On 08/01/2024 09:37, ANDREW BEATTIE wrote:
Would be plenty for the gui role as it stands today,
The ESS EMS server does not use SSD at all, and it runs the GUI for an
ESS cluster.
I care not about the GUI role, only the RestAPI support.
I am old school and take the view that if you need a GUI to manage your
storage then step away from the keyboard :-)
However it’s worth noting that there are changes coming to the GUI /
rest API as part of the 5.2.0 / 5.2.1 code in 1H 2024
You might want to reach out to your local IBM resource and ask them to
put you in touch with one of the developers for the new experience to
explain what’s coming in more detail.
Here is a question can you replace the GUI/RestAPI servers live without
service interruption? Say just spin up a couple more and then retire the
old ones. Or replace them one at a time?
As it stands the machines are pretty old anyway and are spare because
firstly the CPU is not supported in ESXi 7+, and then SAS adaptor is not
supported in RHEL8+. Hence they are spare.
However they work just fine under Ubuntu LTS 22.04 and we are likely to
move away from RHEL after RedHat's stunt last year. However I would want
to be able to replace them without downtime if required and as funds allow.
JAB.
--
Jonathan A. Buzzard Tel: +44141-5483420
HPC System Administrator, ARCHIE-WeSt.
University of Strathclyde, John Anderson Building, Glasgow. G4 0NG
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