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pvmove now keep suspended devices if temporary mirror creation fails.
We can try to restore previous state if it is first attempt to activate
pvmove (code basically run the same code as --abort automatically).
We can temporarily violate max_lv during mirror conversion etc.
(If the operation fails, orphan mirror images are visible to administrator
for manual remove for example. Not that this should ever happen:-)
Force limit only for lvcreate (and vg merge) command.
Patch also adds simple max_lv tests into testsuite
The snapshot segment (snapshotX) is created twice
during the text metadata segment processing.
This can cause temporary violation of max_lv count.
Simplify the code, snapshot segment is properly initialized
in init_snapshot_seg function now and do not need to be replaced
by vg_add_snapshot call.
The vg_add_snapshot() is now usefull only for adding new
snapshot and it shares the same initialization function.
The snapshot name is always generated, name paramater can be
removed from function call.
As a simplification to the tools and further liblvm, this patch pushes
the setting of NON_BLOCKING lock flag inside the lock_vol() call.
The policy we set is if any existing VGs are currently locked, we
set the NON_BLOCKING flag.
Should be no functional change.
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)
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
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.)
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.
Currently PV commands, which performs full device scan, repeatly
re-reads PVs and scans for all devices.
This behaviour can lead to OOM for large VG.
This patch allows using internal metadata cache for pvs & pvdisplay,
so the commands scan the PVs only once.
(We have to use VG_GLOBAL otherwise cache is invalidated on every
VG unlock in process_single PV call.)
If the vg in process_each_segment_in_pv is NULL, the pv struct
can be incomplete (for example lv_segs are not copied in get_pvs()
call).
We need use the new pv from just read-in volume group.
(The same code is in pvdisplay already.)
In libdm/Makefile.in, we need to cleanup the symlink properly.
Adding to CLEAN_TARGETS seemed like the simplest way to do this
in the current build framework. We could redo dependencies for
VERSIONED_SHLIB, but for now just add to CLEAN_TARGETS.
For scripts/Makefile.in, we should be adding to DISTCLEAN_TARGETS.
The generic rule in make.tmpl.in takes care of the cleanup.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Author: Takahiro Yasui <tyasui@redhat.com>
Patch fixes these problems:
- during the snapshot creation process, it needs create 2 LVs,
one is cow, second becomes snapshot.
If the code fails in vg_add_snapshot, code lvcreate will not remove
LV cow volume.
- if max_lv is set and VG contains snapshot, it can happen that
during the activation lv_count is temporarily increased over the limit
and VG metadata are not properly processed
see https://bugzilla.redhat.com/show_bug.cgi?id=490298
- vgcfgrestore alows restore with max_lv set to lower valuer that actual
LV count. This later leads to situation that max_lv is completely ignored.
- vgck doesn't call vg_validate(). It should at least try:-)
Signed-off-by: Milan Broz <mbroz@redhat.com>
Using argv[] list in exec_cmd() to allow more params for external commands.
Fsadm does not allow checking mounted filesystem.
Fsadm no longer accepts 'any other key' as 'no' answer to y/n.
Fsadm improved handling of command line options.
