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在VMware中安装虚拟主机时,若想简便快速的部署多台虚拟主机,可先配置一台虚拟主机的一些基础设置,然后通过"克隆"的方式快速部署。而"克隆"又分为完整克隆和链接克隆:
首先说明一点,不管是以任何方式克隆出来的虚拟主机,cpu、内存的占用该是多少就是多少,关键是在于虚拟磁盘是否和原始虚拟主机共享。
完整克隆和链接克隆都可以从字面意思来看出端倪,
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所说的完整克隆就是把原始的虚拟主机全部状态的一个拷贝,除了MAC地址和UUID,其余虚拟机的配置都一样,克隆出来的虚拟主机和原始的虚拟主机是相互独立的,不共享任何资源,都有自己独立的CPU、内存、和存储空间,好处就是安全性比较高,企业中主要用的也是完整克隆的方式;
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链接克隆,字面意思就是通过链接啥而克隆出的一个虚拟主机,肯定和原始的虚拟主机有关系的,虽然服务器会给克隆出的虚拟主机分配新的CPU、内存,但是它们共享一个虚拟磁盘的存储空间,克隆出来的虚拟主机存储数据时,原始主机才会分配出空间让链接克隆出来的虚拟主机存储。克隆出来的虚拟主机是不能脱离原始虚拟机独立运行的,好处就是链接克隆的虚拟主机更快,节省空间,但相对来说不是那么安全。