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6 votes
2 answers
3k views

Is there any option to quickly scan an entire hard drive for bad blocks?

I have a 1 TB HDD so I want to test for bad sectors or bad blocks but badblocks takes a LOT of time in Linux (barely 4.66% done in 6 hours 3 minutes). In Windows however chkdsk scans in a few seconds ...
makgun's user avatar
  • 347
5 votes
2 answers
28k views

Thousands of bad clusters discovered by chkdsk on external HDD

2 days ago, during download, uTorrent started to throw CRC error (write), i resumed failing download multiple times with no luck(same error appeared again and again just in few seconds/minutes), then ...
illegal-immigrant's user avatar
3 votes
1 answer
4k views

Bad sectors vs spare/reserve sectors and how the OS and disk interpret them

From what I understand, there are two fundamental ways sectors are marked bad: OS performs IO read/write instruction. The sector is replaced with a spare and marked bad. Disk's low-level instructions ...
user301234's user avatar