Linux常用命令库
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ed
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false
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time
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xargs
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lvcreate
lvcreate === 用于创建LVM的逻辑卷 ## 补充说明 **lvcreate命令** 用于创建LVM的逻辑卷。逻辑卷是创建在卷组之上的。逻辑卷对应的设备文件保存在卷组目录下，例如：在卷组"vg1000"上创建一个逻辑卷"lvol0"，则此逻辑卷对应的设备文件为"/dev/vg1000/lvol0"。 ### 语法 ```shell lvcreate(选项)(参数) ``` ### 选项 ```shell -L：指定逻辑卷的大小，单位为“kKmMgGtT”字节； -l：指定逻辑卷的大小（LE数）。 ``` ### 参数 逻辑卷：指定要创建的逻辑卷名称。 ### 实例 使用lvcreate命令在卷组"vg1000"上创建一个200MB的逻辑卷。在命令行中输入下面的命令： ```shell [root@localhost ~]# lvcreate -L 200M vg1000 #创建大小为200M的逻辑卷 ``` 输出信息如下： ```shell Logical volume "lvol0" created ``` 说明：创建成功后，新的逻辑卷"lvol0"，将通过设备文件`/dev/vg1000/lvol0`进行访问。
admin
2022年9月16日 07:00
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