Optional) Configuring The Length Of The Issu Rollback Timer; Implementing Issu - Huawei Quidway S9300 Configuration Manual

Quidway S9300 Terabit Routing Switch
Configuration Guide - Device Management
ISSU precheck has little impact on the system and does not cause the SMB to reset, and thus
can be used in non-ISSU phases.
Do as follows on the device on which ISSU is performed:
Procedure
Step 1 Run:
issu precheck system-software system-file
The ISSU precheck is performed.
After ISSU precheck is complete, the system automatically provides the precheck result.
----End
10.3.3 (Optional) Configuring the Length of the ISSU Rollback
Timer
You can set the value of the ISSU rollback timer. After the configuration, you must complete
the upgrade before the timer expires; otherwise, the upgrade fails.
Context
Do as follows on the device on which ISSU is performed:
Procedure
Step 1 Run:
issu timer rollback time
The length of the ISSU rollback timer is set.
When the system enters the ISSU check phase, the ISSU rollback timer is automatically activated
and its length is 120 minutes by default.
----End

10.3.4 Implementing ISSU

By implementing ISSU, you can shorten service interruption and improve reliability of a device.
Context
During implementing ISSU, follow the prompts and interactive information of the system.
Do as follows on the device on which ISSU is performed:
Procedure
Step 1 Run:
issu check system-software system-file
ISSU is checked.
Issue 03 (2011-12-29) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
10 ISSU Configuration
152