Uploading Server Images and CDs

How can I upload my own ISO CD images?

You are welcome to provide your own ISO CD images to use on your servers. You can upload these in one of three ways:

  • using our FTP server to send disk images to your account;
  • using our API with the drive upload tool;
  • if the drive is less than 1GB, using the drive upload web form found under ‘Edit drive’.

How can I upload my own server images?

You can use any of the methods mentioned in the previous question to upload a server image to your account.

To use our FTP server, use your favourite FTP client to and connect to:


using your UUID as the username and API key as the password (you can find these in your Account Profile). Any files uploaded here will be imported to your account a disk, so make sure it’s formatted correctly (see below).

The best way is to use our drive upload tool for Unix or Windows Cygwin, which automatically splits the input file into chunks and transfers each chunk gzipped. This is likely to be the best choice if the image is large, as this uploads in chunks and has the option of resuming an interrupted upload. Read more about how to use our drive upload tool (through the API).

We can also accept USB hard drives with drive images on, to copy across directly. Please contact us if you would like further details of this.

What format server images do you support?

We accept only raw drive images that are the same as a physical drive, with block device, partition tables etc.

How can I migrate Linux KVM or QEMU virtual machines into your cloud?

If your drive is already in the raw format supported by these hypervisors, it is ready to upload using our API upload tool unchanged, as described above.

If your drive is in qcow2 format, you will need to convert it to raw format before uploading. You can do this with the command

qemu-img -f qcow2 -O raw drive.qcow2 drive.raw

where drive.qcow2 is the qcow2 file you want to convert to the raw file drive.raw.

How can I migrate VMware virtual servers into your cloud?

You will need to convert the drives in VMware vmdk format into raw files before you can upload them with our API upload tool. To do this, you will need the qemu-img command distributed as part of qemu and qemu-kvm. Run it as

qemu -f vmdk -O raw drive.vmdk drive.raw

to convert the vmdk drive drive.vmdk into a raw file drive.raw.

How can I migrate physical servers into your cloud?

If you have physical servers that you would like to migrate into our cloud, you should boot your server from a live CD and then run the drive upload tool to upload the hard disk block device. However, please note that uploading a large drive this way can take a very long time depending on your internet connectivity. It may be quicker to install afresh in our cloud and copy your data across.

Can I send you data on a physical disk to copy into my account?

Yes, we can accept USB hard drives with drive images on, to copy across directly. Please contact us if you would like further details of this.


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