On Tue, 19 Mar 2002, Ken Murchison wrote:

> The Cyrus code already handles the locking between multiple processes,
> so an imapd running on a different box is a subtle (if any) difference,
> provided that the shared filesystem handles read/write access from
> multiple hosts and provides UNIX file locking semantics.
> 
> The only filesystem that I'm aware of that promises this (and delivers)
> is SGI's CXFS.
And GFS/OpenGFS, polyserve filesystem, and veritas clustered fs. Well, at 
least the above promise, don't have enough information to determine 
whether they deliver. ;)

-alex

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