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тАО08-16-2011 08:46 PM
тАО08-16-2011 08:46 PM
VC FlexFabric Virtual WWNs?
I have 2 c7000 chassis, one with a pair of FlexFabric, one without (other has Flex10 and Brocade). In the FlexFabric I've used VC assigned WWNs and it works fine, the weird part is that in the Brocade in the other Chassis is reporting the same WWNs for one of the HBAs (only one all others are normal).
ie VC assigned WWNs from 50:06:0b:00:00:c2:62:00 to :c2:62:ff.
And one of these Flex adapters is quite rightly c2:62:0a and 0b, but somehow one HBA in the other chassis has also been assigned the same WWN c2:62:0b (even though it's real WWN is 6b:06:1c and 1e) -see attached
How does that happen, and how can I stop it from happening?
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тАО08-18-2011 09:06 AM
тАО08-18-2011 09:06 AM
Re: VC FlexFabric Virtual WWNs?
hairyfish,
was the blade in the other chassis, (the one with the VC Virtual WWN) in the VC domain at one point in time?
What model of HBA, QLogic? You might need to call HP to get the adapter replaced.
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тАО08-18-2011 09:06 PM
тАО08-18-2011 09:06 PM
Re: VC FlexFabric Virtual WWNs?
No the second chassis is new so hasn't had anything in it until now. The 'rogue' HBA is a Qlogic QMH2462. Each Chassis has different VC domains, as Chassis 1 is only Flex10, whereas Chassis 2 is FlexFabric.
I've just double checked a few things and the offending server is the only server not configured for VC in chassis1 so maybe that is related?
I've only recently taken over this environment so not sure of the full history.
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тАО08-18-2011 09:09 PM
тАО08-18-2011 09:09 PM
Re: VC FlexFabric Virtual WWNs?
Also, it looks like the WWPN is unique, only the WWNN is duplicated. From what I can tell this is assigned from the fabric rather than the HBA, so it most likely switch related? I'm grasping at straws here as SANs are all quite new to me.