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Added changes brought up in PR discussion. 

Signed-off-by: Hollie Teal <hollie@docker.com>
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Hollie Teal 2014-08-28 11:04:53 -07:00
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docs/sources/articles/b2d_volume_resize.md
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@ -2,15 +2,17 @@ page_title: Resizing a Boot2Docker Volume
page_description: Resizing a Boot2Docker Volume in VirtualBox with GParted
page_keywords: boot2docker, volume, virtualbox
# Getting “no space left on device” Errors with Boot2Docker?
# Getting “no space left on device” errors with Boot2Docker?
If you're using Boot2Docker with a large number of images, or the images you're working
with are very large, your pulls might start failing with "no space left on device" errors when
the Boot2Docker VM's volume fills up. The solution is to increase the volume size by
first cloning it, then resizing it using a disk partitioning tool.
If you're using Boot2Docker with a large number of images, or the images you're
working with are very large, your pulls might start failing with "no space left
on device" errors when the Boot2Docker volume fills up. The solution is to
increase the volume size by first cloning it, then resizing it using a disk
partitioning tool.
We recommend [GParted](http://gparted.sourceforge.net/download.php/index.php)-- the ISO
is a free download and works well with VirtualBox.
We recommend [GParted](http://gparted.sourceforge.net/download.php/index.php).
The tool comes as a bootable ISO, is a free download, and works well with
VirtualBox.
## 1. Stop Boot2Docker
@ -20,8 +22,9 @@ Issue the command to stop the Boot2Docker VM on the command line:
## 2. Clone the VMDK image to a VDI image
Boot2Docker ships with a VMDK image, which can’t be resized by VirtualBox’s native tools. We will
instead create a VDI volume and clone the VMDK volume to it.
Boot2Docker ships with a VMDK image, which can’t be resized by VirtualBox’s
native tools. We will instead create a VDI volume and clone the VMDK volume to
it.
Using the command line VirtualBox tools, clone the VMDK image to a VDI image:
@ -29,8 +32,9 @@ Using the command line VirtualBox tools, clone the VMDK image to a VDI image:
## 3. Resize the VDI volume
Choose a size that will be appropriate for your needs. If you’re spinning up a lot of containers,
or your containers are particularly large, larger will be better:
Choose a size that will be appropriate for your needs. If you’re spinning up a
lot of containers, or your containers are particularly large, larger will be
better:
`$ vboxmanage modifyhd /full/path/to/<newVDIimage>.vdi —-resize <size in MB>`
@ -38,9 +42,11 @@ or your containers are particularly large, larger will be better:
To resize the volume, we'll use [GParted](http://gparted.sourceforge.net/download.php/).
Once you've downloaded the tool, add the ISO to the Boot2Docker VM’s IDE bus.
You might need to create the bus before you can add the ISO. **Note:** It's
important that you choose a partitioning tool that is available as an ISO so that
the Boot2Docker VM can be booted with it.
You might need to create the bus before you can add the ISO.
**Note:**
It's important that you choose a partitioning tool that is available as an ISO so
that the Boot2Docker VM can be booted with it.
<table>
<tr>
@ -53,41 +59,41 @@ the Boot2Docker VM can be booted with it.
## 5. Add the new VDI image
In the settings for the Boot2Docker image in VirtualBox, remove the VMDK image from
the SATA contoller and add the VDI image.
In the settings for the Boot2Docker image in VirtualBox, remove the VMDK image
from the SATA contoller and add the VDI image.
<img src="/articles/b2d_volume_images/add_volume.png">
## 6. Verify the boot order
In the **System** settings for the Boot2Docker VM, make sure that **CD/DVD** is at
the top of the **Boot Order** list.
In the **System** settings for the Boot2Docker VM, make sure that **CD/DVD** is
at the top of the **Boot Order** list.
<img src="/articles/b2d_volume_images/boot_order.png">
## 7. Boot to the disk partitioning ISO
Manually start the Boot2Docker VM in VirtualBox, and the disk partitioning ISO should start up.
Using GParted, choose the **GParted Live (default settings)** option. Choose the
default keyboard, language, and XWindows settings, and the GParted tool will start
up and display the VDI volume you created. Right click on the VDI and choose
**Resize/Move**.
Manually start the Boot2Docker VM in VirtualBox, and the disk partitioning ISO
should start up. Using GParted, choose the **GParted Live (default settings)**
option. Choose the default keyboard, language, and XWindows settings, and the
GParted tool will start up and display the VDI volume you created. Right click
on the VDI and choose **Resize/Move**.
<img src="/articles/b2d_volume_images/gparted.png">
Drag the slider representing the volume to the maximum available size, click **Resize/Move**,
and then **Apply**.
Drag the slider representing the volume to the maximum available size, click
**Resize/Move**, and then **Apply**.
<img src="/articles/b2d_volume_images/gparted2.png">
Quit GParted and shut down the VM. Remove the GParted ISO from the IDE controller for
the Boot2Docker VM in VirtualBox.
Quit GParted and shut down the VM. Remove the GParted ISO from the IDE controller
for the Boot2Docker VM in VirtualBox.
## 8. Start the Boot2Docker VM
Fire up the Boot2Docker VM manually in VirtualBox. The VM should log in automatically, but
if is doesn't, the credentials are `docker/tcuser`. Using the `df -h` command, verify
that your changes took effect.
Fire up the Boot2Docker VM manually in VirtualBox. The VM should log in
automatically, but if it doesn't, the credentials are `docker/tcuser`. Using
the `df -h` command, verify that your changes took effect.
<img src="/articles/b2d_volume_images/verify.png">