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Cisco Customer Response Solutions Administration Guide, Release 4.1(1)
Chapter 9 Managing the Cisco CRS Datastores
About the CRS Datastore
3. Publisher
A datastore can only move up or down the line of roles one step at a time. For
example, a publisher cannot be deactivated, so you first need to change the
publisher to a subscriber and then deactivate the subscriber.
Also note that, while CRS administrators can configure a publisher, they cannot
configure a subscriber. Subscribers are managed automatically by CRS; the event
that triggers a datastore to play the role of a subscriber is the datastore component
activation.
You use the CRS Datastore Control Center to manage and monitor these agents.
Inactive Retention Period
By default, a subscriber is dropped from the publisher during a merge replication
if the subscriber did not synchronize with the publisher within the retention period
of two or four days. If a subscriber is dropped under these circumstances, use the
CRS Datastore Control Center to prevent data loss.
Note The retention period is two days on a 18GB-30GB hard disk space system, and 4
days on a system with more than 30GB hard disk space.
When the publisher goes down for more than the 2- or 4-day retention period,
change the publisher to the subscriber so the new data written to the subscriber
(while the publisher was down) is picked up.
When the subscriber goes down for more than the 2- or 4-day retention period,
reinitialize the subscriber by checking the subscriber activation. If the subscriber
is dropped and then called back in to service, then the subscriber is automatically)
reinitialized.
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