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Hello James,
Thursday, June 07, 2001, 3:03:19 PM, you wrote:
> I have qmail with vpopmail running as our companies primary mail
> server (and it is doing fine by the way), but I would like to
> create a backup server to fail to in the event the primary server
> poo's out on me. Is there any way for the backup server to pull the
> entire setup automaticaly via a cron or perhaps even push the
> content to both servers live? (not looking for a cluster - just a
> live backup for both qmail/vpopmail/email content in the event of a
> failure on the primary servers part).
> Currently, I am doing this with a .tar and that is ugly and not
> 'live' backup so-to-speak.
This depends significantly on the OS you use...
I didn't yet find a suitable filesystem replication for my beloved
FreeBSD (as coda doesn't work for me and doesn't appear to be
maintained at all),
but for Linux, you could look into a software RAID/network block
device combination, which essentially does RAID on a remote machine.
There are several texts regarding this issue. If anyone got a
suitable
approach for FreeBSD, I'd be very interested to hear about it...
Another possibility would be to use a shared RAID array (even if I
tend to think of those being single points of failure as well, as the
ones one can pay normally use only one controller which can fail...).
Best regards,
Gabriel
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