Altigen AltiContact Manager Version 5.0A, Руководство администратора

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ACM Redundancy
AltiContact Manager Administration Manual 23-7
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Configuration in Inactive System Is Not Allowed
Either system can be in active or inactive status. General configuration
(except board configuration) upon the inactive system is not allowed. In
ACMAdmin, if the server is inactive, you will see that most menus are
disabled. Only the Redundancy dialog can be shown, and board
configurations can be invoked.
30-Day Limit for Secondary System
As part of the redundancy feature, the secondary system needs to be
connected to the primary system. If the secondary system cannot connect
to the primary system within 30 days, the secondary system will lose
functionality.
Manual Switch Over
In Redundancy Administration, a Manual Switch Over button allows a
user to switch control from the active server to the inactive one. This button
is enabled only when all redundancy-related services of both systems are
running and the inactive server has finished replicating active server's files
(the replication status is “synchronizing”).