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Re: disk mirroring



Yedidya Bar-david writes:

 > There is a project that does something like 'Symmetrical NFS', i.e.
 > two (more?) machines have identical sub-trees, every write to one
 > of them is written to the other.
 > Unfortunately, I can't recall it's name, and (after a few minutes
 > of searching) didn't find it. I also don't know if it is in
 > the standard 2.2 kernel (I thought it was, but can't find it in
 > the docs).
 > Does anybody know what I'm talking about?

Perhaps you're referring to the Coda Distributed File System
(http://www.coda.cs.cmu.edu), which does what you mention and much
more. It's supported by Linux since 2.1.someting, as far as I
remember.


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