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| Table of Contents |
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| Info |
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This section describes the template disk formats supported by the Abiquo |
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multi-cloud platform. |
| Tip | |
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| title | API Feature To retrieve the information about Supported Disk Format Types from the Abiquo API, use the requests of the DiskFormatTypes Resource |
Supported
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disk format types
Abiquo supports the disk format types given in this table for OVA import or OVF import.
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
| Note |
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If you upload a disk that is not in one of these formats, Abiquo will record |
Disk format | URI | Technical |
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reference | Description |
|---|---|
RAW |
|
Device disk format | |
VMDK_STREAM_OPTIMIZED |
https://www.vmware.com/technical-resources/interfaces/vmdk_access.html#streamOptimized | vmdk_50_technote.pdf | VMware stream optimized format |
VMDK_FLAT |
https://www.vmware.com/technical-resources/interfaces/vmdk_access.html#monolithic_flat | vmdk_50_technote.pdf | VMware fixed disk |
VMDK_SPARSE |
https://www.vmware.com/technical-resources/interfaces/vmdk_access.html#monolithic_sparse | vmdk_50_technote.pdf | VMware sparse disk |
VHD_FLAT |
https://technet.microsoft.com/en-us/virtualserver/bb676673.aspx#monolithic_flat | VHD specification Word file | VHD fixed disk |
VHD_SPARSE |
https://technet.microsoft.com/en-us/virtualserver/bb676673.aspx#monolithic_sparse | see Dynamic Hard Disk Image p3 | VHD sparse disk |
VHDX_FLAT |
https://technet.microsoft.com/en-us/library/hh831446.aspx#monolithic_flat |
VHDX fixed disk | ||
VHDX_SPARSE |
https://technet.microsoft.com/en-us/library/hh831446.aspx#monolithic_sparse |
VHDX sparse disk | |
VDI_FLAT |
https://forums.virtualbox.org/viewtopic.php?t=8046#monolithic_flat |
VDI fixed disk | ||
VDI_SPARSE |
https://forums.virtualbox.org/viewtopic.php?t=8046#monolithic_sparse |
VDI sparse disk | |
QCOW2_FLAT |
https://people.gnome.org/~markmc/qcow-image-format.html#monolithic_flat |
QCOW2 fixed disk | ||
QCOW2_SPARSE |
https://people.gnome.org/~markmc/qcow-image-format.html#monolithic_sparse |
QCOW2 sparse disk | ||
AMI |
https://amiprotocol.sourceforge.net/ami-specif.html#1.9.2.user.xml |
AMI |
ISO |
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ISO format |
Abiquo will record UNKNOWN as the format for disks that are not in one of the above formats.
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Hypervisor compatibility table
The following table shows the different formats supported by the hypervisors. The hypervisor default format (also called the base format) for each hypervisor is marked with a 
.
If you upload a template in a format not supported by your hypervisor to the Appliance Library Catalogue view, Abiquo will convert it to the most suitable format.The hypervisor default format (also called the base format ) for each your hypervisor is marked with a 
.
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| title | Change base format and formats offered |
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To configure the list of formats
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and the base format
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, in your abiquo.properties set the properties for plugin metadata. To find these properties, search for .pluginmetadata. on the Abiquo configuration properties page.
Format | AWS | ESX/ESXi | Hyper-V | KVM |
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Proxmox |
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RAW |
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VMDK_FLAT |
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VMDK_SPARSE |
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VMDK_STREAM_OPTIMIZED |
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VHD_FLAT |
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VHD_SPARSE |
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VHDX_FLAT |
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VHDX |
No persistent VHDX templates_SPARSE |
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FROM VHDX
No persistent VHDX templatesVDI_FLAT |
VDI_SPARSE |
QCOW2_FLAT |
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QCOW2_SPARSE |
no conversions
no
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AMI |
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ISO |
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Hypervisor default format and conversions
In the above table, the hypervisor default format (also called the base format) for each hypervisor is marked with a . This is the preferred deployment format for this hypervisor, and if .
If there is a disk in the base format, Abiquo will choose to deploy this disk, and not a disk in another format.
Abiquo converts disks from other hypervisor formats into the base format. For example, if you upload a VHD template and you have ESXi hypervisors, Abiquo will convert it into VMDK fixed format.
Abiquo will not convert templates that are in other compatible formats for the same hypervisor. For example, if you upload a VMDK Sparse template for ESXi, then Abiquo will deploy the template as a VM with a sparse disk. However, if you somehow have both a sparse and a fixed format for the same disk, Abiquo will deploy the fixed format disk with thin provisioning enabled.
Abiquo will convert an Abiquo instance disk to hypervisor base format, but the administrator can control this conversion with properties. See Abiquo Configuration Properties#instanceconfiguration properties and search for .instance.
For each hypervisor, the administrator can override the available formats and the default format using properties. See Abiquo Configuration Properties#pluginmetadata See Abiquo configuration properties and search for .pluginmetadata.
See also Appliance library concepts .
Raw format for persistent VMs
| Tip | ||
|---|---|---|
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The Disk from device or raw format is used for persistent VM templates. Before creating a persistent VM template, Abiquo converts the template's disks to raw format and then dumps them to a volume on the selected storage. |
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https://abiquo.atlassian.net/wiki/spaces/doc/pages/311371369/Catalogue+view#Catalogue-concepts about Virtual-to-virtual conversion (V2V)
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Note about ISO disks
Abiquo supports ISO disks, which may be bootable installation disks (added to templates) or data disks (added to VMs). See:
Create template: Upload an ISO disk from the local filesystem
- Template