2014-08-23 00:06:28 +00:00
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page_title: Resizing a Boot2Docker Volume
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page_description: Resizing a Boot2Docker Volume in VirtualBox with GParted
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page_keywords: boot2docker, volume, virtualbox
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# Getting “no space left on device” Errors with Boot2Docker?
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If you're using Boot2Docker with a large number of images, or the images you're working
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with are very large, your pulls might start failing with "no space left on device" errors when
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the Boot2Docker VM's volume fills up. The solution is to increase the volume size by
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first cloning it, then resizing it using a disk partitioning tool.
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We'll use [GParted](http://gparted.sourceforge.net/download.php/index.php)
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since it's a free ISO and works well with VirtualBox.
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2014-08-26 21:01:10 +00:00
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## 1. Stop Boot2Docker
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2014-08-25 23:50:55 +00:00
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Issue the command to stop the Boot2Docker VM on the command line:
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2014-08-25 23:50:55 +00:00
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$ boot2docker stop
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2014-08-23 01:19:58 +00:00
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## 2. Clone the VMDK image to a VDI image
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2014-08-25 23:50:55 +00:00
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Boot2Docker ships with a VMDK image, which can’t be resized by VirtualBox’s native tools. We will
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instead create a VDI volume and clone the VMDK volume to it.
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Using the command line VirtualBox tools, clone the VMDK image to a VDI image:
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$ vboxmanage clonehd /full/path/to/boot2docker-hd.vmdk /full/path/to/<newVDIimage>.vdi -—format VDI -—variant Standard
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## 3. Resize the VDI volume
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Choose a size that will be appropriate for your needs. If you’re spinning up a lot of containers,
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or your containers are particularly large, larger will be better:
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$ vboxmanage modifyhd /full/path/to/<newVDIimage>.vdi —-resize <size in MB>
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2014-08-23 01:19:58 +00:00
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## 4. Download a disk partitioning tool ISO
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2014-08-23 01:19:58 +00:00
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To resize the volume, you'll need a disk partitioning tool like [GParted](http://gparted.sourceforge.net/download.php/).
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Once you've downloaded the tool, add the ISO to the Boot2Docker VM’s IDE bus.
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You might need to create the bus before you can add the ISO. **Note:** It's
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important that the partitioning tool you choose is available as an ISO so that
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the Boot2Docker VM can be booted with it.
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<table>
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<tr>
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<td><img src="/articles/b2d_volume_images/add_new_controller.png"><br><br></td>
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</tr>
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<tr>
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<td><img src="/articles/b2d_volume_images/add_cd.png"></td>
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</tr>
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</table>
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2014-08-23 01:19:58 +00:00
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## 5. Add the new VDI image
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In the settings for the Boot2Docker image in VirtualBox, remove the VMDK image from
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the SATA contoller and add the VDI image.
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2014-08-23 01:19:58 +00:00
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<img src="/articles/b2d_volume_images/add_volume.png">
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2014-08-23 01:19:58 +00:00
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## 6. Verify the boot order
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2014-08-25 23:50:55 +00:00
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In the **System** settings for the Boot2Docker VM, make sure that **CD/DVD** is at
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the top of the **Boot Order** list.
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<img src="/articles/b2d_volume_images/boot_order.png">
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## 7. Boot to the disk partitioning ISO
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2014-08-26 21:01:10 +00:00
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Manually start the Boot2Docker VM in VirtualBox, and the disk partitioning ISO should start up.
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Using GParted, choose the **GParted Live (default settings)** option. Choose the
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default keyboard, language, and XWindows settings, and the GParted tool will start
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up and display the VDI volume you created. Right click on the VDI and choose
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**Resize/Move**.
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<img src="/articles/b2d_volume_images/gparted.png">
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Drag the slider representing the volume to the maximum available size, click **Resize/Move**,
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and then **Apply**.
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<img src="/articles/b2d_volume_images/gparted2.png">
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Quit GParted and shut down the VM. Remove the GParted ISO from the IDE controller for
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the Boot2Docker VM in VirtualBox.
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## 8. Start the Boot2Docker VM
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2014-08-26 21:01:10 +00:00
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Fire up the Boot2Docker VM manually in VirtualBox. The VM should log in automatically, but
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the credentials are ``docker/tcuser`` if it doesn't. Using the ``df -h`` command, verify
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that your changes took effect.
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<img src="/articles/b2d_volume_images/verify.png">
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You’re done!
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2014-08-23 00:06:28 +00:00
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