I have an old NetApp filer that exports volumes via NFS for my UNIX hosts.
We want to migrate it to the new filer and keep name of the old one as DNS alias to the new filer name with new IP address.
The question is will UNIX NFS client that still pointing to the old filer name be able to mount the volume from the physically new filer? Cashed MAC addresses discussion aside, please. I understand that.
Or to show it in the example
On the UNIX client:
Will this last command work or it will end up with error message "permission denied", because of the mismatch between used alias and reverse DNS?
Some links to the theory of this process will also be welcomed.
Best regards
Leonid
Last edited by vbe; 08-31-2011 at 04:44 AM..
Reason: Please use code tags when required (code and data) thanks
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LEARN ABOUT DEBIAN
desproxy-dns
desproxy-dns(1) User Commands desproxy-dns(1)NAME
desproxy-dns - DNS for dynamic connections
SYNOPSIS
desproxy-dns dns_server proxy_host proxy_port
OPTIONS
None
DESCRIPTION
If you have direct DNS access then you don't need to do anything else. You know you have direct DNS access if you can resolve host names
to IP addresses.
NOTE: as desproxy-dns listens in port 53 (which is less than 1024) you may need administrator privileges to exec desproxy-dns (in fact if
you are running UN*X, you actually have to run desproxy-dns as root).
OK, so you have a dns server accessible now. But your computer doesn't know anything about that. You must configure your network
accordingly (again, need to be root in UN*X).
Edit /etc/resolv.conf and add the line "nameserver 127.0.0.1". You don't have to restart anything. Just test ping and see if it works.
ENVIRONMENT
None.
FILES
None.
SEE ALSO dnsproxy(1), ping(1)AUTHORS
This manual page was written by Jari Aalto <jari.aalto@cante.net>, for the Debian GNU system (but may be used by others). Released under
license GPL v2 or any later version.
desproxy-dns 2012-03-26 desproxy-dns(1)