Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Thursday 05 October 2006 09:54, Bernhard Limbach wrote: > Hi Peter, > > what Kernel are you running ? > I run into the same (or similar ?) low-sync-problem with kernel 2.6.17 (as > posted on 20 Sep 2006 on this list). When switching back to kernel 2.6.16 > the sync rate is as expected. I don't think it has to do with the RAID > performance because I don't run into problems with all my other > applications that don't use drbd. Yes, I've seen this thread -- I'm running 2.6.15 as of now, so this shouldnt be a problem. Do you think I should still try another kernel? Thanks, peter. > Regards, > Bernhard > > > > -------- Original-Nachricht -------- > Datum: Wed, 4 Oct 2006 19:30:41 +0200 > Von: Lars Ellenberg <Lars.Ellenberg at linbit.com> > An: drbd-user at lists.linbit.com > Betreff: Re: [DRBD-user] sync rate only 2,204 (1,220) K/sec? > > > / 2006-10-04 18:36:40 +0200 > > > > \ Peter Sabaini: > > > > > # hdparm -t /dev/cciss/c0d0 > > > > > > > > > > /dev/cciss/c0d0: > > > > > Timing buffered disk reads: 208 MB in 3.03 seconds = 68.69 > > > > MB/sec > > > > > > > It could be better, but its reasonable I think? > > > > well, actually, write performance would be more interesting. > > make sure that the raid is not rebuilding at the same time. > > > > also, the cciss controler likes high values for > > max-buffers > > max-epoch-size > > unplug-watermark > > > > -- > > > > : Lars Ellenberg Tel +43-1-8178292-0 : > > : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : > > : Schoenbrunner Str. 244, A-1120 Vienna/Europe http://www.linbit.com : > > > > __ > > please use the "List-Reply" function of your email client. > > _______________________________________________ > > drbd-user mailing list > > drbd-user at lists.linbit.com > > http://lists.linbit.com/mailman/listinfo/drbd-user