Tech – Mainframe

Posts related to the mainframe world

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Glossary

Link Pack Area (LPA)

4th September 2010 Rui Miguel Feio
It’s a common Virtual Storage Area. It’s non-getmainable. It’s built at IPL time by loading Load modules contained in SYS1.LPALIB and its concatenations. There are 2 LPAs: one above “the line” (16MB) and the other below depending on the residence mode of the load module. Because the Load modules are […]
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Storage

Display all Storage Groups

3rd September 2010 Rui Miguel Feio
To display all the Storage Groups of the currently active SMS configuration, we use the command: D SMS,SG(ALL) Example: D SMS,SG(ALL) IGD002I 15:24:57 DISPLAY SMS 749 STORGRP  TYPE    SYSTEM= 1 SGTSTVL  POOL            + SGDB2VL  POOL            + DUMMY    DUMMY           . SGOVRFL  POOL            * SGTAPE   TAPE            + ***************************** LEGEND ***************************** . THE […]
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Storage

Display the status of a storage group

2nd September 2010 Rui Miguel Feio
If you come across the need to check the status of a storage group then you can use the MVS command: D SMS,SG(storage_group) For example: storage group name:  STGTSTVL RESPONSE=SYST IGD002I 15:17:43 DISPLAY SMS 939 STORGRP  TYPE    SYSTEM= 1 SGTSTVL  POOL            + ***************************** LEGEND ***************************** . THE STORAGE GROUP OR […]