RHBA-2013:0501 - Bug Fix Advisory

Topic

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

Description

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.

Solution

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

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64
• Red Hat Enterprise Linux Resilient Storage for x86_64 6 x86_64
• Red Hat Enterprise Linux Resilient Storage for x86_64 6 i386
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 i386
• Red Hat Enterprise Linux Resilient Storage (for RHEL Server) from RHUI 6 x86_64
• Red Hat Enterprise Linux Resilient Storage (for RHEL Server) from RHUI 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

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

CVEs

(none)

References

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