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add info for various commits, most significant were:
- toollib: close connection to lvmetad after fork
(fe30658a4d)
- toollib: do not spawn polling in lv_change_activate
(c26d81d6e6)
- pvmove: split pvmove_update_metadata function
(65623b63a2)
- lvconvert: move poll code in before refactoring
(5190f56605)
- pvmove: move poll code in before refactoring
(a098aa419f)
--withfullcomments prints all comment lines for each config option.
--withcomments prints only the first comment line, which should be
a short one-line summary of the option.
Previous commit has made have_cache & have_thin producing
false return value.
Fix it and at the some time provide much better reconfiguring
warning message.
If the test machine is missing needed and configured binaries
it will produce TEST WARNING result.
When a var like LVM_TEST_THIN_CHECK_CMD is set to ""
(which is valid) we need to correctly use '-'.
Otherwise ':-' replaces such value with built-in default.
There are two reasons for this: first, this allows the client side to notice
that some PV has multiple devices associated with it and print appropriate
warnings. Second, if a duplicate device pops up and disappears, after this
change the original connection between the PV and device is not lost.
This removes dependency on lvm binary - if it's not present, all LVM
processing is skipped (shouldn't normally happen because if lvm binary
is missing then there's obviously nothing that would activate it, but
let's make sure).
Without this tight dependency on lvm, the blkdeactivate script can
be packaged with libdevmapper/dmsetup (in contrast to lvm as it was
before) and as such the script can still be used to handle other DM
devices.
Put in pvmove background process into list quickly.
Update API for aux add_to_kill_list()/kill_listed_processes().
Run on 'background' (&) only non-background pvmoves.
If the system is correctly configure (cache & thin tools are present)
avoid 'extra' rebuild of configuration.
On the other hand - if some tool is missing - duplicate ##LVMCONF should
make it more straighforward to see.
sharing connection between parent command and background
processes spawned from parent could lead to occasional failures
due to unexpected corruption in daemon responses sent to either child
or a parent.
lvmetad issued warning about duplicate config values in request.
LVM commands occasionaly failed w/ internal error after receving
corrupted response.
lvmetad connection is renewed when needed after explicit disconnect
in child
spawning a background polling from within the lv_change_activate
fn went to two problems:
1) vgchange should not spawn any background polling until after
the whole activation process for a VG is finished. Otherwise
it could lead to a duplicite request for spawning background
polling. This statement was alredy true with one exception of
mirror up-conversion polling (fixed by this commit).
2) due to current conditions in lv_change_activate lvchange cmd
couldn't start background polling for pvmove LVs if such LV was
about to get activated by the command in the same time.
This commit however doesn't alter the lvchange cmd so that it works same as
vgchange with regard to not to spawn duplicate background pollings per
unique LV.
Reenable TESTDIR & PREFIX replacement.
Since we need to replace string in proper order (1st. @TESTDIR@,
2nd. @PREFIX@), drop map and use plain string.
Drop timestamp logging when 'stacktracing'
This patch adds new options to lvmconf:
--enable-halvm (just like --enable-cluster, but configure LVM
for use in HA LVM - meaning disabling lvmetad and
making sure we have locking_type=1)
--disable-halvm (just like --disable-cluster, but configure LVM
back from HA LVM - meaning enabling lvmetad if
it's enabled by default and making sure we have
default locking type set)
--services (causes clvmd and lvmetad services to be enabled or
disabled appropriately and conforming to the changes
in lvm configuration we've just made with lvmconf)
--mirrorservice (in addition to clvmd and lvmetad services, also
enable or disable cmirrord service appropriately;
this is a separate option because cmirrord is
optional and it doesn't need to be always enabled
when clvmd is enabled)
--startstopservices (in addition to enabling or disabling services,
start and stop these services immediately)
These options are supposed to help users to make their system ready
for cluster with clvmd (active-active) or HA LVM (active-passive) use
while lvmconf script can handle services as well so users don't need
to bother about setting them manually.
Also, before this patch, we hardcoded global/use_lvmetad=0 as default
value in lvmconf script. Howeverm this default may change by just
flipping the value in config_settings.h and we may forget to edit
the lvmconf. It's better to use lvm dumpconfig --type default global/use_lvmetad
to get the actual default value and use this one instead of hardcoded one.
When performing initial allocation (so there is nothing yet to
cling to), use the list of tags in allocation/cling_tag_list to
partition the PVs. We implement this by maintaining a list of
tags that have been "used up" as we proceed and ignoring further
devices that have a tag on the list.
https://bugzilla.redhat.com/983600
