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This patch brings support to manage sheepdog pools and volumes to libvirt.
It uses the "collie" command-line utility that comes with sheepdog for that.
A sheepdog pool in libvirt maps to a sheepdog cluster.
It needs a host and port to connect to, which in most cases
is just going to be the default of localhost on port 7000.
A sheepdog volume in libvirt maps to a sheepdog vdi.
To create one specify the pool, a name and the capacity.
Volumes can also be resized later.
In the volume XML the vdi name has to be put into the <target><path>.
To use the volume as a disk source for virtual machines specify
the vdi name as "name" attribute of the <source>.
The host and port information from the pool are specified inside the host tag.
<disk type='network'>
...
<source protocol="sheepdog" name="vdi_name">
<host name="localhost" port="7000"/>
</source>
</disk>
To work right this patch parses the output of collie,
so it relies on the raw output option. There recently was a bug which caused
size information to be reported wrong. This is fixed upstream already and
will be in the next release.
Signed-off-by: Sebastian Wiedenroth <wiedi@frubar.net>
50 lines
2.4 KiB
HTML
50 lines
2.4 KiB
HTML
<html>
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<body>
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<h1>Internal drivers</h1>
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<ul id="toc"></ul>
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<p>
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The libvirt public API delegates its implementation to one or
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more internal drivers, depending on the <a href="uri.html">connection URI</a>
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passed when initializing the library. There is always a hypervisor driver
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active, and if the libvirt daemon is available there will usually be a
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network and storage driver active.
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</p>
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<h2><a name="hypervisor">Hypervisor drivers</a></h2>
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<p>
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The hypervisor drivers currently supported by libvirt are:
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</p>
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<ul>
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<li><strong><a href="drvlxc.html">LXC</a></strong> - Linux Containers</li>
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<li><strong><a href="drvopenvz.html">OpenVZ</a></strong></li>
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<li><strong><a href="drvqemu.html">QEMU</a></strong></li>
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<li><strong><a href="drvtest.html">Test</a></strong> - Used for testing</li>
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<li><strong><a href="drvuml.html">UML</a></strong> - User Mode Linux</li>
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<li><strong><a href="drvvbox.html">VirtualBox</a></strong></li>
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<li><strong><a href="drvesx.html">VMware ESX</a></strong></li>
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<li><strong><a href="drvvmware.html">VMware Workstation/Player</a></strong></li>
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<li><strong><a href="drvxen.html">Xen</a></strong></li>
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<li><strong><a href="drvhyperv.html">Microsoft Hyper-V</a></strong></li>
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</ul>
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<h2><a name="stroage">Storage drivers</a></h2>
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<ul>
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<li><strong><a href="storage.html#StorageBackendDir">Directory backend</a></strong></li>
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<li><strong><a href="storage.html#StorageBackendFS">Local filesystem backend</a></strong></li>
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<li><strong><a href="storage.html#StorageBackendNetFS">Network filesystem backend</a></strong></li>
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<li><strong><a href="storage.html#StorageBackendLogical">Logical Volume Manager (LVM) backend</a></strong></li>
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<li><strong><a href="storage.html#StorageBackendDisk">Disk backend</a></strong></li>
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<li><strong><a href="storage.html#StorageBackendISCSI">iSCSI backend</a></strong></li>
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<li><strong><a href="storage.html#StorageBackendSCSI">SCSI backend</a></strong></li>
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<li><strong><a href="storage.html#StorageBackendMultipath">Multipath backend</a></strong></li>
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<li><strong><a href="storage.html#StorageBackendRBD">RBD (RADOS Block Device) backend</a></strong></li>
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<li><strong><a href="storage.html#StorageBackendSheepdog">Sheepdog backend</a></strong></li>
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</ul>
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</body>
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</html>
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