[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.

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howtos:general_admin:resize_a_qemu_raw_image_with_an_ntfs_filesytem [2013/12/15 05:16 (UTC)] – [Use qemu-img to resize the QEMU raw disk image] allendhowtos:general_admin:resize_a_qemu_raw_image_with_an_ntfs_filesytem [2013/12/15 05:19 (UTC)] – [Finish up] allend
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 <code>losetup  /dev/loop0 Windows_XP_Professional_SP_3.img</code> <code>losetup  /dev/loop0 Windows_XP_Professional_SP_3.img</code>
  
-Inspect the partition table (here parted is used but fdisk or cfdisk can also be used)+Inspect the partition table (here parted is used but fdisk or cfdisk can also be used).
  
 <code>parted /dev/loop0</code> <code>parted /dev/loop0</code>
  
-Within parted set the units to sectors and print the current partition table+Within parted set the units to sectors and print the current partition table.
  
 <code>(parted) unit s                                                            <code>(parted) unit s                                                           
 (parted) print </code> (parted) print </code>
  
-The output will look something like this+The output will look something like this:
 <code>Model: Loopback device (loopback) <code>Model: Loopback device (loopback)
 Disk /dev/loop0: 12582912s Disk /dev/loop0: 12582912s
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 </code> </code>
  
-Note the Sector size and Start sector numbers.+Note the Sector size and Start sector numbers in the output.
  
-Now quit parted+Now quit parted.
  
 <code>(parted) quit</code> <code>(parted) quit</code>
  
-Delete the loop device+Delete the loop device.
  
 <code>losetup -d /dev/loop0</code> <code>losetup -d /dev/loop0</code>
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 <code>losetup -o$((512*63)) /dev/loop0 Windows_XP_Professional_SP_3.img</code> <code>losetup -o$((512*63)) /dev/loop0 Windows_XP_Professional_SP_3.img</code>
  
-First do a dry run+First do a dry run.
  
 <code> ntfsresize -n -s 6G /dev/loop0</code> <code> ntfsresize -n -s 6G /dev/loop0</code>
  
-If all is OK, do it for real+If all is OK, do it for real.
  
 <code>ntfsresize -s 6G /dev/loop0</code> <code>ntfsresize -s 6G /dev/loop0</code>
  
-Delete the loop device+Delete the loop device.
  
 <code>losetup -d /dev/loop0</code> <code>losetup -d /dev/loop0</code>
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 ===== Update the partition table ===== ===== Update the partition table =====
  
-Loop mount the image+Loop mount the image.
  
 <code>losetup  /dev/loop0 Windows_XP_Professional_SP_3.img</code> <code>losetup  /dev/loop0 Windows_XP_Professional_SP_3.img</code>
  
-Update the partition table using parted (both fdisk and cfdisk appear to fail here)+Update the partition table using parted (both fdisk and cfdisk appear to fail here).
  
 <code>parted /dev/loop0</code> <code>parted /dev/loop0</code>
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 <code>(parted) quit</code> <code>(parted) quit</code>
  
-Delete the loop device+Delete the loop device.
  
 <code>losetup -d /dev/loop0</code> <code>losetup -d /dev/loop0</code>
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 ===== Finish up ===== ===== Finish up =====
  
-Boot the virtual machine and allow the Windows chkdsk program to run+Boot the virtual machine and allow the Windows chkdsk program to run.
  
  
 howtos:general_admin:resize_a_qemu_raw_image_with_an_ntfs_filesytem ()