lvm2 bug fix and enhancement update

Updated lvm2 packages that fix several bugs and add various enhancements are now
available for Red Hat Enterprise Linux 6.

The lvm2 packages provide support for Logical Volume Management (LVM).

The updated lvm2 packages include numerous bug fixes and enhancements. Space
precludes documenting all of these changes in this advisory. Users are directed
to the Red Hat Enterprise Linux 6.4 Technical Notes for information on the most
significant of these changes:

https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.4_Technical_Notes/lvm2.html

Users of lvm2 are advised to upgrade to these updated packages, which fix these
bugs and add these enhancements.

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

563927 - Potential for deadlock when snapshots are taken of mirrors
619574 - failing both redundant mirror logs can cause inconsistent log allocation results
636001 - [RFE] LVM operations should not scan all devices
644752 - pvs command takes p_global lock and serializes other (even unrelated) pvs commands
730289 - clvmd not working properly if multiple clients talk to clvmd (part1)
732124 - 2-leg mirrored filesystem turned read only after primary image and primary log leg device both fail
800801 - Device stack including LVM and multipath should be properly deactivated on shutdown
801571 - manual raid volume repair can fail after single leg device failure
803271 - lvmetad udev rules deadlocks pvmove in cluster
813766 - Do not try to use lvmetad during early system init stage
814732 - Extend lvconvert to construct thin pools from pre-formatted LVs
814766 - Provide configurable discard options for thin volumes
814777 - Ensure lvrename handles all types of thin LVs sensibly
814782 - Handle different client filters / missing devices in lvmetad
814824 - Support thin pools with non-power-of-2 block sizes between 64K and 1G, in 64K increments
817866 - Fine-grained device activation control
820116 - vgcfgrestore fails with division by zero if PV with zero length present in VG
820229 - fail to rename the thin LV
821007 - cling allocation policy should never split data across PVs
822243 - raid volumes should not be created on cluster VGs
822248 - VG containing raid volume should not be allowed to be converted to a clustered VG
823660 - Improve lvmetad logging, add optional debug logging
823667 - Implement an on-demand dump of lvmetad state
823918 - lvconvert segfault while polling for completion and lvmetad stopped at the same time
825323 - mirror image + mirror log image device failures on multiple mirrors leads to I/O errors
829221 - RFE: automatically restore PV from MISSING state after it becomes reachable again if it has no active MDA (ignoremetadata is true)
832033 - Operations with '--test' switch visible when lvmetad is on, on disk metadata are not modified
832392 - pvmove cannot be used with lvm.conf option issue_discards
832596 - --alloc anywhere only works with raid1, not raid4, raid5, or raid6
833180 - linear to striped raid conversion 'not supported' message doesn't make sense
834031 - RFE: Give better error messages when using the wrong stripe (-i) or mirror (-m) option with wrong raid type
834703 - unable to extend a striped raid (4|5|6)
836381 - upconverting raid volumes can fail due to suspend issues
836391 - nosync raid upconverts w/o initial resync
836653 - raid1 mirror reduction finishes "successfully" even though it failed to reduce the legs
836663 - vgname missing from pvs output when PV contains ignored mda
837093 - nosync mirror|raid attribute removal during down and up convert
837098 - resync doesnt appear to actually resync a raid mirror
837114 - --test mode shouldn't fail when the create should work
837599 - [lvmetad] vgscan --cache does not flush information in lvmetad first
837603 - [lvmetad] Metadata not rescanned after lvmetad is disabled and enabled in lvm.conf
837927 - RAID: inability to create, extend or convert to a large (> 1TiB) RAID LV
839796 - pvmove is inconsistent and gives misleading message for raid
839811 - Invalid snapshot incorrectly set the first attribute flag to 'S'
842019 - multiple raid options shouldn't be allowed (-i + -m) with types raid[1|4|5|6]
843546 - LVM RAID: unable to add PV to VG when no spares exist during RAID LV device failure
844492 - LVM RAID: Support 2-way mirror RAID10
845269 - [lvmetad] Clients segfaulting on incorrect repsone from lvmetad
852812 - Automatic umount (in theory) of full thinp snapshots (in one of the many cases that exist)
855171 - thinpool volume mirror conversion attempt fails
855179 - virtual thinpool origin volume mirror conversion attempt fails
855180 - attempting to change the thin pool volume to read-only should not be allowed if not supported
855398 - CLVM: Stacking volume groups on cluster mirrors does not work
855444 - RHEL6.4 builds hang
855964 - enhance the man page to better explain the parity device wrt -i stripe flag
857060 - lvchange --resync not working correctly on mirrored LVs
857554 - segfault in dmeventd, lvremove, vgreduce when removing part of an LV on a missing PV with issue_discards enabled
858874 - Segmentation fault after performing lvconvert --thinpool vg/thick
860338 - Cannot activate volume group that is on a read-only disk
861456 - mirrored thin pool volume creation attempt ignores --thinpool flag
861841 - lvm2app.h declares float lvm_percent_to_float(percent_t v) but linking fails
861843 - lvm2app value = lvm_lv_get_property(lvmLV, "snap_percent") segfaults on thin snapshots
862095 - liblvm2app: property "data_percent" returns -1 for thin volumes
862253 - [lvmetad] deadlock
862319 - [lvmetad] 'pvscan --cache' silently drops all metadata
863401 - [lvmetad] lvm1 type metadata: pvs cycling after vgscan --cache, vgs not showing the LVM1 type VG
863881 - liblvm2app: property "origin" returns "" for thin snapshots
865035 - lvchange/vgchange: --[add|del]tag arguments should be allowed when the LV/VG is partial
865850 - LVM RAID: Sync state of RAID 4/5/6 not displayed by 'lvs' (or anything else)
866678 - raid10 create appears to use default striping of (-i 1), which causes the create to fail
869254 - /dev/mapper/mpathX is block device not symbolic link
869402 - thin pool lvconvert man page example is missing the ''--poolmetadata" flag
870248 - Volumes for thin provisioning pools are not monitored on activation
870534 - LVM tool aborted while using --config to override existing use_lvmetad setting
871058 - lvmetad crashes when making many snaps of thinp origin
871220 - liblvm2app: property "chunksize" fails with error message
872364 - LVM RAID10: 'lvconvert --splitmirrors' should fail cleanly on RAID10 LVs
877811 - lvconvert --repair ignores -f option when -y option is used
883342 - Various additional fixes for thin provisioning support
883416 - Need a way to easily fallback to non-udev operation in libdevmapper/lvm2
884621 - Creating snapshot of inactive LV fails: One or more specified logical volume(s) not found.
885811 - [lvmetad] segfaulting with upstream LVM2 (w/ patch attached)
885993 - Memory leak in _parse_mirror_status
887228 - deadlock in lvmetad
889454 - LVs are autoactivated when they should not
889469 - Properly synchronize with udev and do not leave dangling synchronization cookies if pvscan --cache -aay is used (autoactivation)
891855 - [lvmetad] [lvm1] removing snapshot says "Internal error: LV snap_with_lvm1_meta (00000000000000000000000000000001) missing from preload metadata."

https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.4_Technical_Notes/lvm2.html