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Commit 199697accf rerouted funtion
for priting cache volume origin to lvm2app app function - which
however had a bug. So restore the original functionality
and print correct LV as cache origin LV.
Gris debugged that when we don't have a method the introspection
data is missing the interface itself eg.
<interface name="<your_obj_iface_name>" />
When adding the properties to the dbus object introspection we will
add the interface too if it's missing. This now allows us the
ability to have a dbus object with only properties.
Because of the different code paths we need to test job handling with
all operations. Test now runs virtually everything with timeout == 0
and timeout == 15 so that we test both use cases.
Note: If a client passes -1 for the timeout value they need to make
sure that their connection time out is also infinite. Otherwise, if the client
times out the service side hangs any new dbus calls until the job
that is in progress completes. Not sure why this behavior is occuring
at this time, but it appears a limitation/bug of the dbus-python library.
When we register a failure we need to use a valid value which will be
returned with the object manager. Otherwise we will raise an Exception
because we are trying to construct an object path from None.
The methods were returning an instance of the object instead of the
object path which was causing an exception when the result was returned
with the job object as we are explicity trying to return an object path.
Unit test added which re-creates the issue and verifies the fix.
Add simple helper/wrapper check function to check result
of dmsetup call i.e.:
check grep_dmsetup table vg-lv "grep_expected"
check grep_dmsetup status vg-lv -v "grep_unexpected"
Reload of thin-pool origin_only is designed to only post messages
to a thin-pool. It's not intended to be used for reload of thin-pool
table. Fix it by using standard call 'lv_update_and_reload()'.
Unconditionally guard there is at least 1/4 of metadata volume
free (<16Mib) or 4MiB - whichever value is smaller.
In case there is not enough free space do not let operation proceed and
recommend thin-pool metadata resize (in case user has not
enabled autoresize, manual 'lvextend --poolmetadatasize' is needed).
In the case there is no active thin volume, report thin pool
as lock holder. This fixed function like lvextend
which either expecte lock holder LV is some active thin
or 'possibly' inactive thin pool.
The existing code doesn't understand that mirror logs should cling to
parallel LVs (like extending them) instead of avoiding them.
As a quick workaround to avoid lvcreate failures, hard-code
--alloc normal for mirror logs even if the rest of the allocation
used a stricter policy.
https://bugzilla.redhat.com/show_bug.cgi?id=1376532
When rescanning a VG from disk, the metadata read from
each PV was compared as a sanity check. The comparison
is done by exporting the vg metadata from each dev to
a config tree, and then comparing the config trees.
The function to create the config tree inserts
extraneous information along with the actual VG metadata.
This extra info includes creation_time. The config
trees for two devs can easily be created one second
apart in which case the different creation_times would
cause the metadata comparison to fail. The fix is to
exclude the extraneous info from the metadata comparison.
Correction for aux test result ([] -> if;then;fi)
Use issue_discard to lower memory demands on discardable test devices
Use large devices directly through prepare_pvs
I'm still observing more then 0.5G of data usage through.
Particullary:
'lvcreate' followed by 'lvconvert' (which doesn't yet support --nosync
option) is quite demanging, and resume returns quite 'late' when
a lot of data has been already written on PV.
Reinstantiate reporting of metadata percent usage for cache volumes.
Also show the same percentage with hidden cache-pool LV.
This regression was caused by optimization for a single-ioctl in
2.02.155.
Allow RAID scrubbing on cache origin sub-LV
This patch adds the ability to perform RAID scrubbing on the cache
origin sub-LV (https://bugzilla.redhat.com/1169495). Cache origin
operations are restricted to non-clustered RAID LVs until there can
be further testing in a cluster (even for exclusive activation).
User can either specify directly _corig LV
or he can specify cache LV and operation --syncation is
passed ONLY to _corig LV.
If users wants to manipulation with cache-pool devices - he
needs to specify this object name.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
