z/OS MVS System Messages, Vol 5 (EDG-GFS)
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ERB262I

z/OS MVS System Messages, Vol 5 (EDG-GFS)
SA38-0672-00

ERB262I
nnnn DEVICES NOT MONITORED BY RMF. INCREASE CMB SYSTEM PARAMETER VALUE.

Explanation

During device report initialization, while RMF™ was assigning channel measurement blocks (CMB) to devices in order to collect channel measurements, RMF used all the slots. No more slots are available for nnnn devices.

System action

RMF continues monitoring all requested devices but cannot collect channel measurements for the devices without CMBs.

System programmer response

For a system running in CMB mode, the system resource management (SRM) did not initialize enough slots. At the next IPL, you can take either of the following actions:
  • Increase the CMB parameter value, for example, CMB=100.
  • Set the CMB parameter value to be the name of the device class to be monitored, for example, CMB=COMM.
For details on the CMB parameter, see the z/OS MVS Initialization and Tuning Reference.

For a system running in ECMB mode, search problem reporting data bases for a fix. If no fix exists, report the problem to the IBM® Support Center.

Source

Resource Measurement Facility™ (RMF)

Routing code

2

Descriptor code

4

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