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Using any arg with a command name in a script file
would cause the command to fail.
The name of the script file being executed was being passed
to lvm_register_commands() and define_commands(), which
prevented command defs from being defined (simple commands
were still being defined only by name which was enough for those
to still work when run trivially with no args).
Unless a change of the regionsize is requested via "lvconvert -R N ...",
keep the region size when the number of images changes in a raid1 LV.
Related: rhbz1443705
Unless a change of the regionsize is requested via "lvconvert -R N ...",
keep the region size when the number of images changes in a raid1 LV.
Resolves: rhbz1443705
When metadata LV size was over DM_THIN_MAX_METADATA_SIZE sectors,
the info() routine was incorrectly trying to match bigger size,
while we do never pass any bigger device.
Fixing a case, where lvs should be displaying status for metadata
LV with 16GB size.
We have to unset the LoadState variable from previous use when we check
for systemd unit state. We use this variable to check if systemd services
are loaded or not and if it is loaded, we issue systemctl commands to
enable/disable and start/stop the service. We don't issue these commands
if the unit is not loaded to avoid error messages which may confuse users.
Removing some unused new lines and changing some incorrect "can't
release until this is fixed" comments. Rename license.txt to make
it clear its merely an included file, not itself a licence.
Better support for lvdisplay.
By default info about running (in kernel) cache status is printed.
To get 'segtype' info, user runs: 'lvdisplay -m', example:
--- Logical volume ---
LV Path /dev/vg/lvol0
LV Name lvol0
VG Name vg
LV UUID Y4uWuN-TBGk-duer-aPWl-yBWn-iFFR-RU1gg1
LV Write Access read/write
LV Creation host, time linux, 2017-03-01 20:52:39 +0100
LV Cache pool name lvol2
LV Cache origin name lvol0_corig
LV Status available
# open 0
LV Size 12,00 MiB
Cache used blocks 10,42%
Cache metadata blocks 0,49%
Cache dirty blocks 0,00%
Cache read hits/misses 112 / 34
Cache wrt hits/misses 133 / 0
Cache demotions 0
Cache promotions 20
Current LE 3
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0
--- Segments ---
Logical extents 0 to 2:
Type cache
Chunk size 64,00 KiB
Metadata format 1
Mode writethrough
Policy smq
Setting migration_threshold=100000
Cache pool read/writes metadata_format within its segment type..
For CachePoolLV unselected metadata format is NOT stored in metadata.
For CacheLV when metadata format is not present/selected in lvm2 metadata,
it's automatically assumed to be the version 1 (backward compatible).
To ensure older lvm2 will not 'miss-read' metadata with new version 2,
such LV is marked with METADATA_FORMAT status flag (segment is
specifying metadata format). So when cache uses metadata format 2,
it will become inaccesible on older system without such support.
(kernel dm cache < 1.10, lvm2 < 2.02.169).
Add new profilable configation setting to let user select
which metadata format of a created cache pool he wish to use.
By default the 'best' available format is autodetected at runtime,
but user may enforce format 1 or 2 ATM.
Code also detects availability for metadata2 supporting cache target.
In case of troubles user may easily Disable usage of this feature
by placing 'metadata2' into global/cache_disabled_features list.
Reuse same code for getting/setting cache parameters with lvcreate.
So there is single one place how to get vars from profiles and configs.
Variables declarations are moved to start of function and
there is no need to initialize them as they are always
defined by functions get_cache_params() and get_pool_params().
Since cache chunk might be huge and there is no technical need
to enforce rounding and there is actually more 'real' VG space
used then necessary - keep rounding on 'chunk' bounrary only
for thin volumes - where it's the space used anyway.
NB: we support conversion of any-size 'existing' LV into cached LV.
Fix missing reset of '*settings' pointer when no args were given.
Handle cache_chunk settings like all other settings, so it is properly
updated only with non-zero settings and the existing cache-pool
chunk_size is not being reconfigured.
User can specify metadata profile which stores important cache
geometry data for easy configuration.
Fix missing support for getting chunk_size, cache_mode, cache_policy
for a cache/cache pools volumes from configuration or metadata profile.
The fedorahosted git repository shuts down tomorrow:
https://communityblog.fedoraproject.org/fedorahosted-sunset-2017-02-28/
Our upstream git repository has moved back to sourceware.org.
Mailing list hosting is not changing.
Gitweb:
https://www.sourceware.org/git/?p=lvm2
Git:
git://sourceware.org/git/lvm2.git
ssh://sourceware.org/git/lvm2.git
http://sourceware.org/git/lvm2.git
Example command to change the origin of a repository clone:
Public:
git remote set-url origin git://sourceware.org/git/lvm2.git
Committers:
git remote set-url origin git+ssh://sourceware.org/git/lvm2.git
The MD kernel raid1 personality does no use any writemostly leg as the primary.
In case a previous linear LV holding data gets upconverted to
raid1 it becomes the primary leg of the new raid1 LV and a full
resynchronization is started to update the new legs.
No writemostly and/or writebehind setting may be allowed during
this initial, full synchronization period of this new raid1 LV
(using the lvchange(8) command), because that would change the
primary (i.e the previous linear LV) thus causing data loss.
lvchange has a bug not preventing this scenario.
Fix rejects setting writemostly and/or writebehind on resychronizing raid1 LVs.
Once we have status in the lvm2 metadata about the linear -> raid upconversion,
we may relax this constraint for other types of resynchronization
(e.g. for user requested "lvchange --resync ").
New lvchange-raid1-writemostly.sh test is added to the test suite.
Resolves: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=855895
Previously when lvremove tried to remove 'active' origin,
it had been asking for every 'snapshot' LV separately
and doing individual single snapshot removals first.
To be faster it now deactivates origin before removal
all connected snapshots.
This avoids multiple reloads of dm table for origin volume
which were unnecessary as origin was meant to be removed as well.
Some archs can use even 64K pages and then lvm2 runs into trouble if
the stack is 'too small' to fit extra page capturing stack overwrite.
So when lvm2 limits stack - add extra mem page - be it 4K or 64K.
Relates to ppc64le bug: https://bugzilla.redhat.com/1387279
Add:
- conversion support from striped/raid0/raid0_meta to/from raid10;
raid10 goes by the near format (same as used in creation of
raid10 LVs), which groups data copies together with their original
blocks (e.g. 3-way striped, 2 data copies resulting in 112233 in the
first stripe followed by 445566 in the second etc.) and is limited
to even numbers of legs for now
- related tests to lvconvert-raid-takeover.sh
- typo
Related: rhbz1366296
- support shrinking of raid0/1/4/5/6/10 LVs
- enhance lvresize-raid.sh tests: add raid0* and raid10
- fix have_raid4 in aux.sh to allow lv_resize-raid.sh
and other scripts to test raid4
Resolves: rhbz1394048
Add:
- support to change region size of existing RaidLVs
(all RAID LV types but raid0/raid0_meta)
- lvconvert-raid-regionsize.sh with test variations
for different RAID types and region sizes
Resolves: rhbz1392947
