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[Bug 1215403] Re: 2.7 GB drive shows only 746 GB

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Phillip Susi <psusi@xxxxxxxxxx>
Date: Mon, 26 Aug 2013 17:30:54 -0000
Reply-to: Bug 1215403 <1215403@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Please attach your /var/log/kern.log.


** Summary changed:

- Partition not recognized
+ 2.7 GB drive shows only 746 GB

** Package changed: ntfs-3g (Ubuntu) => linux (Ubuntu)

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1215403

Title:
  2.7 GB drive shows only 746 GB

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  In Windows 7 the partition on an external drive is recognized and
  works fine. Checkdisk reports no problems.

  In Ubuntu 13.04 the partition is not recognized. GParted only shows
  unallocated disk space.

  Gdisk says:

  sudo gdisk -l /dev/sdc
  GPT fdisk (gdisk) version 0.8.5

  Partition table scan:
    MBR: protective
    BSD: not present
    APM: not present
    GPT: present

  Found valid GPT with protective MBR; using GPT.

  Warning! Secondary partition table overlaps the last partition by
  4294966385 blocks!
  You will need to delete this partition or resize it in another utility.
  Disk /dev/sdc: 1565565872 sectors, 746.5 GiB
  Logical sector size: 512 bytes
  Disk identifier (GUID): AAD95B0E-B532-46E0-8A90-CE52F34B2792
  Partition table holds up to 128 entries
  First usable sector is 34, last usable sector is 1565565838
  Partitions will be aligned on 8-sector boundaries
  Total free space is 2014 sectors (1007.0 KiB)

  Number  Start (sector)    End (sector)  Size       Code  Name
     1              34          262177   128.0 MiB   0C01  Microsoft reserved part
     2          264192      5860532223   2.7 TiB     0700  Basic data partition

  The awkward thing is: gdisk reports a disk size of 746.5 GiB whereas
  Windows' Disk Management (correctly) reports a size of 2794,39 GB.

  How can I get the disk to work?

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