尽管LVM支持在整个磁盘上使用LVM，但是不建议这么做：其他操作系统可能认为这个磁盘没有初始化，可能会破坏它！
Although supported by LVM, using an LVM on top of an entire disk is not recommended: Other operating systems may see this disk as uninitialized and wipe it out!
当数据库服务器处于联机状态并执行操作时，如果虚拟区的初始尺寸太小，数据库服务器会自动向虚拟区附加其他操作系统段。
When the database server is online and performing operations, it automatically attaches additional operating-system segments to the virtual portion, if the initial size is too small.
几乎在每个 UNIX 版本中都有这个实用程序，但奇怪的是，大多数供应商并没有将其包含在操作系统的初始安装中。
This utility is available for nearly every UNIX flavor but, strangely, most vendors don't include it with the stock install of the operating system.
应用推荐