I need to setup a high-availability setup for mail/web setup
I was thinking about the following setup:
4 servers total:
1 Server holding all the websites data and mail messages. It
would serve these files via nfs to the application servers.
It would also run mysql
A second server Also sharing it's content via nfs,
replicating it's data though rsync each ?? minutes. The mysql would
run as a slave of the primary
Both servers would be running apache, php, sendmail and
posfix and would serve content from the share nfs drive.
1- Is this a viable solution, I mean by that, Is it Like this big ISP
are set up ?
2- Is there a better way to replicate data than RSYNC (without going
to san of expensive hardware) ? If not, is there a hotsync feature (I
mean by that as soon as server A modify something, server B knows and
I would appreciate if you could give me feedbacks, suggestions, or if
you see any problem that might happen with this kind of setup.
Thanks a lot
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