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JunosE 11.3.x Service Availability Configuration Guide
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Monitoring the Status of the Router During Unified ISSU
Purpose
Action
144
Synchronize the NVS file system of the redundant module with that of the primary
3.
module.
host1#synchronize
The redundant SRP module automatically reboots because the software release that
it is configured to run now differs from the software release it is running.
Unified ISSU Phases Overview on page 107
Halt of Unified ISSU During Upgrade Phase Overview on page 143
disable-autosync
boot system
synchronize
Display information about the current status of the router relative to a unified in-service
software upgrade and of the upgrade itself.
To display the current unified ISSU state and identify the active and armed releases in
brief:
host1#show issu brief
ISSU state:
initializing
ISSU description: ISSU initialize is in-progress, 5% complete
criteria met:
No, upgrade error(s) found
running release:
release1.rel
armed release:
release2.rel
To the information displayed by show issu brief, the show issu command adds a summary
table of unified ISSU verification criteria:
host1# show issu
ISSU state:
idle
ISSU description: ISSU is currently idle
criteria met:
No, upgrade error(s) found
running release:
release1.rel
armed release:
release2.rel
#
ISSU Activation Criteria Summary
--
-----------------------------------------------------
1
In-Service Software Upgrade ready?
2
High-Availability ready?
3
Line modules ready?
4
Configuration conversion support ready?
5
CLI sessions ready?
6
Routing applications ready?
7
Protocol timers ready?
To the information displayed by show issu, the show issu detail command adds a detailed
table of unified ISSU verification criteria that lists mandatory and conditional criteria that
have not been met, the impact of this status, and the remedy as reported by router
applications and system components that participate in the in-service software upgrade:
Met
-----------
Yes
No
Conditional
Yes
Yes
Yes
Yes
Copyright © 2010, Juniper Networks, Inc.
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