VSM - What Is The MIH Value For VTDs?

Asset ID:	1-71-1013760.1
Update Date:	2017-11-28
Keywords:

Solution Type Technical Instruction Sure

Solution 1013760.1 : VSM - What Is The MIH Value For VTDs?

Related Items


Sun StorageTek Virtual Tape Control Software (VTCS)
 Sun StorageTek Enterprise Library Software (ELS)
 Sun StorageTek VSM System

Related Categories


PLA-Support>Sun Systems>TAPE>Library Software>SN-TP: MAINSW VTCS

PreviouslyPublishedAs
219586

Applies to:

Sun StorageTek Virtual Tape Control Software (VTCS) - Version 6.2 and later
Sun StorageTek Enterprise Library Software (ELS) - Version 7.0 and later
Sun StorageTek VSM System - Version 4 and later
IBM z/OS on System z

Goal

What is the MIH (Missing Interrupt Handler) value for VTDs?

Solution

1. For VTDs -

The MIH value should be set for 20 minutes.

Command to display current value is:

D IOS,MIH,DEV=xxxx where xxxx is VTD address.

Command to set the value is:

SET IOS,MIH TIME=20:00,DEV=(xxxx-xxxx)

2. For RTDs -

There is no need to set the MIH for RTDs.
If the RTDs are shared with MVS, then the MIH value for the specific drive type should be used. For example, 9840 = 50 minutes, 9940 = 180 minutes.

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