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The seg variable is temporary variable for list iterator,
code cannot expect that after iteration it remains NULL
(it contains non-NULL pointer here id list is empty).
Patch fixes first_seg function so it now correctly returns NULL
for empty segment list.
Buildsystem support device-mapper only install,
but generic install tagret includes both dm+lvm2.
For distribution which uses separate install_device-mapper,
there is no way how to install lvm2 only
(so after installing lvm2 for packaging purposes
built system must remove installed device-mapper files).
Fix it by allowing lvm2_install target, similarily like
install_cluster for clvmd.
(install = install_device-mapper + install_lvm2)
The dataalign value must always be aligned according
to MDA area.
The currect code checks if calculated value collides with
MDA area but not if the value is so small that it is
located before MDA starts.
Unfortunatelly there can be also MDA in the end of the device.
The patch adds simple check to avoid this miscalculation.
Patch expects that first MDA always starts on <= pagesize boundary
(this is true for all allowed label sector parameters).
Add lvs origin_size field.
Fix linux configure --enable-debug to exclude -O2.
Still a few rough edges, but hopefully usable now:
lvcreate -s vg1 -L 100M --virtualoriginsize 1T
Run backup of metadata on remote nodes in the
same place like local node - when calling backup().
Introduce backup_locally() which calls only
local backup if needed.
Remote backup is now trigerred by LCK_VG_BACKUP flag
combination (special VG lock).
This lock type will call check_current_backup()
(including backup_locally() call) and updates
metadata on all nodes.
(Patch fixes non-functional remote backup,
current call during VG lock never triggers.)
The backup() call store metadata from memory.
But in cluster backup() call performs
remote nodes metadata backup and it reads data from disk.
For metadata backup consistency,
patch moves all backup() calls after vg_commit.
(Moreover, some tools already do that this way.)
- Rename unlock_all to destroy_lvhash,
this function is called in cluster shutdown
unlocks everything and clean up allocated info space.
- Tidy lv_hash_lock use
.
Except adding free(lvi) in lv_has destructror
there is no functional change.
If user requests report attribute from PVSEG type
and PV is orphan (or all devices is set), the report
is empty.
Try for example (when only orphan PV are present)
#pvs
#pvs -o +devices
# pvs /dev/sdb1
PV VG Fmt Attr PSize PFree
/dev/sdb1 lvm2 -- 46.58G 46.58G
# pvs -o +devices /dev/sdb1
(no output)
The problem is caused by empty pv->segments list.
Fix it by providing fake segment here (similar to fake structures
in _pvsegs_sub_single() calls.
# pvs -a -o devices
Volume group name (null) has invalid characters
Skipping volume group (null)
...
_pvsegs_sub_single creates fake vg, we need to check
that pv is real here.
