一、查看Qemu-kvm
/usr/libexec/qemu-kvm -drive=?
Supported formats: vvfat vpc vmdk vhdx vdi sheepdog rbd raw host_cdrom host_floppy host_device file qed qcow2 qcow parallels nbd iscsi gluster dmg cloop bochs blkverify blkdebug
Supported formats 中包含rbd表示支持Ceph RBD
二、查看qemu-img
qemu-img -h
Supported formats: vvfat vpc vmdk vhdx vdi sheepdog rbd raw host_cdrom host_floppy host_device file qed qcow2 qcow parallels nbd iscsi gluster dmg cloop bochs blkverify blkdebug
Supported formats 中包含rbd表示支持Ceph RBD
原文：http://www.cnblogs.com/killingwolf/p/4728302.html