Mike
Kick start via NFS through multiple routers is much more reliable over TCP than with UDP.
I have run in some very strange issues with anaconda and NFS via UDP. I recommend TCP as
the default for all RHEL / Centos 4 and 5 builds. I don't believe that --opts=tcp is
supported in earlier version is an anaconda.
Joseph Boyer Jr
Enterprise Technology Services
Liquidnet Holdings, Inc.
Joseph.Boyer(a)liquidnet.com
T +1 646.660.8352
C +1 646.284.8394
-----Original Message-----
From: cobbler-bounces(a)lists.fedorahosted.org
[mailto:cobbler-bounces@lists.fedorahosted.org] On Behalf Of Michael DeHaan
Sent: Friday, October 03, 2008 10:40 AM
To: cobbler mailing list
Subject: Re: RH NFS TCP UDP installs
Joseph Boyer Jr. wrote:
Tim,
I use the nfs string you mention below in my kickstart template and have added these
variables to my /etc/cobbler/settings so that cobbler picks them up when it generates the
ks.cfg
The vars are:
Nfs_server: 'ip address'
Nfs_distro_root: 'my distro path'
-joe
Joseph Boyer Jr
Enterprise Technology Services
Liquidnet Holdings, Inc.
Joseph.Boyer(a)liquidnet.com
T +1 646.660.8352
C +1 646.284.8394
I should also add that if your trees are already on NFS, it can set up
the URL parts for you automatically. Maybe this was already known, but
anyway, this simplifies finding trees over NFS and can be useful:
Assume you have /mnt/nfs and that is accessible as
nfs://foosball.example.org/somepath
To import all distribution trees under /mnt/nfs and to get the "url"
lines set up automatically, all you do is...
cobbler import --name=someprefix --mirror=/mnt/nfs
--available-as=nfs://foosball.example.org/somepath
It does not however add the opts --tcp.
What's the reason for the interest in --opts=tcp ? We could perhaps
change the default.
-----Original Message-----
From: cobbler-bounces(a)lists.fedorahosted.org
[mailto:cobbler-bounces@lists.fedorahosted.org] On Behalf Of Tim French
Sent: Thursday, October 02, 2008 6:11 PM
To: cobbler mailing list
Subject: RH NFS TCP UDP installs
I know it's not a cobbler question but maybe someone has run into this
prob.
It seems that RH (and thus cobbler) uses UDP for NFS kickstarts.
How are folks NFS kickstarting with their Filers using NFS over TCP?
The official RH line is to use a boot command line option for RH4.
Further research shows:
It look like adding
--opts=tcp to the nfs line in the ks file would works.
Since the ks file is generated on-the-fly how do I get something that
looks like this
# INSTALLATION TYPE
nfs --server $nfs_server --dir $nfs_distro_root/$distro --opts=tcp
Timothy French <tim.french(a)utah.edu>
Office of Information Technology, University of Utah
Key fingerprint = 838C F04D AAC8 6D9C 7ED7 2629 925E BF3E 1FD1 826C
This is a bit kludgy, so you might want to rethink why you want to do it.
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