Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
That seemed to do the trick, thanks! Thanks, David Ruggles CCNA MCSE (NT) CNA A+ Network Engineer Safe Data, Inc. (910) 285-7200 david at safedatausa.com -----Original Message----- From: drbd-user-bounces at lists.linbit.com [mailto:drbd-user-bounces at lists.linbit.com] On Behalf Of Gordan Bobic Sent: Wednesday, May 27, 2009 10:54 AM To: drbd-user at lists.linbit.com Subject: Re: [DRBD-user] Performance tuning Importance: Low Have you tried no-disk-flushes, no-md-flushes options? http://www.drbd.org/users-guide/re-drbdconf.html Flushes and/or barriers can cause performance issues on some RAID hardware. Make sure you don't disable drain, though. Gordan On Wed, 27 May 2009 08:57:02 -0400, David Ruggles <david at safedatausa.com> wrote: > I've got a gigabit crossover link between two Dell PE 2650s running CentOS > 5.3 > > I've tested the link with iperf and it tests out to a 980Mbps link, however > drbd only achieves about 5-8 MBps during full sync. (I'm not sure how to > see > what the normal sync performance is) I would expect to get some where > around > 100 MBps. > > I've googled and read everything I can find on optimizing, but nothing I've > tried has made a difference. I was hoping someone might have some > experience > with this config and be able to offer some suggestions (or even just be > able > to say that's the max on this hardware) > > TIA > > Thanks, > > David Ruggles > CCNA MCSE (NT) CNA A+ > Network Engineer Safe Data, Inc. > (910) 285-7200 david at safedatausa.com > > > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user _______________________________________________ drbd-user mailing list drbd-user at lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user