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This report shows statistics for individual channel path and logical control unit combinations. It is broken down by LCU identifier and channel path identifier. DCM channels are included. The data is summarized over all intervals in the input data, EXTDATA type R78C.
The fields in the report are as follows:
Logical control unit identifier.
Identifier of the first control unit attached to this LCU.
Channel path identifier.
Channel path attributes, which can be PF (if the path is preferred), NP (if the path is not preferred), or DCM if the path is managed by DCM.
Average rate of I/O requests going through the channel path.
Average percentage of requests deferred due to the director port and control unit being busy.
Average delay (in miliseconds) caused by the control unit being busy.
Average initial command-response-time delay (in milliseconds) between the first I/O function started and the first response from the device.
1 2/20/08 I/O QUEUING - CHANNEL PATHS REPORT PAGE 22 REPORT ID: EZXT0349 SYSPLEX: UTCPLXJ8 SOURCE : SMF 78-3 SYSTEM: J80 FROM DATE: 06/07/24 FROM TIME: 11:30:00 TO DATE: 06/07/24 TO TIME: 12:00:00 - LCU 1ST CU PATH PATH CHAN PATH PCT PD PCT CU AVG CUB AVG CMR ID ID ID ATTR TAKEN BUSY BUSY DELAY DELAY 00022 1C00 53 .019 .00 .00 .00 .12 0022 1C00 55 .016 .00 .00 .00 .13 0022 1C00 .035 .00 .00 .00 .13 00023 1D00 52 .019 .00 .00 .00 .12 0023 1D00 54 .015 .00 .00 .00 .13 0023 1D00 .035 .00 .00 .00 .12 00024 1E00 53 .018 .00 .00 .00 .14 0024 1E00 55 .017 .00 .00 .00 .12 0024 1E00 .035 .00 .00 .00 .13 00025 1F00 52 .015 .00 .00 .00 .13 0025 1F00 53 .020 .00 .00 .00 .12 0025 1F00 .035 .00 .00 .00 .12 00026 2000 4A 7.479 .00 .00 .00 .17 0026 2000 4B 6.773 .00 .00 .00 .17 0026 2000 4C .080 .00 .00 .00 .17 0026 2000 4D 7.271 .00 .00 .00 .17 0026 2000 4E 8.187 .00 .00 .00 .15 0026 2000 4F 6.506 .00 .00 .00 .16 0026 2000 50 1.231 .00 .00 .00 .16 0026 2000 51 6.627 .00 .00 .00 .17 0026 2000 44.158 .00 .00 .00 .16 00027 2100 17 DCM 10.665 .65 .00 .00 .00 0027 2100 18 10.409 3.66 .00 .00 .00 0027 2100 27 10.791 .58 .00 .00 .00 0027 2100 2F DCM 10.795 .68 .00 .00 .00 0027 2100 32 DCM 10.779 .00 .00 .00 .00 0027 2100 3C 10.645 .68 .00 .00 .00 0027 2100 64.087 1.04 .00 .00 .00 00028 2200 4A 4.224 .00 .00 .00 .20 0028 2200 4B 3.788 .00 .00 .00 .21 0028 2200 4C .039 .00 .00 .00 .19 0028 2200 4D 4.100 .00 .00 .00 .21 0028 2200 4E 4.726 .00 .00 .00 .19 0028 2200 4F 3.729 .00 .00 .00 .20 0028 2200 50 .734 .00 .00 .00 .20 0028 2200 51 3.700 .00 .00 .00 .20 0028 2200 25.043 .00 .00 .00 .20 00029 2300 4A 7.994 .00 .00 .00 .17 0029 2300 4B 7.312 .00 .00 .00 .18 0029 2300 4C .098 .00 .00 .00 .17
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