Xen双网卡安装方法
现采购的服务器都有2块网卡,虚拟机默认安装第一块。走内网的服务不方便,所以我们的Xen需要双网卡。
1. 创建双网卡脚本
脚本需要放在/etc/xen/scripts 目录下
vi /etc/xen/scripts/multi_bridge
写入以下内容也可直接使用附带脚本:
#!/bin/sh
dir=$(dirname "$0")
"$dir/network-bridge" "$@" vifnum=0 netdev=eth0
"$dir/network-bridge" "$@" vifnum=1 netdev=eth1
保存后 赋予执行权限
2. 修改xend配置,使其调用双网卡脚本 可使用附带的脚本
修改 /etc/xend/xend-config.sxp
找到 (network-script network-bridge) 注释成 # (network-script network-bridge)
添加一行 (network-script multi_bridge)
保存后执行 service xend restart ,由于执行脚本会等几秒。
3. 测试执行修改效果
运行 ifconfig |grep xenbr1 有返回就表示正常。
如果有错误,请返回检查是否有拼写错误。
4. 将网卡部署至各个虚拟机
打开配置文件
找到并修改Vif 段落 下面为例子:
vif = [ "mac=00:16:36:72:a4:26,bridge=xenbr0,script=vif-bridge" ]
vif = [ "mac=00:16:36:72:a4:26,bridge=xenbr0,script=vif-bridge","mac=00:16:36:72:a4:27,bridge=xenbr1,script=vif-bridge" ]
说明一下红色部分:
1. 2个网卡用都好隔开。
2. 网卡的mac地址原则上没限制只要不冲突就好,现在的做法是:老网卡mac地址最后2为地址加1或减少1。
3. 新网桥的名字为xenbr1。
5. 重启虚拟机: 先关机再开,直接使用xm reboot 虚拟机不读取配置文件。
6.重启后检验。
PS: Windows 网卡优化
windows 网卡默认是虚拟的Realtek 3389 百兆卡,只要压力一大就会无响应。
redhat 为了解决这个问题,出了一个解决方案:
让全虚的系统使用半虚的io设备,包括网卡和磁盘。
redhat有个扩展的iso里面就有一个rpm包,里面就有Windows的驱动。
装完就是 这个样子:
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAVsAAABACAIAAAA7y0NWAAAGoklEQVR4nO2cvW4jNxSFp0y5j7AqXeYRVmXeJEhluAq2zyOkWqRzOrnTdk7pLQJ4CwNSYUAuXLhIocLFFC5uCq1Nmpe8P9TMWKbOB4KgZ8jLS87hsez1Tjf/NCcAACAiom7+ab743i/+7Rffn0vcfl2WcX0T1xS3lzf9c8m3L9e0vOmX69DO1pfr/nJNy3Vop/VtqK+S+pa1b/urW7rK1nf5+vqOru5KNf1o39P1HV3f03W5vbqn6+eyKtUPr+pVXD+w9gNtWPtH/d+rehO3tfKwNdV6eQz1NqkfWfuRtnHpWbun7SP1SbvX6ifqtZqeqH8uVKqJ6ImIXrV/1MTa758OnxEAAC/AEQAAATgCACAARwAABOAIAIAAHAEAEIAjAAACcAQAQACO4KHrUFDeWoXjAkfw0LoagE7rGoAjeGhdDUCndQ3AETy0rgag07oG4AgeWlcD0GldA3AED62rAei0roFRHKEr7Bq/nlxRO9gHjkLragA6w2kgFu3hKF93hC9/fdkVR9DCUnm7tBFdAUs3e55u4AigSgMlPRslPaXyTY6w6Wn2cXZ2elaMohEvJm53zBdK7exclv58oLxeCUM+WoCQdrwt1VllN1mNnKQhPC95afa177XtB8U4nxFoTOX7shrEEdKghg88iSKFzvLdOJQxpfrt09ZlNAXXKPthc0XO9rG0LXFapvYzgvEiDa18L8M7QumQc4fjblf6BsUDJkHUb1ZwBD5K/lZj3CU4gm1QnqRDqXMSqhRwj1VF8Yd1hFhkPEV+8mVRlq4Q20E1MTmafXApZvbJZa9kH3xplOVhZ4OQttLkEcQDeVuOk0yaNORFlbplOxwEw31GUPsMq3wjQzoCT5QfiaRd4QhcTwmWDCsRPyNkV7Fnw5JzaccsW5G1EuO8pZyzT6GkBLlxWF6w4+0cYR/lO1KVHWH192zzdb66+Hl1cbK6mMu/XKxo88UICzYeOUuGlZh/auA528+/cErl2ZOLb+gIapIvsycJZ3fssBjaEZL1jqF8X6qJI7z8W+OubL7+st1uiKjfri7//JDcTbIsrYSfE2KaEJYnK4zPkl/nILvmcQR7H9UjtKT0E2jJ2dhW4xjzUY3vOB1BHeVVvpeMI2x6eimri9l2fUYPn/v1b8s/fopvCT9HlFYiKCBrE3I0IXhpdu64Psrrij2RX8/mwB9t0seyutKKjLtB0Z6XEpPVbBlSuihntdeTGo9xHKEbTfleUkeYfZzFZXPxYfvtZPPPyfbbyeL3LrnrcgTeh6swezB4n5JuRtfQAQoUTEytIwjQISk/83uEs9Ozl7I47c5Pu/PTbnHanf/axbd2ZZAk3g1wBNC6BpTfLB67BSS0rgag07oG8H8fPbSuBqDTugbgCB5aVwPQaV0DcAQPrasB6LSuATiCh9bVAHRa1wAcwUPragA6rWsA71Dy0LoagE6tBixSF/4YYTLwDiUPcATg14Bw1JO/MoqHZNsTcETvUBoAQz7mSDX+ZRmS3Xa+aTxU6aLcR11IVglGXBOps8sX7RHdQ6JJS19SY46QBjV81BekmXSW78ahjOnVo61rH8UbI1imSPLhNY+TlSAXcdI2Crd6f4RQFUNcOQvh3EOinYxlz5MpUTFjNcfyDqVheJ+OkB1ocQRhugpHGOTRDOsIdRnUJVBKQ31Y79sREiPM3qWcZfI+wpU4QqnDKJSPR9azLFe8cbif2vMRvjSOovLOy44grytr6NkF8g7xhlhmn94RkjSyi6XyZk4n7910R/UOpX3xf8OU98Sy2GxDXma2j/1Lixzlw6zmk11OnRjkPIUhlYwmsKyYR5c0T+N43qE0AIbj8dLI5lxaRekKj2NRSXZP5INheWTCcKFn6Va8kD0dwbgbap4m/MOFo5482WySUwg7zvZI3qE0DB5HUPvI3VxxKuZKblnkmG278ikNr3YEnrw6+76HbQ+ZlZYpJ/b2jtDkO5SGwfC9Lmt/yZWsbybdhPh8LjWfZKJsAkLCritCPtnrcQIUPVk55zhOaerS7JYgxSu1MosXwqfgGQqZjAreoeRh2mcDLEx8YKp/auBtKn/Cysp7GvAOJQ9whENi+tOym3XqGacF71Dy0LoagE7rGsD/ffTQuhqATusagCN4aF0NQKd1DcARPLSuBqDTugbgCB5aVwPQaV0DcAQPrasB6LSuATiCh65DQXlrFY4LHAEAEIAjAAACcAQAQACOAAAIwBEAAAE4AgAgAEcAAATgCACAABwBABCAIwAAAnAEAEDgf/8KNic96dx/AAAAAElFTkSuQmCC)
![](data:image/png;base64,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)
如果网卡是千兆,这里就显示千兆。速度和物理网卡一样。
性能强很多,虽然不能和硬件相比,但是已经可以为生产做一些事情了。
这个redhat可是要收钱地。
下面是把rpm包里面的exe分离出来的exe打的包,只有32位 64的没有找到。
xenpv-win-32bit-0.97.4.part1.rar
xenpv-win-32bit-0.97.4.part2.rar 下面要注意,如果装了这个包,Windows32位的Windows 只能用3.5G内存,超过了Windows就启动不了。
也算是一个bug吧,各位谁找到了64位通知我。
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