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Since vg_validate() now rejects LVs without segments and
insert_layer_for_segments_on_pv() gets just created
'layer_lv' without segment, it needs to be hidden
from vg->lvs during processing of _align_segment_boundary_to_pe_range()
as this function calls lv_validate() and now requires
vg to be consistent. LV is then put back into vg->lvs.
There are two known bugs in the lvconvert-raid-status-validation.sh
test. The first one I consider to be more of an annoyance (1507719).
The second one I consider to be more serious (1507729).
RHBZ 1507719 simply documents the fact that the three RAID status
fields may not always be coherent due to the way they are set and
unset when the MD thread is shutting down and starting up. For
example, the sync ratio may be 100% but the sync action may not
yet have switched to "idle" and the health characters may not yet
all be 'A's (i.e. the devices set to InSync).
RHBZ 1507729 is more serious. The sync ratio can be 100% for a
short period of time after upconverting linear -> RAID1. It is
reset to 0 once the MD sync thread gets to work on it. It does
this because, technically, the array /is/ in-sync if the new
devices are excluded - i.e. the data is 100% available and
consistent. I'm not sure what to do about this problem, but we'd
much rather not have this state that looks exactly like the
end of the process when the sync ratio is 100% because the
"recover" process finished, but the sync action and health
characters haven't been updated yet. Put simply, the problem
is that we can't tell if a sync is starting or finished based
on the status output.
Since 4fa5add6b1 ("pvcreate: Wipe cached
bootloaderarea when wiping label.") label_remove is responsible
for the lvmcache_del. (toollib and liblvm need fixing to share
the code.)
Preload reiserfs module for the case, fs is present/compiled for a
kernel but it's not present in memory.
Size reducition needs --yes confirmation to preceed for reiserfs.
Correct reported message when thin snapshot has been already merged.
So lvm2 is no longer reporting "Mergins of snapshot X will occur..."
(even with swapped names).
When an ignored metadata area gets flagged for use again, make sure the
code doesn't try to parse its old metadata. Firstly by trying to detect
this situation and skipping the read (while still remembering the
position reached in the circular buffer), and secondly by clearing the
invalid live metadata location on disk as a precaution when subsequently
writing out the precommitted metadata.
Problems showed up when a metadata area in one VG got moved to
another VG in ignored state (still holding metadata for the original
VG) and then later got brought into use in the new VG - only the header
should be read in this case, not any of the metadata content.
vgsplit shares the vg_rename code so that must only set the PV_MOVED_VG
flag introduced in commit 486ed10848
("vgmerge: Fix intermediate metadata corruption") on PVs that moved.
Since both lvcreate and lvconvert needs to check for same
type of allowed origin for snapshot - move the code into
a single function.
This way we also fix several inconsitencies where snapshot
has been allowed by mistake either through lvcreate or
lvconvert path.
Generation of man pages is generating lot of barely readable output.
For normal build quietize this a bit.
For original verbose build start to use 'make V=1'
(just like i.e. linux kernel does)
TODO: apply at more places...
Converting from one raid level to another, no changes
of stripes or stripesize can be requested because those
are subject to reshaping. I.e. the process requires to
takeover first and secondly request raid algorithm,
stripe or stripesize changes.
Ignore any related changes display warninngs
and proceed with the takeover.
Without this patch, a takeover requesting
stripesize change causes data corruption!
Just like with other vars support this:
make check_local T=xyz LVM_LOG_FILE_MAX_LINES=10000000
Allows easily to override existing line limit.
Also increase limiting size of logs per command since some of
our commands are becoming very verbose....
Add explaining message, when command was aborted due to the reach
of configure line number count (LVM_LOG_FILE_MAX_LINES)
for logging (used mainly with testing).
Last patch missed to mention, we've improved/fixed generated paths
in units and init.d shell scripts when lvm2 was plainly configured
with just i.e. --prefix.
Note: some distros might have fully specified --sbindir and
--usrsbindir - thus those very not seeing problems in generated paths.
Replace lowercase @sbindir@ with @SBINDIR@ which contains
fully decoded path.
Same with @usrsbindir@ which is also used with clvmd and cmirrord.
Also handle SYSCONFDIR for EnvironmentFile.
Patch fixes generated unit files with strings like:
ExecStart=${exec_prefix}/sbin/lvm
Introduce few more AC_SUBST vars for usage in *.in generation.
In some case we want to replace i.e. $sbindir with full path
instead of current ${exec_prefix}/sbin.
This patch provides:
USRSBINDIR
SBINDIR
DEFAULT_SYS_LOCK_DIR
SYSCONFDIR
At the same time properly use sbindir & usrsbindir with
lvm, fsadm, clvmd from one primary definition.
Do not allow to take snapshot of mirror/raid leg or log or metadata LV.
This was actually never supported, but user was able to create it,
and this put device stack in hardly fixable state (needs manual work).
This prevents such creation to pass.
Also improve validation when recreating snapshot volume type
from origin and COW volume.
Correction to function for extracting vgname out of lvconvert
parameters.
Avoid repeating some checks.
Add code to handle generic options which may provide vgname in its argument
and compare them all so they match to a single vgname (otherwise it's a
error).
Extract default (envvar) vgname only when no position nor optional vgname is
found.
Fixing regression instroduce with patchset started with commit:
1e2420bca8 (2.02.169)
split resize_crypt function in two.
a) Detect proper dm-crypt device type and count new --size
value for cryptsetup resize command.
b) Perform the resize
the bug in LUKS grow/shrink decision in fsadm was
masked due to fact that default LVM2 extent size
was larger than LUKS1 default data offset for dm-crypt
mapping. The new test address this bug.
lvcreate supports a 'conversion' when caching LV.
This normally worked fine, however in case passed LV was
thin-pool's data LV with suffix _tdata we have failed to early.
As the easiest fix looks dropping validation of name when
caching type is select - such name check will happen later
once the VG is opened again and properly detect if the LV
with protected name already exists and can be converted,
or will be rejected as ambigiuous operation requiring user
to specify --type cache | --type cache-pool.
