On Wed, 2009-07-22 at 11:16 +0200, Coert Waagmeester wrote:
> The highest speed I can get through that link with drbd is 11 MB/sec
> (megabytes)
Not good...
> But if I copy a 1 gig file over that link I get 110 MB/sec.
That tells me that the network connection is fine. The issue is at a
higher layer...
> Why is DRBD so slow?
Let's see...
> common {
> protocol C;
> syncer { rate 80M; }
> net {
> allow-two-primaries;
> }
> }
You want allow-two-primaries? That implies that you're using something
like ocfs2, but that's probably immaterial to the discussion... Here's a
question - do you have another syncer statement in the resource
definition that's set to a lower number? That would definitely throttle
the sync rate...
-I