Verifying A Unified Issu - Juniper EX9200 Features Manual

High Availability Feature Guide for EX9200 Switches
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Verifying a Unified ISSU

Purpose
Action
Meaning
214
NOTE: The root file system is backed up to
up to
/altconfig
you cannot easily return to the previous version of the software, because
the device flash and hard disks are identical. To return to the previous
version of the software, you must boot the device from removable media.
{master}
user@host> request system snapshot
user@host> request routing-engine login re1
{backup}
user@host> request system snapshot
Getting Started with Unified In-Service Software Upgrade on page 159
Understanding the Unified ISSU Process
Unified ISSU System Requirements on page 161
Best Practices for Performing a Unified ISSU on page 183
Verifying a Unified ISSU on page 214
Troubleshooting Unified ISSU Problems on page 227
Managing and Tracing BFD Sessions During Unified ISSU Procedures on page 215
Verify the status of FPCs and their corresponding PICs after the most recent unified ISSU.
Issue the show chassis in-service-upgrade
user@host> show chassis in-service-upgrade
Item Status
FPC 0 Online
FPC 1 Online
FPC 2 Online
PIC 0 Online
PIC 1 Online
FPC 3 Offline
FPC 4 Online
PIC 1 Online
FPC 5 Online
PIC 0 Online
FPC 6 Online
PIC 3 Online
FPC 7 Online
Display the unified ISSU process messages by using the
See show chassis in-service-upgrade for more information.
. After you issue the
request system snapshot
command on the master Routing Engine.
Reason
Offlined by CLI command
show log messages
Copyright © 2017, Juniper Networks, Inc.
/altroot , and /config is backed
command,
command.