Images Supported Types Formats

When you add an image to the PMO image catalog, you can specify its disk and container format. This article describes the various supported disk and file formats and what subset is supported by PMO.

You can find more info on supported disk and container formats in the OpenStack documentation here: http://docs.openstack.org/image-guide/content/image-formats.htmlarrow-up-right

Format Type

Description

Supported by Platform9

Our Comments

raw/img

An unstructured disk image format; if you have a file without an extension it is possibly a raw format.

Yes (given .raw, .img, .dat, .bin extensions)

Common extensions .raw, .img, .dat, .bin

qcow2

Supported by the QEMU emulator that can expand dynamically and supports Copy-on-Write

Yes

Most common file format used with Linux/KVM

vmdk

Common disk format supported by many common virtual machine monitors

Yes (for VMware vSphere hypervisor)

VMDK format is commonly associated with VMware

vdi

Supported by VirtualBox virtual machine monitor and the QEMU emulator

Not recommended (Will be recognized, but may or may not work depending on driver availability)

VirtualBox image files in practice may or may not work with Linux/KVM hypervisor. You might run into compatibility issues due to missing required virtualization drivers)

iso

An archive format for the data contents of an optical disc, such as CD-ROM

Yes

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aki

An Amazon kernel image

No

Amazon image types are not popularly used with Linux/KVM

ari

An Amazon ramdisk image

No

Amazon image types are not popularly used with Linux/KVM

ami

An Amazon machine image

No

Amazon image types are not popularly used with Linux/KVM

vhd

The VHD disk format, a common disk format used by virtual machine monitors from VMware, Xen, Microsoft, VirtualBox, and others

No

Not a popular image format

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