logical volumes
逻辑卷
确保现在没有用户正在访问卷组中活动卷上的文件,然后卸载逻辑卷 。 Make sure that no users are accessing files on the active volumes in the volume group, then unmount the logical volumes . 这包括物理体系结构、逻辑磁盘排列,以及逻辑卷 和文件系统配置。 This includes the physical architecture, logical disk geometry, and logical volume and file system configuration. Ext4也可拥有其中一些功能,但是需要文件系统和逻辑卷 管理器之间的互动。 Several of these features can be done with ext4, but require interacting with both the file system and the logical volume manager. 另一种是使用现有的分区(例如,普通的分区、一个LVM逻辑卷 或者RAID卷)。 Another option is to choose an existing partition(e.g. a regular partition, an LVM logical volume or a RAID volume). . 为了避免上面描述的情况,您可以采用逻辑卷 管理(LVM)。 To avoid the described situation you can use Logical Volume Manager(LVM).
Ext4也可以实现以上一些功能,但是需要与文件系统和逻辑卷 管理器进行通信。 Several of these features can be done with ext4, but require interacting with both the file system and the logical volume manager. 下面操作逻辑卷 ,这也使我们能够使用物理设备和文件系统。 Let's work with logical volumes , which will allow you to work with physical devices and file systems. 这些组被链接到逻辑卷 (lv)中,这些逻辑卷充当虚拟磁盘分区,可以通过使用LVM进行管理。 These groups are linked together into logical volumes (LVs) that act as virtual disk partitions and that can be managed as such by using LVM. 在图5中,输入逻辑卷 名称oralv和大小4.9GB。 In Figure 5, you will input the name of the logical volume , oralv, and request a size of 4.9GB. Displayconfigurationdetails:显示LVM设备结构,名称和逻辑卷 尺寸等. Display configuration details: shows LVM device structure, names and sizes of logical volumes and more. 安装完之后,你就可以从dash上打开逻辑卷 管理工具了。 After it's installed, you can open the Logical Volume Management utility from the dash. 如果对已有的逻辑卷增加空间,使用resize2fs命令来增大文件系统来填满逻辑卷 。 If adding space to an existing logical volume, use the resize2fs command to enlarge the filesystem to fill the space in the logical volume . 其他的元数据用来存储关于磁盘细分的高级信息,比如逻辑卷 和分区。 Other metadata is used to store high-level information about the subdivisions of the disk, such as logical volumes and partitions. 在先前(第三部分中),我们已经介绍了如何为逻辑卷 创建快照。 Previously in(Part- III) we have seen how to snapshot the logical volume . 每个单独的CD-ROM还可分为多个逻辑卷 (分区)。 The individual CD-ROMs may also be partitioned into logical volumes (partitions). 共享逻辑卷 管理器(SLVM)允许HPEServiceguard群集中具有多个系统,以卷组的形式共享(读/写)磁盘资源。 Shared Logical Volume Manager(SLVM) permits multiple systems in an HPE Serviceguard cluster to share(read/write) disk resources in the form of volume groups. 在调整完逻辑卷 和文件系统的大小之后,我恢复了虚拟机的运行,并且继续进行安装过程,就像什么问题都没有发生过一样。 After resizing the logical volume and the filesystem I resumed running the virtual machine and the installation continued as if no problems had occurred. Logical Volume Management.Shared Logical Volume Manager. Creating the logical volume .
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时间: 0.0166
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