Before running this command, run the upgrade backup-area slot command to define the active and backup areas and ensure that all member switches in the stack are running the same system software and support smooth upgrades.
If an upgrade fails, error codes and displayed message help locate the cause. Table 1 lists the error codes and displayed messages in different upgrade failure scenarios.
Upgrade Failure Scenario |
Error Code |
Displayed Message |
|---|---|---|
Record in the backup area: The upgrade in the backup area times out and rolls back. |
1 |
Rollback due to timeout. |
Record in the active area: The upgrade in the backup area times out and rolls back. |
2 |
|
Record in the backup area: The upgrade in the active area times out and rolls back. |
3 |
|
Record in the active area: The upgrade in the active area times out and rolls back. |
4 |
|
Record in the backup area: Rollback occurs due to a topology change in the backup area. |
257 |
Rollback due to topology changes. |
Record in the active area: Rollback occurs due to a topology change in the backup area. |
258 |
|
Record in the backup area: Rollback occurs due to a topology change in the active area. |
259 |
|
Record in the active area: Rollback occurs due to a topology change in the active area. |
260 |
|
A member switch records that the master switch is not upgraded. |
512 |
Master is not upgraded. |
During a backup area upgrade, the master switch instructs switches in the backup area to roll back (after the active area instructs the backup area to upgrade and switches in the backup area restart). |
769 |
Master notifies others of rollback. |
During a backup area upgrade, the master switch instructs switches in the backup area to roll back (after the active area instructs the backup area to upgrade and before switches in the backup area restart). |
770 |
|
During an active area upgrade, the master switch instructs switches in the active area to roll back (after the backup area instructs the active area to upgrade and before switches in the active area restart). |
771 |
|
During an active area upgrade, the master switch instructs switches in the active area to roll back (after the backup area instructs the active area to upgrade and switches in the active area restart). |
772 |
|
During a backup area upgrade, the master switch in the active area instructs switches in the backup area to roll back (after switches in the backup area restart). |
1025 |
Master of the active area notifies others of rollback. |
During a backup area upgrade, the master switch in the active area instructs switches in the backup area to roll back (before switches in the backup area restart). |
1026 |
|
During an active area upgrade, the master switch in the active area instructs switches in the active area to roll back (before switches in the active area restart). |
1027 |
|
During an active area upgrade, the master switch in the active area instructs switches in the active area to roll back (after switches in the active area restart). |
1028 |
|
During a backup area upgrade, the master switch in the backup area instructs switches in the backup area to roll back (after switches in the backup area restart). |
1281 |
Master of the backup area notifies others of rollback. |
During a backup area upgrade, the master switch in the backup area instructs switches in the backup area to roll back (before switches in the backup area restart). |
1282 |
|
During an active area upgrade, the master switch in the backup area instructs switches in the active area to roll back (before switches in the active area restart). |
1283 |
|
During an active area upgrade, the master switch in the backup area instructs switches in the active area to roll back (after switches in the active area restart). |
1284 |
|
A load event occurs, and switches in the backup area roll back. |
1537 |
Rollback due to a load event. |
A load event occurs, and switches in the active area roll back. |
1549 |
|
The system software package is incorrect in the active area. |
5 |
Active startup file is incorrect. |
The system software package is incorrect in the backup area. |
6 |
Backup startup file is incorrect. |