NEC Storage Performance Monitor/Optimizer, User Manual

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Appendix C Report Format of Performance Report Editor
42
(4) Disk director port performance detail report
Chronologically displays port-based statistic information on the disk director port extracted from
the statistic information file. Below is shown a display image (file name:
20010529NECStorage4100_psl_dp.txt).
<< DISK DIRECTOR PORT PERFORMANCE REPORT >>
disk array name NECStorage4100
port no = 00h-00h
date time ---------- iops ---------- ------ trrate(MB/s) ------ ------- av.len(KB) ------- ------ av.resp(ms) ------- w.ratio(%)
total read write total read write total read write total read write
01-05-29 18:17 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
01-05-29 18:22 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
* 01-05-29 18:27 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
01-05-29 18:32 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
: : : : : : : : : : : : : : :
port no = 00h-01h
date time ---------- iops ---------- ------ trrate(MB/s) ------ ------- av.len(KB) ------- ------ av.resp(ms) ------- w.ratio(%)
total read write total read write total read write total read write
01-05-29 18:17 170.32 93.75 76.56 8.06 5.07 2.99 48.45 55.34 40.01 8.26 8.54 7.91 44.95
01-05-29 18:22 267.99 147.42 120.57 12.63 7.92 4.71 48.28 55.03 40.02 8.46 8.56 8.33 44.99
* 01-05-29 18:27 268.41 148.41 120.00 12.86 8.16 4.70 49.06 56.32 40.09 8.26 8.45 8.02 44.71
01-05-29 18:32 264.82 148.90 115.92 12.29 7.77 4.52 47.52 53.44 39.92 8.36 8.38 8.35 43.77
: : : : : : : : : : : : : : :
port no = xxh-xxh
:
:
PERFORMANCE REPORT SUCCESSFUL.
•
Explanation of display items
Display item Explanation
disk array name Nickname of the disk array
port no Number of the disk director port
Leftmost position (configuration
change mark) An asterisk is displayed immediately after change in the disk array
configuration or restart of accumulation of statistic information.
date, time Date and time statistic information was collected
iops Internal I/O density (count/second) in the accumulation period
total: Internal I/O density for all I/O
read: Internal I/O density for read I/O
write: Internal I/O density for write I/O
trrate Internal transfer rate (megabyte/second) in the accumulation period
total: Internal transfer rate for all I/O
read: Internal transfer rate for read I/O
write: Internal transfer rate for write I/O
av.len Internal average transfer length (kilobyte) in the accumulation period
total: Internal average transfer length for all I/O
read: Internal average transfer length for read I/O
write: Internal average transfer length for write I/O
av.resp Internal average response time (millisecond) in the accumulation period
total: Internal average response time for all I/O
read: Internal average response time for read I/O
write: External average response time for write I/O
w.ratio Ratio (percent) of write I/O in the accumulation period