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Author Topic: 500 GB HD has only 8 MB and file system not recognized  (Read 935 times)

Offline tomsiduction

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Hello

My 500 GB HD has only 8 MB and file system not recognized:

Code: [Select]
fdisk -l /dev/sdb
Disk /dev/sdb: 8 MiB, 8388608 bytes, 16384 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x1075dc71

Device     Boot Start   End Sectors Size Id Type
/dev/sdb1        2048 16383   14336   7M 83 Linux

Gparted :

Das Dateisystem wurde nicht erkannt! Mögliche Gründe sind:
- Das Dateisystem ist beschädigt
- Das Dateisystem ist GParted nicht bekannt
- Es ist kein Dateisystem vorhanden (nicht formatiert)
- Der Geräteeintrag /dev/sdb1 fehlt


Any idea what to do?

It happend when I tried to change from MS-Dos to GPT

Regards



Online ReinerS

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Re: 500 GB HD has only 8 MB and file system not recognized
« Reply #1 on: 2021/03/07, 13:18:59 »
If nothing else helps I would suggest to overwrite the whole disk (dev/sdb)or 10 GB of it with dd and try again. It should overwrite all Partion informations.

regards
Reiner
slackware => SuSE => kanotix => sidux => aptosid  => siduction

Offline tomsiduction

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Re: 500 GB HD has only 8 MB and file system not recognized
« Reply #2 on: 2021/03/07, 14:12:37 »
Hello
That is what I did.
It ended after 8 MB

Curious



Online ReinerS

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Re: 500 GB HD has only 8 MB and file system not recognized
« Reply #3 on: 2021/03/07, 14:49:27 »
Well, I am afraid we have to assume then that the disk is dead.
You still could  try in another box but I doubt it will do better there.

regards
Reiner
slackware => SuSE => kanotix => sidux => aptosid  => siduction

Offline sunrat

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Re: 500 GB HD has only 8 MB and file system not recognized
« Reply #4 on: 2021/03/08, 00:00:45 »
That is what I did.
It ended after 8 MB
Explaining exactly what you did would be helpful. The disk does not appear to have had a gpt partition table created.

Offline tomsiduction

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Re: 500 GB HD has only 8 MB and file system not recognized
« Reply #5 on: 2021/03/09, 08:14:48 »
Hello and thank you for the hint.

I was able to recover the disk via "testdisk".
There I had the chance to set the "proposed" heads, cylinders, ... again in a correct way.

Regards

Offline dibl

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Re: 500 GB HD has only 8 MB and file system not recognized
« Reply #6 on: 2021/03/09, 12:50:37 »
Quote from: tomsiduction
I was able to recover the disk via "testdisk"

I don't think that worked.

From a live CD:

Code: [Select]
su
Code: [Select]
gparted
Device > Create Partition Table

Choose the table type that you want (MS-DOS or GPT), then use the green "Apply" arrow to set it. Then you can make the partitions that you want.
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