Hard Drive Tests
When AXD Mac OS X tools starts, it performs a hardware existence test. All hard
drives and solid-state drives found during this test can be tested individually using
hard drive tests.
Test
Estimated completion time
Description
Threaded Surface Scan
21 minutes for an 80 GB drive;
3 hours for a 1 TB drive
Scans the entire surface of a
hard drive.
This test is available for hard
drives, not solid-state drives.
Threaded Surface Short Scan
1 minute
Scans the first 10 GB of a
hard drive.
This test is available for hard
drives, not solid-state drives.
Check SMART Status
1 second
Checks the SMART status of a
hard drive.
This test is available for hard
drives, not solid-state drives.
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Appendix
AXD Tools Test Reference
Test
Estimated completion time
Description
Short Random Multi-block
2 minutes
Performs a threaded, random
multi-block read of random
ranges of the target hard drive.
This is not a full surface scan,
but it will cause rapid seeking
and reading of hard drive
blocks. If a block can’t be read,
an error occurs.
This test is available for hard
drives, not solid-state drives.
SSD Threaded Media Scan
Not available
Scan’s the entire accessible area
of a solid-state drive.
This test is available for solid-
state drives, not hard drives.
SSD New Drive SMART Data
Not available
Checks the SMART status of a
solid-state drive.
This test is available for solid-
state drives, not hard drives.