On Thu, 2009-12-10 at 19:11 +0100, Lars Ellenberg wrote: > exactly same hardware?
yes > exactly same kernel and stuff? CentOS 5.4, I really look after details, and 'rpm -qa | sort' give me exactly the same output on both nodes, config files are also same, everything is OK. I tried reversing roles, and when secondary becomes primary, then the IO load reverses too. I found on the internet that 3ware controllers have issues on Linux, and I have 3ware controller... So maybe that is the part of problem... > io scheduler? -> use deadline. I'm using it... I know about kernel threads problem with CFQ. > otherwise: we sell "DRBD Healthchecks" ;) I'm just a contractor too, but I think that the owners will buy FC storage and get on without cheap JBODs... -- | Jakov Sosic | ICQ: 28410271 | PGP: 0x965CAE2D | ================================================================= | | _______________________________________________ drbd-user mailing list [email protected] http://lists.linbit.com/mailman/listinfo/drbd-user
