Peter Rajnoha
9482fdae35
Add support for new oom killer adjustment interface (oom_score_adj).
...
The filename to adjust the oom score was changed in 2.6.36.
We should use oom_score_adj instead of oom_adj (which is still
there under /proc, but it's scheduled for removal in August 2012).
New oom_score_adj uses a range from -1000 (OOM_SCORE_ADJ_MIN,
disable oom killing) to 1000 (OOM_SCORE_ADJ_MAX).
2011-07-28 13:03:37 +00:00
Peter Rajnoha
63019dc656
autoreconf
2011-07-28 12:59:44 +00:00
Peter Rajnoha
c3f5210734
Configure and makefile changes for newly added systemd unit files.
2011-07-28 12:57:26 +00:00
Peter Rajnoha
5c4c36b135
Add systemd unit files for dmeventd.
2011-07-28 12:54:28 +00:00
Petr Rockai
4b20b480b1
lvmetad: Edit the MISSING_PV flags only after making a "reply" copy of the
...
metadata, which is then serialised and discarded. This fixes a couple of
outstanding TODO items about handling the MISSING flags correctly.
2011-07-25 17:59:50 +00:00
Petr Rockai
0574adcaa1
lvmetad: Check integrity of multiple metadata copies, i.e. ensure that seqno
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equality implies metadata equality. Signal error in response to any update
requests that try to overwrite metadata without providing a higher seqno.
2011-07-25 15:51:51 +00:00
Petr Rockai
c33c147c9b
lvmetad: A couple of TODOs, and fix a few trivial memory leaks.
2011-07-25 15:33:04 +00:00
Zdenek Kabelac
95dd4eae53
Add simple test for read-only table reload suppression
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Just a small test for previous libdm commit.
2011-07-25 08:41:52 +00:00
Alasdair Kergon
f2bf7a1cc0
Fix read-only identical table reload supression.
2011-07-24 23:59:03 +00:00
Zdenek Kabelac
a2146d6548
Compare also file size to detect changed config file
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Clvmd detects modifed config file before it takes lv_lock.
If the config file is changed rapidly - the change was ignored within
a seocnd ranged. This patch adds also compare of file size.
So change like some flag for 0 to 1 would pass unnoticed - but
it's quick fix for failing test suite.
FIXME: Implement inotify solution.
2011-07-21 13:23:48 +00:00
Petr Rockai
3082fa5d4c
lvmetad: Obliterate vg_status by returning the same information from
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update_pv_status, saving a dozen lines of code and execution time of one
walkthrough of the PV list.
2011-07-20 21:33:41 +00:00
Petr Rockai
7d6fed35c0
lvmetad: Fix a possible infinite loop in vg_status.
2011-07-20 21:27:28 +00:00
Petr Rockai
81535db537
lvmetad: Robustify update_pv_status and remove an useless lookup.
2011-07-20 21:26:18 +00:00
Petr Rockai
b33c9d313f
First stab at making lvmetad-core threadsafe. The current design should allow
...
very reasonable amount of parallel access, although the hash tables may become
a point of contention under heavy loads. Nevertheless, there should be orders
of magnitude less contention on the hash table locks than we currently have on
block device scanning.
2011-07-20 21:23:43 +00:00
Petr Rockai
503190e499
lvmetad: Avoid stale PV -> VG mappings on metadata update.
2011-07-20 18:45:32 +00:00
Petr Rockai
fdbde27ed9
Optimise PV -> VG lookups by using a UUID (hash) map.
2011-07-20 18:34:57 +00:00
Petr Rockai
54350d68ce
Free up allocated memory before exiting, in lvmetad.
2011-07-20 18:24:49 +00:00
Petr Rockai
f342b6a862
Fix two small (but eventually unbounded) leaks in daemon-server.c.
2011-07-20 18:23:33 +00:00
Petr Rockai
28b6842556
Can't have a global memory pool in lvmetad (that would constitute an ongoing
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memory leak) => remove it (it's been unused anyway).
2011-07-20 16:49:21 +00:00
Petr Rockai
ecb4ee0b5a
Make lvmetad also report VGID in reply when adding a PV without MDAs (this
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obviously only works for VGs that already had at least some MDA discovered).
2011-07-20 16:46:40 +00:00
Petr Rockai
05e87b6b65
Add code to lvmetad's testclient that scans an actual physical device,
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effectively emulating a future "pvscan --lvmetad" command.
2011-07-20 15:15:41 +00:00
Petr Rockai
9f228ea974
Make lvmetad report the VG ID and status (complete, partial) in reply to pv_add
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requests.
2011-07-20 15:14:17 +00:00
Petr Rockai
e36cd89437
Towards MISSING (PV) flag management in lvmetad.
2011-07-19 19:15:22 +00:00
Petr Rockai
d8f02da1e4
Make it possible to represent type-correct single-item arrays in config trees.
2011-07-19 19:12:38 +00:00
Petr Rockai
789ed50712
Add an API to config.h for creating values in the config_tree mempool.
2011-07-19 19:11:24 +00:00
Petr Rockai
df4758d73b
Work out some more details in metadata update in lvmetad.
2011-07-19 16:48:13 +00:00
Jonathan Earl Brassow
8cccdb25a9
Remove and unneeded parameter from build_parallel_areas_from_lv()
2011-07-19 16:37:42 +00:00
Jonathan Earl Brassow
e1154dd09e
Fix potential null ptr deref in 'origin_from_cow'
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return NULL rather than segfaulting if lv->snapshot is not set
2011-07-19 16:23:52 +00:00
Petr Rockai
8e5d1c93eb
More work on cache maintenance code in lvmetad: keep track of PV status.
2011-07-19 14:13:59 +00:00
Petr Rockai
f20e649ad1
Start filling in the core LVMetaD functionality and the corresponding
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testclient bits.
2011-07-18 14:48:30 +00:00
Petr Rockai
8e72b3d6d6
Various improvements to the daemon-common code, including automated response
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formatting from config trees provided by the daemon implementation.
2011-07-18 14:46:54 +00:00
Petr Rockai
8970d1b895
Improve format_buffer in daemon-shared.c, adding block formatting in addition
...
to string/integer (this propagates to the *simple* family of request/response
functionality).
2011-07-18 14:42:44 +00:00
Petr Rockai
056828e039
Revert the #include changes. Need to fix this at the #include site for now, and
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eventually refactor the way we structure #includes in the all of the library.
2011-07-18 14:34:33 +00:00
Petr Rockai
8e1761a804
Slightly refactor the config code to allow better reuse (no functional change).
2011-07-18 13:26:08 +00:00
Petr Rockai
4ac59193ee
Add a missing libdevmapper.h #include to lvm-types.h (for dm_list).
2011-07-18 13:24:48 +00:00
Petr Rockai
668f986b05
Add a couple missing #includes in uuid.h.
2011-07-18 13:24:14 +00:00
Zdenek Kabelac
2d812dea99
Better version of failing 'should' test
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where the naming is left completely on lvm.
(Commited code has been different version of test).
So here it should be able to figure out new free name and create a new LV.
2011-07-18 12:12:41 +00:00
Zdenek Kabelac
e0c9b24a6d
Adding test for repair when confusing metadata are found
2011-07-18 12:04:42 +00:00
Jonathan Earl Brassow
b546c17105
LVM2 RAID design doc
2011-07-14 17:00:59 +00:00
Petr Rockai
1c8512eb62
Fix t-vgreduce-usage to stop relying on the persistent cache not seeing a
...
device that has been brought back from the dead: this sometimes fails with
clvmd (the cache is updated "too soon"). Instead, force a pvscan and rely on an
up-to-date cache as usual.
2011-07-11 12:13:07 +00:00
Alasdair Kergon
841a541051
post-release
2011-07-08 19:57:32 +00:00
Alasdair Kergon
4c67e55066
remove unnecessary lvconvert.h
2011-07-08 19:42:11 +00:00
Alasdair Kergon
136c2e70dc
pre-release
2011-07-08 19:19:44 +00:00
Alasdair Kergon
f8b6b122ca
Downgrade error message - it isn't strictly an internal error in the
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library, and the known cause within lvm2 got fixed.
2011-07-08 19:13:05 +00:00
Alasdair Kergon
7a16e1f399
move doc to doc dir
2011-07-08 18:55:28 +00:00
Alasdair Kergon
e66cd0dc35
missing ifdef when new fn unused
2011-07-08 17:31:06 +00:00
Alasdair Kergon
4ccc44282e
Remove dev name prefix from dmsetup line output if exactly one dev requested.
2011-07-08 17:08:19 +00:00
Alasdair Kergon
2b069d2ca5
Ignore activation/verify_udev_operations if dm kernel driver vsn < 4.18.
2011-07-08 16:49:04 +00:00
Milan Broz
566939185e
Fix warning for pvcreate over MD linear.
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If MD linear device has set rounding (overload chunk size attribute),
the pvcreate command prints this warning:
/dev/md0 sysfs attr level not in expected format: linear
2011-07-08 15:53:59 +00:00
Alasdair Kergon
1ba4781cb0
Need to snapshot lookup by uuid instead of name in case it's renamed.
2011-07-08 15:35:50 +00:00
