Signature LUN after replacement of the RAID controller

I have the following scenario:

I had a Cisco UCS server with an LSI controller. I needed to replace the controller to another, the same form, different model.

I've done the replacement physical, powered on the server. ESXi starts fine, but no data store appears. Data warehouses are on the local hard drive. There is no remote storage.

When I try to add the data store, I had 2 options of mainly:

-Keep the existing signature

-A new signature assing.

I'm sure both will work, and I'd go with the first.

However, I would like to know what impact the selection of one of these options. Similar cases, I will, will that be the best since I'm on a new material for RAID controller?

Or would it not matter at all if I keep the same signature?

I have beenr of reading on these 2 options, and for local storage, they do not seem to make any difference, but would like to know any other thoughts.

I kinda fear Award for a new signature.

Thank you.

Due to the replacement of the controller, the ESXi host now recognizes the LUN as a snapshot LUN, it contains a signature known, but it is presented to another controller. Given that you can ensure that the logic unit number is unique, I don't see a requirement for resignaturing it.

André

Tags: VMware

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