The CF Structures attribute group to create situations that monitor the request activity from a z/OS image to a coupling facility structure.
Asynchronous Requests Per Minute Rate of asynchronous operations for this structure during the last interval. An asynchronous request is a request where the application does not wait for the request, but waits to be notified of the completion of the request either by an ECB (event control block) post or an entry into an exit routine. An asynchronous request is issued when the request is expected to take significant time to complete. Valid value is numeric and is a real number, with a maximum of 4 digits, to one decimal point precision; for example, 839.2.
AutoAlter Specifies the status of system-initiated alters for this structure. Possible values are:
Yes | Specifies that system-initiated alters (automatic alter) will be allowed for this structure. |
No | Specifies that system-initiated alters (automatic alter) will not be allowed for this structure. |
CF Name Name of the coupling facility where the structure is located. Valid format is a simple text string of 1 through 8 characters; for example, COUPLER1.
CF Preferences Indicates the names in order of preference where the structure would like to be allocated. Valid format is a simple text string of 1 through 35 characters.
Data Area Element Number of data area elements in the cache structure. 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 880.
Data Element Size Size in bytes of data elements in the structure. 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 2048.
Directory Element Ratio Directory-to-element target ratio for cache structures. Valid format is a numeric ratio from 1 through 10 characters; for example, 224:880.
Directory Entry Count Number of directory entries in the cache structure. 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 224.
Dump Contention Count of operations that were queued for dump serialization. Valid value is a numeric value 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 Size in 4K blocks of dump table space used for this structure. Valid value is a numeric value 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 0.
Duplex Indicates the status of duplexing rebuild for this structure. Possible values are:
Disabled | Neither user-managed nor system-managed duplexing rebuild can be started for this structure. |
Allowed | Application can initiate its own user-managed or system-managed duplexing rebuild. z/OS will make no attempt to maintain duplexing status. |
Enabled | The system will initiate and attempt to maintain a user-managed or system-managed duplexing rebuild for this structure. |
Element Count Number of data elements in a cache or queues in a list. 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 880.
Entry Element Ratio Entry-to-element target ratio for list structures. Valid format is a numeric ratio from 1 through 10 characters; for example 193:167.
False Lock Table Entry Contention Count Number of lock requests that encountered contention due to storage constraints. If this number is high, more list table entries should be allocated. 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 4.
First Castout Class Name of the first castout class found in the cache structure. Valid value is an integer in the range of 0 through 32767, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. Castout classes are integers (0, 1, 2, etc.). This attribute lists the first one assigned to this structure, if any. An example is 0.
In Use List Set Entry Count Number of list set entries currently in use in the structure. 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 19.
Last Castout Class Name of the last castout class found in the cache structure. Castout classes are integers (0, 1, 2, etc.). This attribute lists the last one assigned to this structure, if any. An example is 0.
List Set Element Count Number of elements in the list structure currently in use. 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 24.
Lock Table Entry Contention Count Number of lock requests that encountered contention on a lock table entry. 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.
Lock Table Entry Count Number of lock table entries in the list structure. 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.
Managed System A sysplex in your enterprise that is being monitored by Tivoli 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 Data List Entry Size Maximum number of data elements per list entry. 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 10.
Maximum List Set Elements Maximum number of data elements in the list structure. 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 167.
Maximum List Set Entry Count Maximum number of list set entries in the structure. 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 193.
Maximum Structure Size Maximum size of the structure. 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. The value is expressed in 4K pages. An example is 256.
Maximum Users Maximum number of users that may connect to the structure. Valid value is an integer in the range of 0 through 32767, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 64.
Minimum Structure Size Minimum size of the structure. 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. The value is expressed in 4K pages for attribute purposes. The number is scaled to K or Megapages. An example is 128.
Percent CF Storage Size Percentage of the total coupling facility allocated to the structure. Valid value is a numeric value in the range 0.0 through 100.0, to one decimal point precision.
Percent Converted Percentage of total requests for this structure in the last interval that were converted from synchronous to asynchronous requests. Valid value is a numeric value in the range 0.0 through 100.0, to one decimal point precision.
Percent Queued Requests Percentage of total requests for this structure in the last interval that were queued. Valid value is a numeric value in the range 0.0 through 100.0, to one decimal point precision.
Percent Total Requests Asynch Percentage of the total requests that were asynchronous operations for this structure during this interval period. Valid value is a percentage that is expressed to one decimal place.
Percent Total Requests Synch The percentage of the total requests that were synchronous operations for this structure during this interval period. Valid value is a percentage that is expressed to one decimal place.
Problem Users Number of users that are connected to the structure in an exception state. The address space is not in an exception state, but the connection is. 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 2.
Rebuild Percent Percentage of failed weighted connections at which rebuild should be automatically started by the system. Valid values are numeric values in the range 0.0 through 100.0, to one decimal point precision,. An example is 35.5.
Storage Classes Highest storage class used by the structure. Storage classes are in the range 0 to this value. Valid value is an integer in the range 0 through 255.
Storage Size Storage size currently allocated to the structure. 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. The value is expressed in 4K pages for attribute purposes. 128 pages = 512.0 K bytes. An example is 128.
Structure Exclusions Indicates the structure names in order of preference that the structure would like to avoid having allocated in the coupling facility system. Valid format is a simple text string of 1 through 67 characters.
Structure Name Name of the structure. Valid format is a simple text string of 1 through 16 characters; for example, IXCSTR1.
Structure Status Current status of the structure. Valid values are:
Structure Type Type of structure (cache, list or lock).
Synch Asynch Convs Per Min Rate of synchronous operations that were converted to asynchronous requests for this structure during a one minute period. Valid value is a count that is expressed to one decimal place.
Synchronous Requests Per Minute Rate of synchronous operations for this structure during the last interval. A synchronous request is one that is expected to complete so quickly that the requesting application would rather wait for completion than do other work. Valid value is a number in the range of 0 through 2147483647, to one decimal point precision, including the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 9.2.
Total Queued Requests Count of all operations that were queued in the last interval. 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 1389.
Total Request Cnt This Interval Total number of synchronous and asynchronous operations for this structure during this interval period. Valid value is an integer in the range of 0 through 2147483647, to one decimal point precision, including the use of the *AVG, *MAX, *MIN, or *SUM functions. An example is 9.2.
Total Users Total number of users connected to the structure. 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 8.
Utilized Storage Size Percentage of the structure storage actually in use. Value is a numeric value in the range of 0.0 through 100.0, to one decimal point precision.