HDD Scan is actually a check tool for your disk. It will scan only the surface,
but the information gathered may be very useful.
When launched, the application automatically detects all the hard disks installed on your computer & even USB keys. The commands that can be run for any storage unit on your computer are versification of the disk, checking the reading speed & erase speed.
These commands can be executed on the whole hard disk or on specific user defined blocks by basically typing in the beginning of LBA (logical block addressing) & an finish location. On the vertical axis the speed reached by the tool is represented while on the horizontal there is the LBA (logical block address).The user can also specify the block size for faster processing of the whole disk. A map of the whole processed disk is displayed in the lower part of the interface. In the right hand HDD Scan shows the number of sectors processed & their speed. These are color coded according to the time it takes to method (from 500ms). Bad sectors on the disk are also displayed.
Cautious with the erase option as it will delete all the files in the coursework of the check. With USB keys you will be prompted to format them in order to make use of immediately after re-injecting them in to the computer.
The application is known to support IDE/SATA/SCSI hard disk drives, RAID arrays, flash cards, outside hard disks (USB & Firewire). The S.M.A.R.T. attributes include RAW Read Error Rate, Spin Up Time, Start/Stop Count, Reallocation Sector Count, Seek Error Rate, PowerOn Hours Count, Spin Retry, Recalibration Retries, Tool Power Cycle, HDA Temperature, UltraDMA CRC Error Count, Write Error Count, etc. In case you know what these are you can take all the precautions before a catastrophe happens.
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