Why this post ?
Upgrading spectrum scale is as easy as pie. In this post I demonstrate how to upgrade Spectrum Scale from 4.1.1 to 4.2.0.
Where to start ?
Let's start with a Spectrum Scale 4.1.1 cluster.
Here is my 4.1.1 Cluster details -
Extract brand new Spectrum Scale ( 18.104.22.168 in my case )
You can either fill-up all cluster definition using 'specturmscale' command or just copy old cluster definition file if there is no change in cluster since installation.
You will see lots of warnings if you check for object parameters
We need to specify following parameters in order to configure upgrade.
ap -- Specify the password for the Admin User
dp -- Specify the password for object database
i -- Specify the GPFS fileset inode allocation to be used
o -- Specify the GPFS fileset to be created/used as the
We also need to configure perform monitoring.
You can either enable or disable performance monitoring as per your requirement.
We should do precheck before upgrade.
If upgrade pre-check is successful, we are ready for upgrade.
Just fire following command which will do upgrade -
Let's confirm using 'mmfsadm'