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Coupling facility selection parameters for RRS

NOTICE

IBM intends to sunset the CFSizer web application in 4Q26. Its function has been incorporated into the z/OSMF Sysplex Management service’s CFRM Policy Editor beginning at z/OS V2R5, and as part of that platform the sizing function is both formally supported and more robust. IBM recommends that all CFSizer users transition to using z/OSMF for workload-based structure sizing. A discussion of the z/OSMF structure sizing support as well as documentation can be found at the following links:

Note: The sunset of the CFSizer web application will not impact the availability of the SIZER utility.

To size an RRS coupling facility structure, click the product checkbox and provide the requested input data. CFSizer pre-fills input data fields with default values. These defaults are based on recommendations from IBM product groups and might not be reflective of your environment. Modify the defaults if necessary and then click the Submit button to size this structure.

	Log stream	Writes per sec
RRS Log structure
RRS Log structure help
	MAIN.UR
	DELAYED.UR
	ARCHIVE
	RM.DATA
	RESTART
	RM.METADATA

[{"Product":{"code":"SWG90","label":"z\/OS"},"Business Unit":{"code":"BU070","label":"IBM Infrastructure"},"Component":"CFSizer","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"Not Applicable","Edition":"","Line of Business":{"code":"LOB56","label":"Z HW"}}]

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