HP XC System Software Administration Guide Version 2.1

_______________________ Note _______________________
The updateclient.local.exclude file is used specifically by the
updateclient utility; it has no effect wh en nodes are reimaged as a result
of a client autoinstall operation.
The updateclient.local.exclude file is resident on each node and referenced
locally during the updateclient operation. Yo u should update this file as
you would update other so ftware throughout the HP X C system; that is, edit the
/etc/systemimager/updateclient.local.exclude file on the golden client,
then incorporate into t he golden image with the updateimage command. The updated
image i s distributed as d escr ib e d in Section 7.4.
7.4 Propagating the Golden Image to All Nodes
After you update the golden image successfully, and all nodes are optionally set to network
boot, you are ready to deploy the updated image to all client nodes. The methods for distributing
files to all the client nodes are described in th e following sections.
7.4.1 Using the Full Reboot
A recommen ded procedure to propag ate the golden image is to install all client nodes
automatically. This ensures that they receive the updated image and any updated configuration
information automatically. When all nodes are set to network boot, a reboot of each client node
starts the automatic installation. After each nod e completes its installation, it automatically
reboots and is available for service.
Use the stopsys and startsys command s to re boo t a ll the c li ent nod es.
# stopsys
# startsys
_________________________ Note _________________________
Be sure to allow enough time for the stopsys command to power down the
nodes before issuing th e startsys command. See the stopsys
(8) manpage
for more information.
7.4.2 Using the updateclient Utility
Another recommended procedure e mp loy s the updateclient utility to propagate the go lden
image to all client nodes w ith out the need for all nodes to be fully reinstalled.
The following is a general procedure for distri buting the golden image to all client nodes using
the updateclient utility:
1. Log in as superuser on the head node.
2. Ensure that the HP XC system is relatively inactive (quiesced).
Use t he appropriate drain utility to drain jobs from the node. For exam ple, Section 11.5.2
describes how to drain jobs from a node using SLURM.
3. Run the updateimage utility on the head node to update the golden image. Be sure
to use the --no-netboot optio n so that the client nodes are not set to network boot
the next t ime they are rebooted:
# updateimage --gc ‘nodename‘ --no-netboot
See Section 7.3.2 and the updateimage(8) manpage for more information on the
updateimage utility
Distributing Software Throughout the System 7-7