Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
----- Original Message ----- > From: "Lars Ellenberg" <lars.ellenberg at linbit.com> > To: "Wiebe Cazemier" <wiebe at halfgaar.net> > Cc: drbd-user at lists.linbit.com > 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?