Amcrest General 720P(V2) Mini 1U Series User Manual page 60

Means there is an error. – means there is no HDD. If the disk is damaged, the system shows as "?".
Please remove the broken hard disk before you add a new one.
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Type: The corresponding HDD properties.
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Total space: The HDD total capacity.
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Free space: The HDD free capacity.
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Status: HDD is working properly or not.
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SMART: Display HDD SMART status. See Figure 4-28.
Double click one HDD and you can see the HDD SMART information. See Figure 4-29.
Figure 4-28
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