Degraded VTV Recall And Migrate Performance (Doc ID 1015359.1)

Last updated on AUGUST 17, 2016

Applies to:

Sun StorageTek Virtual Tape Control Software (VTCS) - Version: 6.1 and later   [Release: 6.0 and later ]
IBM z/OS on System z
*** Checked for relevance on 18-August-2011 ***

Symptoms

HSC log shows multiple SLS6760I and SLS6761I messages.
Degraded recall and migrate performance.
RECALL process is slow.
MIGRATE process is slow.
RECLAIM process is slow.
Errors received for MVC.
SLS6760I RTD XXXXXX REPORTED INVALID MIR USING MVC XXXXXX
SLS6761I MVC XXXXXX CONTAINS AN INVALID MIR - PROCESSING MAY BE DELAYED

Cause

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