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This is a followup patch to commit edb72cb70c
to support related lvm2 test suite tests.
A 'global/support_mirrored_mirror_log' bool configuration variable gets
introduced allowing the creation of, or conversion to mirrored 'mirror'
logs if set. The capability to create these in turn allows the rest of
the tests to perform activation of such existing LVs and their conversions
to disk/core 'mirror' logs.
Display a disclaimer warning if enabled that this is not for regular use.
Add definition of the enabled config option to respective test scripts.
Related: rhbz1643562
Introduce LVM_TEST_LVMETAD_DEBUG_OPTS to allow to override
default debug opts for lvmetad.
However could be still overloaded on command line:
make check_lvmetad LVM_TEST_LVMETAD_DEBUG_OPTS="-l all"...
While the 'raid1/10' segment types were being handled inadvertently
by '_move_mirrors()', the parity RAIDs were not being properly checked
to ensure that the user had specified all necessary PVs when moving
them. Thus, internal errors were being triggered when only part of
a RAID LV was moved to the new VG. I've added a new function,
'_move_raid()', which properly checks over any affected RAID LVs and
ensures that all the necessary PVs are being moved.
vgsplit of RAID volumes was problematic because the metadata area
and data areas were always on the same PVs. This problem is similar
to one that was just fixed for mirrors that had log and images sharing
a PV (commit 9ac858f). We can now add RAID LVs to the tests for
vgsplit.
Note that there still seems to be an issue when specifying an
incomplete set of PVs when moving RAID LVs.
Given a named mirror LV, vgsplit will look for the PVs that compose it
and move them to a new VG. It does this by first looking at the log
and then the legs. If the log is on the same device as one of the mirror
images, a problem occurs. This is because the PV is moved to the new VG
as the log is processed and thus cannot be found in the current VG when
the image is processed. The solution is to check and see if the PV we are
looking for has already been moved to the new VG. If so, it is not an
error.
In those places where mirrors were being created while assuming
a default segment type of "mirror", we include the '--type mirror'
argument to explicitly set the segment type. This will preserve
the mirror testing that is performed even though the default
mirroring segment type is now "raid1".
aux updates:
prepare_vg now created clustered VG for cluster tests.
since dm-raid doesn't work in cluster, skip the cluster
test when someone checks for dm-raid target until fixed.
Indent
Shell improvements - use internal function for checks
Use PVs in "" (LV and VG cannot have spaces)
Several test very starting 'dmeventd' without annoucing
it via prepade_dmeventd.
Fix some of test actually.
Reduce disc excercise for some test and focus on LVM testing by
using smaller extent size.
Reduce number of teardown_devs calls and use vg/lvremove instead.
Don't sleep for seconds on pvmove.
FIXME: shell/lvconvert-mirror-basic.sh seems to need more checking.
Test fails for smalled extent size then 512k.
