Rolling Back to a Specific Rollback Point
You can roll back to a specific rollback point, including a noncommitted software set:
•
If you roll back to the most recent noncommitted rollback point (with the highest number), you do not
need to reload the router.
•
You can repeat the rollback process one rollback point at a time without reloading if you always choose
the most recent rollback point.
•
If you choose a rollback point that is older than the most recent point, the impacted nodes reload,
interrupting data traffic on those nodes. Before the reload occurs, you are prompted to confirm the install
rollback operation.
In the following example, the system is rolled back to noncommitted rollback point 8:
RP/0/RSP0/CPU0:router(admin)# install rollback to 8
Install operation 10 'install rollback to 8' started by user 'cisco' at 07:49:26
UTC Mon Nov 14 2009.
The install operation will continue asynchronously.
Info: The changes made to software configurations will not be persistent
Info: across system reloads. Use the command 'admin install commit' to make
Info: changes persistent.
Info: Please verify that the system is consistent following the software
Info: change using the following commands:
Info: show system verify
Info: install verify packages
The currently active software is the same as the committed software.
Install operation 10 completed successfully at 07:51:24 UTC Mon Nov 14 2009.
Rolling Back to the Last Committed Package Set
Use the install rollback to committed command to roll back to the last committed package set.
In the following example, the owner SDR is rolled back to the last committed package set:
RP/0/RSP0/CPU0:router(admin)# install rollback to committed
Install operation 27 'install rollback to committed' started by user 'lab' at
16:41:38 UTC Sat Nov 19 2009.
Info: The rollback to committed software will require a reload of impacted
Info: nodes because it is over multiple activation & deactivation
Info: operations.
Info: This operation will reload the following node:
Info: 0/RP1/CPU0 (RP) (SDR: Owner)
Info: This operation will reload all RPs in the Owner SDR, and thereby
Info: indirectly cause every node in the router to reload.
Proceed with this install operation? [confirm]
Updating Commit Database. Please wait...[OK]
Info: The changes made to software configurations will not be persistent
Info: across system reloads. Use the command 'admin install commit' to make
Info: changes persistent.
Info: Please verify that the system is consistent following the software
Info: change using the following commands:
Info: show system verify
Info: install verify packages
Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide, Release 5.1.x
71
Upgrading and Managing Cisco IOS XR Software
Rolling Back to a Specific Rollback Point
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