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Table of Contents

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Abiquo identifies the disk formats by their URIs as given in the following table. These URIs were found in OVF files exported in these formats. However, over time vendors may change their reference information and URIs. Therefore customers who wish to import OVF files should check that their file formats will be correctly identified by Abiquo.


Disk format

URI

Technical reference

Description

RAW

http://raw/


Device disk format

VMDK_STREAM_OPTIMIZED

http://www.vmware.com/technical-resources/interfaces/vmdk_access.html#streamOptimized

vmdk_50_technote.pdf
see Stream-Optimized p11

VMware stream optimized format

VMDK_FLAT

http://www.vmware.com/technical-resources/interfaces/vmdk_access.html#monolithic_flat

vmdk_50_technote.pdf
see Simple Extents p5

VMware fixed disk

VMDK_SPARSE

http://www.vmware.com/technical-resources/interfaces/vmdk_access.html#monolithic_sparse

vmdk_50_technote.pdf 
see Hosted Sparse Extents p6
/ ESXi Host Sparse Extents on p9

VMware sparse disk

VHD_FLAT

http://technet.microsoft.com/en-us/virtualserver/bb676673.aspx#monolithic_flat

VHD specification Word file
see Fixed Hard Disk Image p3

VHD fixed disk

VHD_SPARSE

http://technet.microsoft.com/en-us/virtualserver/bb676673.aspx#monolithic_sparse

VHD specification Word file

see Dynamic Hard Disk Image p3

VHD sparse disk

VHDX_FLAT

http://technet.microsoft.com/en-us/library/hh831446.aspx#monolithic_flat


VHDX fixed disk

VHDX_SPARSE

http://technet.microsoft.com/en-us/library/hh831446.aspx#monolithic_sparse


VHDX sparse disk

VDI_FLAT

http://forums.virtualbox.org/viewtopic.php?t=8046#monolithic_flat


VDI fixed disk

VDI_SPARSE

http://forums.virtualbox.org/viewtopic.php?t=8046#monolithic_sparse


VDI sparse disk

QCOW2_FLAT

http://people.gnome.org/~markmc/qcow-image-format.html#monolithic_flat


QCOW2 fixed disk

QCOW2_SPARSE

http://people.gnome.org/~markmc/qcow-image-format.html#monolithic_sparse


QCOW2 sparse disk

AMI

http://amiprotocol.sourceforge.net/ami-specif.html#1.9.2.user.xml


AMI

ISO

http://iso


ISO format

Abiquo will record UNKNOWN as the format for disks that are not in one of the above formats and the user will not be able to deploy VMs from these disks.

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For each hypervisor, the administrator can override the available formats and the default format using properties. See Abiquo configuration properties#pluginmetadata 

See also Catalogue concepts#Virtual-to-Virtual Conversion.


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Raw format for persistent VMs

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