在KVM主機和虛擬機之間共享目錄
阿新 • • 發佈:2018-06-04
kvm執行以下步驟:
(1)在host OS上面創建新的目錄和在這個目錄裏面創建一個文件。
root@kvm:~# mkdir /tmp/shared
root@kvm:~# touch /tmp/shared/file
(2)在停止KVM的實例後,添加下面的配置
root@kvm:~# virsh edit kvm1 ... <devices> ... <filesystem type=‘mount‘ accessmode=‘passthrough‘> <source dir=‘/tmp/shared‘/> <target dir=‘tmp_shared‘/> </filesystem> ... </devices> ... Domain kvm1 XML configuration edited.
(3)啟動VM虛擬機:
root@kvm:~# virsh start kvm1
Domain kvm1 started
(4)執行以下命令連接控制臺
root@kvm:~# virsh console kvm1
Connected to domain kvm1
Escape character is ^]
Debian GNU/Linux 8 debian ttyS0
debian login: root
Password:
...
(5)確保9p和virtio內存驅動已經加載。
root@debian:~# lsmod | grep 9p 9pnet_virtio 17006 0 9pnet 61632 1 9pnet_virtio virtio_ring 17513 3 virtio_pci,virtio_balloon,9pnet_virtio virtio 13058 3 virtio_pci,virtio_balloon,9pnet_virtio
(6)掛載共享的目錄到/mnt
root@debian:~# mount -t 9p -o trans=virtio tmp_shared /mnt
(7)列出剛剛掛載的東西
root@debian:~# mount | grep tmp_shared
tmp_shared on /mnt type 9p (rw,relatime,sync,dirsync,trans=virtio)
(8)查看下我們在第一步創建的文件是否能看的到。
root@debian:~# ls -la /mnt/ total 8 drwxr-xr-x 2 root root 4096 Mar 23 11:25 . drwxr-xr-x 22 root root 4096 Mar 22 16:28 .. -rw-r--r-- 1 root root 0 Mar 23 11:25 file
在KVM主機和虛擬機之間共享目錄