RHBA-2011:0772 - Bug Fix Advisory

Topic

Updated lvm2 packages that fix several bugs and add enhancements are now
available.

Description

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

This update applies the following bug fixes:

• Fixes a possible endless loop in cache. (BZ #683689)
• Fixes a deadlock while removing last exclusive snapshot in cluster. (BZ

#677739)

• Fixes a boot failure on big-endian architectures. (BZ #675744)
• Adds device-mapper library support for wiping ioctl buffers in kernel. (BZ

#674823, BZ #687857)

• Improves insufficient free space message for lvcreate. (BZ #672617)
• Fixes the use of --addtag --deltag arguments for pvchange in cluster. (BZ

#660471)

• Adds support for multiple --addtag or multiple --deltag arguments for

pvchange. (BZ #660467)

• Adds lvm2app support for querying float attributes. (BZ #654441)
• Fixes lvcreate to not exit incorrectly with a failure if --test option is

used. (BZ #649334)

• Fixes vgs to not limit the number of tags displayed. (BZ #648219)
• Adds a possibility to use --addtag and --deltag arguments in one command. (BZ

#647167)

• Fixes I/O errors for merged snapshots on boot. (BZ #645488)
• Adds a new global/metadata_read_only configuration option to disallow any

operations changing metadata. (BZ #642938)

• Fixes a possible error in processing a regular expression used in device

filter. (BZ #642575)

• Fixes incorrect detection of mounted filesystem in fsadm script. (BZ #638052,

BZ #652200)

• Adds scalability improvements. (BZ #636006)
• Clarifies the description in lvconvert man page. (BZ #635949)
• Adds support for /, =, !, :, #, & in tags. (BZ #634349)
• Fixes an issue where adding VG tags left metadata corrupted. (BZ #633033)
• Adds support for multiple --addtag and --deltag arguments within a single

command. (BZ #633018)

• Adds support for up to 1024 characters in LV tags. (BZ #633013)
• Fixes cmirrord init script to not fail if it is already started. (BZ #632681)
• Fixes a failure in mirror log allocation if a device failure in the log is

encountered. (BZ #625192)

• Fixes an issue that caused a mirror log to be removed while replacing the

failed mirror image. (BZ #625135)

• Fixes pvremove to not show 'No physical volume label read' message when

removing PVs with no metadata copies in one pvremove command. (BZ #623218)

• Fixes lvconvert to honour the --yes and --force options. (BZ #621281)
• Fixes a regression where a non-root user could not view LVM2 devices. (BZ

#620571)

• Fixes a failure in rename during metadata archive and backup handling. (BZ

#615907)

• Includes hooks for querying and setting pvs, vgs and lvs report fields in

lvm2app. (BZ #614049)

• Fixes an issue where a mirror containing snapshot volumes could end up with

I/O hung if there was a failed device. (BZ #613829)

• Fixes clvmd to clean up dlm lockspace if clvmd restart is invoked. (BZ

#612862)

• Adds a possibility to use the allocate fault policy for mirrored logs. (BZ

#607334)

• Disallows adding a mirror log and removing mirror images (or vice versa) in

one step while specifying PVs.(BZ #603912, BZ #602748)

• Clarifies a message about pvmove operation if another process finishes or

aborts it. (BZ #602389)

• Improves lvscan man page to describe possible output values. (BZ #601740)
• Disallows converting a mirrored log to core log along with image conversion

while specifying PVs. (BZ #601383)

• Fixes an issue with clustered mirrors and very slow I/O. (BZ #595507)
• Adds support for exclusively activating snapshots of clustered logical

volumes. (BZ #527186)

• Adds new -f option to clvmd to run it in foreground. (BZ #596352)
• Fixes clvmd init script to comply with LSB and Red Hat init script guidelines.

(BZ #553381)

• Reduces delays by avoiding scans on failed devices

(devices/disable_after_error_count configuration option). (BZ #525972)

• Adds support for snapshots of a mirror. (BZ #525957)
• Adds support for striped mirrors. (BZ #510292)
• Adds 'cling by tags' allocation policy. (BZ #504871)

Users are advised to upgrade to these updated lvm2 packages, which resolve these
issues 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
http://kbase.redhat.com/faq/docs/DOC-11259

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 Server - Extended Life Cycle Support 6 i386
• 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 Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x
• 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 Extension 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6 s390x

Fixes

• BZ - 504871 - Add 'cling by tags' alloc policy so mirrored LV legs are not extended onto devices in different datacentres
• BZ - 527186 - [RFE] Add support for exclusively activating snapshots of clustered logical volumes
• BZ - 553381 - clvmd initscript [LSB|FedoraGuidelines] compliance
• BZ - 595507 - basic I/O to cmirrors hangs and causes backtraces
• BZ - 596352 - clvmd -d 2 does not fork
• BZ - 601383 - converting a redundant log mirror to core log with insufficient devs results in an over concerned warning
• BZ - 601740 - [RFE] Improve man page documentation of LVM states
• BZ - 602389 - pvmove produces scary error message on normal exit
• BZ - 602748 - mirror leg down conversion during log up conversion leads to issues when specifying devs to be removed
• BZ - 603912 - RFE: add flag opts for pvs specification when mirror converting
• BZ - 607334 - allocate log fault policy doesn't work for redundant mirrored logs losing one device
• BZ - 612862 - clvmd does not clean dlm lockspace on -S restart
• BZ - 613829 - device failure on a mirror containing snapshot volumes doesn't work
• BZ - 614049 - Add lvm2app APIs to query all pvs/vgs/lvs report fields and set values as with {pv|vg|lv}change
• BZ - 615907 - [lvm2] failure in lvm: rename failed: File exists\n
• BZ - 620571 - non root user can no longer view lvm devices
• BZ - 621281 - lvconvert appears to ignore the --yes and --force options
• BZ - 623218 - odd " No physical volume label" message when removing multiple --metadatacopies=0 devices
• BZ - 625135 - lvm mirror: mirror log disappears with policies (leg=allocate, log=remove) after error recovery
• BZ - 625192 - mirror leg allocation fails when 1/3 legs is failed along with 1/2 logs
• BZ - 632681 - cmirrord shouldn't "fail" to start if it's already started
• BZ - 633013 - [RFE] support for 1024 chars in lv tags
• BZ - 633018 - [RFE] Support multiple --addtag and --deltag arguments within a single command
• BZ - 633033 - vgchange --addtag leaves VG metadata corrupted
• BZ - 634349 - [RFE] Support base64 encoding chars in tags "/' and "="
• BZ - 635949 - lvconvert man page correction
• BZ - 638052 - online resize of LV/ext4 corrupts data
• BZ - 642575 - LVM filter regex causes lvm commands to fail
• BZ - 642938 - LVM "read only" commands change VG metadata if mda copies are not equal
• BZ - 645488 - Merged snapshot still present and throwing I/O errors after reboot
• BZ - 647167 - vgchange refuses to atomically combine --addtag and --deltag
• BZ - 648219 - vgs fails to display tags when there are many of them
• BZ - 649334 - lvcreate --test reports error that appears that test failed
• BZ - 652200 - fsadm does not check Ext filesystem with force flag before resize
• BZ - 654441 - lvm2app: API for querying "float" (percent) attributes
• BZ - 660467 - pvchange refuses to atomically combine --addtag and --deltag
• BZ - 660471 - Support multiple --addtag and --deltag arguments within a single pvchange cluster command
• BZ - 672617 - [RFE] improve error message when lvcreate fails to create an LV (snapshot or otherwise).
• BZ - 675744 - System fails to boot after upgrade, rootfs on LVM not found
• BZ - 677739 - removing final exclusive cmirror snapshot, results in clvmd deadlock
• BZ - 683689 - endless looping in _free_vginfo
• BZ - 687857 - Misleading warnings "Secure data flag unsupported by kernel."

CVEs

(none)

References

(none)