Andrew Watkins wrote:
My manager asked me if I could a mirror copy of our /var/mail on another
system, just in case the system went down. He suggested that Windows has DFS
(Distributed File System) and I said I would look into it.
Over the weekend I thought of CacheFS which comes will solaris which allows you to have a
local copy of a network drive, so that it can improve the "NFS server performance
and scalability by reducing server and network load.". My joy was short lived when I
relaises that when the server goes down your local copy of that NFS is not accessable.
I don't see why CacheFS can not work in this situation, so that if there is a
local version of the file use it and not just hang.......
It can work in this config. You just need to use disconnected mode.
The cachefsd man page talks about this.
However I don't think cachefs is the correct technology for the problem
you are trying to solve. I think instead all you really need to do is
use rsync to send the data to a remote system.
--
Darren J Moffat
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