Quick performance question

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

This is also the NIS server, but specifically my question was more
whether the host's IP (eg 10.71.0.53) could be used, and whether the
system is smart enough not to send packets out of the box.

On 08/06/2010 03:07 PM, Rob Hasselbaum wrote:
> If you add the host name to /etc/hosts and point it to 127.0.0.1,
> traffic will stay local.
>
>
> On Fri, Aug 6, 2010 at 2:01 PM, Jerry Feldman <gaf-mNDKBlG2WHs at public.gmane.org
> <mailto:gaf-mNDKBlG2WHs at public.gmane.org>> wrote:
>
>     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 d=
one
>     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 jus=
t
>     want to confirm it.
>
>     --
>     Jerry Feldman <gaf-mNDKBlG2WHs at public.gmane.org <mailto: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
>
>
>
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>


--=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