Aha! Wisdom from the heavens... :-)
I assume that the RPC code is doing that to comply with reserved-port
restrictions, ie. ports < 1024. Solaris needs to do the same thing
(with nfssrv:nfs_portmon=1) so it seems that there would be an inherent
limit of 1024 ports or mountpoints to work with. Actually less, since
some ports will be in use. How does Sun get 260,000 active mounts if
they can only use ports < 1024? Do we really need one port for each
mountpoint?
Don't take my word for it, because I don't know any better.. But Solaris may multiplex different NFS servers on the same udp port. They may also have their tests done with TCP instead of udp, which solves that problem elegantly.
Perhaps this has something to do with the fact that solaris autofs is
multithreaded (ie. one process) whereas linux autofs has many processes,
one for each mountpoint. Feel free to correct me if I'm wrong...
Nah, this sounds alot like an NFS issue. See Charles Lever's post.
Mike Waychison
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