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Avoid use of external origin with size unaligned/incompatible with
thin pool chunk size, since the last chunk is not correctly provisioned
when it is overwritten.
Avoid starting conversion of the LV to the thin pool and thin volume
at the same time. Since this is mostly a user mistake, do not try
to just convert to one of those type, since we cannot assume if the
user wanted LV to become thin volume or thin pool.
Before the fix tool reported pretty strange internal error:
Internal error: Referenced LV lvol1_tdata not listed in VG mvg.
Fixed output:
lvconvert --thinpool lvol0 -T mvg/lvol0
Can't use same LV mvg/lvol0 for thin pool and thin volume.
In preparation for other segment types that create and use "pools", we
s/create_thin_pool/create_pool/. This way it is not awkward when creating
a cachepool, for example, to use "create_thin_pool".
Several fields used to display 0 if undefined. Recent changes
to the way the fields are reported threw away some tests for
valid pointers, leading to segfaults with 'pvs -o all'.
Reinstate the original behaviour.
Boolean algebra changes for process_each_lv_in_vg().
1st.
Drop process_lv variable since it's not needed.
2nd.
process_lv was always initilized to 0 - so the condition was always true.
It the condition (!tags_supplied && !lvargs_supplied) evaluates as "true",
process_all is already set to 1, so skip vg tags evaluation.
3rd.
Move check for matching lv name in the front of lv tags check
since this check can't be skipped for lvargs_matched counter.
If this filter evaluates to true, skip lv tags evaluation.
Since activation takes only read-lock, there could be
multiple activation running in parallel.
So instead of checking before taking any real lock,
let the locking resolve the problem and just
detect if the reason for failure has been remote
exlusive activation.
It should be also faster, since each activation does
not need to do explicit lock query.
For merging thin snapshot we have to do couple extra
checks before we allow this operation.
We pretend thin-snapshot and thin-origin
are tied together and we have to properly
maintain locking.
At the end of lvconvert --snapshot with an active origin, the origin
gets reloaded.
Commit 57c0f72b1d ("lvconvert: use
_reload_lv on more places") accidentally replaced this with a snapshot
LV reload (which does nothing because only the origin is active).
Replacement of pv_read by find_pv_by_name in commit
651d5093ed caused spurious
error messages when running pvcreate or vgextend against an
unformatted device.
Physical volume /dev/loop4 not found
Physical volume "/dev/loop4" successfully created
Physical volume /dev/loop4 not found
Physical volume /dev/loop4 not found
Physical volume "/dev/loop4" successfully created
Volume group "vg1" successfully extended
Optimize and cleanup recently introduced new function wipe_lv.
Use compound literals to get nicely initialized wipe_params struct.
Pass in lv as explicit argument for wipe_lv.
Use cmd from lv structure.
Initialize only non-null members so it's easy to see what
is the special arg.
Drop find_merging_snapshot() function. Use find_snapshot()
called after check for lv_is_merging_origin() which
is the commonly used code path - so we avoid duplicated
tests and potential risk of derefering NULL point
in unhandled error path.
Use common wipe_lv (former set_lv) fn to do zeroing as well as signature
wiping if needed. Provide new struct wipe_lv_params to define the
functionality.
Bind "lvcreate -W/--wipesignatures y" with proper wipe_lv call.
Also, add "yes" and "force" to lvcreate_params so it's possible
to apply them for the prompt: "WARNING: %s detected on %s. Wipe it? [y/n]".
If the refresh fails for any reason before autoactivation, let's not
make this a stopper for autoactivation itself - just log the error
message if it appears.
The reason is that in some rare situations, we can still hit the
problem with the suspend call to fail (as already described in
commit d8085edf65, also
https://bugzilla.redhat.com/show_bug.cgi?id=1027314). The refresh
itself is done for only one reason - to refresh any dm tables
for LVs for which the underlying PVs got unplugged/disconnected
and then plugged/connected back (see also
https://bugzilla.redhat.com/show_bug.cgi?id=954061 for more info).
In this case, the major:minor pair is changed and we need to
update dm tables for LVs accordingly.
Now if refresh fails, the error is still logged, but autoactivation
continues.
If using lv/vgchange --sysinit -aay and lvmetad is enabled, we'd like to
avoid the direct activation and rely on autoactivation instead so
it fits system initialization scripts.
But if we're calling lv/vgchange --sysinit -aay too early when even
lvmetad service is not started yet, we just need to do the direct
activation instead without printing any error messages (while
trying to connect to lvmetad and not finding its socket).
This patch adds two helper functions - "lvmetad_socket_present" and
"lvmetad_used" which can be used to check for this condition properly
and avoid these lvmetad connections when the socket is not present
(and hence lvmetad is not yet running).
Whole struct will be set to 0, just
if the first member is array, gcc gives warning
we should initialized this element as array,
so pick any later simple type.
Revert 4777eb6872 which put
target_present check into init_snapshot_merge(). However
this function is also used when parsing metadata. So we would
get this present test performed even when target is not really
needed. So move this target_present test directly into lvconvert.
Add a PV create which takes a paramters object that
has get/set method to configure PV creation.
Current get/set operations include:
- size
- pvmetadatacopies
- pvmetadatasize
- data_alignment
- data_alignment_offset
- zero
Reference: https://bugzilla.redhat.com/show_bug.cgi?id=880395
Signed-off-by: Tony Asleson <tasleson@redhat.com>
Replace the code with the refactored vgreduce_single instead
of calling its own implementation.
Corrects bug: https://bugzilla.redhat.com/show_bug.cgi?id=989174
Signed-off-by: Tony Asleson <tasleson@redhat.com>
Moving the core functionality of vgreduce single into
lib/metadata/vg.c so that the command line and lvm2app library
can call the same core functionality. New function is
vgreduce_single.
Signed-off-by: Tony Asleson <tasleson@redhat.com>
