Tech – Mainframe – Page 37

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Display system connectivity of the tape and optical libraries

2nd September 2010 Rui Miguel Feio

If you wish to display which libraries are connected to your system you can use the MVS command: D SMS,LIB(ALL) Example: D SMS,LIB(ALL) RESPONSE=SYST IGD002I 15:10:50 DISPLAY SMS 869 LIBRARY CLASS SYSTEM= 1 TSTATL1 TAPE + ***************************** LEGEND ***************************** . THE LIBRARY IS NOT DEFINED TO THE SYSTEM + THE […]

How to check if a volume is SMS-managed

2nd September 2010 Rui Miguel Feio

One of the ways (and probably the easiest) to check if a volume is SMS-managed is by using the MVS command: D SMS,VOL(volser) Here’s an example: volume: TST001 Command: D SMS,VOL(TST001) The result would be: RESPONSE=SYST IGD002I 09:52:24 DISPLAY SMS 382 VOLUME UNIT SYSTEM= 1 STORGRP NAME TST001 5B22 + […]

Move a dataset that is in Linklist to a different volume

27th August 2009 Rui Miguel Feio

Sometimes we come across the need of moving to a different volume a dataset that is in Linklist. We must remember that moving a dataset does not change the list of datasets defined to the current concatenation in any way – the dataset name remains the same -. The system […]

Linklist update – Why we need to stop LLA and unallocate the LNKLST

26th August 2009 Rui Miguel Feio

A couple of months ago I’ve written a post on how to dynamically update the Linklist but some questions have been risen on why we need to stop the LLA and unallocate the Linklist. Each Linklist dataset has an ENQ from both XCFAS and LLA. An ENQ on a LNKLST […]

Displaying Page Dataset Information

20th August 2009 Rui Miguel Feio

As you may know, Page datasets are defined on the IEASYSxx member of the Parmlib but if you want to avoid the hassle of checking this member or if you would like to obtain more information about them, you can use the following MVS commands to display Page Dataset information: […]