Is there any documentation on the process of moving xCAT from one node
to a new node (or just reinstalling on the same node). We need to
move from CentOS 5 to CentOS 6 on our xCAT server (plus moving it from
one physical machine to one in a different rack).
Mostly I can treat it as a new installation, but there will be some
things necessary to preserve from the old system:
- The xCAT database. This is easy enough to preserve (dumpxCATdb or
just moving the sqlite files).
- The xCAT ssh keys (both server keys and compute nodes keys)
- The xCAT internal CA data
- Console server logs from /var/log/consoles (may be time to clean up
some of the older log files)
Most of this data seems to live in /etc/xcat (except master ssh keys
in /etc/ssh).
I also intend to address moving/coping data from /install to the new
system.
Is there any other data which needs to be preserved when moving the
xCAT server to a new installation?
- Any other important log files?
- Anything else in /var?
- Anything not from .rpm files in /opt/xcat?
If I keep the same hostname/ip address is there anything I need to
change in the database or other configuration files? Last time I
needed to re-IP an xCAT system it took me a while to find various
breakage using the old ip address.
What is best practice in having the xCAT system in the xCAT database?
I like having the console log files but don't want accidents happening
(like rpower off on the xCAT server).
Thanks,
Stuart
--
I've never been lost; I was once bewildered for three days, but never lost!
-- Daniel Boone
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