On 06/20/2012 08:58 AM, Phil Frost wrote:
Maybe I was too verbose, so I'll rephrase more briefly:
I think the problem here is that you didn't provide your DRBD config.
For all we know, you did this:
disk {
no-disk-barrier;
no-disk-flushes;
no-disk-drain;
no-md-flushes;
}
Which is an explicit no-no and would definitely break fsync. But I also
give you this from the manual:
http://www.drbd.org/users-guide/re-drbdconf.html
"Unfortunately device mapper (LVM) might not support barriers."
That leaves you with either flushes or drain as the fsync method. Since
you don't have a BBWC, you must have at least this option enabled. Then
we can talk.
--
Shaun Thomas
OptionsHouse | 141 W. Jackson Blvd. | Suite 500 | Chicago IL, 60604
312-444-8534
stho...@optionshouse.com
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