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Old 02-14-2010, 07:08 PM   #1
Registered: Oct 2007
Location: Edinburgh, Scotland
Distribution: Debian, CentOS, RHEL, Mint, Ubuntu
Posts: 79

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Delete GPT Partition


I have a new WD 1TB drive on a remote machine running Ubuntu 8.10 that steadfastly refused to remove its GPT partition.

It is a WD10EADS-65M and when I run fdisk it complains about "WARNING: GPT (GUID Partition Table) detected on '/dev/sdc'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000

Disk /dev/sdc doesn't contain a valid partition table"

How do I remove the GPT partition?

I have tried dd'ing the entire drive with

dd if=/dev/zero of=/dev/sdc bs=512 count=2
dd if=/dev/zero of=/dev/sdc bs=512 seek=1000204886016


Old 02-15-2010, 12:57 PM   #2
Senior Member
Registered: Sep 2003
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what you have done should of worked fine.
Old 04-20-2013, 11:24 AM   #3
LQ Newbie
Registered: Jan 2012
Distribution: Fedora, Debian & Ubuntu
Posts: 6

Rep: Reputation: Disabled

I know this is a really old post - but I am sitting with the same issue.
It is a backup GPT table that is causing the MBR environment to be read as if it is GPT.
The partition table scan identifies the MBR as being MBR-only and GPT data as being present.
The warning is innocuous - a false positive.
I am sure you have already resolved this - but just wanted to mention that these innocuous messages are best not fiddled with. - let sleeping dogs lie!


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