Question

9

Removing a bad sector from an NTFS partition. Badblocks gave me an output. now what?

rated 0 times [ 9] [ 0] / answers: 1 / hits: 31674 / 3 Years ago, sun, august 22, 2021, 7:31:03

I used badblocks to scan a partition on my hdd for bad sectors and it gave me the following output

output

...from what I understand it looks like "one scratch on the hdd" ... anyways I can't partition with gparted because of this bad sector (my previous question: I need help with increasing the size of the file-system partition. Partitioning-o-phobia!) gparted still gives me "a red exclamation mark" on the drive after the badblocks test. ...now what?

I have also tried chkdsk on windows but still gparted gives the red mark

How do I mark this bad sector so that gparted can do its work? :) ...plz exclude answers about "replacing the hdd" I know I can do that.

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torlim

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answered 3 Years ago utonmbo · Accepted Answer

...well now gparted says it's clean!! AT LAST!! ...anyways I'm not sure what exactly solved the problem but I'll list what I've done backwards:

sudo ntfsfix -b /dev/sda6 which gave out:

Mounting volume... OK

Processing of $MFT and $MFTMirr completed successfully.

Checking the alternate boot sector... OK

NTFS volume version is 3.1.

Going to un-mark the bad clusters ($BadClus)... OK

NTFS partition /dev/sda6 was processed successfully.

but before that I did:

sudo dd if=/dev/zero of=/dev/sda6 bs=1024 count=1 seek=303975848

sudo dd if=/dev/zero of=/dev/sda6 bs=1024 count=1 seek=303975849

sudo dd if=/dev/zero of=/dev/sda6 bs=1024 count=1 seek=303975850

sudo dd if=/dev/zero of=/dev/sda6 bs=1024 count=1 seek=303975851

and before that I did

sudo badblocks -nvs /dev/sda6 ... which took 2 whole days to finish!

anyways, lastly, before the last command, I opened windows 7 and used the chkdsk utility (right click the partition, properties, "tools"(or something like that), check for errors)

I hope this helps anyone.