Open Compute Open Vault Knox Unit Drive Identification

Trying to find a failed drive that does not have a red light on it can be quite challenging with the Open Vault Knox Unit(s) since the drives/slots are not labeled.

After looking around the interweb’s and reading the Open Compute Project Open Vault Storage Specification I found the diagram indicating which drive is which.

Open Vault Knox Unit Drive Layout
Open Vault Knox Unit Drive Layout

That being said, you should be able to use MegaCLI to identify the drives using the following command:

Using MegaCLI, you can also list those drives, and their status using:

And you can see the results here, after the drive was replaced.

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Eric Sarakaitis

Virtualization Engineer at CBTS
I'm Eric, I love to cook, sing, garden and enjoy cold beverages!

Author: Eric Sarakaitis

I'm Eric, I love to cook, sing, garden and enjoy cold beverages!