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'lvchange --resync LV' or 'lvchange --syncaction repair LV' request the
RAID layout specific parity blocks in raid4/5/6 to be recreated or the
mirrored blocks to be copied again from the master leg/copy for raid1/10,
thus not allowing a rebuild of a particular PV.
Introduce repeatable option '--[raid]rebuild PV' to allow to request
rebuilds of specific PVs in a RaidLV which are known to contain corrupt
data (e.g. rebuild a raid1 master leg).
Add test lvchange-rebuild-raid.sh to test/shell doing rebuild
variations on raid1/10 and 5; add aux function check_status_chars
to support the new test.
- Resolves rhbz1064592
When logging to epoch files we would like to prevent creating too large
log files otherwise a spining command could fulfill available space
very easily and quickly.
Limit for to 100000 per command.
TODO: it might be better to log dmeventd messages with test output
just like we do with clvmd - maybe we will switch to this one
instead of extra DMEVENTD log file in future....
Add config for mkfs to get more predicatable results
when using mkfs across variety of distributions.
In future maybe use this per all tests as default.
For now user has to specify in a test MKE2FS_CONFIG envvar to use it.
When force removing thin-pool we loose 'real' access to hidden device,
and if such pool is in suspended state, any thin volume cannot be
dropped. It likely should be also checked by dmsetup, but meanwhile
apply simple logic - try to force remove first all higher minors first
with assumption we first create thin-pool and then thin volume
and there are usually not being released lower dm numbers to
get the order wrong.
For raid1 use chunksize as bitmap-chunk specification.
Always enforce usage of bitmap - getting comparable outcome
as lvm2 raid support uses.
Add udev_wait after stopping md array - as in fact leg-device
are still in use by target even command has finished.
(mdadm --stop causes WATCH rule wakeup, and
ioctl(STOP_ARRAY) returns IMHO to early - it should finish
and fsync work on leg devices first).
Using lvm1 metadata with lvmetad is not generally allowed,
but nothing has prevented creating new lvm1 metadata with
lvmetad (missing error checking in pvcreate/vgcreate.)
Various tests are using lvm1 with lvmetad and happen to
work because of the missing error checks.
This commit fixes the tests so they won't fail when the
lvm1/lvmetad error checking is fixed. A new variable
LVM_TEST_LVM1 is defined and is used in the scripts to
decide if lvm1 metadata should be tested. LVM_TEST_LVM1
is not defined when lvmetad is being tested, and the
combination of LVM_TEST_LVM1 and LVM_TEST_LVMETAD can
be used to verify the desired lvmetad+lvm1 behavior.
Rather then skipping whole test - just do not use it.
Failing tests that have required delay need to deal with reality
and shell either check for HAVE_DM_DELAY and skip portion
of test or using should when needed.
Avoid running tests, when prefix already exist in the system.
As prefix just uses PID number, we may hit a case for long
running tests, where devices from some previous runs were not
properly cleared away - detect this and fail early.
(Such machine should be inspected and fixed).
