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BCP_XCF/XES

Showing 36

Override CFRM preference list on the SETXCF START command

Whenever there is the need of reallocating structures over the CFs available on a Sysplex the command SETXCF START,REBUILD,STRNAME is used. This command if used with the option LOC=OTHER will honor the CFRM preference list on the active policy. Th...
5 months ago in z/OS / BCP_XCF/XES 0 Future consideration

Structure-level control of CF CPU utilization

As discussed in PMR, we had a high consumption problem of a WMQ structure in a CF impacting other users of the CF. Consumption CF reached 90%, and the consumption of structure in question has reached 80% of CF.We need a way to control the use of t...
over 7 years ago in z/OS / BCP_XCF/XES 1 Future consideration

Set a Preference List for Monitoring System of a Coupling Facility

We think it is important to set which system will be responsable for monitoring full threshold of a specificCoupling Facility. In environments with GDPS, Ksys should have no product running unless GDPS own, on the recommendationthe GDPS, to not ha...
over 7 years ago in z/OS / BCP_XCF/XES 0 Future consideration

XCF_CF_STR_NONVOLATILE should have customizable STR-exclusion list

The health check XCF_CF_STR_NONVOLATILE should be customizable in a way that you can specify a list of structure names that should be excluded from the check.
over 7 years ago in z/OS / BCP_XCF/XES 0 Future consideration

Possibility to choose the systems to make the XCF Rebuild Copy Process

We think it is important to have the option to choose the systems that will do the system managed rebuild of CF structures by defining a preference list, for example.We had a case where we verified that the system that was doing the copy was a GDP...
over 5 years ago in z/OS / BCP_XCF/XES 0 Future consideration

Prevent sysplex outage in case of a loss of x-site DASD conn. affecting CFRM CDS's and x-site signaling conn. is maintained

When a system at site 2 first notices a loss of a CDS (primary, since that CDS is usually at site 1), it will broadcast a signal to other systems to initiate removal of the primary. The site 1 systems will dutifully do so but since all connectivit...
about 2 years ago in z/OS / BCP_XCF/XES 1 Future consideration

XCF CDS defined for a specific system(s)

Submitting a request to have XCF define a generally-applicable interface by which installations could define in the COUPLExx parmlib member what systems they want to use which CDS types. With that interface, we could recognize at add-function time...
about 2 years ago in z/OS / BCP_XCF/XES 0 Future consideration

SETXCF REALLOCATE with CF storage release delay

SETXCF REALLOCATE processing should be enhanced to handle temporary storage delay when CF performing structure space cleanup.
about 4 years ago in z/OS / BCP_XCF/XES 0 Future consideration

REALLOCATE executed on System with LOSSCONN to CF and failed

After a loss of connectivity for 2 out of 14 z/OS images to a CF, the client put the problem CF in MAINTMODE and did a SETXCF REALLOCATE to clear the structures to do hardware recovery. The REALLOCATE process shifted to one of the 2 z/OS images th...
about 4 years ago in z/OS / BCP_XCF/XES 0 Future consideration

Improved CF Task and z/OS Subchannel Queue Management

Today, queueing based on subchannel availability is all-or-nothing, for all structures, and any one CF structure can consume 100% of the available subchannels during a spike, causing queueing and delays for all CF structures•APAR OA41203 does not ...
over 6 years ago in z/OS / BCP_XCF/XES 0 Future consideration

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