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I've come across an interesting piece which gives cause for concern over the way that hypervisors share HBAs.  "The HBA presents a WWN (World Wide Name) to the I/O driver of the server, and that server uses it as it will. In a virtual server mode, all of the server instances can see and access the same HBA - and all the same logical unit numbers (LUN) attached to it."

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Posted on Thursday, February 16, 2006 6:14 PM VMware | Back to top


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