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This test never passes on loop back, so we will skip unless the
pv devices are real devices which contain `/dev/sd`.
We always fail because we need lvm to run slow to get a timer to
pop, and loopback are too fast.
If you run multiple runs of unittest.main, unless you don't pass exit=true
the test case always ends with a 0 exit code. Add ability to store the
result of each invocation of the test and exit with a non-zero exit code
if anyone of them fail.
In case a RAID orig LV is being cached and fails, repair is impossible because
"lvconvert --repair" gets rejected.
Fix by allowing repair on cache orig RAID LVs and
"lvconvert --replace/--mirrors/--type {raid*|mirror|striped|linear}" as well.
Allow the same lvconvert actions on any cache pool and metadata RAID SubLVs.
Resolves: rhbz1380532
The following LvCommon properties were added so that the API
would have the same functionality as lvm2app has.
LvCommon.MetaDataSizeBytes
LvCommon.Attr
LvCommon.MetaDataPercent
LvCommon.CopyPercent
LvCommon.SnapPercent
LvCommon.SyncPercent
Fix missing wait so we have paired waiting.
Also 'wait' for precise PID to get 'exit' code.
Test for 'error' replacing only with newer snapshot targets.
The old one will wait for resume.
Note: 'wait -n' is not always available so can't be used..
Integrate back _unblock_sigalrm() and check for error code of
pthread_sigmask() function so we do not use uninitialized
sigmask_t on error path (Coverity).
When a PV device is missing lvm will return '[unknown]' for the device
path. The object manager keeps a hash table lookup for uuid and for PV's
device name. When we had multiple PVs with the same device path we
we only had 1 key in the table for the lvm id (device path). This caused
a problem when the PV device transitioned from '[unknown]' to known as any
subsequent transitions would cause an exception:
Traceback (most recent call last):
File "/usr/lib/python3.5/site-packages/lvmdbusd/request.py", line 66, in run_cmd
result = self.method(*self.arguments)
File "/usr/lib/python3.5/site-packages/lvmdbusd/manager.py", line 205, in _pv_scan
cfg.load()
File "/usr/lib/python3.5/site-packages/lvmdbusd/fetch.py", line 24, in load
cache_refresh=False)[1]
File "/usr/lib/python3.5/site-packages/lvmdbusd/pv.py", line 48, in load_pvs
emit_signal, cache_refresh)
File "/usr/lib/python3.5/site-packages/lvmdbusd/loader.py", line 80, in common
cfg.om.remove_object(cfg.om.get_object_by_path(k), True)
File "/usr/lib/python3.5/site-packages/lvmdbusd/objectmanager.py", line 153, in remove_object
self._lookup_remove(path)
File "/usr/lib/python3.5/site-packages/lvmdbusd/objectmanager.py", line 97, in _lookup_remove
del self._id_to_object_path[lvm_id]
KeyError: '[unknown]'
when trying to delete a key that wasn't present. In this case we don't add a
lookup key for the device path and the PV can only be located by UUID.
Ref: https://bugzilla.redhat.com/show_bug.cgi?id=1379357
Works if the pool is inactive.
Activation code doesn't notice a new raid dependency in on-disk metadata
when a thin LV is already active.
https://bugzilla.redhat.com/1365286
The dm_stats_delete_region() call removes a region from the bound
device, and, if the region is grouped, from the group leader
group descriptor stored in aux_data.
To do this requires a listed handle: previous versions of the
library do not since no dependencies exist between regions without
grouping.
This leads to strange behaviour when a command built against an old
version of the library is used with one supporting groups. Deleting
a region with dmstats succeeds, but logs errors:
# dmstats list
Name RgID RgSta RgSiz #Areas ArSize ProgID
vg_hex-root 0 0 1.00g 1 1.00g dmstats
vg_hex-root 1 1.00g 1.00g 1 1.00g dmstats
vg_hex-root 2 2.00g 1.00g 1 1.00g dmstats
# dmstats delete --regionid 2 vg_hex/root
Region ID 2 does not exist
Could not delete statistics region.
Command failed
# dmstats list
Name RgID RgSta RgSiz #Areas ArSize ProgID
vg_hex-root 0 0 1.00g 1 1.00g dmstats
vg_hex-root 1 1.00g 1.00g 1 1.00g dmstats
This happens because the call to dm_stats_delete_region() is inside
a dm_stats_walk_*() iterator: upon entry to the call, the iterator
is at its end conditions and about to terminate. Due to the call to
dm_stats_list() inside the function, it returns with an iterator at
the beginning of a walk and performs a further iteration before
exiting. This final loop makes a further attempt to delete the
(already deleted) region, leading to the confusing error messages.
The current dmsetup.c handles DR_STATS and DR_STATS_META reports
separately in _display_info_cols(), meaning that the stats walk
functions are never called for these report types.
Versions before v2.02.159 have a loop using dm_stats_walk_do() and
dm_stats_walk_while(), that executes once for non-stats reports,
and once per region, or area, for DR_STATS/DR_STATS_META reports.
This older behaviour relies on the documented behaviour that the
walk functions will accept a NULL pointer as the struct dm_stats*
argument.
This was broken by commit f1f2df7b: the NULL test on dms and
dms->regions were incorrectly moved from the dm_stats_walk_end()
wrapper to the internal '_stats_walk_end()' helper.
Since the pointer is dereferenced in between these points, using
an older dmsetup with current libdm results in a segfault when
running a non-stats report:
# dmsetup info -c vg00/lvol0
Segmentation fault (core dumped)
Restore the NULL checks to the wrapper function as intended.
We shouldn't be losing pvscans just because of the fact that the
underlying device (PV) appears and disappears quickly in the system,
otherwise lvmetad may not see the device if it appears again (or it may
still keep the device in cache even it's already gone).
We added lightweight toolcontext handle to avoid useless initialization
of some parts of the context and also to avoid problems when using the
handle very soon at system boot, like in lvm2-activation-generator
through lvm2app interface. However, we missed reading all the other
config sources like lvmlocal.conf as well as any tag config - we need to
read these too to get the final config value which may be overriden in
any of these additional config sources.
Currently, we use this lightweight toolcontext handle to read
global/use_lvmetad and global/use_lvmpolld config values in
lvm2-activation-generator using lvm2app interface (lvm_config_find_bool
lvm2app function).
Pre 1.9 dm-raid targets status output was racy, which caused
the device status chars to be unreliable _during_ synchronization.
This shows paritcularly with tiny test devices used.
Enhance lvchange-rebuild-raid.sh to not check status
chars _during_ synchronization. Just check afterwards.
Though I'm not quite sure why we push this limit on user,
current --repair logic requires user to wait outside of command.
TODO: I'm not quite sure this repair logic is 'the most wanted'.
Make sure that the temporary dm_histogram used for the bounds
argument is freed in the case that the user provided a --bounds
argument on the command line.
The dm-raid target now rejects device rebuild requests during ongoing
resynchronization thus causing 'lvconvert --repair ...' to fail with
a kernel error message. This regresses with respect to failing automatic
repair via the dmeventd RAID plugin in case raid_fault_policy="allocate"
is configured in lvm.conf as well.
Previously allowing such repair request required cancelling the
resynchronization of any still accessible DataLVs, hence reasoning
potential data loss.
Patch allows the resynchronization of still accessible DataLVs to
finish up by rejecting any 'lvconvert --repair ...'.
It enhances the dmeventd RAID plugin to be able to automatically repair
by postponing the repair after synchronization ended.
More tests are added to lvconvert-rebuild-raid.sh to cover single
and multiple DataLV failure cases for the different RAID levels.
- resolves: rhbz1371717
