1.0 volume groups and LV device minor number 2016 or higher for version 2.x
volume groups.
Applicable to VG version 1.0 and all 2.x versions.
QXCR1001254853
6 Logical Volume Manager and MirrorDisk/UX Release Notes