CF Systems attributes

The CF Systems attribute group monitors coupling facility CPU and storage demands.

Allocated Storage Amount of storage allocated to the Coupling Facility currently in use. Allocated storage is the total number of 4K pages assigned to the coupling facility. Valid value is an integer in the range of 0 through 2147483647, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 59328.

Asynchronous Request Per Minute Rate of asynchronous operations for this system during this interval period. Valid value is a numeric value to one decimal point precision.

Average Failed Operation Time Average service time for unsuccessful operations. Valid value is an integer in the range of 0 through 2147483647, to one decimal point precision, and can include the use of the *MAX, *MIN, or *SUM functions. An example is 211.

Average Sync Operation Delay Average waiting time for a subchannel to be available for a synchronous operation. Valid value is a number in the range of 0 through 2147483647, to one decimal point precision, and can include the use of the **MAX, *MIN, or *SUM functions. An example is 38.7.

CF Level Coupling facility architected function level. Valid value is an integer in the range of 0 through 2147483647. An example is 3.

CF Name Name of the coupling facility. Valid format is a simple text string from 1 through 8 characters; for example, COUPLER1.

Connected MVS System Count The number of z/OS images connected to the facility. Valid value is an integer in the range of 0 through 2147483647, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 6.

CPU Percent Percentage of CPU utilization by the coupling facility. Valid value is a number in the range of 0.0 through 100.0, to one decimal point precision, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 37.5.

Dump Table in Use Amount (a count of 4K pages) of reserved dump storage in the coupling facility currently holding dumps. This value is not a percentage. Valid value is an integer in the range of 0 through 2147483647, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 0.

Dump Table Size Amount of storage in the coupling facility reserved for dump tables. The size is expressed as a 4K page count. Valid value is an integer in the range of 0 through 2147483647, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 512.

Free Control Space Amount of control storage in the named coupling facility that is not assigned to structures or dump space, given as a 4K page count. Valid value is an integer in the range of 0 through 2147483647, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 4416.

Highest 1 Asynch Request Structure Name of the structure with the highest Asynchronous Requests per Minute count followed by its associated count value. Valid value is a 26 character string.

Highest 2 Asynch Request Structure Name of the structure with the second highest Asynchronous Requests per Minute count followed by its associated count value. Valid value is a 26 character string.

Highest 3 Asynch Request Structure Name of the structure with the third highest Asynchronous Requests per Minute count followed by its associated count value. Valid value is a 26 character string.

Highest 1 Synch Request Structure Name of the structure with the highest Synchronous Requests per Minute count followed by its associated count value. Valid value is a 26 character string.

Highest 2 Synch Request Structure Name of the structure with the second highest Synchronous Requests per Minute count followed by its associated count value. Valid value is a 26 character string.

Highest 3 Synch Request Structure Name of the structure with the third highest Synchronous Requests per Minute followed by its associated count value.

I/Os Per Second Sustained I/O rate (I/O requests per second) by the coupling facility. Valid value is a number in the range of 0 through 2147483647, to one decimal point precision, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 27.6.

Managed System A sysplex in your enterprise that is being monitored by OMEGAMON XE for z/OS agents. Valid value is a character string with a maximum length of 32 bytes, in the format <plexname>:MVS:SYSPLEX.

Maximum Sub Channels Count of subchannels that, if they were available, could be used for operations. Valid value is an integer in the range 0 to 2 billion. Values are rarely above 10. An example is 4.

Percent Converted Percentage of the total requests that were converted from synchronous operations to asynchronous operations for this system during this interval period. Valid value is a percentage with one decimal point precision.

Percent of Total Requests Asynch Percentage of the total requests that were asynchronous operations for this system during this interval period. Valid value is a percentage to one decimal point precision.

Percent of Total Requests Synch Percentage of the total requests that were synchronous operations for this system during this interval period. Valid value is a percentage to one decimal point precision.

Percent Utilized Storage Percentage of storage currently being used. Valid value is a numeric value in the range of 0 through 100, to one decimal point precision, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 63.5.

Status Current status of the facility. Valid values are:

Okay This coupling facility is functioning properly.
Failed This coupling facility has failed.
Reconcile The coupling facility to CFRM policy reconcile process is in progress. When this bit is on, connections to structures in this coupling facility using the IXLCONN macro are not permitted.
Maintmode This coupling facility is in maintenance mode.
PolChg Policy change pending which will delete this coupling facility from the CFRM active policy when all allocated structures are gone from this coupling facility.

Structure Count In Policy Number of structures in the coupling facility that are contained in the current Coupling Facility Resource Management policy. Valid value is an integer in the range of 0 through 2147483647, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 31.

Structure Count Out Policy Number of structures in the coupling facility that cannot be added to the current coupling facility resource management policy. Valid value is an integer in the range of 0 through 2147483647, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 0.

Sub Channels Allocated Count of subchannels that this facility has been allocated. Valid value is an integer in the range 0 to 2 billion. Values are rarely above 10. An example is 4.

Sub Channels In Use Count of subchannels available for use. Valid value is an integer in the range 0 to 2 billion. Values are rarely above 10. An example is 4.

Synchronous Requests Per Minute Rate of synchronous operations for this system during this interval period. Valid value is a number with one decimal point precision.

Synch to Asynch Conversions Per Min Rate of synchronous operations that were converted to asynchronous requests for this system during a one minute period. Valid value is an integer with one decimal point precision.

Total Control Space Total amount of storage in the coupling facility that can be used as control storage. Valid value is an integer in the range of 0 through 2147483647, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 59238.

Total Request Count This Interval Total number of synchronous and asynchronous operations for this system during this interval period.

Volatility Status 1-byte flag representing the volatility state of storage in the LPAR housing the coupling facility. Valid values are:

Volatile Storage in the LPAR housing the coupling facility is volatile.
Not Volatile Storage in the LPAR housing the coupling facility is not volatile.