Can you paste the contents of the networks table entry for the 148.187.x.xx
network you’re using for the lcg.cscs.ch network/subdomain?
Regards,
Christian Caruthers
Lenovo Professional Services
Mobile: 757-289-9872
From: Carmelo Ponti (CSCS) [mailto:cpo...@cscs.ch]
Sent: Thursday, March 15, 2018 07:04
To: xCAT Users Mailing list <xcat-user@lists.sourceforge.net>
Cc: Conciatore Dino <conciat...@cscs.ch>
Subject: Re: [xcat-user] (no subject)
Dear Bin and Christian,
Thank you very much for your prompt answer. Usually at CSCS we are using xCAT
to install specific clusters and we never faced out this problem. In this case
we are trying to use xCAT to install general purpose servers, small cluster or
virtual machines so we have a very heterogeneous environment. As you pointed
out we tried to install servers located on a different subnet with a different
subdomain (e.g.: bar.<department>.cscs.ch). Yesterday our fist configuration
was the following:
hosts.csv:"arc06","148.187.xxx.xxx","arc06.lcg.cscs.ch",,,
mac.csv:"arc06","ens32","00:50:56:xx:xx:xx",,
nodehm.csv:"arc06","ipmi","ipmi","kvm",,,,,,,,,,,
nodelist.csv:"arc06","all,cscs","booting","03-15-2018 10:02:31",,,,,,,,,
noderes.csv:"arc06",,"pxe","148.187.x.xx","/tftpboot","148.187.x.xx",,,,"ens32",,,,,,,,,,,,
nodetype.csv:"arc06","centos7.4","x86_64","cscs","centos7.4-x86_64-install-cscs",,,,
This is the way I always used since years but in this case failed.
After some tests we tried to configure again arc06 as following:
hosts.csv:"arc06.lcg.cscs.ch","148.187.xxx.xxx","arc06.lcg.cscs.ch",,,
mac.csv:"arc06.lcg.cscs.ch","ens32","00:50:56:xx:xx:xx",,
nodehm.csv:"arc06.lcg.cscs.ch","ipmi","ipmi","kvm",,,,,,,,,,,
nodelist.csv:"arc06.lcg.cscs.ch","all,cscs",,,,,,,,,,,
noderes.csv:"arc06.lcg.cscs.ch",,"pxe","148.187.x.xx","/tftpboot","148.187.x.xx",,,,"ens32",,,,,,,,,,,,
nodetype.csv:"arc06.lcg.cscs.ch","centos7.4","x86_64","compute","centos7.4-x86_64-install-compute",,"osi",,
And now we managed to install the server without problem. Apparently we fixed
our problem but it would be nice to hear your comments/suggestions too.
Thank you,
Carmelo
On Thu, 2018-03-15 at 05:49 +0000, Bin XA Xu wrote:
Hi Carmelo,
Thanks to give us the information, but pointed out by Christian, we'd like
to know more about your scenario there.
It seems you want some nodes' FQDN are foo.cscs.ch, and some of them are
bar.<department>.cscs.ch.
Are those nodes in the same subnet? and why we want the different domain,
just for split a big cluster into some small ones?
Bin Xu
HPC Software Development
Software Defined Infrastructure, IBM Systems
Phone: 86-010-82454067
E-mail: bx...@cn.ibm.com<mailto:bx...@cn.ibm.com>
----- Original message -----
From: Christian Caruthers <ccaruth...@lenovo.com<mailto:ccaruth...@lenovo.com>>
To: xCAT Users Mailing list
<xcat-user@lists.sourceforge.net<mailto:xcat-user@lists.sourceforge.net>>
Cc:
Subject: Re: [xcat-user] (no subject)
Date: Wed, Mar 14, 2018 9:34 PM
Are you asking about multi-homed cluster clients or whether xCAT can manage a
client that does not have an interface on the provisioning network? How do
these different domains translate to networks? Are they all on the same
network, or separated into different subnets?
Regards,
Christian Caruthers
Lenovo Professional Services
Mobile: 757-289-9872
-----Original Message-----
From: Carmelo Ponti (CSCS) [mailto:cpo...@cscs.ch]
Sent: Wednesday, March 14, 2018 07:25
To: xcat-user@lists.sourceforge.net<mailto:xcat-user@lists.sourceforge.net>
Cc: Conciatore Dino <conciat...@cscs.ch<mailto:conciat...@cscs.ch>>
Subject: [xcat-user] (no subject)
Hello,
at CSCS we would like to use the same xcat server to install different servers
with different domains.
With the main domain defined in /etc/xcat/site.sqlite we don't have any
problem:
# tabdump site | grep domain
"domain","cscs.ch",,
All servers with a name or an alias <hostname>.cscs.ch are working perfectly.
But if we try to install a new server with another domain (e.g.:
hostname.something.cscs.ch), this will failed.
I would like to know if it's possible to define multiple domains on the same
xcat server.
Thank you in advance,
Carmelo Ponti
--
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Carmelo Ponti System Engineer
CSCS Swiss Center for Scientific Computing
Via Trevano 131 Email: cpo...@cscs.ch<mailto:cpo...@cscs.ch>
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Carmelo Ponti System Engineer
CSCS Swiss Center for Scientific Computing
Via Trevano 131 Email: cpo...@cscs.ch<mailto:cpo...@cscs.ch>
CH-6900 Lugano http://www.cscs.ch
Phone: +41 91 610 82 15/Fax: +41 91 610 82 82
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