Version Rollback
Rollback Rules
Sequence: Roll back the Ascend 910 firmware and then the driver of the Atlas 300T training card (model 9000).
If the upgrade fails and the firmware version is still the source version, you do not need to perform a rollback. A rollback is required in any of the following cases:
- A major fault occurred during the upgrade, and cannot be located and rectified within the specified time.
- After the upgrade is complete, the target version functions abnormally.
- The time left for completing the subsequent upgrade operations is insufficient. To avoid service interruption in peak hours, perform rollback promptly.
NPU is the standard training card of Ascend 910 Pro B. When rolling back the drive version, query the actual version number of NPU firmware to check whether the device can be used. For details about the querying method, see 10.
Rollback Operations
- Determine the target version of the rollback.
You are advised to roll back to the version that is used before the upgrade.
- Roll back the version.
When you roll back to the specified version, the rollback procedure is the same as the upgrade procedure. For details, see Upgrading Components to roll back all component versions to ensure version consistency.
