[DRBD-user] Slower disk throughput on DRBD partition
lars.ellenberg at linbit.com
Thu Feb 2 15:31:07 CET 2012
On Thu, Feb 02, 2012 at 02:24:08PM +0000, Frederic DeMarcy wrote:
> Hi Lars
> I'm usinng 8.4.1
> [root at server1 ~]# service drbd status
> drbd driver loaded OK; device status:
> version: 8.4.1 (api:1/proto:86-100)
Is that so.
Apologies, I seem to have mixed a few threads here.
In that case, invalidate-remote when in StandAlone should be allowed.
Maybe you should downgrade ;-)
and see where things go.
In fact, my guess is moving meta data to RAID1
will be most useful in your case.
> > >
> > > Is the result the same if you execute a "drbdadm invalidate-remote
> > > mysql" on the primary before doing the "single node" test? .... that
> > > would disable activity log updates ...
> > ... with recent enough versions of DRBD.
> > Only the OP seems to be using 8.3.7.
> > Maybe you should consider an upgrade?
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com
DRBD® and LINBIT® are registered trademarks of LINBIT, Austria.
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