VTCS Is Looping On MVC Mounted Messages And Issuing SLS6643I Repeatedly

(Doc ID 1908757.1)

Last updated on AUGUST 17, 2016

Applies to:

Sun StorageTek Virtual Tape Control Software (VTCS) - Version 7.1 to 7.2 [Release 7.0]
Sun StorageTek Enterprise Library Software (ELS) - Version 7.1 to 7.2 [Release 7.0]
IBM z/OS on System z

Symptoms

VTCS MVC mounts looping on the same MVC

Repeated SLS6643I mount messages when VTVs are recalled from the same MVC using shared RTDs.

04.56.51 STC03881  ,SLS6643I MVC FRO041 mounted on drive 37CT3
04.56.52 STC03881  ,SLS6643I MVC FRO041 mounted on drive 37CT4
04.56.53 STC03881  ,SLS6643I MVC FRO041 mounted on drive 37CT3
04.56.54 STC03881  ,SLS6643I MVC FRO041 mounted on drive 37CT4
04.56.55 STC03881  ,SLS6643I MVC FRO041 mounted on drive 37CT3
04.56.56 STC03881  ,SLS6643I MVC FRO041 mounted on drive 37CT4
04.56.57 STC03881  ,SLS6643I MVC FRO041 mounted on drive 37CT3
04.56.58 STC03881  ,SLS6643I MVC FRO041 mounted on drive 37CT4

Two or more VTSSes that are sharing RTDs.

Changes

Installed current maintenance, including L1H181R (7.1) or L1H181S (7.2).

Cause

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