HP StoreEver TapeAssure Software - Manual (Page 47)

System Performance test
The System Performance Test has two modes:
•
The Read Performance Test measures the read performance of the disk file system (simulating
a backup). The Read Performance Test is read only and safe to run on any part of your file
system.
•
The Write Performance Test measures the write performance of the disk file system (simulating
a restore). The Write Performance Test creates data in the specified directory and can also
be used to create test data for general backup testing.
Use these tests in conjunction with the Drive Performance Test to identify any system bottlenecks.
Performing the System Performance Write Performance Test
NOTE: In the following procedure, a suggested starting value is given for most parameters. These
are not necessarily default values, but they are general values that will result in a simple,
representative test. Use them as a starting point, and modify them according to your needs.
1. Click System Performance Test on the bottom of the left navigation pane of the main WebGUI
window. The System Performance screen opens.
2. Click Write Performance Test.
3. Specify the following parameters:
•
Test Path — Enter the destination directory to which the test will write data. This should
be a directory on the backup server being tested. Make sure that the path is on the restore
destination disk to measure the real data rate. Use a directory name that you can find
easily such as C:\Test so that you can easily delete the data later.
•
Test Data Type — Select the type of data pattern to be written. Choose from the
following options:
◦ Fixed Byte
◦ Incrementing
◦ Random
◦ Uncompressible Data
◦ 2:1 Compression Ratio (suggested starting value)
◦ 3:1 Compression Ratio
◦ 4:1 Compression Ratio
•
File Size — Specify a range of possible file sizes for the test data (suggested starting
value is to use the default value).
•
File Tree Depth — Specify the number of levels of subdirectories the program will
create from the specified directory (suggested starting value is 5).
•
File Tree Breadth — Specify the number of directories to be created within each
subdirectory (suggested starting value is 5).
•
Files Per Directory — Specify the number of files to be created within each
subdirectory (suggested starting value is 50).
Performance tests 47