HP AA979A - StorageWorks SAN Switch 2/8V, Administrator'S Manual, Page: 266 / 465

278 Administering FICON fabrics
Setting mode register bits
Use the
ficoncupset modereg
command to set the FICON CUP mode register bits for the local switch.
Consider the following when changing mode register bits:
• As required by the CUP protocol, the UAM bit cannot be changed using this command.
• All mode register bits except UAM are saved across power on/off cycles; the UAM bit is reset to 0
following a power-on.
• Mode register bits can be changed when the switch is offline or online. If the ACP or HCP bits are
changed when the switch is online, they will take effect any time between the completion of the current
command and the end of the CCW command chain (or the next alternate manager operation).
The command format is:
ficoncupset modereg [ bitname ] 0 | 1
where:
The following example sets the mode register bit HCP to off:
The following example sets the mode register bit ACP to on:
Persistently enabling/disabling ports
When fmsmode is enabled, you cannot use the
portCfgPersistentEnable
and
portCfgPersistentDisable
commands to persistently enable and disable ports. Instead, use the
following procedure:
1. Enter the
ficoncupshow modereg
command to display the mode register bit settings.
2. Verify that the ASM bit is set on (1).
3. If the ASM bit is set off (0), enter the
ficoncupset modereg asm 1
command to set it on
4. Use the
portEnable
and
portDisable
commands to enable and disable ports as necessary.
The ports remain enabled or disabled after a switch reboot.
In the following example, the ASM bit is set to on; then, the port at slot 1, port 1 is enabled persistently:
bitname
One of the mode register bits described in Table 62 on page 277.
0 Specifies that the bit is off.
1 Specifies that the bit is on.
switch:admin> ficoncupset modereg HCP 0
Mode register bit HCP has been set to 0.
switch:admin> ficoncupset modereg ACP 1
Mode register bit ACP has been set to 1.
switch:admin> ficoncupshow modereg
POSC UAM ASM DCAM ACP HCP
------------------------------
1 0 0 0 1 1
switch:admin> ficoncupset modereg ASM 1
Mode register bit ASM has been set to 1.
switch:admin> portenable 1/1