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© Rakhesh Sasidharan

Elsewhere

Reboot a bunch of ESXi hosts one after the other

Not a big deal, I know, but I felt like posting this. :)

Our HP Gen8 ESXi hosts were randomly crashing ever since we applied the latest ESXi 5.5 updates to them in December. Logged a call with HP and turns out until a proper fix is issued by VMware/ HPE we need to change a setting on all our hosts and reboot them. I didn’t want to do it manually, so I used PowerCLI to do it en masse.

Here’s the script I wrote to target Gen8 hosts and make the change:

I could have done the reboot along with this, but I didn’t want to. Instead I copy pasted the list of affected hosts into a text file (called ESXReboot.txt in the script below) and wrote another script to put them into maintenance mode and reboot one by one.

The screenshot output is slightly different from what you would get from the script as I modified it a bit since taking the screenshot. Functionality-wise there’s no change.

Reboot a bunch of ESXi hosts one after the other by rakhesh is licensed under a Creative Commons Attribution 4.0 International License.