HP Web Jetadmin Software Instrukcja Użytkownika Pobierz pdf (Strona 26)

Although HP Web Jetadmin supports database mirroring, the behavior of the HP Web Jetadmin

service and connected clients might vary when a failover occurs on the database. The HP Web

Jetadmin service might sometimes stop as Microsoft fails over to the alternate database. When a

failure with the database connection occurs, Microsoft switches the HP Web Jetadmin database

connection to the alternate database and reports the failed database transaction to HP Web Jetadmin

with an exception. Depending on where HP Web Jetadmin accesses the database, the exception

might cause the HP Web Jetadmin service and attached clients to fail.

HP recommends that you configure the HP Web Jetadmin service to automatically restart after an

abnormal termination, such as a failover, so that no manual intervention is required to get the service

back up and running again on the new primary database. The service and clients still fail, but only

temporarily because the service should be up and running again on its own, and the clients can be

restarted.

When a failover occurs, further connection attempts go to the failover partner. If those connection

attempts are successful, the service continues to run. If those connection attempts are not successful,

the service shuts down. When the service is restarted, the service should function normally if the

failover partner node is available. Otherwise waits for a successful database connection before the

service comes up all the way.

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