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Knowledge Base

Netbackup7.1 backup Informix11.10.FC2 fail cause assert failure

Publication Date:  2012-10-01  |   Views:  249  |   Downloads:  2  |   Author:  c00509475  |   Document ID:  EKB1000016653

Contents

Issue Description

Product: Symantec Netbackup 7.1, Informix11.10.FC2, Related project: VTL. OS: SUSE10 SP1
System topology: Centralized data backup classic LAN free & LAN base. Network element include NBU master server, NBU media server, NBU client: Storage VTL6000, GE switch and FC switch.
Failure Symptom:  After get NBU backup configure ready, use NBU backup software onbar to configure the backup policy. When there is a backup failure because network error or other reason, informix Onbar will stop the backup, then onbar abort process will cause database assert failure, database will crushed right away, and service will be impacted.

Alarm Information

Alarm infor: database Infxbsa log, Online log, NBU client bar_act.log, network management alarm for database crush.

Handling Process

Handing process
Solution one: Upgrade to informix 11.50
Solution two: Use informix ontape to do the backup. NBU call ontape backup database to local disk as file, then backup this file to VTL. ontape can do incre backup and full  backup.

Root Cause

Reason: http://www-01.ibm.com/support/docview.wss?uid=swg1IC59696
IBM informix11.10.FC2 has this bug.

Suggestions

Before sale a solution, must verify this solution in all kinds of way, include error injection and error handing. Integrate solution which cross department and products, must do the combine test and distribute formal documents to support the sales and service.