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Lun problem about MSA 2012FC storage with 2 x DL380G5

GrandSlam
Occasional Advisor

Lun problem about MSA 2012FC storage with 2 x DL380G5

I have installed 1 x MSA 2012FC storage with 12 x 300GB HDD, the MSA has dual controller (IP = 10.0.0.2 ad 10.0.0.3). With is connected to 2 x DL380G5 servers, each installed with 1 x dual-port Q-logic card. Totally 4 host fibre ports (WWN) exists in the system.

The syystem is used for MSCS.

Now I change the Q-logic config. as loop connection and BIOS enable. The fibre connection is direct connection without SAN switch.

In the SMH, I config. 3 x logical drives, each consists of 4 x 300GB HDD as RAID 1+0, so totally 3 logical drives.

I know I need to map these 3 vdisks to those 4 WWN. I map all 3 logical drives full access to all 4 WWN. But for each item from logical disk to WWN, it shows the LUN option for me to fill. Should I assign the same LUN for all WWN to 1 logical drives (3 Luns) or assign individual LUN for each WWN to each logical drives (12LUNs)?