Understanding Issu Guidelines; Adjusting And Saving The Running Configuration; Logging In To The Device Through The Console Port; Performing An Issu By Using Issu Commands - HPE FlexFabric 5940 Series Configuration Manual

Understanding ISSU guidelines

During an ISSU, use the following guidelines:
•
In a multiuser environment, make sure no other administrators access the device while you are
performing the ISSU.
•
Do not perform any of the following tasks during an ISSU:
Reboot member devices.
Execute commands that are irrelevant to the ISSU.
Modify, delete, or rename image files.
•
You cannot use both install and issu commands for an ISSU. However, you can use display
issu commands with both command sets. For more information, see
maintaining
•
Before executing the following commands, use the display system stable state command to
verify that the system is stable:
issu commands—issu load, issu run switchover, and issu commit.
install commands—install activate and install deactivate.
If the System State field displays Stable, the system is stable.
•
You may use issu commands to upgrade all or some of the software images. If you are
upgrading only some of the images, make sure the new images are compatible with the images
that are not to be upgraded. The upgrade will fail if a conflict exists.
After an ISSU, you must log in to the device again before you can configure the device.

Adjusting and saving the running configuration

Remove the configured commands that the new software version does not support.
1.
Use the save command to save the running configuration.
2.

Logging in to the device through the console port

Log in to the device through the console port after you finish all the preparation tasks and read all the
ISSU guidelines. If you use Telnet or SSH, you might be disconnected from the device before the
ISSU is completed.

Performing an ISSU by using issu commands

ISSU task list

Choose an ISSU procedure depending on the hardware redundancy status and ISSU method.
Tasks at a glance
Upgrading a multichassis IRF
•
Performing a compatible upgrade
•
Performing an incompatible upgrade
Upgrading a single-chassis IRF
•
Performing a service upgrade or file upgrade
•
Performing a reboot or incompatible upgrade
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