ONTRACK Data Advisor harddrive diagnostic Results--what does this mean?



ONTRACK Data Advisor
V5.00 ENGLISH

Diagnostic Results:
Drive 1 (WDC WD400EB-00CPF0)
SMART Status Check Result: Passed
90-Second Test Result: Passed
File Structure Test Result: Unsupported
Partition 1
Not Checked. Unsupported (or Unknown) Partition
Complete Surface Scan Result: Passed

Drive 2 (SAMSUNG SV1824D)
SMART Status Check Result: Passed
90-Second Test Result: Passed
File Structure Test Result: Failed
Partition 1 (18GB) Result: Invalid media descriptor
Complete Surface Scan Result: Passed

******************************************
Diagnostic Summary:
System Memory Test Result: Passed

Drive 1 (WDC WD400EB-00CPF0)
SMART Status Check Result: Passed
90-Second Test Result: Passed
File Structure Test Result: Unsupported
Complete Surface Scan Result: Passed

Drive 2 (SAMSUNG SV1824D)
SMART Status Check Result: Passed
90-Second Test Result: Passed
File Structure Test Result: Failed
Complete Surface Scan Result: Passed