One of the places I worked for used this: http://bb4.com/ however it maybe too big for your needs, I am not sure. On Thu, Jul 3, 2008 at 10:04 AM, Matt Graham wrote: > From: keith smith >> I am looking for information on how I might be able to mirror one >> server onto another and set them up so if the main server dies >> the second server will take over automatically. > > heartbeat and drbd. http://linux-ha.org/ and http://drbd.org/ to > start. > >> The mirroring would require the website content itself and the >> MySql data. > > drbd works below the filesystem level, if you want to use that. You > really need a dedicated high-speed link between the 2 systems if you > want to use drbd. Unless you use one of the newer and less well > tested filesystems such as GFS, if you use drbd, you have to have the > primary machine mount the filesystem, and the secondary machine can't > mount the filesystem at all. Scripts allow the secondary machine to > become primary if/when the primary flails over. > >> Now if I had 3 servers would I be able to do this by having them >> all three working as a "farm" to serve up multiple websites? > > Not in the way described above. drbd is very much a 2-machine system. > You could have a drbd cluster with large disks acting as the main > fileserver, and 1..N machines that mount the filesystems on that > server via NFS. Then machines 1..N could serve content via apache > or apache combined with ldirectord. > >> Is it possible to do this on a small budget? > > Define "small". You need boxes, time to set it all up, and disks. > > -- > 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 > > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > To subscribe, unsubscribe, or to change your mail settings: > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change your mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss