Cisco Nexus 5000 Series - Page 530

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1-6
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
OL-16597-01
Chapter 1 Distributing Device Alias Services
Device Alias Databases
Locking the Fabric
When you perform any device alias configuration task (regardless of which device alias task), the fabric
is automatically locked for the device alias feature. Once you lock the fabric, the following situations
apply:
• No other user can make any configuration changes to this feature.
• A copy of the effective database is obtained and used as the pending database. Subsequent
modifications are made to the pending database. The pending database remains in use until you
commit the modifications to the pending database or discard (abort) the changes to the pending
database.
Committing Changes
If you commit the changes made to the pending database, the following events occur:
1. The pending database content overwrites the effective database content.
2. The pending database is distributed to the switches in the fabric and the effective database on those
switches is overwritten with the new changes.
3. The pending database is emptied of its contents.
4. The fabric lock is released for this feature.
To commit the changes, perform this task:
Discarding Changes
If you discard the changes made to the pending database, the following events occur:
1. The effective database contents remain unaffected.
2. The pending database is emptied of its contents.
3. The fabric lock is released for this feature.
To discard the device alias session, perform this task:
To display the status of the discard operation, use the show device alias status command.
switch# show device-alias status
Fabric Distribution: Enabled
Database:- Device Aliases 24
Status of the last CFS operation issued from this switch:
Command Purpose
Step 1
switch# configuration terminal
switch(config)#
Enters configuration mode.
Step 2
switch(config)# device-alias commit
Commits the changes made to the currently
active session.
Command Purpose
Step 1
switch# configuration terminal
switch(config)#
Enters configuration mode.
Step 2
switch(config)# device-alias abort
Discards the currently active session.