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Don't abort test when clvmd processes two VGs concurrently.
CLVMD: ioctl/libdm-iface.c:1940 Internal error: Performing unsafe table load while 3 device(s) are known to be suspended: (253:19)
Since our test environment runs also in non-real-udev world,
it's using /etc/.cache file with scanned files.
So in this case it is mandatory the user runs 'vgscan'
after a device reappears in the system.
This 'first' lvm2 command then fixes metadata (just like vgs did).
With thin-pool kernel target module 1.13 it's now support usage of
external origin with sizes which are not 'alligned' with chunk size
of thin-pool.
Enable lvm2 support for this and also fix reporting of data_percent
usage for case sizes are not alligned.
Set LVM_TEST_THIN_REPAIR_CMD to /bin/false for test which
doesn't need it.
This way - even if on the system there is no such tool present,
test will not result with warning about missing tool.
Also remove from Makefile settings of TEST vars which are set in
through /lib/paths - this also allows to override them in test.
Use 64bit arithmentic for PV size calculation (Coverity).
Also remove sector shift for compared PV size, since all
values are already held in sectors.
This fixes validatio of PV size when restoring PV
from vg metadata backup file.
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"...
Better name for aux function.
First use normal -TERM, and only after a while use -KILL
(leaving some time to correctly finish)
Print INFO about killed processes.
some tests left dangling bg processes originating in
lvm2 commands being able to spawn any bg polling process
(lvchange, vgchange, pvmove, lvconvert...)
Initial fn 'add_to_kill_list' should collect processes with
specific parameters (proc's command line and parent processes ID).
After testing finishes the fn kill_listed_processes should remove these
listed by 'add_to_kill_list'.
Unfortunately it proved to be prone to an error especially in scenarios
where cmd line of initiating command contained characters required to
be espaced before passing to shell script to make it work correctly.
(Or if cmd spawned more than one bg process with same cmd line. i.e.:
vgchange or lvchange).
The new implementation is much simpler. It uses env. variable (LVM_TEST_TAG)
for marking a process desired to be killed later or during test env. teardown.
(i.e.: LVM_TEST_TAG=kill_me_$PREFIX to kill only processes related to
current test environment)
Put in pvmove background process into list quickly.
Update API for aux add_to_kill_list()/kill_listed_processes().
Run on 'background' (&) only non-background pvmoves.
Since now we have metadata parts running with normal speed,
we could avoid reinitilising delayed dev for every test.
(Saving seconds on cookie waits...)
We cannot print TEST WARNING within test shell script
(since it's running in debug mode and thus always prints it)
Use 'should false' trick let the string printed in this case.
So 'non cluster cases' should now end properly.
If the kernel has 'new lcm()' (3.19) it provides wrong
optimal_io_size value for dm device so lvm2 command cannot
create properly aligned devices.
Use 'should' for this case - so test ends with 'TEST WARNING'.
Improve testing for condition that pvmove0 is already running in the
table (so we do not kill pvmove while it has loaded target, but
it's not yet Live).
Also delay_dev for 200ms.
There is no reason to support persistent major/minor numbers
for pool volumes - it's only meant to be supported for filesystems
(since i.e. nfs may need to keep volume on a persistent device node.)
Support for pools is now explicitely disabled and documented.
Metadata areas which are marked as ignored should not be scanned
and read during pvscan --cache. Otherwise, this can cause lvmetad
to cache out-of-date metadata in case other PVs with fresh metadata
are missing by chance.
Make this to work like in non-lvmetad case where the behaviour would
be the same as if the PV was orphan (in case we have no other PVs
with valid non-ignored metadata areas).
Simplify the function usage and clean up parameter parsing.
There were 2 significant changes made in the test itself
(they passed before because of incorrect shell string handling)
-pvs_sel 'tags="pv_tag1"' "$dev1 $dev2"
+sel pv 'tags="pv_tag1"' "$dev1" "$dev6"
-lvs_sel '(lv_name=vol1 || lv_name=vol2) || vg_tags=vg_tag1' "vol1 vol2
abc orig snap"
+sel lv '(lv_name=vol1 || lv_name=vol2) || vg_tags=vg_tag1' vol1 vol2
orig snap xyz
