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Linux에서 badblocks . 모든 섹터를 검사 및 다시 쓰는 작업<br /> <br /> sudo fdisk -l (df -h , sudo blkid , lsblk )<br /> sudo badblocks -f -b 4096 -p 1 -c 32768 -nsv /dev/sdb (or sdb2)<br /> “-f” forces the program to run even with a mounted drive.<br /> “-b 4096” sets a block size do the given number of bytes. For this use case it is a good default that speeds up the process.<br /> “-p 1” specifies the number of passes to 1, ie. not to start it over again several times.<br /> “-c 32768” the number of blocks tested at once. For computers with 4 GB of RAM and more, a value this high can speed up the process (though take more RAM of course).<br /> “-nsv” “n” parameter says to use non-destructive method (to not destroy the data), “s” is for enabling progress tracking and “v” is for showing it on the screen (verbose mode), so that you can see if the program got “stuck”.
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