Hi Russell,
For some reason that wiki page never came up in my Google searches even
when I placed quotes around "service node". Thanks! I'll take a look
through it.
Regards,
Josh
On Wed, Jan 8, 2014 at 12:25 PM, Russell Jones <russell-l...@jonesmail.me>wrote:
> Hi Josh,
>
> This should be helpful for you (it was for me when first learning how to
> set this up):
> http://sourceforge.net/apps/mediawiki/xcat/index.php?title=Setting_Up_a_Linux_Hierarchical_Cluster
>
>
>
> On 1/8/2014 11:52 AM, Josh Nielsen wrote:
>
> Hello all,
>
> I am trying to move my xCAT installation toward a hierarchical structure
> by including Service Nodes but I am finding a dearth of information on how
> to create a service node on the xCAT wiki and even the Sumavi xCAT guide.
> At first I began following the instructions for a setting up a management
> node (which involves a new xCAT install, an independent xCAT database,
> etc.) on a VM intended to the the SN but then realized that that must be
> wrong.
>
> I have noticed the xCAT 'servicenode' database table present on the
> Management Node (listed with tabdump). I am wondering if I can simply
> designate a new node (in my case a VM) to be the prospective SN, designate
> which services (like dhcp, dns, etc.) to enable/disable in the
> 'servicenode' table, and then do a fresh 'rinstall' to that VM and have it
> be automatically & fully configured as an SN from postinstall scripts
> (which I presume are already present and will be automatically applied to
> that node by some xCAT logic of parsing the 'servicenode' table and
> associating any relevant postscripts to be run with the node).
>
> If so will it create the /install and /tftpboot directories (including
> ISOs made with copycds) on each SN identical to the contents of the MN? Is
> it that simple or is there more involved than that?
>
> In addition I want to be able to take down the Management Node in the
> future for maintenance and be able to do just about everything that the MN
> can do from the SNs (including dhcp leases, rpower commands, updatenode,
> psh, etc) while the MN is down. Is that possible? Any clarifications would
> be appreciated.
>
> Thank you,
> Josh Nielsen
>
>
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