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Storadge pWWN change by itself. Can that be?

maksim_pugach
Level 1
Level 1

Can storage change it's pWWN by itself, while migrating that link to another MDS in another fabric?

We need to replace old MDS with new one, in dual-fabric environment.

It's HP-UX and EMC mostly. Going to use same Domain ID and FCID:pWWN mapping.

Our customer confusing me with some issue which he expirienced some time ago in same situation.

But that was not documented, so he can't confirm it.

1 Accepted Solution

Accepted Solutions

guijarro_felipe
Level 1
Level 1

Hi,

EMC storage pWWNs do not change.

Rgds

View solution in original post

3 Replies 3

guijarro_felipe
Level 1
Level 1

Hi,

EMC storage pWWNs do not change.

Rgds

Hello

If it hadn't been for one incident a few years back, I'd have said no never.

I had the HBA cards in a few IBM blades change their pWWN after a FW upgrade - IBM swore it could not happen, but it did.

Steven

Thank you guys. As expected, it didn't happen.

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