On Mon, Jun 4, 2012 at 2:17 PM, Wiebe Cazemier <[email protected]> wrote: > ----- 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?
I don't think you've told us your DRBD version; that might be a helpful bit of information. Cheers, Florian _______________________________________________ drbd-user mailing list [email protected] http://lists.linbit.com/mailman/listinfo/drbd-user
