NFS performance..

[Harry Putnam]

WipeOut <wipe_out at users.sourceforge.net> writes:

> You can override this by adding the "async" option to the NFS
> export.. when you do this NFS will buffer the writes and is actually
> then faster than Samba (probably down to the fact that its using UDP
> instead of TCP).. When buffering the writes in any system there is a
> chance of data loss in the event of a power failure or a server
> crash..

No hits on a grep for `sync' in either `man nfs' or `man nfsd' 

Where might I read about that option?