----- Original Message ----- > From: "Lars Ellenberg" <[email protected]> > To: "Wiebe Cazemier" <[email protected]> > Cc: [email protected] > Sent: Monday, 4 June, 2012 11:29:20 AM > Subject: Re: [DRBD-user] Performance hit DRBD vs raw block device, even when > disconnected > > Put DRBD meta data on RAID 1. > Use decent battery backed (or otherwise non-volatile) write cache. > Disable barriers and flushes in DRBD.
If I disable flushes (along with the already disabled barriers), write performance drops to 5 MB/s. And about putting meta data on RAID1; do you mean a dedicated array specifically for DRBD meta data? _______________________________________________ drbd-user mailing list [email protected] http://lists.linbit.com/mailman/listinfo/drbd-user
