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CHAPTER 20
Software Upgrade and Recovery
•
Performing a Nonstop Software Upgrade on the QFabric System on page 445
•
Verifying Nonstop Software Upgrade for QFabric Systems on page 450
•
Upgrading Software on a QFabric System on page 470
•
Performing System Backup and Recovery for a QFabric System on page 475
Performing a Nonstop Software Upgrade on the QFabric System
Supported Platforms
QFabric System
NOTE:
Before you can perform a nonstop software upgrade to Junos OS
Release 13.1X50-D10, you must have Junos OS Release 12.2X50-D42 or later
installed. You cannot perform a nonstop software upgrade with Junos OS
Release 12.2X50-D41 or earlier. Contact the Juniper Technical Assistance
Center for information on how to download Junos OS Release 12.2X50-D42.
Performing a standard software upgrade (that is, issuing the
request system
software add component all
command) does not require that you that you
upgrade to an intermediate Junos OS software release.
To perform a nonstop software upgrade to Junos OS Release 13.1X50-D10:
1.
First perform a nonstop software upgrade to Junos OS Release
12.2X50-D42.
2.
Then perform a nonstop software upgrade to Junos OS Release
13.1X50-D10.
Nonstop software upgrade enables you to upgrade a QFabric system with minimal packet
loss and maximum uptime. This feature introduces several high availability improvements
to the QFabric system software upgrade process, including:
•
Upgrading members of a Director group or Node group one at a time so that one device
in the group is always operational
•
Switching mastership of Routing Engine processes to the backup Director device before
upgrading the master Director device
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Copyright © 2015, Juniper Networks, Inc.
Summary of Contents for QFX3000-G QFabric
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