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Couple Data Sets Best Practices and Avoiding Disasters



Document Author:
Additional Author(s):

Riaz Ahmad
Nicole M. Fagen


Document ID:

WP102281


Doc. Organization:

Advanced Technical Sales


Document Revised:

07/15/2013


Product(s) covered:

z/OS







Abstract: Couple Data Sets (CDSes) are the cornerstone of Sysplex. Careful planning is required to ensure CDSes are always available, never corrupted and never misused such that they trigger a high-impact failure scenario. This paper documents the best practices for CDSes. The paper also documents known field reported issues associated with CDSes. System programmers can use the paper to update enterprise processes to best practice and avoid disasters through increased understanding of CDS handling.

Couple Datasets.pdfCouple Datasets.pdf



Classification:

Software

Category:

Installation and Migration




Platform(s):

IBM System z Family

S/W Pillar(s):

IBM System z Software

O/S:

MVS; z/OS

Keywords:

CDS, Couple Data Sets, z/OS, MVS, Mirroring, Primary, Alternate, XCF, LOGR, Sysplex

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