As ever, you use this free program at your own risk.
Feel free to use the free software on this site but please honor the copyright.
TESTKSDS is Rexx facilty that can be used as a quick and dirty way of
checking to see if a VSAM KSDS dataset is ready to be re-organized or not.
TESTKSDS lets the user define their own site's threshold criteria for
comparison.
TESTKSDS is not meant to replace the IBM Tivoli offering but it is
free and is a pretty easy to use exec.
TESTKSDS looks at 3 (well 4 really) bits of information and compares the
values of these bits of information to the site values and indicates if the
dataset needs to be reorganized or not.
The information checked is:
- Number of extents the dataset is in.
- Freespace percentage.
- Number of CI and CA splits.
The exec does not actually reorganize the dataset. That is the site's responsibility.
To reorganize a VSAM file please refer to your site data administrator, but basically it involves the following process:
- Export the file.
- Delete the file.
- Redefine the file again.
- Import the file.
Please check with your site to see if any benefit can be gained from reorganizing a KSDS as there are situations (RAID drives, Solid State DASD etc.) where doing so produces little to zero benefit.
TESTKSDS has 2 aliases (REORG & TESTVSAM) these are for historical reasons and can be deleted they are not needed.
To see a demonstration of TESTKSDS can be found on YouTube here.
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Description |
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| This link will take you to a file that contains the z/OS TSO TRANSMIT library containing the TESTKSDS facility. This file should be transferred to the z/OS system using a file transfer program. The file must be transferred as a BINARY file. | |
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Installation Instructions
For installation instructions click the button below.
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