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linux 命令和教程补充
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Linux/command/lvscan.md
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Linux/command/lvscan.md
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lvscan
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===
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扫描逻辑卷
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## 补充说明
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**lvscan命令** 用于扫描当前系统中存在的所有的LVM逻辑卷。使用lvscan指令可以发现系统中的所有逻辑卷,及其对应的设备文件。
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### 语法
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```shell
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lvscan(选项)
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```
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### 选项
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```shell
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-b:显示逻辑卷的主设备和次设备号。
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```
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### 实例
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使用lvscan命令扫描系统中的所有逻辑卷。在命令行中输入下面的命令:
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```shell
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[root@localhost ~]# lvscan #扫描所有的逻辑卷
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```
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输出信息如下:
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```shell
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ACTIVE '/dev/vg1000/lvol0' [200.00 MB] inherit
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```
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