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Knowledge Base

Low iSCSI initiator edition installed on backup server make NBU backup task fail

Publication Date:  2012-09-21  |   Views:  144  |   Downloads:  0  |   Author:  y00001513  |   Document ID:  EKB1000015529


Issue Description

Backup system is built with NBU6.5; MS iscsi initiator 2.05 is installed on backup server. When iSCSI connect with VTL3605 and start backup task, sometimes backup task success and sometimes backup fail, backup software prompt media write error. 

Alarm Information


Handling Process

1. Uninstall MS iscsi initiator 2.05 and install MS iscsi initiator 2.08.
2. Run backup task again, backup is successful and no error reports.

Root Cause

Compatibility problem exists between NBU6.5, MS iscsi initiator 2.05 and VTL3605. When disk is full, the tape cannot switchover automatically, causing backup task fail.