6-42 Sun StorEdge 3000 Family Installation, Operation, and Service Manual • May 2004
14. To verify unique mapping of each LUN (unique LUN number, unique DRV
number, or unique Partition number):
a. From the Main Menu, choose “view and edit Host luns.”
b. Select the appropriate controller and ID and press Return to review the LUN
information.
A mapped LUN displays a number and a filtered LUN displays an “M” for masked
LUN in the host LUN partition window.
6.2.3 Setting Up Host Filter Entries
For multiple servers connected to the same loop on the array, LUN filtering
organizes how the partitions are accessed and viewed from host devices. LUN
filtering is used to provide exclusive access from a server to a partition and exclude
other servers from seeing or accessing the same partition.
LUN filtering also enables mapping of multiple logical drives or partitions to the
same LUN number, allowing different servers to have their own LUN 0. LUN
filtering is valuable in clarifying mapping when each HBA typically sees twice the
number of logical drives when viewed through a hub.
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