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This report shows the disk device activity statistics and requires SMF 74 records. Both standard and the following keyword parameters are supported:
The variables used to sort for the final report, which can be any combination of VOLSER, SSCH.
Default: SSCH D
Restricts the number of lines of output for each time interval.
Default: 99999999
Filters by volume.
Default: * (an asterisk), which selects all volumes
To create the Disk Device Activity report, use this DISKSTAT code:
LIST OFF %DISKSTAT TOP 30
The following is a sample Disk Device Activity report:
2008/05/17 11:28 CA SYSVIEW Disk Device Activity PAGE 1 From: 2008/03/25 06:23 Each: DAY To: 2008/03/29 09:57 Shift: 00:00 24:00 Interval: 2008/03/25 00:00 VOLSER DEVICE SSCH DEVICE DEVICE DEVICE DEVICE DEVICE DB ID SSCH RATE SERVTIME CONNECT PENDING DISC %BUSY DELAY ------ ---------- ------- -------- -------- -------- -------- ------ -------- DCMQAD 567,973 6.57 1.13 0.65 0.45 0.03 0.75 0.00 DCMQAA 402,651 4.66 1.52 1.21 0.22 0.10 0.71 0.00 MVCA44 309,333 3.58 0.79 0.51 0.25 0.04 0.28 0.00 RTM002 230,613 2.67 2.27 2.00 0.19 0.08 0.61 0.01 DCMQAC 222,787 2.58 1.42 1.16 0.21 0.05 0.37 0.00 LOAN02 191,446 2.22 2.27 2.02 0.21 0.04 0.50 0.00 LOAN04 85,647 0.99 3.43 3.13 0.21 0.09 0.34 0.00 S16DB2 79,565 0.92 1.03 0.70 0.17 0.17 0.10 0.00 DCMQAB 77,257 0.89 1.84 1.56 0.20 0.08 0.16 0.00 MVR14A 74,320 0.86 2.44 1.97 0.39 0.08 0.21 0.05 MVS010 63,606 0.74 1.90 1.60 0.20 0.10 0.14 0.01 SPL44D 44,182 0.51 1.82 0.70 0.27 0.85 0.09 0.00 CTL022 43,367 0.50 1.21 0.43 0.76 0.02 0.06 0.01 RTM001 35,428 0.41 0.53 0.26 0.23 0.04 0.02 0.03 SPL44T 31,546 0.37 1.40 0.91 0.21 0.27 0.05 0.00 NMD031 24,079 0.28 1.09 0.54 0.22 0.33 0.03 0.00 SPL44C 22,031 0.25 1.57 0.84 0.45 0.28 0.04 0.00 CAT036 21,677 0.25 0.57 0.29 0.26 0.03 0.01 0.00 LOAN37 21,616 0.25 5.05 4.75 0.24 0.07 0.13 0.00 DCMSPD 20,955 0.24 0.88 0.65 0.19 0.03 0.02 0.00 SPL44B 19,495 0.23 1.28 0.76 0.26 0.27 0.03 0.00 LOAN05 19,414 0.22 5.91 5.52 0.21 0.17 0.13 0.01 APCM06 19,183 0.22 1.09 0.80 0.24 0.05 0.02 0.01 DCMSPA 18,945 0.22 0.57 0.31 0.24 0.03 0.01 0.00 APCD08 15,756 0.18 2.23 1.95 0.21 0.07 0.04 0.00 LOAN10 12,626 0.15 5.75 5.07 0.64 0.04 0.08 0.00 AUTM04 10,952 0.13 1.60 1.06 0.19 0.34 0.02 0.00 APCM04 10,442 0.12 1.73 0.89 0.18 0.66 0.02 0.00 JESCK5 10,071 0.12 2.16 1.88 0.25 0.03 0.03 0.00 APCM03 9,871 0.11 0.86 0.53 0.20 0.13 0.01 0.00
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