This section defines the Logical Volume Manager (LVM) and introduces some of its features.
这个部分定义了逻辑卷管理器(Logical Volume Manager,LVM)，并介绍了它的一些特性。
One of the most important services available in Linux is the Logical Volume Manager (LVM).
Linux中可用的一个最重要的服务是逻辑卷管理器(Logical Volume Manager,LVM)。
ZFS combines the concepts of a logical volume manager with a very feature rich and massively scalable file system.
ZFS将逻辑卷管理器的概念与功能丰富的和可大规模扩展的文件系统结合起来。
The BLKGETSIZE64 ioctl is being added to all the devices in Linux, and in this case, the logical volume manager does not support it yet.
BLKGETSIZE64 ioctl 将被添加到Linux中所有的设备，而在这里，逻辑卷管理器还不支持它。
It reports on all layers of file system utilization, including the Logical Volume Manager (LVM), virtual memory, and physical disk layers.
它报告文件系统的所有层的使用率，包括逻辑卷管理器(LVM)、虚拟内存和物理磁盘层。
Therefore, the MKFS code will change to call the older ioctl call if the BLKGETSIZE64 ioctl call fails; this allows MKFS to work with the logical volume manager.
因此，如果BLKGETSIZE64ioctl调用失败，mkfs代码将改为调用较早的ioctl调用；这使得mkfs适用于逻辑卷管理器。
VERITAS volume Manager (VxVM) is a storage management subsystem that enables you to manage physical disks as logical devices called volumes.
veritas卷管理器(VxVM)是一个存储管理子系统，它允许您以逻辑设备(称为卷)的形式管理物理磁盘。
Logical disk Manager cannot open a volume on the disks to be converted.
逻辑磁盘管理器无法打开要转换的磁盘上的卷。
Logical disk Manager cannot open a volume on the disks to be converted.
逻辑磁盘管理器无法打开要转换的磁盘上的卷。
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