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And use ifdefs there, not exposing it in the tool code itself.
Later in the future, we should probably make the PIDFILE and
daemon checking code available also in case the daemon itself
is not built.
If the user supplies a '--yes' argument, then don't bother them with
a question to confirm whether to change the cluster attribute (even
if clvmd isn't running).
If clvmd is not running or the locking type is not clustered and someone
attempts to set the cluster attribute on a volume group, prompt them to
see if they are sure. (Only prompt for one though. If neither are true,
simply ask them once.)
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...
Replace AC_PATH_PROG with AC_PATH_TOOL.
Drop 'x' when already using "" around shell variable.
Simlify some long line and ifs.
Merge multiple test evaluation with '-a', '-o'.
Use 'case' instead if several ifs when it's more elegant.
Improve usage of pkg_config_init and add it where it's been missing.
Check for UDEV_HAS_BUILTIN_BLKID and when building udev-rules.
Since we advertise 'none' as mangling name, accept it.
Keep it backward compatible and leave disabled option still working
(though I guess there is likely no user of this option...)
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.
As part of better error handling, remove DM devices that have been
sucessfully created but failed to load a table. This can happen
when pvmove'ing in a cluster and the cluster mirror daemon is not
running on a remote node - the mapping table failing to load as a
result. In this case, any revert would work on other nodes running
cmirrord because the DM devices on those nodes did succeed in loading.
However, because no table was able to load on the non-cmirrord nodes,
there is no table present that points to what needs to be reverted.
This causes the empty DM device to remain on the system without being
present in any LVM representation.
This patch should only be considered a partial fix to the overall
problem. This is because only the device which failed to load a
table is removed. Any LVs that may have been loaded as requirements
to the DM device that failed to load may be left in place. Complete
clean-up will require tracking those devices which have been created
as dependencies and removing them along with the device that failed
to load a table.
Accidently it's been commited - but it has also shown,
that on heavy loaded systems (like our test machine could be)
slightly bigger timeouts which waits longer for udev rules
processing does help and avoids occasional refuse of deactivation
because device is still being open.
(i.e. lvcreate...; lvchange -an...)
Unsure how we could now synchronize for this. On very slow(/loaded)
system 5 second timeout is simply not enough.
TODO: introduce at least lvm.conf configurable setting to
allow longer 'retry' loops.
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
Reindent lv_check_not_in_use to simplify internal loop code.
Also return always '0/1' (drop -1) - since we only
check for failure (0) - and we don't really know
why lv_info() has failed.
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.
Warn when --udevcookie/DM_UDEV_COOKIE is used with 'dmsetup remove --force'.
When command is doing multiple ioctl operations on a single device,
it may invoke udev activity, that is colliding with further ioctl commands.
The result of such operation becomes unpredictable.
Use of --retry could partially help...
Disable code which has postprocessed whole tree and reset udev flags.
We need to find out which case was troublesome - since this loop
was just hidding bug in other code parts (most probably preload tree)
