Hp Array Controller HSG V8.7 Software User Manual download pdf (Page 192)

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4–38 HSG80 User’s Guide

7. If you want to test more than one disk drive, enter the appropriate unit

numbers when prompted. Otherwise, enter “n” to start the test. Use the

control sequences listed in Table 4–14 to control DILX during the test.

Testing the Read and Write Capabilities of a Disk Drive

Run a DILX Basic Function test to test the read and write capability of

a disk drive. During the Basic Function test, DILX runs the following

four tests. (DILX repeats the last three tests until the time that you

specify in step 6 on page 4–40 expires.)

Write test. Writes specific patterns of data to the disk drive (see

Table 4–15 on page 4–39.) DILX does not repeat this test.

Random I/O test. Simulates typical I/O activity by issuing read,

write, access, and erase commands to randomly-chosen logical

block numbers (LBNs). You can set the ratio of these commands as

well as the percentage of read and write data that are compared

throughout this test. This test takes six minutes.

Data-transfer test. Tests throughput by starting at an LBN and

transferring data to the next LBN that has not been written to. This

test takes two minutes.

Seek test. Stimulates head motion on the disk drive by issuing

single-sector erase and access commands. Each I/O uses a different

track on each subsequent transfer. You can set the ratio of access

and erase commands. This test takes two minutes.

Table 4–14 DILX Control Sequences

Command Action

Ctrl/C Terminates the test

Ctrl/G Displays the performance summary for the current

test and continue testing

Ctrl/Y Terminates the test and exits DILX

1 2 ... 187 188 189 190 191 192 193 194 195 196 197 ... 575 576

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Hp Array Controller HSG V8.7 Software User Manual Page 192

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