That's a very good question. How far apart are these co-location centers (latency-wise)?
On Thu, Oct 22, 2009 at 11:51 AM, Matt Graham <[email protected]> wrote: > From: "LinuxVault.Eu" <[email protected]> >> The subject says it all, is DRBD replication possible >> between two nodes at different geographical locations ? > > We've been doing it for years, and almost all the problems could be > traced to A) someone unplugging the wrong network cable B) someone > doing something stupid to drbd.conf. So, yeah. > >> I can co-locate two servers in two datacenters with a >> private VLAN for replication between both, is this a >> sound solution or is RTD a big issue ? > > EXPN "RTD", plz, kthx? Er... it works well between 2 datacenters > that are about 20 miles apart. The ~1ms latency combined with > protocol C means writes are slower than they would be if the boxes > were right next to each other. Sustained speeds are about 35M/s. > I spent days fooling with many settings in drbd.conf and couldn't > find any way to get any statistically significant improvement on > that. > > -- > Matt G / Dances With Crows > The Crow202 Blog: http://crow202.org/wordpress/ > There is no Darkness in Eternity/But only Light too dim for us to see > > > _______________________________________________ > drbd-user mailing list > [email protected] > http://lists.linbit.com/mailman/listinfo/drbd-user > -- Chris Chen <[email protected]> "The fact that yours is better than anyone else's is not a guarantee that it's any good." -- Seen on a wall _______________________________________________ drbd-user mailing list [email protected] http://lists.linbit.com/mailman/listinfo/drbd-user
