From: "Birger Toedtmann" <[EMAIL PROTECTED]> > Second (esp. if you cannot afford the hardware described above) you may > set up the heartbeat package from www.linux-ha.org. It is very easy to > create failover mechnisms with heartbeat, but there is still the problem > of data synchronisation (heartbeat does not deal with that). I myself use > heartbeat together with rsync, which is surely unidirectional but can be > turned into somewhat "bidirectional" in combination with heartbeat: The > "active" machine will permanently send its data to the backup machine > (simple as that: I use a cronjob that tests whether we are active or not). > Upon failfailover, the situation will reverse, which leaves data intact > and up-to-date. However, note that rsync is slow, if you have lots of > data, you should definitely think over the first alternative. > Birger,
I am looking at implementing something like this at present. Would you be able to provide a summary of what you had to do, and maybe any scripts you had to build to get this to work? Thanks Roland Pope
