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Add more time for tests, since debug kernels are getting slower...
and we add more and more tests.
However many test should be shortened to avoid testing disk-perfomance
and focus on lvm functionality...
(Often we should probably test with inactive volumes when we check
metadata operation of lvm2)
We may need to support option for 'DEEP' longer testing.
Also something like LVM_TEST_TIMEOUT_FACTOR might be useful
though it would be much better if test suite could approximete
from system perfomance test lenght...
Instead of rereading device list via cat - keep
the list in bash array. (Also solves problem
with spaces in device path)
Move usage of "$path" out of lvm shell usage,
since we don't support such thing there...
When directly corrupting RAID images for the purpose of testing,
we must use direct I/O (or a 'sync' after the 'dd') to ensure that
the writes are not caught in the buffer cache in a way that is not
reachable by the top-level RAID device.
Unsure if this is feature or bug of syncaction,
but it needs to be present physically on the media
and it ignores content of buffer cache...
(maybe lvchange should implicitely fsync all disks
that are members of raid array before starting test??)
Check we know how to handle same UUID
Test currently does NOT work on lvmetad
(or it's unclear it even should - thus test error
is currently lowered to 'test warning')
TODO: replace lib/test with a better shell script name
disable_dev can't use transaction - since it may lead occasionaly to
weird error - example could be nomda-missing.sh test case.
Here occasionaly device instead of being removed was left as
error device and testing different code path (which is unfortunatelly
buggy)
When we want to test 'error' device - 'aux error_dev()' should be used.
Delay udev notification after the point udev transaction
is finished - since otherwise some device may still
be found missing until udev transaction is finished.
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.
Since the kill may take various amount of time,
(especially when running with valgrind)
check it's really pvmoved LV.
Restore initial restart of clvmd - it's currently
broken at various moments - basically killed lvm2
command may leave clvmd and confusing state leading
to reports of internal errors.
TODO:
It seems commit 7e685e6c70
has changed the old logic, when 'pvs device_name' used
to work. (regression from 2.02.104)
Currently put in extra pvscan.
