Last updated on JULY 27, 2017
Applies to:Sun StorageTek VSM System - Version 4 to 5C [Release 4.0 to 5.0]
StorageTek Virtual Storage Manager System 6 (VSM6) - Version All Versions to All Versions [Release All Releases]
Sun StorageTek VSM5 System
IBM z/OS on System z
The following z/OS host informational messages may be issued during periods of high VTD (virtual tape drive) activity on the VTSS or other circumstances:
IOS071I xxxx,xx,SLS0, MISSING CHANNEL AND DEVICE END
IOS071I xxxx,**,xxxxxxxx, START PENDING
SLS6698I ECAM I/O error on VTD xxxx
Note: SLS messages are issued by VTCS software.
Verify the MIH, missing interrupt handler, is set to 20:00 minutes or more. Issue this host system command:
D IOS MIH, DEV=(xxxx)
-where xxxx is the tape drive address.
If this MIH setting is 20:00 or more, then investigate further.
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