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In general, --select should be used to specify a VG by UUID,
but vgrename already allows a uuid to be substituted for
the name, so continue to allow it in that case.
If the VG arg from the command line does not match the
name of any known VGs, then check if the arg looks like
a UUID. If it's a valid UUID, then compare it to the
UUID of known VGs. If it matches the UUID of a known VG,
then process that VG.
Pass the single vgname as a new process_each_vg arg
instead of setting a cmd flag to tell process_each_vg
to take only the first vgname arg from argv.
Other commands with different argv formats will be
able to use it this way.
If two different VGs with the same name exist on the system,
a command that just specifies that ambiguous name will fail
with a new error:
$ vgs -o name,uuid
...
foo qyUS65-vn32-TuKs-a8yF-wfeQ-7DkF-Fds0uf
foo vfhKCP-mpc7-KLLL-Uh08-4xPG-zLNR-4cnxJX
$ lvs foo
Multiple VGs found with the same name: foo
Use the --select option with VG UUID (vg_uuid).
$ vgremove foo
Multiple VGs found with the same name: foo
Use the --select option with VG UUID (vg_uuid).
$ lvs -S vg_uuid=qyUS65-vn32-TuKs-a8yF-wfeQ-7DkF-Fds0uf
lv1 foo ...
This is implemented for process_each_vg/lv, and works
with or without lvmetad. It does not work for commands
that do not use process_each.
This change includes one exception to the behavior shown
above. If one of the VGs is foreign, and the other is not,
then the command assumes that the intended VG is the local
one and uses it.
This makes process_each_vg/lv always use the list of
vgnames on the system. When specific VGs are named on
the command line, the corresponding entries from
vgnameids_on_system are moved to vgnameids_to_process.
Previously, when specific VGs were named on the command
line, the vgnameids_on_system list was not created, and
vgnameids_to_process was created from the arg_vgnames
list (which is only names, without vgids).
Now, vgnameids_on_system is always created, and entries
are moved from that list to vgnameids_to_process -- either
some (when arg_vgnames specifies only some), or all (when
the command is processing all VGs, or needs to look at
all VGs for checking tags/selection).
This change adds one new lvmetad lookup (vg_list) to a
command that specifies VG names. It adds no new work
for other commands, e.g. non-lvmetad commands, or
commands that look at all VGs.
When using lvmetad, 'lvs foo' previously sent one
request to lvmetad: 'vg_lookup foo'.
Now, 'lvs foo' sends two requests to lvmetad:
'vg_list' and 'vg_lookup foo <uuid>'.
(The lookup can now always include the uuid in the request
because the initial vg_list contains name/vgid pairs.)
Just for convenience to display all new configuration settings
introduced since given version (before, there was only --atversion
to display settings introduced in concrete version).
For example:
$ lvmconfig --type new --sinceversion 2.2.120
allocation {
# cache_mode="writethrough"
# cache_settings {
# }
}
global {
use_lvmlockd=0
# lvmlockd_lock_retries=3
# sanlock_lv_extend=256
use_lvmpolld=1
}
activation {
}
# report {
# compact_output_cols=""
# time_format="%Y-%m-%d %T %z"
# }
local {
# host_id=0
}
Avoid internal error message where thin pool repair code tries to
fix cache pool - was catched later in code stack, so rather
catch this early and make the repair function exlusive
to thin pools.
So far we have no code for repairing cache pools
(other then the automatic during activation/deactivation).
Add missing display_lvname in _lvconvert_merge_thin_snapshot().
Also when we detect missing origin, report Internal error,
which would likely be the primary fault here
(and avoid dereft of NULL origin as noticed by Coverity).
When the first arg is a UUID and vgrename translates
that UUID to a current VG name, the old and new VG
names are not being checked for equality. If they
are equal, it produces an internal error rather than
a proper error.
Coverity here is not fully-in-picture - but please it
with validation of pointer which currently cannot be null,
since we always return at least empty string.
This option could never have been printed in lvm2 metadata, so it could
be safely removed as it could have been set only as 0.
These configurable setting is supported via metadata profile.
The recent addition to check for PVs that were
missed during the first iteration of processing
was unintentionally catching duplicate PVs because
duplicates were not removed from the all_devices
list when the primary dev was processed.
Also change a message from warn back to verbose.
If a VG is removed between the time that 'vgs'
or 'lvs' (with no args) creates the list of VGs
and the time that it reads the VG to process it,
then ignore the removed VG; don't report an error
that it could not be found, since it wasn't named
by the command.
PVs could be missing from the 'pvs' output if
their VG was removed at the same time that the
'pvs' command was run. To fix this:
1. If a VG is not found when processed, don't
silently skip the PVs in it, as is done when
the "skip" variable is set.
2. Repeat the VG search if some PVs are not
found on the first search through all VGs.
The second search uses a specific list of
PVs that were missed the first time.
testing:
/dev/sdb is a PV
/dev/sdd is a PV
/dev/sdg is not a PV
each test begins with:
vgcreate test /dev/sdb /dev/sdd
variations to test:
vgremove -f test & pvs
vgremove -f test & pvs -a
vgremove -f test & pvs /dev/sdb /dev/sdd
vgremove -f test & pvs /dev/sdg
vgremove -f test & pvs /dev/sdb /dev/sdg
The pvs command should always display /dev/sdb
and /dev/sdd, either as a part of VG test or not.
The pvs command should always print an error
indicating that /dev/sdg could not be found.
Commit 1a74171ca5 added
a check to ignore a VG that was FAILED_INCONSISTENT
if the command doesn't care if the VG is not found.
Remove that check because that case is never reached
by the current code.
The ONE_VGNAME_ARG was being passed and tested as
vg_read() flag but it's a cmd struct flag.
(It affects command arg processing in toollib,
not vg_read behavior. Flags related to command
processing are generally cmd struct flags, while
vg_read arg flags are generally related to vg_read
behavior.)
Running "vgremove -f VG & pvs" results in the pvs
command reporting that the VG is not found or is
inconsistent. If the VG is gone or being removed,
the pvs command should just skip it and not print
errors about it.
"Not found" is because the pvs command created the
list of VGs to process, including VG, then vgremove
removed the VG, then the pvs command came to to read
the VG to process it and did not find it.
An "inconsistent" error could be reported if vgremove
had only partially completed removing VG when pvs did
vg_read on the VG to process it, causing pvs to find
the VG in a partially-removed state.
This fix adds a flag that pvs uses to ignore a VG
that can't be read or is inconsistent.
Make lvm2_disable_dmeventd_monitoring() more explicit.
As memlock_inc_daemon() is also used by clvmd, which
does changes dmeventd and suspend ignore state at
some stages - make updates of these 2 variable
tied to the call of lvm2_disable_dmeventd_monitoring().
Once this call is made dmeventd monitoring
and suspended devices are ignored.
TODO: all lvm-global settings should really be moved
to command context.
CONVERTING status flag is a tricky one. It's not set when converting
a non-mirror LV type to the mirror type, i.e.: linear -> two leg mirror.
Also the conversion itself is instant and doesn't require to be polled.
When mirror reaches sync state there's no final update on VG metadata
for lvmpolld to be made thereby report_progress in fact doesn't report
percentage of mirror being converted but percentage of mirror
being in sync. Perhaps we should reword the lvconvert output here.
On the other hand CONVERTING is set while we upconvert the mirror
from i.e. two leg mirror to four leg mirror. In such case the operation
is required to be polled so that lvmpolld can cleanup temporary
conversion log when the conversion is over.
Ignore CONVERTING lv_type for the moment and match LVs only by uuids
during 'mirror conversion'/'waiting for a sync to finish'.
The old code made two loops through the PVs: in the first
loop it found the max PV and VG name lengths, and in the
second loop it printed each PV using the name lengths as
field widths for aligning columns.
The new code uses process_each_pv() which makes one loop
through the PVs. In the *first* call to pvscan_single(),
the max name lengths are found by looping through the
lvmcache entries which have been populated by the generic
process_each code prior to calling any _single functions.
Subsequent calls to pvscan_single() reuse the max lengths
that were found by the first call.
The new report/compact_output_cols setting has exactly the same effect
as report/compact_output setting. The difference is that with the new
setting it's possible to define which cols should be compacted exactly
in contrast to all cols in case of report/compact_output.
In case both compact_output and compact_output_cols is enabled/set,
the compact_output prevails.
For example:
$ lvmconfig --type full report/compact_output report/compact_output_cols
compact_output=0
compact_output_cols=""
$ lvs vg
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
lvol0 vg -wi-a----- 4.00m
---
$ lvmconfig --type full report/compact_output report/compact_output_cols
compact_output=0
compact_output_cols="data_percent,metadata_percent,pool_lv,move_pv,origin"
$ lvs vg
LV VG Attr LSize Log Cpy%Sync Convert
lvol0 vg -wi-a----- 4.00m
---
$ lvmconfig --type full report/compact_output report/compact_output_cols
compact_output=1
compact_output_cols="data_percent,metadata_percent,pool_lv,move_pv,origin"
$ lvs vg
LV VG Attr LSize
lvol0 vg -wi-a----- 4.00m
