LVM
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英
- 网络逻辑卷管理器(logical volume manager)；逻辑卷管理程序；物理卷
例句
Then, we'll be ready to test out LVM and get the most out of it.
然后，我们准备对LVM做一些测试来充分了解它。
While the transition to LVM is a bit of an ordeal , once the transition is complete , managing filesystems becomes tremendously easier .
虽然到LVM的转换有些痛苦，但一旦转换完成之后，管理文件系统就变得非常简单。
LVM allows you to create logical volumes out of the physical storage resources on your machine.
LVM可以让您在除机器上的物理存储资源以外创建逻辑卷。
Logical volume management (LVM) is a way systems can abstract physical volume management into a higher-level and usually simpler paradigm.
逻辑卷管理（LVM）指系统将物理卷管理抽象到更高的层次，常常会形成更简单的管理模式。
The LVM enables the data to be on multiple physical drives, though they might be configured to be on a single volume group.
LVM允许数据位于多个物理驱动器，尽管可能将它们配置为属于单个卷组。
Layer the Logical Volume Manager (LVM) between the disk and the file system. Doing so allows you to extend the EBS volume at a later time.
在磁盘和文件系统之间建立LogicalVolumeManager（LVM）层，这样以后您将可以扩展EBS卷。
First, we need to select the physical storage resources that are going to be used for LVM.
首先，我们需要选择用于LVM的物理存储器资源。
Depending on your LVM version, there may be other LVM-related options that you'll want to enable as well.
根据您使用的LVM版本，可能还有其它一些希望启用的与LVM相关的选项。
By aggregating partitions and whole disks into a virtual disk, LVM can sum small storage spaces into a bigger, consolidated one.
LVM可以将分区和磁盘聚合成一个虚拟磁盘（virtualdisk），从而用小的存储空间组成一个统一的大空间。
LVM actually controls all the physical disk resources on your system and helps provide a logical view of your storage subsystem.
实际上，LVM控制系统中所有的物理磁盘资源，并帮助提供存储子系统的逻辑视图。
EVMS calls these final storage objects "logical volumes, " whether they happen actually to be disks, partitions, or LVM logical volumes.
EVMS将这些最终存储对象统称为“逻辑卷”，而不管它们实际上正好是磁盘、分区，还是LVM逻辑卷。
Let's now quickly introduce the elements that are part of LVM, from the bottom up.
现在，让我们简要地、自底向上地介绍LVM中的各个元素。
If you've never used a form of LVM before, you're in for a treat; it's a wonderful technology.
如果您以前从未使用过任何形式的LVM，那么您得好好学一学；它是一种非常棒的技术。
If you use parted, you can use the set command to turn on the lvm flag, as in set 1 lvm on to flag partition 1 as an LVM partition.
如果您使用parted，那么您可以使用set命令来打开lvm标记，正如在set1lvmon中标记分区1作为一个LVM分区。
Using this event producer, an application can verify the status of a Volume Group on the disk, with the LVM subsystem.
通过使用本事件创造器，应用程序可以通过LVM子系统验证磁盘上VolumeGroup的状态。
The latest available Red Hat Exam Prep guide includes LVM requirements on both parts of the RHCE exam.
最近的可得红帽考试预科的指南在RHCE考试的两者部份上包括LVM需求。
This section defines the Logical Volume Manager (LVM) and introduces some of its features.
本节定义逻辑卷管理器（LogicalVolumeManager，LVM）并介绍它的一些特性。
Even though RAID and LVM provide interesting features, XFS is the simplest option for a relatively small EBS volume.
即使RAID和LVM提供了有趣的特性，对于一个相对较小的EBS卷来说XFS也是最简单的选择。
This allows data to reside on multiple physical platters and to be managed and analyzed using specialized LVM commands.
这允许数据保存在多个物理盘片上，并使用专门的LVM命令对其进行管理和分析。
You can resize an existing LVM partition, if it's contiguous with the new space.
如果有一个LVM分区与新空间相邻，您可以调整这个现有分区的大小。
LVM consists of two parts: a kernel part and a suite of user-space tools.
LVM由两部分组成：内核部分和一套用户空间工具。
As a consequence of the new pbuf pool implementation, AIX displays and manages additional LVM statistics and tuning parameters.
因为有了新的pbuf池的实现，AIX可以显示和管理附加的LVM统计信息和调整参数。
Note that the initial-ramdisk image usually activates LVM only when it detects that the root filesystem is under a VG.
注意，通常只有当探测到根文件系统在一个VG中时，initial-ramdisk映像才会启用LVM。
If you plan to have your root filesystem inside an LVM LV, take extra care with the initial-ramdisk image.
如果打算将根文件系统放在一个LVMLV中，那么还要注意initial-ramdisk映像。
The data migration from the old disk to the new disk would be accomplished by the LVM command, migratepv.
使用LVM命令migratepv可以完成从旧磁盘到新磁盘的数据迁移。
This virtual disk, in LVM terms, is called volume group.
这个虚拟磁盘在LVM术语中称为卷组（volumegroup）。
Another four volumes were used in an LVM for mail journaling.
一个LVM中的另外4个卷用于邮件日志。
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。
The volume group name used to automatically partition using LVM is already in use.
在使用LVM来进行磁碟自动分割时所采用的卷册群组名称已在使用。
Both filesystem types link their file and directory data to the structure used by the AIX LVM for storage and retrieval.
这两种文件类型都将其文件和目录数据链接到AIXLVM所使用的存储和检索结构中。
What you find is that as a practical matter, AIX LVM is really more like VERITAS, but without the premium price and third party issues.
实际上您将发现，AIXLVM更像VERITAS，但是没有额外的费用和因第三方产生的问题。
LVM uses this area to keep track of how the physical extents are allocated, among other things.
LVM使用该区域来记录物理范围是如何分配的，以及其它一些操作。
The LVM system will then allocate storage from the volume group we specify and create our new volume, which is now ready for use.
然后，LVM系统从我们指定的卷组中分配存储量来创建准备使用的新卷。
LVM is an AIX disk management system that maps the data between logical and physical storage.
LVM是一种AIX磁盘管理系统，它在逻辑和物理存储之间映射数据。
You can even use the AIX LVM to migrate to a completely new SAN storage subsystem (see Resources).
您甚至可以使用AIXLVM将其迁移到一个全新的SAN存储子系统（请参阅参考资料）。
Behind the scenes, the LVM system allocates storage in equal-sized "chunks" , called extents.
在幕后，LVM系统以大小相等的“块”（称为“范围”）为单位分配存储量。
You may select partitions on RAID and LVM devices as well as those created directly on disks.
您也可以选择RAID和LVM设备上的分区，与直接在磁盘上创建一样。
LVM allows admins to manage their storage resources with much greater flexibly than the traditional method of using static disk partitions.
LVM使管理员可以用更加灵活的方式来管理其存储资源，这要比用静态磁盘分区这种传统方式灵活得多。
From here, you can create a volume group, add to an existing volume group, or remove a volume from the LVM altogether.
然后，您可以创建卷组，将物理卷添加到现有的卷组，或者从LVM中完全删除某个卷。
The command shown in Listing 10 takes a snapshot of LVM information every second for 10 intervals.
清单10所示的命令在10个时间间隔内每秒钟对LVM信息取一次快照。
