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This ties the two preceding changes together, actually using the "ondisk"
version of VG metadata instead of calling into lvmcache when activating
volumes. The cache hooks are still used as a fallback, because we don't have an
uncached scanning API yet.
Previously, we have relied on UUIDs alone, and on lvmcache to make getting a
"new copy" of VG metadata fast. If the code which triggers the activation has
the correct VG metadata at hand (the version which is currently on disk), it can
now hand it to the activation code directly.
This allows us to get the current on-disk version of the metadata whenever we
have the current in-flight version, without a recourse to scanning or lvmcache.
When the init scripts are run from within systemd, the systemd
needs to know the pidfile for it to work correctly when the
daemon itself is killed. Otherwise, systemd keeps these services
in "active" and "exited state" at the same time
(it assumes RemainAfterExit=yes without the pidfile reference in
chkconfig header).
See also https://bugzilla.redhat.com/show_bug.cgi?id=971819#c5.
For non udev path use DM_DEFAULT_NAME_MANGLING_MODE.
Skip this test when using real /dev dir, since udev is not able
to create such device name unless mangled...
Last commit made dump filter only partially composable.
Add remaining functionality and also support composable wipe,
which is needed, when i.e. vgscan needs to remove cache.
(in release fix)
This means that a test failure in one flavour no longer prevents all the
subsequent flavours from running. We also get an aggregate summary at
the end of the entire batch, instead of summaries interspersed with
progress output. Do not fail when flavour overrides are empty
Add a generic dump operation to filters and make the composite filter call
through to its components. Previously, when global filter was set, the code
would treat the toplevel composite filter's private area as if it belonged a
persistent filter, trying to write nonsense into a non-sensical file.
Also deal with NULL cmd->filter gracefully.
The global filter in system's lvm.conf may conflict with the custom filter we
set up in vgimportclone (they can easily fail to intersect). Since we explicitly
avoid talking to lvmetad in vgimportclone, it is safe and reasonable to do so.
Merge duplicate code that was validating lvcreate args
for creation of thin and snapshot.
Keep most of thin checks in _check_thin_parameters().
Update couple error messages.
This patch adds the ability to set the minimum and maximum I/O rate for
sync operations in RAID LVs. The options are available for 'lvcreate' and
'lvchange' and are as follows:
--minrecoveryrate <Rate> [bBsSkKmMgG]
--maxrecoveryrate <Rate> [bBsSkKmMgG]
The rate is specified in size/sec/device. If a suffix is not given,
kiB/sec/device is assumed. Setting the rate to 0 removes the preference.
This patch may not be fully correct. It tries to solve
the imbalanced suspend counter.
The problem starts when some LV is created and fails in resume path.
(i.e. resuming to large PV (enforced) over small loop devices)
This fails in _resume_node() after dm_task_run(). And while
existing device with empty table is left in inactive table,
further calls are reporting this device is in suspend state.
When later the lvm2 tries to rollback created device and deactivate it,
it will end with internal error, when we try to decrement
never incremented suspend counter.
As an 'easy fix' for now update suspend counter only for live nodes.
TODO: explore better fix.
There is no point in creation of 2chunks snapshot,
since the snapshot is invalidated immeditelly with the first write
as there is no free chunk for COW blocks
(2 chunks are used by the snap header and the 1st. metadata chunk).
Enhance error message about the lowest usable size.
