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BMC AMI Ops Monitor for CMF similarities with IBM RMF

BMC AMI Ops Monitor for CMF has many similarities with RMF, and some differences. This topic presents the compatibility issues of CMF and RMF.

Similarities

  • CMF produces SMF type 7x series records that are compatible with the latest release of RMF running on the IBM z/OS level where data is being extracted. You can use CMF records with the RMF postprocessor, or you can use the CMF Analyzer to process RMF-created records and produce reports.
  • CMF provides APIs (application programming interfaces) to integrate CMF data with other vendor products or user-written applications. CMF APIs allow you to retrieve the same data from CMF as is available through RMF APIs.

Related topics

Overview-of-BMC-AMI-Ops-Monitor-for-CMF

DEVICE-Extractor-control-statements


Differences

CMF can start and stop I/O monitoring of devices other than tape and DASD. When this feature is activated, CMF makes sure that RMF control of the channel measurement blocks for nontape and non-DASD devices is maintained. RMF assumes that it has exclusive use of all nontape and non-DASD CMBs. CMF does not perform start or stop I/O monitoring of this kind if RMF is active and sampling nontape and non-DASD device classes.

Important

CMF device monitoring is controlled by the CLASS parameter of the Extractor DEVICE control statement. If SMF type 74 records that are compatible with those produced by RMF are desired, CLASS should be the only parameter used.

Functions that are unavailable in RMF

CMF provides the following Extractor functions that RMF does not have:

  • To reduce overhead, you can define individual sampling intervals for each sampler that is not event driven.
  • Through its Extractor utilities, CMF allows you to browse SYS1.MANx data sets online without switching SMF recording to another data set before gaining access to view this data. For more information about Extractor utilities, see Using.
  • CMF can run two Extractors from one monitor, one in CPM mode and one in IPM mode. RMF can run only one Extractor.

 

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