Displaying Device Data; Clearing Alpa Values; Persistent Alpa Policy Considerations; Upgrade And Downgrade Considerations For Persistent Alpa - Brocade Communications Systems 8 Administrator's Manual

Displaying device data

You can view the ALPA of the host related to any ports you delete from the database.
1. Connect to the switch and log in using an account assigned to the admin role.
2. Enter the ag

Clearing ALPA values

You can clear the ALPA values for a specific port.
1. Connect to the switch and log in using an account assigned to the admin role.
2. Enter the ag
NOTE
All the data must be persistent in case of a reboot. During a reboot, the tables will be dumped to the
persistent_NPIV_config file.

Persistent ALPA policy considerations

The Persistent ALPA feature is not supported in the following:
•
•
•

Upgrade and downgrade considerations for Persistent ALPA

Downgrading to Fabric OS v6.2.X or earlier is not supported. When downgrading to Fabric OS v6.2.X
or earlier, if the Persistent ALPA feature is enabled, clear all the data from the database, and then
disable this feature before downgrading. For information on how to clear data from the database,
see
Access Gateway Administrator's Guide
53-1001760-01
printalpamap command with the appropriate operand to display a database
--
entry for a specific F_Port. The following example will display an entry for F_Port 2.
switch:admin> ag --printalpamap 2
clearalpamap command with the appropriate operand to remove the
--
PWW-to-ALPA mapping for a specific port. In the following example, the mapping for port 2 is
cleared from the database.
switch:admin> ag --clearalpamap 2
When AG N_Ports are connected to the shared ports of 48-port Director blades
CISCO fabrics. Enable Persistent FCID mode on the connecting Cisco switch to achieve the
same functionality.
Persistent ALPA configuration will not change to the default when the configdefault command
is used, but will retain the previous configuration.
"Removing device data from the database"
Persistent ALPA Policy
on page 42.
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