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WHATS_NEW
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Version 2.02.185 -
==================================
Add missing Before=shutdown.target to LVM2 services to fix shutdown ordering.
Version 2.02.184 - 22nd March 2019
==================================
Fix (de)activation of RaidLVs with visible SubLVs
Change scan_lvs default to 0 so LVs are not scanned for PVs.
Add scan_lvs config setting to control if lvm scans LVs for PVs.
Fix missing proper initialization of pv_list struct when adding pv.
Version 2.02.183 - 07th December 2018
=====================================
Avoid disabling lvmetad when repair does nothing.
Fix component detection for md version 0.90.
Use sync io if async io_setup fails, or use_aio=0 is set in config.
Avoid opening devices to get block size by using existing open fd.
Version 2.02.182 - 30th October 2018
====================================
Fix possible write race between last metadata block and the first extent.
Fix filtering of md 1.0 devices so they are not seen as duplicate PVs.
Fix lvconvert striped/raid0/raid0_meta -> raid6 regression.
Add After=rbdmap.service to {lvm2-activation-net,blk-availability}.service.
Fix pvs with lvmetad to avoid too many open files from filter reads.
Fix pvscan --cache to avoid too many open files from filter reads.
Reduce max concurrent aios to avoid EMFILE with many devices.
Fix lvconvert conversion attempts to linear.
Fix lvconvert raid0/raid0_meta -> striped regression.
Fix lvconvert --splitmirror for mirror type (2.02.178).
Do not pair cache policy and cache metadata format.
Fix mirrors honoring read_only_volume_list.
Version 2.02.181 - 01 August 2018
=================================
Reject conversions on raid1 LVs with split tracked SubLVs.
Reject conversions on raid1 split tracked SubLVs.
Fix dmstats list failing when no regions exist.
Reject conversions of LVs under snapshot.
Limit suggested options on incorrect option for lvconvert subcommand.
Version 2.02.180 - 19th July 2018
=================================
Never send any discard ioctl with test mode.
Fix thin-pool alloc which needs same PV for data and metadata.
Extend list of non-memlocked areas with newly linked libs.
Enhance vgcfgrestore to check for active LVs in restored VG.
lvconvert: provide possible layouts between linear and striped/raid
Fix unmonitoring of merging snapshots.
Add missing -l description in fsadm man page.
Cache can uses metadata format 2 with cleaner policy.
Avoid showing internal error in lvs output or pvmoved LVs.
Fix check if resized PV can also fit metadata area.
Reopen devices RDWR only before writing to avoid udev issues.
Change pvresize output confusing when no resize took place.
Fix lvmetad hanging on shutdown.
Fix mem leak in clvmd and more coverity issues.
Version 2.02.179 - 18th June 2018
=================================
Allow forced vgchange to lock type none on clustered VG.
Add the report field "shared".
Enable automatic metadata consistency repair on a shared VG.
Fix pvremove force on a PV with a shared VG.
Fixed vgimportclone of a PV with a shared VG.
Enable previously disallowed thin/cache commands in shared VGs.
Enable metadata-related changes on LVs active with shared lock.
Do not continue trying to use a device that cannot be opened.
Fix problems opening a device that fails and returns.
Use versionsort to fix archive file expiry beyond 100000 files.
Version 2.02.178 - 13th June 2018
=================================
Version 2.02.178-rc1 - 24th May 2018
====================================
Add libaio dependency for build.
Remove lvm1 and pool format handling and add filter to ignore them.
Move some filter checks to after disks are read.
Rework disk scanning and when it is used.
Add new io layer and shift code to using it.
Fix lvconvert's return code on degraded -m raid1 conversion.
--enable-testing switch for ./configure has been removed.
--with-snapshots switch for ./configure has been removed.
--with-mirrors switch for ./configure has been removed.
--with-raid switch for ./configure has been removed.
--with-thin switch for ./configure has been removed.
--with-cache switch for ./configure has been removed.
Include new unit-test framework and unit tests.
Extend validation of region_size for mirror segment.
Reload whole device stack when reinitilizing mirror log.
Mirrors without monitoring are WARNING and not blocking on error.
Detect too big region_size with clustered mirrors.
Fix evaluation of maximal region size for mirror log.
Enhance mirror log size estimation and use smaller size when possible.
Fix incorrect mirror log size calculation on 32bit arch.
Enhance preloading tree creating.
Fix regression on acceptance of any LV on lvconvert.
Restore usability of thin LV to be again external origin for another thin.
Keep systemd vars on change event in 69-dm-lvm-metad.rules for systemd reload.
Write systemd and non-systemd rule in 69-dm-lvm-metad.rules, GOTO active one.
Add test for activation/volume_list (Sub)LV remnants.
Disallow usage of cache format 2 with mq cache policy.
Again accept striped LV as COW LV with lvconvert -s (2.02.169).
Fix raid target version testing for supported features.
Allow activation of pools when thin/cache_check tool is missing.
Remove RaidLV on creation failure when rmeta devices can't be activated.
Add prioritized_section() to restore cookie boundaries (2.02.177).
Enhance error messages when read error happens.
Enhance mirror log initialization for old mirror target.
Skip private crypto and stratis devices.
Skip frozen raid devices from scanning.
Activate RAID SubLVs on read_only_volume_list readwrite.
Offer convenience type raid5_n converting to raid10.
Automatically avoid reading invalid snapshots during device scan.
Ensure COW device is writable even for read-only thick snapshots.
Support activation of component LVs in read-only mode.
Extend internal library to recognize and work with component LV.
Skip duplicate check for active LV when prompting for its removal.
Activate correct lock holding LV when it is cached.
Do not modify archived metadata when removing striped raid.
Fix memleak on error path when obtaining lv_raid_data_offset.
Fix compatibility size test of extended external origin.
Add external_origin visiting in for_each_sub_lv().
Ensure cluster commands drop their device cache before locking VG.
Do not report LV as remotely active when it's locally exclusive in cluster.
Add deprecate messages for usage of mirrors with mirrorlog.
Separate reporting of monitoring status and error status.
Improve validation of created strings in vgimportclone.
Add missing initialisation of mem pool in systemd generator.
Do not reopen output streams for multithreaded users of liblvm.
Configure ensures /usr/bin dir is checked for dmpd tools.
Restore pvmove support for wide-clustered active volumes (2.02.177).
Avoid non-exclusive activation of exclusive segment types.
Fix trimming sibling PVs when doing a pvmove of raid subLVs.
Preserve exclusive activation during thin snaphost merge.
Avoid exceeding array bounds in allocation tag processing.
Add --lockopt to common options and add option to skip selected locks.
Version 2.02.177 - 18th December 2017
=====================================
When writing text metadata content, use complete 4096 byte blocks.
Change text format metadata alignment from 512 to 4096 bytes.
When writing metadata, consistently skip mdas marked as failed.
Refactor and adjust text format metadata alignment calculation.
Fix python3 path in lvmdbusd to use value detected by configure.
Reduce checks for active LVs in vgchange before background polling.
Ensure _node_send_message always uses clean status of thin pool.
Fix lvmlockd to use pool lock when accessing _tmeta volume.
Report expected sanlock_convert errors only when retries fail.
Avoid blocking in sanlock_convert on SH to EX lock conversion.
Deactivate missing raid LV legs (_rimage_X-missing_Y_Z) on decativation.
Skip read-modify-write when entire block is replaced.
Categorise I/O with reason annotations in debug messages.
Allow extending of raid LVs created with --nosync after a failed repair.
Command will lock memory only when suspending volumes.
Merge segments when pvmove is finished.
Remove label_verify that has never been used.
Ensure very large numbers used as arguments are not casted to lower values.
Enhance reading and validation of options stripes and stripes_size.
Fix printing of default stripe size when user is not using stripes.
Activation code for pvmove automatically discovers holding LVs for resume.
Make a pvmove LV locking holder.
Do not change critical section counter on resume path without real resume.
Enhance activation code to automatically suspend pvmove participants.
Prevent conversion of thin volumes to snapshot origin when lvmlockd is used.
Correct the steps to change lock type in lvmlockd man page.
Retry lock acquisition on recognized sanlock errors.
Fix lock manager error codes in lvmlockd.
Remove unnecessary single read from lvmdiskscan.
Check raid reshape flags in vg_validate().
Add support for pvmove of cache and snapshot origins.
Avoid using precommitted metadata for suspending pvmove tree.
Ehnance pvmove locking.
Deactivate activated LVs on error path when pvmove activation fails.
Add "io" to log/debug_classes for logging low-level I/O.
Eliminate redundant nested VG metadata in VG struct.
Avoid importing persistent filter in vgscan/pvscan/vgrename.
Fix memleak of string buffer when vgcfgbackup runs in secure mode.
Do not print error when clvmd cannot find running clvmd.
Prevent start of new merge of snapshot if origin is already being merged.
Fix offered type for raid6_n_6 to raid5 conversion (raid5_n).
Deactivate sub LVs when removing unused cache-pool.
Do not take backup with suspended devices.
Avoid RAID4 activation on incompatible kernels under all circumstances.
Reject conversion request to striped/raid0 on 2-legged raid4/5.
Version 2.02.176 - 3rd November 2017
====================================
Keep Install section only in lvm2-{lvmetad,lvmpolld}.socket systemd unit.
Fix segfault in lvm_pv_remove in liblvm. (2.02.173)
Do not allow storing VG metadata with LV without any segment.
Fix printed message when thin snapshot was already merged.
Remove created spare LV when creation of thin-pool failed.
Avoid reading ignored metadata when mda gets used again.
Fix detection of moved PVs in vgsplit. (2.02.175)
Ignore --stripes/--stripesize on RAID takeover
Improve used paths for generated systemd units and init shells.
Disallow creation of snapshot of mirror/raid subLV (was never supported).
Fix regression in more advanced vgname extraction in lvconvert (2.02.169).
Allow lvcreate to be used for caching of _tdata LV.
Avoid internal error when resizing cache type _tdata LV (not yet supported).
Show original converted names when lvconverting LV to pool volume.
Move lib code used only by liblvm into metadata-liblvm.c.
Distinguish between device not found and excluded by filter.
Monitor external origin LVs.
Remove the replicator code, including configure --with-replicators.
Allow lvcreate --type mirror to work with 100%FREE.
Improve selection of resource name for complex volume activation lock.
Avoid cutting first character of resource name for activation lock.
Support for encrypted devices in fsadm.
Improve thin pool overprovisioning and repair warning messages.
Fix incorrect adjustment of region size on striped RaidLVs.
Version 2.02.175 - 6th October 2017
===================================
Use --help with blockdev when checking for --getsize64 support in fsadm.
Dump lvmdbusd debug information with SIGUSR1.
Fix metadata corruption in vgsplit and vgmerge intermediate states.
Add PV_MOVED_VG PV status flag to mark PVs moving between VGs.
Fix lvmdbus hang and recognise unknown VG correctly.
Improve error messages when command rules fail.
Require LV name with pvmove in a shared VG.
Allow shared active mirror LVs with lvmlockd, dlm, and cmirrord.
Support lvconvert --repair with cache and cachepool volumes.
lvconvert --repair respects --poolmetadataspare option.
Mark that we don't plan to develop liblvm2app and python bindings any further.
Fix thin pool creation in shared VG. (2.02.173)
Version 2.02.174 - 13th September 2017
======================================
Prevent raid1 split with trackchanges in a shared VG.
Avoid double unlocking of client & lockspace mutexes in lvmlockd.
Fix leaking of file descriptor for non-blocking filebased locking.
Fix check for 2nd mda at end of disk fits if using pvcreate --restorefile.
Use maximum metadataarea size that fits with pvcreate --restorefile.
Always clear cached bootloaderarea when wiping label e.g. in pvcreate.
Disallow --bootloaderareasize with pvcreate --restorefile.
Fix lvmlockd check for running lock managers during lock adoption.
Add --withgeneralpreamble and --withlocalpreamble to lvmconfig.
Improve makefiles' linking.
Fix some paths in generated makefiles to respected configured settings.
Add warning when creating thin-pool with zeroing and chunk size >= 512KiB.
Introduce exit code 4 EINIT_FAILED to replace -1 when initialisation fails.
Add synchronization points with udev during reshape of raid LVs.
Version 2.02.173 - 20th July 2017
=================================
Add synchronization points with udev during conversion of raid LVs.
Improve --size args validation and report more detailed error message.
Initialize debugging mutex before any debug message in clvmd.
Log error instead of warn when noticing connection problem with lvmetad.
Fix memory leak in lvmetad when working with duplicates.
Remove restrictions on reshaping open and clustered raid devices.
Add incompatible data_offset to raid metadata to fix reshape activation.
Accept 'lvm -h' and 'lvm --help' as well as 'lvm help' for help.
Suppress error message from accept() on clean lvmetad shutdown.
Tidy clvmd client list processing and fix segfaults.
Protect clvmd debug log messages with mutex and add client id.
Fix shellcheck reported issues for script files.
Version 2.02.172 - 28th June 2017
=================================
Add missing NULL to argv array when spliting cmdline arguments.
Add display_percent helper function for printing percent values.
lvconvert --repair handles failing raid legs (present but marked 'D'ead).
Do not lvdisplay --maps unset settings of cache pool.
Fix lvdisplay --maps for cache pool without policy settings.
Support aborting of flushing cache LV.
Reenable conversion of data and metadata thin-pool volumes to raid.
Improve raid status reporting with lvs.
No longer necessary to '--force' a repair for RAID1.
Linear to RAID1 upconverts now use "recover" sync action, not "resync".
Improve lvcreate --cachepool arg validation.
Limit maximum size of thin-pool for specific chunk size.
Print a warning about in-use PVs with no VG using them.
Disable automatic clearing of PVs that look like in-use orphans.
Cache format2 flag is now using segment name type field.
Support storing status flags via segtype name field.
Stop using '--yes' mode when fsadm runs without terminal.
Extend validation of filesystems resized by fsadm.
Enhance lvconvert automatic settings of possible (raid) LV types.
Allow lvchange to change properties on a thin pool data sub LV.
Fix lvcreate extent percentage calculation for mirrors.
Don't reinstate still-missing devices when correcting inconsistent metadata.
Properly handle subshell return codes in fsadm.
Disallow cachepool creation with policy cleaner and mode writeback.
Version 2.02.171 - 3rd May 2017
===============================
Fix memory warnings by using mempools for command definition processing.
Fix running commands from a script file.
Add pvcreate prompt when device size doesn't match setphysicalvolumesize.
lvconvert - preserve region size on raid1 image count changes
Adjust pvresize/pvcreate messages and prompt if underlying dev size differs.
raid - sanely handle insufficient space on takeover.
Fix configure --enable-notify-dbus status message.
Change configure option name prefix from --enable-lockd to --enable-lvmlockd.
lvcreate - raise mirror/raid default regionsize to 2MiB
Add missing configurable prefix to configuration file installation directory.
Version 2.02.170 - 13th April 2017
==================================
Introduce global/fsadm_executable to make fsadm path configurable.
Look for limited thin pool metadata size when using 16G metadata.
Add lvconvert pool creation rule disallowing options with poolmetadata.
Fix lvconvert when the same LV is incorrectly reused in options.
Fix lvconvert VG name validation in option values.
Fix missing lvmlockd LV locks in lvchange and lvconvert.
Fix dmeventd setup for lvchange --poll.
Fix use of --poll and --monitor with lvchange and vgchange.
Disallow lvconvert of hidden LV to a pool.
Ignore --partial option when not used for activation.
Allow --activationmode option with lvchange --refresh.
Better message on lvconvert --regionsize
Allow valid lvconvert --regionsize change
Add raid10 alias raid10_near
Handle insufficient PVs on lvconvert takeover
Fix SIGINT blocking to prevent corrupted metadata
Fix systemd unit existence check for lvmconf --services --startstopservices.
Check and use PATH_MAX buffers when creating vgrename device paths.
Version 2.02.169 - 28th March 2017
==================================
Automatically decide whether '-' in a man page is a hyphen or a minus sign.
Add build-time configuration command line to 'lvm version' output.
Handle known table line parameter order change in specific raid target vsns.
Conditionally reject raid convert to striped/raid0* after reshape.
Ensure raid6 upconversion restrictions.
Adjust mirror & raid dmeventd plugins for new lvconvert --repair behaviour.
Disable lvmetad when lvconvert --repair is run.
Remove obsolete lvmchange binary - convert to built-in command.
Show more information for cached volumes in lvdisplay [-m].
Add option for lvcreate/lvconvert --cachemetadataformat auto|1|2.
Support cache segment with configurable metadata format.
Add allocation/cache_metadata_format profilable settings.
Use function cache_set_params() for both lvcreate and lvconvert.
Skip rounding on cache chunk size boudary when create cache LV.
Improve cache_set_params support for chunk_size selection.
Fix metadata profile allocation/cache_[mode|policy] setting.
Fix missing support for using allocation/cache_pool_chunk_size setting.
Upstream git moved to https://sourceware.org/git/?p=lvm2
Support conversion of raid type, stripesize and number of disks
Reject writemostly/writebehind in lvchange during resynchronization.
Deactivate active origin first before removal for improved workflow.
Fix regression of accepting both --type and -m with lvresize. (2.02.158)
Add lvconvert --swapmetadata, new specific way to swap pool metadata LVs.
Add lvconvert --startpoll, new specific way to start polling conversions.
Add lvconvert --mergethin, new specific way to merge thin snapshots.
Add lvconvert --mergemirrors, new specific way to merge split mirrors.
Add lvconvert --mergesnapshot, new specific way to combine cow LVs.
Split up lvconvert code based on command definitions.
Split up lvchange code based on command definitions.
Generate help output and man pages from command definitions.
Verify all command line items against command definition.
Match every command run to one command definition.
Specify every allowed command definition/syntax in command-lines.in.
Add extra memory page when limiting pthread stack size in clvmd.
Support striped/raid0* <-> raid10_near conversions.
Support shrinking of RaidLVs.
Support region size changes on existing RaidLVs.
Avoid parallel usage of cpg_mcast_joined() in clvmd with corosync.
Support raid6_{ls,rs,la,ra}_6 segment types and conversions from/to it.
Support raid6_n_6 segment type and conversions from/to it.
Support raid5_n segment type and conversions from/to it.
Support new internal command _dmeventd_thin_command.
Introduce new dmeventd/thin_command configurable setting.
Use new default units 'r' for displaying sizes.
Also unmount mount point on top of MD device if using blkdeactivate -u.
Restore check preventing resize of cache type volumes (2.02.158).
Add missing udev sync when flushing dirty cache content.
vgchange -p accepts only uint32 numbers.
Report thin LV date for merged LV when the merge is in progress.
Detect if snapshot merge really started before polling for progress.
Checking LV for merging origin requires also it has merged snapshot.
Extend validation of metadata processing.
Enable usage of cached volumes as snapshot origin LV.
Fix displayed lv name when splitting snapshot (2.02.146).
Warn about command not making metadata backup just once per command.
Enable usage of cached volume as thin volume's external origin.
Support cache volume activation with -real layer.
Improve search of lock-holder for external origin and thin-pool.
Support status checking of cache volume used in layer.
Avoid shifting by one number of blocks when clearing dirty cache volume.
Extend metadata validation of external origin LV use count.
Fix dm table when the last user of active external origin is removed.
Improve reported lvs status for active external origin volume.
Fix table load for splitted RAID LV and require explicit activation.
Always active splitted RAID LV exclusively locally.
Do not use LV RAID status bit for segment status.
Check segtype directly instead of checking RAID in segment status.
Reusing exiting code for raid image removal.
Fix pvmove leaving -pvmove0 error device in clustered VG.
Avoid adding extra '_' at end of raid extracted images or metadata.
Optimize another _rmeta clearing code.
Fix deactivation of raid orphan devices for clustered VG.
Fix lvconvert raid1 to mirror table reload order.
Add internal function for separate mirror log preparation.
Fix segfault in lvmetad from missing NULL in daemon_reply_simple.
Simplify internal _info_run() and use _setup_task_run() for mknod.
Better API for internal function _setup_task_run.
Avoid using lv_has_target_type() call within lv_info_with_seg_status.
Simplify internal lv_info_with_seg_status API.
Decide which status is needed in one place for lv_info_with_seg_status.
Fix matching of LV segment when checking for it info status.
Report log_warn when status cannot be parsed.
Test segment type before accessing segment members when checking status.
Implement compatible target function for stripe segment.
Use status info to report merge failed and snapshot invalid lvs fields.
Version 2.02.168 - 30th November 2016
=====================================
Display correct sync_percent on large RaidLVs
lvmdbusd --blackboxsize <n> added, used to override default size of 16
Allow a transiently failed RaidLV to be refreshed
Use lv_update_and_reload() inside mirror code where it applies.
Preserve mirrored status for temporary layered mirrors.
Use transient raid check before repairing raid volume.
Implement transient status check for raid volumes.
Only log msg as debug if lvm2-lvmdbusd unit missing for D-Bus notification.
Avoid duplicated underscore in name of extracted LV image.
Missing stripe filler now could be also 'zero'.
lvconvert --repair accepts --interval and --background option.
More efficiently prepare _rmeta devices when creating a new raid LV.
Version 2.02.167 - 5th November 2016
====================================
Use log_error in regex and sysfs filter to describe reason of failure.
Fix blkdeactivate to deactivate dev stack if dev on top already unmounted.
Prevent non-synced raid1 repair unless --force
Prevent raid4 creation/conversion on non-supporting kernels
Add direct striped -> raid4 conversion
Fix raid4 parity image pair position on conversions from striped/raid0*
Fix a few unconverted return code values for some lvconvert error path.
Disable lvconvert of thin pool to raid while active.
Disable systemd service start rate limiting for lvm2-pvscan@.service.
Version 2.02.166 - 26th September 2016
======================================
Fix lvm2-activation-generator to read all LVM2 config sources. (2.02.155)
Fix lvchange-rebuild-raid.sh to cope with older target versions.
Use dm_config_parse_without_dup_node_check() to speedup metadata reading.
Fix lvconvert --repair regression
Fix reported origin lv field for cache volumes. (2.02.133)
Always specify snapshot cow LV for monitoring not internal LV. (2.02.165)
Fix lvchange --discard|--zero for active thin-pool.
Enforce 4MiB or 25% metadata free space for thin pool operations.
Fix lock-holder device for thin pool with inactive thin volumes.
Use --alloc normal for mirror logs even if the mimages were stricter.
Use O_DIRECT to gather metadata in lvmdump.
Ignore creation_time when checking for matching metadata for lvmetad.
Fix possible NULL pointer derefence when checking for monitoring.
Add lvmreport(7) man page.
Don't install lvmraid(7) man page when raid excluded. (2.02.165)
Report 0% as dirty (copy%) for cache without any used block.
Fix lvm2api reporting of cache data and metadata percent.
Restore reporting of metadata usage for cache volumes (2.02.155).
Support raid scrubbing on cache origin LV.
Version 2.02.165 - 7th September 2016
=====================================
Add lvmraid(7) man page.
Use udev db to check for mpath components before running pvscan for lvmetad.
Use lsblk -s and lsblk -O in lvmdump only if these options are supported.
Fix number of stripes shown in lvcreate raid10 message when too many.
Change lvmdbusd to use new lvm shell facilities.
Do not monitor cache-pool metadata when LV is just being cleared.
Add allocation/cache_pool_max_chunks to prevent misuse of cache target.
Give error not segfault in lvconvert --splitmirrors when PV lies outside LV.
Fix typo in report/columns_as_rows config option name recognition (2.02.99).
Avoid PV tags when checking allocation against parallel PVs.
Disallow mirror conversions of raid10 volumes.
Fix dmeventd unmonitoring when segment type (and dso) changes.
Don't allow lvconvert --repair on raid0 devices or attempt to monitor them.
No longer adjust incorrect number of raid stripes supplied to lvcreate.
Move lcm and gcd to lib/misc.
Fix vgsplit of external origins. (2.02.162)
Prohibit creation of RAID LVs unless VG extent size is at least the page size.
Suppress some unnecessary --stripesize parameter warnings.
Fix 'pvmove -n name ...' to prohibit collocation of RAID SubLVs
Version 2.02.164 - 15th August 2016
===================================
Fix selection of PVs when allocating raid0_meta.
Fix sdbus socket leak leading to hang in lvmnotify.
Specify max stripes for raid LV types: raid0:64; 1:10; 4,5:63; 6:62; 10:32.
Avoid double suffix when naming _rmeta LV paired with _rimage LV.
Version 2.02.163 - 10th August 2016
===================================
Add profile for lvmdbusd which uses lvm shell json report output.
Restrict in-command modification of some parms in lvm shell.
Apply LVM_COMMAND_PROFILE early for lvm shell.
Refactor reporting so lvm shell log report collects whole of cmd execution.
Support LVM_*_FD envvars to redirect output to file descriptors.
Limit use of --corelog and --mirrorlog to mirrors in lvconvert.
Reject --nosync option for RAID6 LVs in lvcreate.
Do not refresh whole cmd context if profile dropped after processing LVM cmd.
Support straightforward lvconvert between striped and raid4 LVs.
Support straightforward lvconvert between raid1 and mirror LVs.
Report supported conversions when asked for unsupported raid lvconvert.
Add "--rebuild PV" option to lvchange to allow for PV selective rebuilds.
Preserve existing mirror region size when using --repair.
Forbid stripe parameters with lvconvert --repair.
Unify stripe size validation into get_stripe_params to catch missing cases.
Further lvconvert validation logic refactoring.
Version 2.02.162 - 28th July 2016
=================================
Extend vg_validate also to check raid configurations thoroughly.
Support lvconvert -Zn also when doing full cache pool conversion.
Suppress not zeroing warn when converting to thin LV for non-zeroing tpool.
Fix automatic updates of PV extension headers to newest version.
Improve lvconvert --trackchanges validation to require --splitmirrors 1.
Add note about lastlog built-in command to lvm man page.
Fix unrecognised segtype flag message.
lvconvert not clears cache pool metadata ONLY with -Zn.
Add allocation/raid_stripe_all_devices to reinstate previous behaviour.
Create raid stripes across fixed small numbers of PVs instead of all PVs.
Enabled lvconvert --uncache to work with partial VG.
Disallow lvconvert --replace with raid0* LVs.
Fix some lvmetad changed VG metadata notifications that sent uncommitted data.
Version 2.02.161 - 15th July 2016
=================================
Prohibit some lvchange/lvresize that were failing on raid0 volumes.
Fix segfaults in complex vgsplits. (2.02.159)
Reformat unwieldy lvconvert man page.
Allow --force to be passed through to pvcreate from vgcreate. (2.02.144)
Fix lvresize of filesystem when LV has already right size (2.02.141)
New LVM_LOG_FILE_MAX_LINES env var to limit max size of created logs.
Version 2.02.160 - 6th July 2016
================================
Minor fixes from coverity.
Version 2.02.159 - 6th July 2016
================================
Add raid0_meta segment type that provides metadata space for raid conversions.
Fix created link for a used pool for vgmknode.
Introduce and use is_power_of_2 macro.
Support conversions between striped and raid0 segment types.
Add infrastructure for raid takeover lvconvert options.
Version 2.02.158 - 25th June 2016
=================================
Add a more efficient native vgimportclone command to replace the script.
Make lvmlockd always attempt to connect to lvmetad if no connection exists.
Let lvmetad handle new connections after shutdown signal.
Disable lvmetad when vgcfgrestore begins and enable it again after.
Make pvscan do activation if lvmetad is configured but not running.
Fix rescanning the PVs for a single VG when using lvmetad.
Pool metadata lvresize uses now same code as resize of normal volume.
Preserve monitoring status when updating thin-pool metadata.
Return 0 (inactive) when status cannot be queried in _lv_active().
Switch to log_warn() for failing activation status query.
Replace vgimportclone script with binary.
While lvmetad is shutting down, continue handling all connections cleanly.
Refactor lvconvert argument handling code.
Notify lvmetad when vgcfgrestore changes VG metadata.
Add --logonly option to report only cmd log for a command, not other reports.
Add log/command_log_selection to configure default selection used on cmd log.
Use 'orphan' object type in cmd log for groups to collect PVs not yet in VGs.
Add lvm lastlog command for query and display of last cmd's log in lvm shell.
Report per-object return codes via cmd log while processing multiple objects.
Annotate processing code with log report hooks for per-object command log.
Also pass common printed messages (besides warnings and errors) to log report.
Log warnings and errors via report during cmd processing if this is enabled.
Make it possible to iterate over internal 'orphan' VGs in process_each_vg fn.
Make -S|--select option groupable that allows this option to be repeated.
Make -O|--sort option groupable that allows this option to be repeated.
Add --configreport option to select report for which next options are applied.
Add support for priorities on grouping command arguments.
Add report/{pvs,vgs,lvs,pvsegs,segs}_{cols,sort}_full to lvm.conf.
Add lvm fullreport command for joined PV, VG, LV and segment report per VG.
Integrate report group handling and cmd log report into cmd processing code.
Add log/report_command_log to lvm.conf to enable or disable cmd log report.
Add log/report_output_format to lvm.conf for default report output format.
Recognize --reportformat {basic|json} option to select report output format.
Add log/command_log_{sort,cols} to lvm.conf to configure command log report.
Add log_object_{type,name,id,group,group_id} fields to cmd log.
Add log_{seq_num,type,context,message,errno,ret_code} fields to cmd log.
Add CMDLOG report type - a separate report type for command logging.
Version 2.02.157 - 17th June 2016
=================================
Change pvscan --cache -aay to scan locally if lvmetad fails.
Version 2.02.156 - 11th June 2016
=================================
Don't allow duplicate orphan PVs to be used with vgcreate/vgextend/pvcreate.
Improve handling of lvmetad update failures.
Yes/No prompt accepts '^[ ^t]*([Yy]([Ee]([Ss]|)|)|[Nn]([Oo]|))[ ^t]*$'.
If available, also collect output from lsblk command when running lvmdump -s.
Version 2.02.155 - 3rd June 2016
================================
Reject PV tags on pvmove cmdline because only 1 PV is supported. (2.02.141)
Fix compilation error when building with configure --disable-devmapper.
Fix lvmconfig --type diff to display complete diff if config cascade used.
Automatically filter out partitioned loop devices with partscan (losetup -P).
Fix lvm devtypes internal error if -S used with field name from pvs/vgs/lvs.
When reporting Data%,Snap%,Meta%,Cpy%Sync use single ioctl per LV.
Add lvseg_percent_with_info_and_seg_status() for percent retrieval.
Enhance internal seg_status handling to understand snapshots better.
When refresh failed in suspend, call resume upon error path.
Support passthrough cache mode when waiting for clean cache.
Check cache status only for 'in-use' cache pools.
Extend setup_task() to preset flushing for dm_task object.
When checking LV is a merging COW, validate its a COW LV first.
Correcting value in copy_percent() for 100%.
Update vgreduce to use process_each_vg.
Update lvconvert to use process_each_lv.
Update pvscan to use process_each_vg for autoactivation.
Add basic support for --type raid0 using md.
Add support for lvchange --cachemode for cached LV.
Fix liblvm2app error handling when setting up context.
Delay liblvm2app init in python code until it is needed.
Simplify thread locking in lvmetad to fix locking problems.
Allow pvremove -ff to remove a duplicate PV.
Fix lvm2-activation-generator to read lvm.conf without full command setup.
Allow a minimal context to be used in lvm2app for reading lvm.conf.
Version 2.02.154 - 14th May 2016
================================
Fix liblvm segfault after failure initialising lvmetad connection.
Retry open without O_NOATIME if it fails (not file owner/CAP_FOWNER).
Split _report into one fn for options and arguments and one for processing.
Version 2.02.153 - 7th May 2016
===============================
Change warning messages related to duplicate PVs.
A named device is always processed itself, not switched for a duplicate.
Add PV attr "d" and report field "duplicate" for duplicate PVs.
Add config setting to disallow VG changes when duplicate PVs exist.
Use device size and active LVs to choose the preferred duplicate PV.
Disable lvmetad when duplicate PVs are seen.
Support --chunksize option also when caching LV when possible.
Add function to check for target presence and version via 1 ioctl.
Version 2.02.152 - 30th April 2016
==================================
Use any inherited tags when wiping metadata sub LVs to ensure activation.
Add str_list_wipe.
Improve support for interrupting procesing of volumes during lvchange.
Use failed command return code when lvchanging read-only volume.
Show creation transaction_id and zeroing state of pool with thin volume.
Stop checking for dm_cache_mq policy with cache target 1.9 (alias to smq).
Check first /sys/module/dm_* dir existance before using modprobe.
Remove mpath from 10-dm.rules, superseded by 11-dm-mpath.rules (mpath>=0.6.0).
Version 2.02.151 - 23rd April 2016
==================================
Fix error path after reusing of _setup_task (2.02.150).
Fix memory access for empty sysfs values (2.02.149).
Disable lvmetad when lvm1 metadata is seen, so commands revert to scanning.
Suppress errors when snapshot merge gets delayed because volume is in use.
Avoid internal snapshot LV names in messages.
Autodetect and use /run/lock dir when available instead of /var/lock.
lvchange --refresh for merging thin origin will retry to deactivate snapshot.
Recognize in-progress snapshot merge for thin volumes from dm table.
Avoid deciding to initiate a pending snapshot merge during resume.
Improve retrying lvmetad requests while lvmetad is being updated.
Read devices instead of using the lvmetad cache if rescan fails.
Move lvmetad token/filter check and device rescan to the start of commands.
Don't try deactivating fictional internal LV before snapshot merge. (2.02.105)
When not obtaining devs from udev, check they exist before caching them.
Detect device mismatch also when compiling without udev support.
Version 2.02.150 - 9th April 2016
=================================
Avoid using flushing dm status ioctl when checking for usable DM device.
Check for devices without LVM- uuid prefix only with kernels < 3.X.
Reuse %FREE size aproximation with lvcreate -l%PVS thin-pool.
Allow the lvmdump directory to exist already provided it is empty.
Show lvconverted percentage with 2 decimal digits.
Fix regression in suspend when repairing --type mirror (2.02.133).
Version 2.02.149 - 1st April 2016
=================================
Do not flush thin-pool when checking metadata fullness.
Remove spurious error about no value in /sys/dev/block/major:minor/dm/uuid.
Fix device mismatch detection for LV if persistent .cache file is used.
Fix holder device not being found in /dev while sysfs has it during dev scan.
Version 2.02.148 - 26th March 2016
==================================
Introduce TARGET_NAME and MODULE NAME macros.
Replace hard-coded module and target names with macros.
Add pv_major and pv_minor report fields.
Detect and warn about mismatch between devices used and assumed for an LV.
Version 2.02.147 - 19th March 2016
==================================
If available, use /proc/self/mountinfo to detect mounted volume in fsadm.
Fix resize of stacked raid thin data volume (2.02.141).
Fix test for lvremove failure in lvconvert --uncache (2.02.146).
Version 2.02.146 - 11th March 2016
==================================
More man page cleanups in lvconvert.
Fix makefile vpath in /udev when generating udev rules files.
Another attempt to improve VG name parsing for lvconvert (2.02.144).
Use new cache status info and skip flushing for failed cache.
Support --uncache with missing PVs.
Tidy report field names, headings and widths.
Add vgscan --notifydbus to send a dbus notification.
Add dbus notification from commands after a PV/VG/LV changes state.
Version 2.02.145 - 4th March 2016
=================================
Make it possible to use lvremove and lvrename on historical LVs.
For historical LVs, report 'none' for lv_layout and 'history' for lv_role.
Add full_{ancestors,descendants} fields to report LV ancestry with history.
Report (h)istorical state within 5th bit (State) of the lv_attr field.
Add lv_historical reporting field to report if LV is historical or not.
Add lv_time_removed reporting field to display removal time for hist. LVs.
Report lv_name, lv_uuid, vg_name, lv_time for historical LVs.
Add --nohistory switch to lvremove to disable history recording on demand.
Add -H|--history switch to lvs and lvdisplay to include historical LVs.
Create historical LVs out of removed thin snapshot LVs and record in history.
Add metadata/lvs_history_retention_time for automatic removal of hist. LVs.
Add metadata/record_lvs_history config for switching LV history recording.
Add support and infrastructure for tracking historical LVs.
Improve lvconvert man page.
Add kernel_cache_policy lvs field.
Display [unknown] instead of 'unknown device' in pvs output.
Fix error path when pvcreate allocation fails (2.02.144).
Display [unknown] instead of blank for unknown VG names in pvs output.
Version 2.02.144 - 26th February 2016
=====================================
Use new PV processing code in pvcreate/vgcreate/vgextend/pvremove.
Add new PV processing code that prompts user without locks held.
Prevent lvmlockd blocking with new flag requiring sanlock 3.3.0.
Only show (u)sed pv_attr char when PV is not (a)llocatable. (2.02.143)
Update makefile to generate lcov output also for lvmpolld and lvmlockd.
Fix SystemdService lvm2-lvmdbusd.service name.
Improve support for env LVM_VG_NAME for reference VG name in lvconvert.
Fix regression when lvresize accepted zero sizes. (2.02.141)
Always warn user about PV in use even when pvremove uses --force --force.
Use uninitialized pool header detection in all cases.
Fix read error detection when checking for uninitialized thin-pool header.
Fix error path for internal error in lvmetad VG lookup code.
Version 2.02.143 - 21st February 2016
=====================================
Fix error path when sending thin-pool message fails in update_pool_lv().
Support reporting CheckNeeded and Fail state for thin-pool and thin LV.
For failing thin-pool and thin volume correctly report percentage as INVALID.
Report -1, not 'unkown' for lv_{snapshot_invalid,merge_failed} with --binary.
Add configure --enable-dbus-service for an LVM D-Bus service.
Replace configure --enable-python_bindings with python2 and python3 versions.
If PV belongs to some VG and metadata missing, skip it if system ID is used.
Automatically change PV header extension to latest version if writing PV/VG.
Identify used PVs in pv_attr field by new 'u' character.
Add pv_in_use reporting field to report if PV is used or not.
Add pv_ext_vsn reporting field to report PV header extension version.
Add protective flag marking PVs as used even if no metadata available.
Version 2.02.142 - 15th February 2016
=====================================
Fix memory pool corruption in pvmove (2.02.141).
Support control of spare metadata creation when repairing thin-pool.
Fix config type of 'log/verbose' from bool to int (2.02.99).
Fix inverted data LV thinp watermark calc for dmeventd response (2.02.133).
Use use_blkid_wiping=0 if not defined in lvm.conf and support not compiled in.
Do not check for suspended devices if scanning for lvmetad update.
Clear cached bootloader areas when PV format changed.
Fix partn table filter with external_device_info_source="udev" and blkid<2.20.
Version 2.02.141 - 25th January 2016
====================================
Add metadata/check_pv_device_sizes switch to lvm.conf for device size checks.
Warn if device size is less than corresponding PV size in metadata.
Cache device sizes internally.
Restore support for command breaking in process_each_lv_in_vg() (2.02.118).
Use correct mempool when process_each_lv_in_vg() (2.02.118).
Fix lvm.8 man to show again prohibited suffixes.
Fix configure to set proper use_blkid_wiping if autodetected as disabled.
Initialise udev in clvmd for use in device scanning. (2.02.116)
Add seg_le_ranges report field for common format when displaying seg devices.
Honour report/list_item_separator for seg_metadata_le_ranges report field.
Don't mark hidden devs in -o devices,metadata_devices,seg_pe_ranges.(2.02.140)
Change LV sizes in seg_pe_ranges report field to match underlying devices.
Add kernel_cache_settings report field for cache LV settings used in kernel.
Version 2.02.140 - 16th January 2016
====================================
Fix lvm2app to return either 0 or 1 for lvm_vg_is_{clustered,exported}.
Add kernel_discards report field to display thin pool discard used in kernel.
Correct checking of target presence when driver access is disabled.
Eval poolmetadatasize arg earlier in lvresize.
Fix vgcfgrestore to respect allocatable attribute of PVs.
Add report/mark_hidden_devices to lvm.conf.
Use brackets consistently in report fields to mark hidden devices.
Restore background polling processing during auto-activation (2.02.119).
Fix invalid memory read when reporting cache LV policy_name (2.02.126).
Version 2.02.139 - 8th January 2016
===================================
Update lvmlockd with the new VG seqno before devices are suspended.
Rework vgrename to use the common processing code in toollib.
Make pvs show new devices on the system since the last .cache update.
Document F,D and M thin pool health status chars for lv_attr in lvs man page.
Also add lvm2-activation{-early,-net}.service systemd status for lvmdump -s.
Version 2.02.138 - 14th December 2015
=====================================
Support lvrename for hidden (used) cache pools.
Fix lvrename for stacked cache pools.
Version 2.02.137 - 5th December 2015
====================================
Restore archiving before changing metadata in vgextend (2.02.117).
Dropped internal usage of log_suppress(2).
Cleaned logging code for buffer size usage.
Added internal id_read_format_try() function to check and read valid UUID.
Change lvcreate, lvrename, lvresize to use process_each_vg.
Change process_each_vg to handle single VG as separate arg.
Issue error if ambiguous VG name is supplied in most commands.
Make process_each fns always work through full list of known VG names.
Use dm_get_status_mirror() instead of individual parsers.
Add mem pool arg for check_transient_status() target function.
Avoid misleading error with -m is omitted with lvconvert to raid types.
Add system_id to vginfo cache.
Version 2.02.136 - 28th November 2015
=====================================
Add new --sinceversion option for lvmconfig --type new.
Fix inactive table loaded for wrapping thin-pool when resizing it.
Extend the list of ignored libraries when locking memory.
Version 2.02.135 - 23rd November 2015
=====================================
Add a model file for Coverity.
Show correct error message for unsupported yet cache pool repair.
Allow lvconvert cache pools' data and metadata LV to raid.
Fix reading of old metadata with missing cache policy or mode settings.
Issue error if external_device_info_source=udev and udev db record incomplete.
Update lvmetad duplicate VG name handling to use hash function extensions.
Detect invalid vgrenames by vgid where the name is unchanged.
Fix passing of 32bit values through daemons (mostly lvmlockd).
Use local memory pool for whole alloc_handle manipulation.
Add missing pointer validation after dm_get_next_target().
Do not deref NULL pointer in debug message for _match_pv_tags().
Drop unneeded stat() call when checking for sysfs file.
Fix memory leak on error path of failing thin-pool percentage check.
Add missing test for failing node allocation in lvmetad.
Correct configure messages when enabling/disabling lvmlockd.
Version 2.02.134 - 9th November 2015
====================================
Refactor some lvmetad code and adjust some duplicate PV messages.
No longer repair/wipe VG/PVs if inaccessible because foreign or shared.
Pass correct data size to mirror log calc so log can be bigger than 1 extent.
Version 2.02.133 - 30th October 2015
====================================
Support repeated -o|--options for reporting commands.
Support -o- and -o# for reporting commands to remove and compact fields.
Fix missing PVs from pvs output if vgremove is run concurrently.
Remove unwanted error message when running pvs/vgs/lvs and vgremove at once.
Check newly created VG's metadata do not overlap in metadata ring buffer.
Check metadata area size is at least the minimum size defined for the format.
Thin pool targets uses low_water_mark from profile.
Dropping 'yet' from error of unsupported thick snapshot of snapshots.
Do not support unpartitioned DASD devices with CDL formatted with pvcreate.
For thins use flush for suspend only when volume size is reduced.
Enable code which detects the need of flush during suspend.
Ensure --use-policy will resize volume to fit below threshold.
Correct percentage evaluation when checking thin-pool over threshold.
Fix lvmcache to move PV from VG to orphans if VG is removed and lvmetad used.
Fix lvmcache to not cache even invalid info about PV which got removed.
Support checking of memlock daemon counter.
Allow all log levels to be used with the lvmetad -l option.
Add optional shutdown when idle support for lvmetad.
Fix missing in-sync progress info while lvconvert used with lvmpolld.
Add report/compact_output_cols to lvm.conf to define report cols to compact.
Do not change logging in lvm2 library when it's already set.
Check for enough space in thin-pool in command before creating new thin.
Make libblkid detect all copies of the same signature if use_blkid_wiping=1.
Fix vgimportclone with -n to not add number unnecessarily to base VG name.
Cleanup vgimportclone script and remove dependency on awk, grep, cut and tr.
Add vg_missing_pv_count report field to report number of missing PVs in a VG.
Properly identify internal LV holding sanlock locks within lv_role field.
Add metadata_devices and seg_metadata_le_ranges report fields for raid vols.
Fix lvm2-{activation,clvmd,cmirrord,monitor} service to exec before mounting.
Version 2.02.132 - 22nd September 2015
======================================
Fix lvmconf to set locking_type=2 if external locking library is requested.
Remove verbose message when rescanning an unchanged device. (2.02.119)
Add origin_uuid, mirror_log_uuid, move_pv_uuid, convert_lv_uuid report fields.
Add pool_lv_uuid, metadata_lv_uuid, data_lv_uuid reporting fields.
Fix PV label processing failure after pvcreate in lvm shell with lvmetad.
Version 2.02.131 - 15th September 2015
======================================
Rename 'make install_full_man' to install_all_man and add all_man target.
Fix vgimportclone cache_dir path name (2.02.115).
Swapping of LV identifiers handles more complex LVs.
Use passed list of PVS when allocating space in lvconvert --thinpool.
Disallow usage of --stripe and --stripesize when creating cache pool.
Warn user when caching raid or thin pool data LV.
When layering LV, move LV flags with segments.
Ignore persistent cache if configuration changed. (2.02.127)
Fix devices/filter to be applied before disk-accessing filters. (2.02.112)
Make tags only when requested via 'make tags'.
Configure supports --disable-dependency-tracking for one-time builds.
Fix usage of configure.h when building in srcdir != builddir.
Version 2.02.130 - 5th September 2015
=====================================
Fix use of uninitialized device status if reading outdated .cache record.
Restore support for --monitor option in lvcreate (2.02.112).
Read thin-pool data and metadata percent without flush.
Detect blocked thin-pool and avoid scanning their thin volumes.
Check if dm device is usable before checking its size (2.02.116).
Extend parsing of cache_check version in configure.
Make lvpoll error messages visible in lvmpolld's stderr and in syslog.
Add 'make install_full_man' to install all man pages regardless of config.
Version 2.02.129 - 26th August 2015
===================================
Drop error message when vgdisplay encounters an exported VG. (2.02.27)
Fix shared library generation to stop exporting internal functions.(2.02.120)
Accept --cachemode with lvconvert.
Fix and improve reporting properties of cache-pool.
Enable usage of --cachepolicy and --cachesetting with lvconvert.
Don't allow to reduce size of thin-pool metadata.
Fix debug buffer overflows in cmirrord logging.
Add --foreground and --help to cmirrord.
Version 2.02.128 - 17th August 2015
===================================
Allocation setting cache_pool_cachemode is replaced by cache_mode.
Don't attempt to close config file that couldn't be opened.
Check for valid cache mode in validation of cache segment.
Change internal interface handling cache mode and policy.
When no cache policy specified, prefer smq (if available) over mq.
Add demo cache-mq and cache-smq profiles.
Add cmd profilable allocation/cache_policy,cache_settings,cache_mode.
Require cache_check 0.5.4 for use of --clear-needs-check-flag.
Fix lvmetad udev rules to not override SYSTEMD_WANTS, add the service instead.
Version 2.02.127 - 10th August 2015
===================================
Do not init filters, locking, lvmetad, lvmpolld if command doesn't use it.
Order fields in struct cmd_context more logically.
Add lock_type to lvmcache VG summary and info structs.
Fix regression in cache causing some PVs to bypass filters (2.02.105).
Make configure --enable-realtime the default now.
Update .gitignore and configure.in files to reflect usage of current tree.
Version 2.02.126 - 24th July 2015
=================================
Fix long option hyphen removal. (2.02.122)
Fix clvmd freeze if client disappears without first releasing its locks.
Fix lvconvert segfaults while performing snapshots merge.
Ignore errors during detection if use_blkid_wiping=1 and --force is used.
Recognise DM_ABORT_ON_INTERNAL_ERRORS env var override in lvm logging fn.
Fix alloc segfault when extending LV with fewer stripes than in first seg.
Fix handling of cache policy name.
Set cache policy before with the first lvm2 cache pool metadata commit.
Fix detection of thin-pool overprovisioning (2.02.124).
Fix lvmpolld segfaults on 32 bit architectures.
Add lvmlockd lock_args validation to vg_validate.
Fix ignored --startstopservices option if running lvmconf with systemd.
Hide sanlock LVs when processing LVs in VG unless named or --all used.
Version 2.02.125 - 7th July 2015
================================
Fix getline memory usage in lvmpolld.
Add support --clear-needs-check-flag for cache_check of cache pool metadata.
Add lvmetactl for developer use only.
Rename global/lock_retries to lvmlockd_retries.
Replace --enable-lvmlockd by --enable-lockd-sanlock and --enable-lockd-dlm.
Version 2.02.124 - 3rd July 2015
================================
Move sending thin pool messages from resume to suspend phase.
Report warning when pool is overprovisioned and not auto resized.
Recognize free-form date/time values for lv_time field in selection criteria.
Added experimental lvmlockd with configure --enable-lvmlockd.
Fix regression in select to match string fields if using synonyms (2.02.123).
Fix regression when printing more lv names via display_lvname (2.02.122).
Add missing error logging to unlock_vg and sync_local_dev_names callers.
Version 2.02.123 - 30th June 2015
=================================
Add report/time_format lvm.conf option to define time format for report.
Fix makefile shell compare == when building lvmetad lvmpolld (2.02.120).
Add --type full to lvmconfig for full configuration tree view.
Add undocumented environment variables to lvm man page. (2.02.119)
Add device synchronization point before activating a new snapshot.
Add --withspaces to lvmconfig to add spaces in output for better readability.
Add custom main function to libdaemon.
Use lvmetad to track out-of-date metadata discovered.