Hp Library and Tape Tools Manual do Utilizador descarregar pdf (Página 102)

Figure 40 Backup Performance Test tab of the System Performance screen

3. Specify the following parameters:

• Read Size—Enter the maximum block size (in bytes) to transfer (suggested starting

value is 512K).

• Directory Traverse Method—Specify one of the following options (suggested

starting value is depth):

◦ Specify Depth to have the test read as far down the directory structure as possible

before moving laterally to the next directory.

◦ Specify Breadth to read all directories at the same level before moving down to

the next subdirectory level.

• Stop After — Specify a time limit for the test, or select “All Readers Complete” to

continue testing until the test is complete (suggested starting value is 5 minutes).

• Reader [1-4] — Enter up to four target directories from which the test will read data.

For each reader, you must have first performed a Restore Performance Test. Use the same

directory or directories that you specified in the Restore Performance Tests.

The number of readers to use depends on your backup application. If the application

uses concurrent read streams, then select multiple readers. To guarantee an accurate

102 Tests

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Hp Library and Tape Tools Manual do Utilizador Página 102