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Mark a disk as SSD and Local in ESXi 5.x

March 21, 2013 by FrankBrix Leave a Comment

I was just working in my lab and wanted to play around with a vSphere 5.x feature. The feature I wanted to use required that the disk is SSD and the disk is Local. My lab environment is entirely virtual and I have no SSD. Here is what I did to accomplish it.

The first thing you need to do is list your devices. Everything is done from the local ESXi shell:

esxcli storage nmp device list

This gave me the following output. The information you need to look for is the “device id” and the “satp”

Fake_ssd_1

 

The next thing we can do is to mark the device as “Local” and “SSD”. I used the following command:

esxcli storage nmp satp rule add –satp VMW_SATP_LOCAL –device mpx.vmhba2:C0:T0:L0 –option “enable_local enable_ssd”

Then we have to claim the new rule:

esxcli storage core claiming reclaim -d mpx.vmhba2:C0:T0:L0

And at the end we can run the following command to verify our changes:

esxcli storage core device list –device=mpx.vmhba2:C0:T0:L0

Fake_ssd_2

 

After doing this ESXi detected the disk as a Local SSD and I could start working in my lab.

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