Commit 42af9c30 authored by MORITA Kazutaka's avatar MORITA Kazutaka Committed by Kevin Wolf
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Documentation: add Sheepdog disk images

Signed-off-by: default avatarMORITA Kazutaka <>
Signed-off-by: default avatarKevin Wolf <>
parent e1a7107f
......@@ -407,6 +407,7 @@ snapshots.
* host_drives:: Using host drives
* disk_images_fat_images:: Virtual FAT disk images
* disk_images_nbd:: NBD access
* disk_images_sheepdog:: Sheepdog disk images
@end menu
@node disk_images_quickstart
......@@ -630,6 +631,57 @@ qemu -cdrom nbd:localhost:exportname=debian-500-ppc-netinst
qemu -cdrom nbd:localhost:exportname=openSUSE-11.1-ppc-netinst
@end example
@node disk_images_sheepdog
@subsection Sheepdog disk images
Sheepdog is a distributed storage system for QEMU. It provides highly
available block level storage volumes that can be attached to
QEMU-based virtual machines.
You can create a Sheepdog disk image with the command:
qemu-img create sheepdog:@var{image} @var{size}
@end example
where @var{image} is the Sheepdog image name and @var{size} is its
To import the existing @var{filename} to Sheepdog, you can use a
convert command.
qemu-img convert @var{filename} sheepdog:@var{image}
@end example
You can boot from the Sheepdog disk image with the command:
qemu sheepdog:@var{image}
@end example
You can also create a snapshot of the Sheepdog image like qcow2.
qemu-img snapshot -c @var{tag} sheepdog:@var{image}
@end example
where @var{tag} is a tag name of the newly created snapshot.
To boot from the Sheepdog snapshot, specify the tag name of the
qemu sheepdog:@var{image}:@var{tag}
@end example
You can create a cloned image from the existing snapshot.
qemu-img create -b sheepdog:@var{base}:@var{tag} sheepdog:@var{image}
@end example
where @var{base} is a image name of the source snapshot and @var{tag}
is its tag name.
If the Sheepdog daemon doesn't run on the local host, you need to
specify one of the Sheepdog servers to connect to.
qemu-img create sheepdog:@var{hostname}:@var{port}:@var{image} @var{size}
qemu sheepdog:@var{hostname}:@var{port}:@var{image}
@end example
@node pcsys_network
@section Network emulation
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