The Service Class I/O Workflow Analysis attribute group monitors service class delays due to specific device I/O activity.
Device Number Number of the device that the service class is currently using. Valid format is an integer in the range 0 through 65535. For situations, the value must be entered in its decimal equivalent. For example, device X'150' should be entered as its decimal equivalent 336.
Device Type Type of device that the service class is currently using. Valid format is a simple text string from 1 through 4 characters; for example, DASD.
I/O Active Percent Percentage of active I/O rate for the service class. This is the percentage of the transaction elapsed time spent actively doing I/O on the subject device. Valid value is a numeric value in the range 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 25.5.
I/O Wait Percent Percentage of I/O wait for the service class. This is the percentage of the transaction elapsed time spent waiting for I/O on the subject device. Valid value is a numeric value in the range 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 25.5.
Level Aggregation at a z/OS image level. Data can be aggregated for an individual z/OS system or for an entire Sysplex. Valid values are:
SYSTEM | To aggregate at a z/OS image level |
SYSPLEX | To aggregate over an entire Sysplex |
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.
Period Service class period number. Valid value is an integer in the range 0 through 8, and can include the use of the *AVG, *MAX, *MIN, or *SUM functions. If the situation is to be at the service class level rather than the period level, use Period = SUM. An example is 1.
Service Class Service class name. Valid format is a simple text string from 1 through 8 characters; for example, STC.
System Name Name of the z/OS system being reported on. Valid format is a simple text string from 1 through 8 characters; for example, SYSA.
Volser Volume serial number of the device that the service class is using. Valid format is a simple text string from 1 through 6 characters; for example, LST004.