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:"arc0
6","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",,,m
ac.csv:"arc06.lcg.cscs.ch","ens32","00:50:56:xx:xx:xx",,nodehm.csv:"arc
06.lcg.cscs.ch","ipmi","ipmi","kvm",,,,,,,,,,,nodelist.csv:"arc06.lcg.c
scs.ch","all,cscs",,,,,,,,,,,noderes.csv:"arc06.lcg.cscs.ch",,"pxe","14
8.187.x.xx","/tftpboot","148.187.x.xx",,,,"ens32",,,,,,,,,,,,nodetype.c
sv:"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
>
>
>
>
>
> > ----- Original message -----
> > From: Christian Caruthers <ccaruth...@lenovo.com>
> > To: xCAT Users Mailing list <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
> > Cc: Conciatore Dino <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
> >
> > --
> > -----------------------------------------------------------------
> > -----
> > Carmelo Ponti System Engineer
> > CSCS Swiss Center for Scientific Computing
> > Via Trevano 131 Email: cpo...@cscs.ch
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> >
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> > 82
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--
----------------------------------------------------------------------
Carmelo Ponti System Engineer
CSCS Swiss Center for Scientific Computing
Via Trevano 131 Email: 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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