VSphere and Md3220

Hi all!

I am new to this forum and have already posted my question in another forum, but I think it's the right place .

I have a - Don - t know if there is a big problem:

We have Dell servers running vSphere connected to MD of Dell storage with SAS connections.

After a single host lost two SAS connections (the control LED connection where widest) storage, I tried a reboot.
The connection was again upwards, but datatransfer was impossible, so we changed the host SAS controller.

The new controller has new identifiers of sas and I did not remove the "old" right now.

So after the change, we have 6 identfieres sas on the MD, but only 4 could be in use (2 guests each with a SAS cards with 2 connectors.)

So I tried to delete the old ID thereafter, but when I deleted one of the IDS and controlled in the 'not affect IDs' window of the MD (its called "nicht zugewiesene Kennungen host Port" in German, I hope that my translation is not so bad) deleted ID appears.

We have rechecked (with the support of Dell) that this ID is one of the old map, but I Don t understand why the MD it still shows as if it there where it is always connected to the storage.

This weekend, I'll remove the second ID, hoping that the first deleted will appear no more when I deleted the other, when both have although I'll try a reboot of the storage, but that I have no other idea that I can do to get rid of the old card ID.

Sorry for my English is not my mother tounge... :-)

Hopefully, someone can help me...

Kind regards
Maximilian

To clear the 'old' version of the MD32xx SAS WWN, you have to powercycle the entire unit. I ran into this before me where I couldn't identify what VMware Server was using what WWN.

There are 2 main options:

-1 server to restart, go to the interface of SAS6E HBA firmware and note the name WWN (if you have only 2 servers, through process of elimination, you know who's who)

-disconnect the 1 server and table powercycle of the MD

Tags: Dell Products

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