On Thu, 29 Dec 2005, Michael Sperber wrote:


Michael Sperber <[EMAIL PROTECTED]> writes:

I'm running 5.4-STABLE (about two weeks old), and have just set up an
NFS server for the first time.  Remote mounts sometimes work fine, and
sometimes fail.

The symptoms are that "showmount -e" sez

showmount: can't do exports rpc

and that "rpcinfo -u <host> mountd" often works fine n times in a row,
and then stops working, like so:

Turns out that mountd seems to be trying to do reverse DNS
lookups, and when those block, the whole process locks up.  I don't
understand why, though: the servers listed in /etc/exports are by IP.
Any ideas?

NFS is twitchy in a lot of ways, you've found one of them. IME, it's easier all the way around for clients and server to have entries for each other in /etc/hosts.

hth,

Doug

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