When repeating incremental or differential backups using Oracle Agent, the job intermittently fails with "0xe000fe30 - A communications failure has occurred" in the RMAN Output section of the job log.
When this issue occurs, event ID 57345 is reported with a deadlock message on the media server.
RMAN Output Section
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-03002: failure of backup plus archivelog command at 12/14/2011 12:50:41
ORA-19506: failed to create sequential file, name="BE_qkmu6icv_1_1", parms=""
ORA-27028: skgfqcre: sbtbackup returned error
ORA-19511: Error received from media manager layer, error text:
BEError(0xe000fe30) A communications failure has occurred.
Job Completion Status
Final error: 0xe000846b - The resource could not be backed up because an error occurred while connecting to the Backup Exec for Windows Servers Remote Agent.
Make sure that the correct version of the Remote Agent is installed and running on the target computer. If the server or resource no longer exists, remove it from the selection list. Edit the selection list properties, click the View Selection Details tab, and then remove the resource.
Final error category: Resource Errors
Application Event Log
Event ID: 57345
Source: Backup Exec
This is a timing issue to access to Backup Exec database (BEDB.)
A Low frequency of occurrence is observed with Backup Exec 2010 R3 and Backup Exec 2012.
A hotfix is now available for this issue in the current version(s) of the product(s) mentioned in this article. Refer to the Hotfix link under Related Documents at the end of this article to obtain the hotfix needed to resolve the issue.
Backup Exec Oracle Agent
Oracle RDBMS 10g (Grid) and 11g (Grid)