IMS interaction with the operating system monitors
Monitor name | Description | View name |
|---|---|---|
CSAFR | CSA fragmentation This monitor reports CSA fragmentation and issues a warning when a block of storage of threshold bytes could not be allocated in CSA subpool 241. The threshold should be set equal to the increment specified for PI pool expansion. | None |
CSAUT | CSA utilization This monitor reports the percentage of CSA storage utilization during the sampling period. | ICSAUT |
DLIO | DL/I EXCP count by ddname This monitor reports the number of successful EXCPs for DL/I data sets allocated to the DLISAS region during the sampling period by ddname. Depending on the parameters specified with the monitor, the reported value is the total EXCPs for all data sets allocated to the IMS DLISAS region, a group of data sets, or a single data set. | IDLIO |
DPAGE | Demand paging by region This monitor reports the number of demand page-ins by region during the sampling period. Depending on the parameters specified with the monitor, the reported value is the total demand page-ins for the system or demand page-ins for one IMS region. | IDPAGE |
ECSAU | Extended CSA utilization This monitor reports the percentage of extended CSA storage utilization during the sampling period. | IECSAU |
PAGE | Paging by region This monitor reports the number of private area, VIO, and swap page-ins and page-outs during the sampling period. Depending on the parameters specified with the monitor, the reported value is the total paging for the system or paging for one IMS region. | IPAGE |
SYSIO | EXCP count by ddname This monitor reports the number of successful EXCPs for data sets allocated to the IMS control region by ddname. Depending on the parameters specified with the monitor, the reported value is the total EXCPs for all data sets allocated to the IMS control region or the EXCPs for one data set or a group of data sets. | ISYSIO |