虚拟机运行在ESXi之上，是虚拟机稳定运行的基础
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# pick a particular host./选择特定主机
$h =
get
-vmhost
10.132
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97.19
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![image_thumb[41]](http://virtualbox.blog.51cto.com/attachment/201402/28/531002_1393578637BKHd.png "image_thumb[41]")
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# Let's take a look at advanced configuration options.
#查看主机高级配置，非常多参数，所以带个more会按照窗口显示
$h | Get-VMHostAdvancedConfiguration | more
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![Image635292005218028093_thumb[5]](http://virtualbox.blog.51cto.com/attachment/201402/28/531002_1393578638Umcp.jpg "Image635292005218028093_thumb[5]")
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# That's a lot of stuff! How many options are there exactly?
#非常多参数，有多少选项是你需要的选择的
$h | Get-VMHostAdvancedConfiguration | Measure-
Object
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![image_thumb[24]](http://virtualbox.blog.51cto.com/attachment/201402/28/531002_1393578639tf7T.png "image_thumb[24]")
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# That
's not right??? Something is funny about the object. Let'
s take a closer look at it.
#如果没有你需要的，我们可以更精细的查看
$config = $h | Get-VMHostAdvancedConfiguration
$config | Get-Member
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![image_thumb[26]](http://virtualbox.blog.51cto.com/attachment/201402/28/531002_1393578640wUD2.png "image_thumb[26]")
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# How
do
we
get
a specific value? 来看下我们怎样获取一些指定的参数值
$config.
"Cpu.MoveCurrentRunnerPcpus"
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![image_thumb[28]](http://virtualbox.blog.51cto.com/attachment/201402/28/531002_13935786419PnY.png "image_thumb[28]")
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# Let's count the number of advanced options.
#让我们来统计高级选项的数量
$config.Keys | measure-object
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![image_thumb[30]](http://virtualbox.blog.51cto.com/attachment/201402/28/531002_1393578642gZNe.png "image_thumb[30]")
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# Use
case
: NFS tuning.
# Let's
set
the max NFS heartbeat failures to
20
across all our hosts.
$h | Get-VMHostAdvancedConfiguration | select -expand Keys | Where { $_ -like
"NFS*"
}
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![image_thumb[32]](http://virtualbox.blog.51cto.com/attachment/201402/28/531002_1393578642Y2Hu.png "image_thumb[32]")
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# Now let's change some settings.
# Set-VMHostAdvancedConfiguration
is
easy compared to Get-
# Get-VMHost | Set-VMHostAdvancedConfiguration -name NFS.HeartbeatMaxFailures -Value
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![image_thumb[34]](http://virtualbox.blog.51cto.com/attachment/201402/28/531002_1393578643ibTb.png "image_thumb[34]")
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# Increase the heap size to 30mb.这些命令都比较方便，不用在图形界面点过来点过去，
#为后期的自动化脚本实现提供基础命令
Get-VMHost | Set-VMHostAdvancedConfiguration -name Net.TcpipHeapSize -Value
30
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![image_thumb[36]](http://virtualbox.blog.51cto.com/attachment/201402/28/531002_13935786448psF.png "image_thumb[36]")
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# Setting DNS
is
easy
with
Set-VMHostNetwork
Get-VMHost | Get-VMHostNetwork | Set-VMHostNetwork -DnsAddress
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![image_thumb[38]](http://virtualbox.blog.51cto.com/attachment/201402/28/531002_13935786454s3M.png "image_thumb[38]")
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# Hostname, ConsoleGateway, DNSAddress , IP, SubnetMask, ConsoleGateway, DNSAddress, Devicename 选择的参数非常之多
Get-VMHost | Get-VMHostNetwork | Select Hostname, PortGroupName, IP
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![image_thumb[40]](http://virtualbox.blog.51cto.com/attachment/201402/28/531002_1393578646qqh1.png "image_thumb[40]")
谢谢，感兴趣可以继续跟文。
本文转自 tim2009 51CTO博客，原文链接：http://blog.51cto.com/virtualbox/1365128，如需转载请自行联系原作者
