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Attribute: The various attributes can vary from different HDD manufacturers�
Value: Value for the currently selected attribute�
Worst: Worst value acquired for that attribute�
Threshold: A predened threshold or triggering value� The threshold below which the normalized
value will be considered exceeding specications�
Raw value: The detected parameters for that attribute�
Status: The judgement made to deem the current reading as
OK or Failed�
Verify:
Three types of check disk actions can be initiated through this button�
Bad block check: Performs read/write test to drive sectors to locate bad blocks� This action
may take several hours to complete�
Fast S�M�A�R�T� test: Tests the electronic and mechanical performance and disk read
performance, including those on disk buffer, read head, seek time and integrity of drive
sectors� The short test is performed on a small section of disk platters, and takes about 2
minutes to complete�
S�M�A�R�T� long test: The long test is more thoroughly and is performed to all drive sectors�
The actual completion time depends on drive sizes and the attributes put to test�
The Check disk functions mentioned above, when performed during active I/Os, can consume
system resources and cause dropped frames with the recording tasks�
Note that disk verify function
requires a volume to be temporarily
disabled; namely, the video
recording will be stopped before
disk verify can be performed�
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