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Enable handling of --poolmetadataspare so if user can prevent
creation of _pmspare volume during --repair operation (just
like during actual lvcreate or lvconvert) for pool volumes.
The following commands now pass the device list through a
--select|-S filter before processing:
suspend resume clear wipe_table remove deps status table
In a shared VG, lvconvert must be used to create thin pools
and cache pools, not the lvcreate variants of those commands.
Deny these cases early in lvcreate using the new command defs.
Denying these cases deeper in the code was missing some
cleanup of the partially completed command.
If the PV was originally created with a larger-than-default
metadata area the restored one wasn't and might not even be
large enough to hold the metadata!
Previously the cache remembered an existing bootloaderarea and
reinstated it (without even checking for overlap) when asked to
write out the PV. pvcreate could write out an incorrect layout.
Add the new concise format to dmsetup create, either as a single
command-line parameter or from stdin.
Based on patches submitted by
Enric Balletbo i Serra <enric.balletbo@collabora.com>.
Avoid adding -g more then once for debug builds.
Avoid enabling DEBUG_MEM when we build multithreaded tools.
Link executables with -fPIE -pie and --export-dynamic LDFLAGS
Introduce PROGS_FLAGS to add option to pass flags for external libs.
Link lvm2 internally library only when really used.
Link DAEMON_LIBS with daemons.
Pass VALGRIND_CFLAGS internally
Set shell failure mode on couple places.
lvm2 warned about zeroing and too big chunksize (>=512KiB), but
only during lvconvert, so lvcreate was creating thin-pools
without any warning about possible slowness of thin provisioning
because of zeroing.
Create a new table output format that concisely shows multiple devices
on one line.
dmsetup table --concise [device...]
<dev_name>,<uuid>,<flags>[,<table>]*[;<dev_name>,<uuid>,<flags>[,<table>]*]*
Table lines are separated by commas.
Devices are separated by semi-colons.
Flags is currently 'ro' or 'rw' (and might be extended in a
yet-to-be-defined way in future).
Any comma, semi-colon or backslash within a field is quoted by a
preceding backslash.
The format can later be supplied as input to dmsetup or even to the
booting kernel as an alternative way to set up devices.
Based on patches submitted by
Enric Balletbo i Serra <enric.balletbo@collabora.com>.
Add an independent command definition for "vgchange --locktype",
and split the implementation out of the set of common metadata
changes. It is unlike normal metadata changes, and can only
be run by itself. (Changing the lock type is similar in
principle to changing the VG name or the VG system ID; it
effects the ability of any host to see or access the VG.)
At some point this command lost the ability to forcibly change
the lock type of a shared VG to "none" (making it a local VG).
This can be necessary to repair shared VGs (e.g. recovery steps
that occur in vg_read are disabled for shared VGs because
they are not locked properly, or recovering sanlock locks
when the PV holding them is lost.)
"vgchange --locktype none --lockopt force VG" is used as the
method of forcing the shared VG to become local so that it
can be repaired.
Commit 9b4b5d449e started to accept
rather way to wide set of strings we do not want to take for size.
i.e. lvresize -t vg0/lvol0 -LNaNM
Restore check for 'digit || locales defined 'dot' | '.'
(as we tend to take '.' even if locales uses ',')
Explictely detect duplicate sing symbols and leave the rest of
double number validation on 'strtod()' function. This way
we can also accept size like:
lvcreate -L.1M
We already accept -L0.1M - but it's common to accept numbers
starting with leading '.' - just as 'strtod()' accepts it).
API for strtod() or strtoul() needs reset of errno, before it's being
called. So add missing resets in missing places and some also some
errno validation for out-of-range numbers.
Since we are reading size as (double) we can get way bigger
number then just plain int64. So to make this check actually
more valid and usable do a maxsize compare in 'double'.
Fix the error messages when an unrecognized command is
run from a script. We shouldn't attempt to parse options
for an unrecognized command name, which causes misleading
errors about bad options, but rather exit right when we
know the command name is not valid. Also don't complain
about exiting without an error message when running a
script if no command didn't exist.
lvm_run needs to place NULL as the last element into argv[].
Otherwise we get:
Conditional jump or move depends on uninitialised value(s)
_command_required_pos_matches (lvmcmdline.c:1443)
_find_command (lvmcmdline.c:1610)
lvm_run_command (lvmcmdline.c:2770)
lvm2_run (lvmcmdlib.c:91)
When raid leg rimage device is marked as 'D'ead by mdcore,
lvm2 was not able to replace such device with allocate policy,
as device has not appared as missing.
Add detection of transiently failing devices.
When old snapshot is merged, lvm2 still can report some data about
merged 'snapshot' - i.e. it occupied space in VG.
This patch fixes regression from commit:
6fd20be629
and resolved RHBZ: 1460161
Code path missed validation of lvcreate --cachepool argument.
If the non cache-pool LV was passed in, code has still continued
further work and failed later on internal error. Validate this
condition at right place now.
Add an exception to not allowing lvchange to change properties
on hidden LVs. When a thin pool data LV is a cache LV, we
need to allow changing cache properties on the tdata sublv of
the thin pool.
Trap cases where the percentage calculation currently leads to an empty
LV and the message:
Internal error: Unable to create new logical volume with no extents
Additionally convert the calculated number of extents from physical to
logical when creating a mirror using a percentage that is based on
Physical Extents. Otherwise a command like 'lvcreate -m3 -l80%FREE'
can never leave any free space.
This brings the behaviour closer to that of lvresize.
(A further patch is needed to cover all the raid types.)
There were a handful of references to other man
pages using the standard command(N) form which were
not in bold, so they were not turned into links
in html formats.
Clean up the handling of memory used for cmd defs
so it doesn't trip up memory debugging.
Allocate memory for commands[] from libmem.
Free temporary memory used by define_commands()
at the end of the function.
Clear all the command def state in in lvm_fin().
Using any arg with a command name in a script file
would cause the command to fail.
The name of the script file being executed was being passed
to lvm_register_commands() and define_commands(), which
prevented command defs from being defined (simple commands
were still being defined only by name which was enough for those
to still work when run trivially with no args).
The logic for suggesting the nearest valid command syntax
was missing the simplest case. If a command has only one
valid syntax, that is the one we should suggest. (We were
suggesting nothing in this case.)
If the device size does not match the size requested
by --setphysicalvolumesize, then prompt the user.
Make the pvcreate checking/prompting code handle
multiple prompts for the same device, since the
new prompt can be in addition to the existing
prompt when the PV is in a VG.
Unless a change of the regionsize is requested via "lvconvert -R N ...",
keep the region size when the number of images changes in a raid1 LV.
Related: rhbz1443705
Unless a change of the regionsize is requested via "lvconvert -R N ...",
keep the region size when the number of images changes in a raid1 LV.
Resolves: rhbz1443705
When a cmd def RULE fails because of a disallowed
combination of options, improve the error message
to show the option combination, not just the options
that broke the rule.
A command def can include a specific constant option value,
but the value was not being checked for optional opts.
e.g. this is an incorrect command and does not match any
command defs:
lvconvert --type cache --cachepool vg/lv
However, it was mistakely being matched to this cmd def,
where the required options match, but the optional options
do not:
lonvert --cachepool LV_linear_striped_raid_cachepool
OO: --type cache-pool, ...
The optional options were mistakely considered matching
because 'cache' and 'cache-pool' were not being compared.
lvchange/lvconvert operations that do not require the LV
to already be active need to acquire a transient LV lock
before changing/converting the LV to ensure the LV is not
active on another host. If the LV is already active,
a persistent LV lock already exists on the host and the
transient LV lock request is a no-op.
Some lvmlockd locks in lvchange were lost in the cmd def
changes. The lvmlockd locks in lvconvert seem to have
been missed from the start.
The actual value specified by the --poll y|n option was not
being used. The way the --poll value is used is hidden
through an indirection where the value is stored in a
global variable at the start of the command, and then the
value is read from there later. Setting the global
variable early in the command had been lost with the
cmd def changes.
Fill in some gaps where old versions of lvm allowed
--poll and --monitor in combination with other operations,
but those combinations had been lost since the cmd def work.
(The new cmd def code also added some combinations that
had been missed by the old code.)
Changes:
lvchange --activate: add poll and monitor options, and
add calls to them in implementation.
lvchange --refresh: add monitor option (poll already there),
and call to monitor in implementation.
lvchange <metadata ops>: add poll and monitor options, and
add calls to them in implementation.
vgchange <metadata ops>: add poll option (call to poll
already in implementation).
vgchange --refresh: remove monitor option (not used by code)
lvchange --persistent y: add poll and monitor options, and
add calls to them, and to activate
in the implementation. (Making it
match the main lvchange metadata
command.)
Summary of current usage:
lvchange --activate: monitor, poll
vgchange --activate: monitor, poll
lvchange --refresh: monitor, poll
vgchange --refresh: poll
lvchange --monitor: ok
lvchange --poll: ok
lvchange --monitor --poll: ok
vgchange --monitor: ok
vgchange --poll: ok
vgchange --monitor --poll: ok
lvchange <metadata ops>: monitor, poll
vgchange <metadata ops>: poll
Enhance commit 25b5915c9b
to process options requiring immediate metadata commits
and reloads after those we can group together doing just
one commit and an optional reload for the whole group.
Backup metadata after processing options successfully.
Related: rhbz1437611
Don't abbreviate the --help output quite as much
when there are many command defs. Print all the
options in the cmd defs that are shown. --longhelp
output is unchanged and includes everything.
