Cisco Cisco Unified IP Interactive Voice Response (IVR) 8.0(1) 安装指南

Server A is the publisher and no 
subscriber exists in the cluster

Restore

Data since the last backup lost

Calls accepted

Server A is the subscriber and is an 
active server, and no other 
subscriber/publisher exists in the 
cluster

Restore

Data since the last backup lost

Calls accepted

Server A is the subscriber and is an 
active server, and a publisher 
exists in cluster but is not running

Start the publisher and 
perform the recover 
procedure on Server A

Data since the publisher 
server went down lost

Calls accepted

Server A is the subscriber and was 
an active server at some time, and 
Server A goes down while 
replicating data from the publisher

Recover

Partial data loss

Calls accepted

Server A is the subscriber and is an 
active server, and another 
subscriber exists in the cluster

Recover

Partial data loss if Server A 
went down during replication

Calls accepted

Server A is the subscriber but is 
not an active server

Recover

No data loss

Calls accepted

Server A is the only Cisco CRS 
Server in the cluster (there is no 
standby Cisco CRS server) and 
you are running Cisco IPCC 
Express

Restore

No data loss, if there are no 
active datastore components 
on Server A

New calls not accepted and 
existing calls lost

Server A is a Cisco CRS Server, 
there is a standby Cisco CRS 
server in the cluster, and you are 
running Cisco IPCC Express

Recover

No data loss, if there are no 
active datastore components 
on Server A

Calls accepted

1.

The Cisco CRS System will accept calls during the recover or restore procedure if Server A is not the Cisco CRS Server (the 
server on which the Cisco CRS Engine is running) or if there is a standby Cisco CRS Server.