Fabric (Switches)

ext_bus
10
0/8/0/0.1.23.42.0 fcparray CLAIMED INTERFACE FCP
Array Interface
target 27 0/8/0/0.1.23.42.0.0 tgt CLAIMED DEVICE
disk 7 0/8/0/0.1.23.42.0.0.0 sdisk CLAIMED DEVICE HP
A6188A
/dev/ dsk/c10t0d0 /dev/ rdsk /c
10
t0d0
disk 8 0/8/0
/0.1.23.42.0.0.1 sdisk CLAIMED DEVICE HP
A6188A
/dev/ dsk/c10t0d1 /dev/ rdsk /c
10
t0d1
LUN (0 -7)
target (0 -15)
BUS (0 -15)
Instance of the card “C” numbers are same as ext_bus instances
Port – third byte of N-Port ID
(1) 42 is in decimal – convert to HEX which is 2a
(2) 2a is the AL_PA
(3) Look up 2a in AL_PA table to find loop ID = 108
Will be 0 if DFA no loop id required
Area – second byte of N-Port ID
(1) 23 is in decimal – convert to HEX which is 17
(2) Divide the 17 into two nibbles or digits, the “7” means
port 7 on switch
Domain – first byte of N-Port ID
(1) This is the Switch Domain (do a switchShow to show Domain
(2) This will be “0” if no switch
Card Node
Hardware address of the HBA, also written on back of server
FABRIC (SWITCHES)

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