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Same disk appears twice on Disk Manager

Frequent Advisor

Same disk appears twice on Disk Manager



I have a DL380 G4 connected to a MSA1000 via fiber cable. Server has two Qlogic fiber cards connected everyone to a two StorageWoks 1/7 Fiber switch. Also, the MSA 1000 is connected via fiber to Fiber Switch.


Server is running W2K8 R2.


The issue is that any LUN I create and assign to this server is seen twice, I mean, as two units.


I understand that HP Multipath probably is not well installed or configured. Is my assumption right? How could I solve this issue? Wich software / driver do I need?



Senior Systems Administrator
Trusted Contributor

Re: Same disk appears twice on Disk Manager

How you creat LUN?

can you send us and ADU Report?

I work for HP
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Jimmy Vance

Re: Same disk appears twice on Disk Manager

If you have both QLogic cards conencted you will see all the luns twice. You need to enable MPIO in the OS




Technet article - Installing and Configuring MPIO

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