this post was submitted on 07 Jul 2023
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I have some drives of various sizes, 1TB, 2TB etc. I am currently working with a 2 TB drive. I place it in a powered external USB-3 drive enclosure. I can see it in lsblk as the correct size (as SDA) , but the disk manager does not see /dev/sda, and fdisk only wants to let me create a 5 GB partition.

If I dd if=/dev/zero of=/dev/sda bs=400K status=progress writes 5 GB and claims my 2 TB drive (In this case) is full.

Is there a way to reclaim this drive? Any information on the drive is unimportant.

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[–] Efwis@lemmy.zip 1 points 1 year ago (1 children)

Have you tried looking at the disk with gparted?

[–] waspentalive@lemmy.one 2 points 1 year ago (2 children)

Created a 2tb partition with gparted now writing to failure with dd. Up to 41gb so far.

[–] Efwis@lemmy.zip 1 points 1 year ago (1 children)

Well that is a good sign then. You have definitely broken that 5gb issue. Did you happen to notice if there was. Hidden petition on there?

[–] waspentalive@lemmy.one 1 points 1 year ago (1 children)

I did not see any. Gparted would have shown them to me, right?

[–] Efwis@lemmy.zip 1 points 1 year ago

Kinda depends on the software used to format the drive originally iirc

[–] Efwis@lemmy.zip 1 points 1 year ago (1 children)

Sounds like that drive is gone. I’m betting it has dead blocks/sectors

[–] waspentalive@lemmy.one 2 points 1 year ago (1 children)

Now the 2TB drive has received 88GB so far - the write continues.

[–] Efwis@lemmy.zip 1 points 1 year ago (1 children)
[–] waspentalive@lemmy.one 1 points 1 year ago (1 children)

The DD continues now at 170Gb of 1024 - a long way to go... 25mb / s

[–] Efwis@lemmy.zip 1 points 1 year ago

That’s awesome, sounds like hearted may have saved your drive useability.