I know this is possible on Solaris, it's either an option for mount
or for through the automounter, I'm not sure (but I think it was mount).
However it only works for read-only filesystems: if one server fails to
respond, the client will contact the other server and continue on that one.
We wanted to implement it for our /usr/local server (but we never got to it :-).
I have no idea whether it also exists on Linux but you could look in that
direction. I've been told that nfs will be seriously redesigned in the coming
2.4.x kernels (including nfsv3 support) so check there also.
Nico
On Wed, 12 Jan 2000, Pieckiel, Kevin A wrote:
> Hi all. Please comment on the following:
>
> We are wanting to replace our current method of backing up our fileserver
> (which is via a tape drive) by making our fileserver redundant. That is,
> another machine that will be a live mirror of the "in-use" fileserver. If
> anything on the active fileserver fails, we'd like things to fail-over to
> the redunant server so that the users won't see a single hiccup.
> Our fileservers run RHL 6.1, BTW, with the latest stable kernel (2.2.14 at
> present).
>
> Where do I begin? Is this possible?
>
> I've seen much support for raid devices in mirroring drives in the same
> computer, but no Linux support for mirroring drives to another computer.
> Are there better alternatives than the idea presented here?
>
> Our monetary goals for this are aimed here --> all free software, or very
> low cost; hardware for a standard fileserver (like we already have) is
> already available less a hard drive, so we look to purchase ony a matching
> hard drive for that which is in our current fileserver.
>
> Your comments, suggestions, and recommendataions are appreciated.
>
> Kevin A. Pieckiel
>
>
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>
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