Blackberry Mobile Voice System 5.0 Manual Perencanaan - Halaman 16

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Planning Guide

You cannot configure high availability for the MVS Console because you can install only one MVS Console in a

BlackBerry Domain.

To manage your organization's users, if the computer that you installed the MVS Console on stops responding, you

should determine why the MVS Console stopped responding. Alternatively, you can install another MVS Console

instance and connect it to the active and standby MVS Session Manager instances.

Support for BlackBerry Enterprise Server failover

The BlackBerry® Mobile Voice System supports BlackBerry® Enterprise Server failover. If any of your organization's

users are on BlackBerry MVS calls when the active BlackBerry Enterprise Server stops responding, the calls remain

active, but the users cannot use the features that are typically available to them during a call. The users also cannot

send or receive a second call. While the active BlackBerry Enterprise Server fails over, the users cannot send or receive

any BlackBerry MVS calls until the failover process completes.

Support for PBX failover

The BlackBerry® Mobile Voice System does not support PBX failover. If any of your organization's users are on

BlackBerry MVS calls when the active PBX stops responding, the calls remain active until the BlackBerry device stops

receiving registration messages from the PBX. The users cannot send or receive any new BlackBerry MVS calls until

the PBX is active again or until you associate the affected telephony connector with the standby PBX.

How the BlackBerry MVS determines the health of MVS

Session Manager instances

The MVS Console determines the health of the MVS Session Manager instances by monitoring its connection to the

MVS Session Manager instances. If the active MVS Session Manager sends a network ping to the MVS Console at

regular intervals, the MVS Console keeps the MVS Session Manager active. If the active MVS Session Manager does

not send a network ping to the MVS Console every 60 seconds, the MVS Console promotes the standby MVS Session

Manager to be the active MVS Session Manager.

Conditions for failover to a standby MVS Session Manager

Failover from the active MVS Session Manager to the standby MVS Session Manager occurs when the MVS Console

stops receiving network pings from the active MVS Session Manager for 1 minute. If the MVS Console continues to

receive network pings from the standby MVS Session Manager, the MVS Console starts the failover process.

Support for BlackBerry Enterprise Server failover