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Creative Commons Attribution 4.0 International License
© Rakhesh Sasidharan

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VMware HPE 3Par recommended settings

Made the following script yesterday to run on all our ESXi hosts to apply HPE recommended settings for 3Par.

No original contribution from my side here. It’s just something I put together from stuff found elsewhere.

I wanted to run this as a cron job on ESXi periodically but apparently that’s not straightforward. (Wanted to run it as a cron job because I am not sure the queue settings too can be set as a default for new datastores). ESXi doesn’t keep cron jobs over reboots so you to modify some other script to inject a new crontab each time the host reboots. I was too lazy to do that.

Another plan was to try and run this via PowerCLI as I had to do this in a whole bunch of hosts. I was too lazy to do that either and PowerCLI seems a kludgy way to run esxcli commands. Finally I resorted to plink (SSH was already enabled on all the hosts) to run this en-masse:

This feels like cheating, I know. This requires SSH to be enabled on all hosts. This assumes I have put the script in some common datastore accessible across all hosts. I am using PowerShell purely to loop and read the contents of a text file consisting of “hostname: password” entries. And I am using plink to connect to each host and run the script. (I love plink for this kind of stuff. It’s super cool!) It feels like a hotch-potch of so many different things and not very elegant but lazy. (Something like this would be elegant. Using PowerCLI properly; not just as a wrapper to run esxcli commands. But I couldn’t figure out the equivalent commands for my case. I was using FC rather the SCSI).

VMware HPE 3Par recommended settings by rakhesh is licensed under a Creative Commons Attribution 4.0 International License.