xaminmo: (Computer Drive)
[personal profile] xaminmo
Controller 1 is WWN 04xxxxxxxxxx
Controller 2 is WWN 05xxxxxxxxxx
Each controller will be ONE target, and the LUNs will be subdevices of that target.

The target numbers assigned by Windows will, by default, be based on the order in which they WWNs are found.

If your windows box only has one HBA, the order of the target numbering to WWN mapping may flip between boots or between hosts.

As such, MSCS won't see the devices as the same device, because the target number differs.

The solutions are to:
A) Use one HBA to one controller port mapping (ie 2 HBAs)
B) Use SANSURFER to set which WWN is which target number (ie 1 HBA)

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