Hey, Am 29.01.2013 12:59, schrieb [email protected]: > RAID5 from 4 10K SAS drives.
You might want to check your stripe size, IIRC drbd is limited to 128k IO requests, so if you have a larger stripe size you may be getting a lot of read-modify-write, wich would severly impact your performance. If you have a BBU (battery backup unit) or a non-volatile cache for your raid controller you might want to try these: http://www.drbd.org/users-guide-8.3/s-throughput-tuning.html#s-tune-disable-barriers good luck, Nils _______________________________________________ drbd-user mailing list [email protected] http://lists.linbit.com/mailman/listinfo/drbd-user
