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ocfs2: o2hb: increase unsteady iterations 

When run multiple xattr test of ocfs2-test on a three-nodes cluster,
mount failed sometimes with the following message.

  o2hb: Unable to stabilize heartbeart on region D18B775E758D4D80837E8CF3D086AD4A (xvdb)

Stabilize heartbeat depends on the timing order to mount ocfs2 from
cluster nodes and how fast the tcp connections are established.  So
increase unsteady interations to leave more time for it.

Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Junxiao Bi 2016-01-14 15:17:15 -08:00 committed by Linus Torvalds
parent d6364627ef
commit a84ac334dc
1 changed files with 2 additions and 2 deletions
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4
fs/ocfs2/cluster/heartbeat.c
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@ -1780,8 +1780,8 @@ static ssize_t o2hb_region_dev_store(struct config_item *item,
}
++live_threshold;
atomic_set(&reg->hr_steady_iterations, live_threshold);
/* unsteady_iterations is double the steady_iterations */
atomic_set(&reg->hr_unsteady_iterations, (live_threshold << 1));
/* unsteady_iterations is triple the steady_iterations */
atomic_set(&reg->hr_unsteady_iterations, (live_threshold * 3));
hb_task = kthread_run(o2hb_thread, reg, "o2hb-%s",
reg->hr_item.ci_name);