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Posts related to storage on mainframe

How to Allocate a Page Dataset

March 14, 2014

Here’s a simple way to allocate a new Page Dataset via batch job: //DEFPGSPC EXEC PGM=IDCAMS //SYSPRINT DD   SYSOUT=* //SYSIN    DD   * DEFINE PAGESPACE (  - [...]

ADRDSSU – Full Volume Physical Copy

February 3, 2014

The following JCL code allows you to perform a full volume physical copy using the ADRDSSU utility: //STEP1 EXEC PGM=ADRDSSU,REGION=0M //SYSPRINT DD SYSOUT=* //INVOL1 DD [...]

What is a VSAM Volume Data Set (VVDS)?

November 7, 2013

VVDS stands for VSAM Volume Data Set and it’s a VSAM file that contains the information of all VSAM and SMS-managed non-VSAM data sets that reside on the volume where [...]
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