'Installed-systems' CLI command isn't available in Management Center during upgrade

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Article ID: 169338

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Updated On:

Products

Management Center

Issue/Introduction

Occasionally, we may find there was no CLI command 'installed-systems' to perform the upgrade in Management Center as given the Upgrade/Downgrade Guide.
https://origin-symwisedownload.symantec.com/resources/webguides/managementcenter/1.8.1.1/ManagementCenter.htm#ConfigurationManagementGuide/9_Troubleshoot/upgrade_downgrade.htm%3FTocPath%3DAdministrate%2520Management%2520Center%7C_____2

Cause

When the failover mode is enabled, the system forbids the attempt to modify system images.

Resolution

The solution is to first disable the failover mode then reconfigure the failover after the upgrade is completed.

Management Center# failover view

Status: Primary*: 10.169.102.53 Secondary: 10.169.100.104 Last status update 3 second(s) ago (*) this Management Center

Management Center# failover disable

Failover:

Status: Primary*: 10.169.102.53 Secondary: 10.169.100.104 Last status update 0 second(s) ago

(*) this Management Center

Warning: Failover data replication is in progress. Disabling failover will stop all replication between primary and secondary nodes. Are you sure you want to disable failover? [y/N] Y

Failover:

Status: Disabled

Management Center# ?

backup Create, view and restore backups disable Turn off privileged commands exit Exit command line interface failover Configure failover settings help (or ?) Display this help http-proxy Configure Explicit HTTP Proxy settings installed-systems Upgrade and manage installed systems <<< license Install and update the Management Center license pcap Packet capturing utility ping Ping utility