Toshiba TECRA S1 - Manual (Page 111)

3.7 Storage 3 Diagnostic Programs
TECRA S1Maintenance Manual 37
(1) Read & Write –Write data on the disk, then read it out and
compare the two value;
(2) Read Verify —Read data only;
(3) Unprotected Write—Write data on the disk without backup
original data.
Option—Select sequential test or random test
2. Sequential/Random Seek
The test item is to check the correctness of the HDD’s sector seeking function.
This test item involves the following parameters:
LBA Start, LBA End-- specify start and finish byte in LBA(Large
Block Address);
Retry-- Specify the maximum retrying times whether the operation
fails;
Option-- Select sequential test or random test;
Percent-- Specify the coverage rate in percentage of the total disk.
3. Performance
Check the HDD’s seeking speed and transferring the data rate.
This test item involves the following parameter: