VTSS DBU Reaches ~95% Before Quickly Dropping To The Defined LAMT (Doc ID 1588385.1)

Last updated on OCTOBER 08, 2014

Applies to:

Sun StorageTek Virtual Tape Control Software (VTCS) - Version 7.0 to 7.2 [Release 7.0]
Sun StorageTek Enterprise Library Software (ELS) - Version 7.0 to 7.2 [Release 7.0]
IBM z/OS on System z

Symptoms

DBU reaches 95%
DBU reaches ~95% before quickly dropping to the low migration threshold (LAMT).
Auto migration is active for an extended period of time but the DBU continues to increase.

Cause

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