
22 DS8800 Performance Monitoring and Tuning
2011-11-25/12:30:00 R19 1552 6.357 7.828 100 24 7 202
2011-11-25/12:35:00 R19 1611 6.601 8.55 100 4 6 213
2011-11-25/12:40:00 R19 1610 6.596 7.888 50 7 4 198
2011-11-25/12:45:00 R19 1595 6.535 6.401 100 12 7 167
2011-11-25/12:50:00 R19 1586 6.496 8.769 50 5 3 219
The lsperfrescrpt command displays performance statistics for individual ranks, as shown
in Example 1-3 on page 21:
The first three columns show the average number of IOPS, throughput, and average
response time, in milliseconds, for all I/Os on that rank.
The %Hutl column shows the percentage of time that the rank utilization was high ...