Quick performance question

[gaf-mNDKBlG2WHs at public.gmane.org (Jerry Feldman)]

Currently I am using a RHEL 5.2 server to export a number of files via
NFS. Simple. On the other servers, I use autofs to mount the
directories. In preparation for moving the directories (about 800GB) to
a dedicated NFS server, what I plan to do is:
(1) rename the /mnts directory to /exports. This should have been done
when I set up the server a few years ago. (The reason for the /mnts name
is that I need to mirror Toronto.

(2) then I want to mount the directories in /exports onto
localalhost:/mnts. But, I want to use the same auto.mnts file on the nfs
server that I do on the other 7 systems. So I can use the line:
*          -fstype=3Dnfs,rw,nosuid,soft      <nfs server name>:/exports/&=


I certainly can use
*          -fstype=3Dnfs,rw,nosuid,soft      localhost:/exports/&

Is the Linux kernel smart enough to recognize that <nfs server name> is
really the local host, and not send the bits out to the interface. I'm
almost certain that the bits never go out on the network, but I just
want to confirm it.

--=20
Jerry Feldman <gaf-mNDKBlG2WHs at public.gmane.org>
Boston Linux and Unix
PGP key id: 537C5846
PGP Key fingerprint: 3D1B 8377 A3C0 A5F2 ECBB  CA3B 4607 4319 537C 5846