Symptom: Deadlock Situation - NetBackup

Teradata Extension for NetBackup Administrator Guide

Product
NetBackup
Release Number
16.20
16.10
Published
May 2017
Language
English (United States)
Last Update
2018-05-02
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B035-2400
Product Category
Teradata Tools and Utilities

During a multi-stream restore, the child stream running on one of the non-master media servers might default to using another drive. In the following example, media server bsrv4 should have mounted tape BR5002 and used drive b4-lto3-d1. However, the NBU scheduler used drive b3-lto3-d1 and media server bsrv3, which was busy with a tape already mounted from another stream. This resulted in a deadlock situation.

3/21/2008 7:28:34 AM - 1 images required
3/21/2008 7:28:34 AM - media BR5002 required
3/21/2008 7:28:37 AM - restoring image barlnx1_1205947236
3/21/2008 7:28:42 AM - requesting resource BR5002
3/21/2008 7:28:43 AM - awaiting resource BR5002
	 Reason: Drives are in use., Media Server: bsrv3,
	 Robot Number: 0, Robot Type: TLD, Media ID: N/A, Drive Name: N/A,
	 Volume Pool: N/A, Storage Unit: N/A, Drive Scan Host: N/A
3/21/2008 7:28:52 AM - connected