Johnny Hughes wrote: >On Mon, 2005-12-05 at 15:44 -0800, Bryan J. Smith wrote: > > >>Ugo Bellavance <ugob at camo-route.com> wrote: >> >> >>>I'd take a look at drbd (www.drbd.org) while you're reading >>>on heartbeat. I use it for web servers, but I'm not sure >>>if it would be suitable for file servers. >>> >>> >>There is a lot more to handling network file services -- >>especially when it comes to locking and controlling write >>access -- that web servers don't have to worry about. ;-> >> >> >> >I use drbd and heartbeat on a samba domain controller that has >failover ... BUT, you can't use both machines at the same time. > >AND, it takes a GiB connector to keep the files in sync ... trying to do >it via a WAN connection would, I think, be fairly impossible. > > I've managed to keep two moderately busy servers in sync using frequent rsync over a WAN VPN tunnel. However, that tunnel was over an OC-3 link. I suspect it would be a rather painful affair over DSL/cablemodem or even a few bonded T1's. Something like drbd that treats a remote volume as a device would definitely not work on such a "skinny" link unless the servers were relatively lightly used. Cheers,