centos Qemu NVMe 及网桥配置

 

git clone git://git.infradead.org/users/kbusch/qemu-nvme.git

 

cd qemu-nvme

 

./configure --python=/usr/bin/python2 --enable-kvm --target-list=x86_64-softmmu --enable-linux-aio --prefix=/home/clzhou/qemu-nvme-setup

 

make

 

make install

 创建image

qemu-img create -f qcow2 /home/clzhou/qemu-img-disk 20G

 安装 ubuntu

./x86_64-softmmu/qemu-system-x86_64 -m 1024  -cdrom ../ubuntu-15.10-server-amd64.iso -hda ../qemu-img-disk

 

创建一个空的image，用于放NVME device

dd if=/dev/zero of=blknvme bs=1M count=1024

 

试着启动虚拟机，下面命令行参数逗号前后不能有空格，否则提示 drive with bus=0, unit=0 (index=0) exists

./x86_64-softmmu/qemu-system-x86_64 -m 1024 -hda ../qemu-img-disk -drive file=blknvme,if=none,id=mynvme -device nvme,drive=mynvme,serial=foo --enable-kvm

 进入虚拟机后查看/dev/nvme0n1是否存在

 

配置tap网络，使虚拟机能访问外网

 安装bridge和tun/tap工具

yum install bridge-utils.noarch
yum install tunctl

 

brctl show

 

tunctl -b

 

新建/etc/qemu-ifup /etc/qemu-ifdown

 [root@deralab1 qemu-nvme]# vi /etc/qemu-ifup 
#!/bin/sh
/usr/sbin/tunctl -t tap0 -u root 
ETH0ADDR=10.0.1.30
/sbin/ifdown eth0
/sbin/ifconfig eth0 0.0.0.0 promisc up
/sbin/ifconfig $1 10.0.1.123 promisc up
/usr/sbin/brctl addbr br0
/usr/sbin/brctl addif br0 eth0
/usr/sbin/brctl addif br0 $1
/usr/sbin/brctl stp br0 off
/sbin/ifconfig br0
/sbin/ifconfig br0 $ETH0ADDR netmask 255.255.255.0

[root@deralab1 qemu-nvme]# vi /etc/qemu-ifdown 
#!/bin/sh
/sbin/ifdown eth0
/sbin/ifdown br0
/sbin/ifconfig br0 down

/usr/sbin/brctl delbr br0
/sbin/ifconfig eth0 -promisc
/sbin/ifup eth0 
#/sbin/dhclient eth0

[root@deralab1 qemu-nvme]# chmod 777 /etc/qemu-ifdown 
[root@deralab1 qemu-nvme]# chmod 777 /etc/qemu-ifup 

 

启动带网络接口的虚拟机

./x86_64-softmmu/qemu-system-x86_64 -m 1024 -hda ../qemu-img-disk -net nic,vlan=0 -net tap,vlan=0,ifname=tap0 -drive file=blknvme,if=none,id=mynvme -device nvme,drive=mynvme,serial=foo --enable-kvm

 

参考 http://blog.csdn.net/xinying0424/article/details/8156892

http://git.infradead.org/users/kbusch/      users/kbusch/linux-nvme/*

http://qemu.weilnetz.de/qemu-doc.html   Qemu user document

http://openchannelssd.readthedocs.org/en/latest/gettingstarted/  一个openchannual 官方帮助文档

 http://www.cnblogs.com/huqingyu/archive/2005/04/03/131102.html   qemu如何上网