Siemens SM2 monitoring system manual PCA Controller report SM2 reports, Ctl Dev, #Cach

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 PCA CONTROLLER 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).

	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
-----+		-------	+----		+	--------	+	--------	+--------		+	------	+	--------	+	--------	+	--------

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 which caching 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)

276 U3585-J-Z125-8-76