HP StorageWorks 2/128 HP StorageWorks Fabric OS 5.X Procedures User Guide (AA- - Page 222
Converting port number to area ID, shows a 4/256 SAN Director with Extended Edge PID.
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Example of the configure command on a switch running Fabric OS 5.0.1: configure Configure... Fabric parameters (yes, y, no, n): [no] y Domain: (1..239) [11] R_A_TOV: (4000..120000) [10000] E_D_TOV: (1000..5000) [2000] WAN_TOV: (0..30000) [0] MAX_HOPS: (7..19) [7] Data field size: (256..2112) [2112] Sequence Level Switching: (0..1) [0] Disable Device Probing: (0..1) [0] Suppress Class F Traffic: (0..1) [0] Switch PID Format: (1..2) [1] 2 Per-frame Route Priority: (0..1) [0] Long Distance Fabric: (0..1) [0] BB credit: (1..27) [16] Insistent Domain ID Mode (yes, y, no, n): [no] Virtual Channel parameters (yes, y, no, n): [no] Zoning Operation parameters (yes, y, no, n): [no] RSCN Transmission Mode (yes, y, no, n): [no] Arbitrated Loop parameters (yes, y, no, n): [no] System services (yes, y, no, n): [no] Portlog events enable (yes, y, no, n): [no] ssl attributes (yes, y, no, n): [no] http attributes (yes, y, no, n): [no] snmp attributes (yes, y, no, n): [no] rpcd attributes (yes, y, no, n): [no] cfgload attributes (yes, y, no, n): [no] webtools attributes (yes, y, no, n): [no] Switch PID format has changed to PID Format 2 ('Extended Edge PID') Converting port number to area ID Except for the following cases, the area ID is equal to the port number: • When you perform a port swap operation • When you enable Extended Edge (also known as displaced PID) PID on the switches and directors If you are using Extended Edge PID format (for example, the 4/256 SAN Director with configuration option 5) and would like to map the output of the port number to the area ID, use the following formula (for ports 0-127): a = (p + 16) % 128 where a is the area, p is the port number, and % is the remainder. Note that 0 ≤ p < 128 . When the port number is greater than or equal to 128, the area ID and port number are the same. Figure 13 shows a 4/256 SAN Director with Extended Edge PID. 222 Configuring the PID format