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Commit Graph

14 Commits

Author SHA1 Message Date
Alasdair Kergon
2d6fcbf67d Allow internal suspend and resume of origin without its snapshots. 2010-08-17 16:25:32 +00:00
Christine Caulfield
c407d2bd11 Add -S command to clvmd, so it can restart itself and still
preserve exlusive LV locks.
2010-04-20 14:07:37 +00:00
Milan Broz
ac85c2e75b Move processing of VG locks to separate function (similar to LV locks).
And print some debugging info.

No functional change in this patch.
2010-01-05 16:05:12 +00:00
Milan Broz
8bc510ba12 Destroy toolcontext on exit in clvmd (fixes memory pool leaks). 2009-06-15 12:15:23 +00:00
Milan Broz
fa6dca9f28 Add infrastructure for queriying for remote locks.
Current code, when need to ensure that volume is not
active on remote node, it need to try to exclusive
activate volume.

Patch adds simple clvmd command which queries all nodes
for lock for given resource.

The lock type is returned in reply in text.

(But code currently uses CR and EX modes only.)
2009-05-19 10:38:58 +00:00
Milan Broz
c4ff133840 Tidy lv_hash[_lock] use inside clvmd.
- Rename unlock_all to destroy_lvhash,
this function is called in cluster shutdown
unlocks everything and clean up allocated info space.

 - Tidy lv_hash_lock use
.
Except adding free(lvi) in lv_has destructror
there is no functional change.
2009-04-21 13:11:28 +00:00
Alasdair Kergon
3d6af3e35e Add missing mutex around clvmd lvmcache_drop_metadata library call. 2008-05-09 15:13:20 +00:00
Patrick Caulfield
8a0a9a93d9 Tidy the clvmd backup code.
Move the backups inside the protection of the VG lock,
Don't backup if we have a suspended LV
Correct the vg_read() call
2007-12-05 13:17:18 +00:00
Patrick Caulfield
3303289137 When we unlock a VG tell the clvmds to see if a backup of the metadata needs
to be done.
2007-12-04 15:39:26 +00:00
Jim Meyering
08c9ff434b Add "const" attributes where possible: first cut. 2007-08-07 09:06:05 +00:00
Patrick Caulfield
2a7f7fc1c9 Vastly improve the errors returned to the user from clvmd.
It now captures the error messages that are generated and returns them
in the reply packet rather than just telling the user to check syslog.
2006-10-05 13:55:50 +00:00
Patrick Caulfield
13583874fc Add -R switch to clvmd.
This option will instruct all the clvmd daemons in the cluster to reload their device cache
2006-10-04 08:22:16 +00:00
Patrick Caulfield
3329bbfdf3 make clvmd FDs close-on-exec, to avoid warnings when running lvm via popen.
clvmd-gulm unlocks VG & orphan locks at startup in case they are stale.
clvmd-gulm now unlocks VG & orphan locks if client dies.
2005-03-07 17:03:44 +00:00
Alasdair Kergon
d3c8211fef Add cluster support. 2004-06-24 08:02:38 +00:00