276 U3585-J-Z125-8-76
PCA CONTROLLER report SM2 reports
PCA CONTROLLER report
This report provides global monitored data on the individual 3419/21 controllers. One line
is output for each controller.
Report output
The REPORT PCA statement is used to request the output of the PCACONTROLLER
report. The report can only be output if the SM2 administrator has activated the monitoring
process using the statement START-MEASUREMENT-PROGRAM TYPE=*PCA.
Overflow screens may also be requested for this report.
The monitored data output is sorted in accordance with the size of the cache (CACHE
SIZE).
Monitoring information
The individual entries have the following meanings:
CTL DEV Mnemonic name of the controller’s CONTROL DEVICE
CACHE SIZE Amount of memory reserved for caching in MB
#CACH Number of caches
#PEND. BLOCKS Number of blocks (2K/4K, depending on the disk format) still to be
relocated to disk
READ (1/S) Total number of read operations to disks for whichcaching is
performed (in I/Os per second)
C-READ (1/S) Total number of read operations to be executed as fast reads
(caching reads) (in I/Os per second)
D017ZE03 SM2 PCA CONTROLLER CYCLE: 60 S 99-03-24 11:11:02
-----+-------+----+--------+--------+--------+------+--------+--------+--------
CTL | CACHE | # | #PEND. | READ | C-READ | READ | WRITE | FAST W.| C-OVER
DEV | SIZE |CACH| BLOCKS | (1/S) | (1/S) |H-R. %| (1/S) | (1/S) | (1/S)
-----+-------+----+--------+--------+--------+------+--------+--------+--------
453F | 128 | 1 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0
9A3F | 80 | 2 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0
A93F | 24 | 2 | 594 | 324.8 | 324.8 |100.0 | 178.0 | 178.0 | 0.0
463F | 10 | 1 | 0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0
-----+-------+----+--------+--------+--------+------+--------+--------+--------