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05dd566a52
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20 Commits

Author SHA1 Message Date
Zdenek Kabelac
05dd566a52 dmeventd: unify error handling 
Always make sure the 'status' is release on 'error' path (thin pluging missed)
Make code looking same across all plugins.
 2017-02-14 00:03:34 +01:00
Zdenek Kabelac
f9c6c115d3 cleanup: easier code for raid plugin 
Set bits only when then were not yet assigned.
 2016-12-09 15:15:02 +01:00
Zdenek Kabelac
5fd5cfe061 cleanup: use display_lvname and msg cleanup 
Use display_lvname in tracing messages.
Add some missing 'dots' to messages.
 2016-11-23 17:48:01 +01:00
Zdenek Kabelac
e3775173b4 cleanup: log_info to log_error 
Switch to more appropriate logging level.
 2016-11-03 17:49:07 +01:00
Zdenek Kabelac
ee04f1fcfd raid: dmeventd plugin use 64bit arithmetic 
Coverity suggested to used 64bit unsigned ints instead of signed 32b int.
Assuming there is no user of >31legs raid array.
 2016-10-03 17:44:25 +02:00
Heinz Mauelshagen
5d455b28fc lvconvert: fix (automatic) raid repair regression 
The dm-raid target now rejects device rebuild requests during ongoing
resynchronization thus causing 'lvconvert --repair ...' to fail with
a kernel error message. This regresses with respect to failing automatic
repair via the dmeventd RAID plugin in case raid_fault_policy="allocate"
is configured in lvm.conf as well.

Previously allowing such repair request required cancelling the
resynchronization of any still accessible DataLVs, hence reasoning
potential data loss.

Patch allows the resynchronization of still accessible DataLVs to
finish up by rejecting any 'lvconvert --repair ...'.

It enhances the dmeventd RAID plugin to be able to automatically repair
by postponing the repair after synchronization ended.

More tests are added to lvconvert-rebuild-raid.sh to cover single
and multiple DataLV failure cases for the different RAID levels.

- resolves: rhbz1371717
 2016-09-21 00:39:29 +02:00
Zdenek Kabelac
fcbef05aae doc: change fsf address 
Hmm rpmlint suggest fsf is using a different address these days,
so lets keep it up-to-date
 2016-01-21 12:11:37 +01:00
Zdenek Kabelac
1a2d0a0c72 cleanup: indents 2015-10-22 22:46:10 +02:00
Zdenek Kabelac
9c5c9e2355 dmeventd: raid plugin reporting 
Fix raid logging introduced with last updating commit.
 2015-10-22 22:28:37 +02:00
Zdenek Kabelac
4b586ad3c2 dmeventd: rework raid plugin 
Switch to per-thread mem-pool and lock only for lvm2 calls.
Use libdm parser for raid status line.
 2015-10-13 16:02:19 +02:00
Zdenek Kabelac
49e11102c7 dmeventd: add local mempool for raid and mirror 
Using local mempools allows to drop locks when such memory is needed.
 2015-10-13 15:56:23 +02:00
Zdenek Kabelac
0a633750f1 cleanup: avoid using private 
Switch private to user.
 2015-10-13 15:22:58 +02:00
Zdenek Kabelac
c90363b585 dmeventd: use log_ macros in plugins 
Convert from syslog to standard log_() macros in plugins.
 2015-10-13 15:09:03 +02:00
Zdenek Kabelac
915f0faac1 dmeventd: syslog -> log_xxxxx 
Convert logging of dmeventd to libdm logging macros.
 2015-10-13 14:43:30 +02:00
Petr Rockai
5dc6671bb5 dmeventd: Call lvscan --cache in the RAID plugin. 2014-07-22 22:48:21 +02:00
Zdenek Kabelac
6b701c3a48 cleanup: dmeventd abstract lvm2cmd interface 
Keep  lvm2cmd  interface hidden inside dmeventd_lvm
and use regular 1/0 return codes, this we may
avoid using lvm2cmd.h in other lvm2 plugins.
 2014-04-18 16:38:51 +02:00
Alasdair G Kergon
7c6526aae2 lvresize: separate validation from action 
Start separating the validation from the action in the basic lvresize
code moved to the library.
Remove incorrect use of command line error codes from lvresize library
functions.  Move errors.h to tools directory to reinforce this,
exporting public versions of the error codes in lvm2cmd.h for dmeventd
plugins to use.
 2013-07-06 03:28:21 +01:00
Zdenek Kabelac
1aae627433 Use new dmeventd_lvm2_command function in dmeventd plugins. 
For snapshot, prepare whole command in front into private buffer.
Add also some missing '\n' for syslog messages.
For raid and mirror only convert creation of command line string.
This should avoid any unbound growth of mempool for dm_split_names.
 2011-12-22 16:37:01 +00:00
Jonathan Earl Brassow
d098140177 Add policy based automated repair of RAID logical volumes 
The RAID plug-in for dmeventd now calls 'lvconvert --repair' to address failures
of devices in a RAID logical volume.  The action taken can be either to "warn"
or "allocate" a new device from any spares that may be available in the
volume group.  The action is designated by setting 'raid_fault_policy' in
lvm.conf - the default being "warn".
 2011-12-06 19:30:15 +00:00
Jonathan Earl Brassow
3041b72f06 Add dmeventd monitoring for RAID devices. 2011-08-11 05:00:20 +00:00