Re: Mirroring disks (almost) between hosts
On Fri, Mar 11, 2005 at 01:07:16PM -0800, Paul J. Lucas wrote:
> I've been looking at the Linux High-Availability stuff
> (www.linux-ha.org), but, in addition to that, I also want to
> have a master server mirror all its files over to a slave
> server so that if the master dies, the slave will be (mostly)
> up-to-date in terms of files.
>
> The two servers are of identicle hardware; each has its own
> internal disk.
>
> The files that are mirrored would be everything except those
> files that shouldn't be mirrored, e.g., /etc/network/interfaces.
>
> Is there software to do this kind of mirroring?
Hi Paul,
Unless your servers have databases or something like that, unison
might work. It is a very intelligent file-sync tool with little
overhead, and you could for example put it in a cron job. This is
very ad-hoc, so there might better, specialized tools around.
Tamas
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