diff options
| -rw-r--r-- | qemu-doc.texi | 49 | ||||
| -rw-r--r-- | qemu-options.hx | 17 |
2 files changed, 66 insertions, 0 deletions
diff --git a/qemu-doc.texi b/qemu-doc.texi index d8fb2de10e..6ff309ddf4 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -421,6 +421,7 @@ snapshots. * disk_images_nbd:: NBD access * disk_images_sheepdog:: Sheepdog disk images * disk_images_iscsi:: iSCSI LUNs +* disk_images_gluster:: GlusterFS disk images @end menu @node disk_images_quickstart @@ -814,7 +815,55 @@ qemu-system-i386 -iscsi initiator-name=iqn.qemu.test:my-initiator \ -cdrom iscsi://127.0.0.1/iqn.qemu.test/2 @end example +@node disk_images_gluster +@subsection GlusterFS disk images +GlusterFS is an user space distributed file system. + +You can boot from the GlusterFS disk image with the command: +@example +qemu-system-x86_64 -drive file=gluster[+@var{transport}]://[@var{server}[:@var{port}]]/@var{volname}/@var{image}[?socket=...] +@end example + +@var{gluster} is the protocol. + +@var{transport} specifies the transport type used to connect to gluster +management daemon (glusterd). Valid transport types are +tcp, unix and rdma. If a transport type isn't specified, then tcp +type is assumed. + +@var{server} specifies the server where the volume file specification for +the given volume resides. This can be either hostname, ipv4 address +or ipv6 address. ipv6 address needs to be within square brackets [ ]. +If transport type is unix, then @var{server} field should not be specifed. +Instead @var{socket} field needs to be populated with the path to unix domain +socket. + +@var{port} is the port number on which glusterd is listening. This is optional +and if not specified, QEMU will send 0 which will make gluster to use the +default port. If the transport type is unix, then @var{port} should not be +specified. + +@var{volname} is the name of the gluster volume which contains the disk image. + +@var{image} is the path to the actual disk image that resides on gluster volume. + +You can create a GlusterFS disk image with the command: +@example +qemu-img create gluster://@var{server}/@var{volname}/@var{image} @var{size} +@end example + +Examples +@example +qemu-system-x86_64 -drive file=gluster://1.2.3.4/testvol/a.img +qemu-system-x86_64 -drive file=gluster+tcp://1.2.3.4/testvol/a.img +qemu-system-x86_64 -drive file=gluster+tcp://1.2.3.4:24007/testvol/dir/a.img +qemu-system-x86_64 -drive file=gluster+tcp://[1:2:3:4:5:6:7:8]/testvol/dir/a.img +qemu-system-x86_64 -drive file=gluster+tcp://[1:2:3:4:5:6:7:8]:24007/testvol/dir/a.img +qemu-system-x86_64 -drive file=gluster+tcp://server.domain.com:24007/testvol/dir/a.img +qemu-system-x86_64 -drive file=gluster+unix:///testvol/dir/a.img?socket=/tmp/glusterd.socket +qemu-system-x86_64 -drive file=gluster+rdma://1.2.3.4:24007/testvol/a.img +@end example @node pcsys_network @section Network emulation diff --git a/qemu-options.hx b/qemu-options.hx index fe8f15c541..06aa1ae6e3 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -2054,6 +2054,23 @@ qemu-system-i386 --drive file=sheepdog:192.0.2.1:30000:MyVirtualMachine See also @url{http://http://www.osrg.net/sheepdog/}. +@item GlusterFS +GlusterFS is an user space distributed file system. +QEMU supports the use of GlusterFS volumes for hosting VM disk images using +TCP, Unix Domain Sockets and RDMA transport protocols. + +Syntax for specifying a VM disk image on GlusterFS volume is +@example +gluster[+transport]://[server[:port]]/volname/image[?socket=...] +@end example + + +Example +@example +qemu-system-x86_84 --drive file=gluster://192.0.2.1/testvol/a.img +@end example + +See also @url{http://www.gluster.org}. @end table ETEXI |