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Related Topics and Dependencies
Configuring NTP
For proper functionality of the redundant EMS, it is imperative that both EMS systems have the exact same time. To achieve this, NTP must be configured on both EMS systems.
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On the primary EMS system, install the EMS software as per Software Upgrade - EMS System
Wait for the primary EMS system to be fully installed. During the installation, the secondary EMS should become active.
On the secondary EMS system, install the EMS software as per Software Upgrade - EMS System
During the installation of the EMS on the secondary system, the primary EMS should become active.
Once both EMS systems have been upgraded, then upgrade each IMG 2020 as per Software Upgrade - EMS System. Refer to Transfer New System Software to Download Location and Install the New Software into Each Node sections.
Note: When upgrading the EMS, the EMSRedund.conf file is preserved. The EMS should start in the same mode as previously configured.
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