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Sunil Mushran 76d9fc2954 ocfs2/cluster: Increase the live threshold for global heartbeat 
We have seen isolated cases (very few, I might add) of o2hb not detecting all
live nodes on startup. One plausible reasoning for it is that other node had
a hb io delay at the same time. The live threshold set at 2 (as low as it can
be) could be increased to ameliorate the situation.

But increasing the threshold directly affects mount time. Currently it takes
around 5 secs to mount a volume in o2cb cluster with local heartbeat. Increasing
the threshold will make mounts even slower. As the issue itself is rare, we have
left things as they are for the local heartbeat mode.

However we can improve the situation for global heartbeat mode as in that mode,
we start the heartbeat much before the mount.

This patch doubles the live threshold for the start of the first region in
global heartbeat mode.

Addresses internal Oracle bug#10635585.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Acked-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
 		2011-05-13 11:26:48 -07:00
..
cluster ocfs2/cluster: Increase the live threshold for global heartbeat 2011-05-13 11:26:48 -07:00
dlm ocfs2/dlm: Use negotiated o2dlm protocol version 2011-05-13 11:26:37 -07:00
dlmfs fs: change to new flag variable 2011-03-17 14:02:57 +01:00
Kconfig ocfs2: Make OCFS2_FS depend on CONFIGFS_FS 2011-01-16 21:22:40 +00:00
Makefile fs: change to new flag variable 2011-03-17 14:02:57 +01:00
acl.c Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 2011-03-28 13:03:31 -07:00
acl.h fs: provide rcu-walk aware permission i_ops 2011-01-07 17:50:29 +11:00
alloc.c Fix common misspellings 2011-03-31 11:26:23 -03:00
alloc.h ocfs2: Remove unused truncate function from alloc.c 2011-01-07 18:03:00 -08:00
aops.c Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 2011-03-28 13:03:31 -07:00
aops.h Fix common misspellings 2011-03-31 11:26:23 -03:00
blockcheck.c ocfs2: Fix metaecc error messages 2010-09-08 14:25:53 +08:00
blockcheck.h ocfs2: Add statistics for the checksum and ecc operations. 2009-06-03 19:15:36 -07:00
buffer_head_io.c ocfs2: Remove masklog ML_UPTODATE. 2011-02-24 16:22:20 +08:00
buffer_head_io.h ocfs2: Take the inode out of the metadata read/write paths. 2009-09-04 16:07:48 -07:00
dcache.c ocfs2: fix d_revalidate oopsen on NFS exports 2011-03-10 03:45:07 -05:00
dcache.h Track negative entries v3 2010-09-10 09:18:15 -07:00
dir.c ocfs2: Initialize data_ac (might be used uninitialized) 2011-05-13 11:26:15 -07:00
dir.h ocfs2: Introduce dir free space list 2009-04-03 11:39:16 -07:00
dlmglue.c Merge branch 'mlog_replace_for_39' of git://repo.or.cz/taoma-kernel into ocfs2-merge-window-fix 2011-03-28 09:44:26 -07:00
dlmglue.h ocfs2: Fix lockdep warning in reflink. 2010-09-10 09:19:06 -07:00
export.c exportfs: Return the minimum required handle size 2011-03-14 09:15:28 -04:00
export.h
…
extent_map.c ocfs2: Remove masklog ML_EXTENT_MAP. 2011-02-22 22:27:33 +08:00
extent_map.h ocfs2: Return extent flags for xattr value tree. 2009-09-22 20:09:39 -07:00
file.c ocfs2: skip existing hole when removing the last extent_rec in punching-hole codes. 2011-05-13 11:26:20 -07:00
file.h fs: provide rcu-walk aware permission i_ops 2011-01-07 17:50:29 +11:00
heartbeat.c ocfs2: Remove mlog(0) from fs/ocfs2/heartbeat.c 2011-02-23 21:17:39 +08:00
heartbeat.h
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inode.c Fix common misspellings 2011-03-31 11:26:23 -03:00
inode.h Track negative entries v3 2010-09-10 09:18:15 -07:00
ioctl.c Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 2011-03-28 13:03:31 -07:00
ioctl.h Ocfs2: Move ocfs2 ioctl definitions from ocfs2_fs.h to newly added ocfs2_ioctl.h 2010-03-02 14:10:20 -08:00
journal.c Fix common misspellings 2011-03-31 11:26:23 -03:00
journal.h Fix common misspellings 2011-03-31 11:26:23 -03:00
localalloc.c ocfs2: Remove EXIT from masklog. 2011-03-07 16:43:21 +08:00
localalloc.h ocfs2: increase the default size of local alloc windows 2010-05-05 18:18:07 -07:00
locks.c ocfs2: remove INODE from unused files. 2011-02-21 11:18:23 +08:00
locks.h
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mmap.c ocfs2: Remove FILE_IO from masklog. 2011-02-22 21:59:46 +08:00
mmap.h
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namei.c Fix common misspellings 2011-03-31 11:26:23 -03:00
namei.h ocfs2: Create reflinked file in orphan dir. 2009-09-22 20:09:48 -07:00
ocfs1_fs_compat.h
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ocfs2.h Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 2011-03-28 13:03:31 -07:00
ocfs2_fs.h Revert wrong fixes for common misspellings 2011-04-26 23:31:11 -07:00
ocfs2_ioctl.h Merge branch 'globalheartbeat-2' of git://oss.oracle.com/git/smushran/linux-2.6 into ocfs2-merge-window 2010-10-15 13:03:09 -07:00
ocfs2_lockid.h ocfs2: Add new refcount tree lock resource in dlmglue. 2009-09-22 20:09:28 -07:00
ocfs2_lockingver.h ocfs2_dlmfs: Enable the use of user cluster stacks. 2010-02-26 15:41:18 -08:00
ocfs2_trace.h ocfs2: Remove masklog ML_UPTODATE. 2011-02-24 16:22:20 +08:00
quota.h ocfs2: use system_wq instead of ocfs2_quota_wq 2011-02-01 11:42:42 +01:00
quota_global.c Fix common misspellings 2011-03-31 11:26:23 -03:00
quota_local.c ocfs2: Remove mlog(0) from quota_local.c. 2011-02-23 22:12:48 +08:00
refcounttree.c Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 2011-03-28 13:03:31 -07:00
refcounttree.h Merge branch 'cow_readahead' of git://oss.oracle.com/git/tma/linux-2.6 into merge-2 2010-09-10 08:41:04 -07:00
reservations.c ocfs2: Remove masklog ML_RESERVATIONS. 2011-02-23 22:10:56 +08:00
reservations.h Fix common misspellings 2011-03-31 11:26:23 -03:00
resize.c ocfs2: Remove mlog(0) from fs/ocfs2/suballoc.c 2011-02-22 08:24:01 +08:00
resize.h
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slot_map.c ocfs2: Remove mlog(0) from fs/ocfs2/slot_map.c 2011-02-22 22:29:08 +08:00
slot_map.h
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stack_o2cb.c ocfs2: Print message if user mounts without starting global heartbeat 2010-10-06 17:55:29 -07:00
stack_user.c ocfs2_connection_find() returns pointer to bad structure 2010-11-18 15:41:41 -08:00
stackglue.c ocfs2_dlmfs: Enable the use of user cluster stacks. 2010-02-26 15:41:18 -08:00
stackglue.h Fix common misspellings 2011-03-31 11:26:23 -03:00
suballoc.c Fix common misspellings 2011-03-31 11:26:23 -03:00
suballoc.h ocfs2: allow return of new inode block location before allocation of the inode 2010-09-08 14:25:59 +08:00
super.c Fix common misspellings 2011-03-31 11:26:23 -03:00
super.h ocfs2: Wrap signal blocking in void functions. 2010-05-10 11:50:10 -07:00
symlink.c ocfs2: Remove EXIT from masklog. 2011-03-07 16:43:21 +08:00
symlink.h
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sysfile.c ocfs2: Remove mlog(0) from fs/ocfs2/file.c 2011-02-22 22:14:41 +08:00
sysfile.h
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uptodate.c ocfs2: Remove masklog ML_UPTODATE. 2011-02-24 16:22:20 +08:00
uptodate.h ocfs2: Pass struct ocfs2_caching_info to the journal functions. 2009-09-04 16:07:50 -07:00
ver.c
…
ver.h
…
xattr.c Fix common misspellings 2011-03-31 11:26:23 -03:00
xattr.h fs/vfs/security: pass last path component to LSM on inode creation 2011-02-01 11:12:29 -05:00