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vgconvert
vgconvert === 转换卷组元数据格式 ## 补充说明 **vgconvert命令** 用于转换指定LVM卷组的元数据格式，通常将“LVM1”格式的卷组转换为“LVM2”格式。转换卷组元数据前必须保证卷组处于非活动状态，否则无法完成转换操作。 ### 语法 ```shell vgconvert(选项)(参数) ``` ### 选项 ```shell -M：要转换的卷组格式。 ``` ### 参数 卷组：指定要转换格式的卷组。 ### 实例 转换卷组元数据格式前，使用vgchange命令将卷组设置为非活动状态。在命令行中输入下面的命令： ```shell [root@localhost lvm]# vgchange -an vg1000 #设置卷组状态为非活动状态 0 logical volume(s) in volume group "vg1000" now active ```shell 使用vgconvert命令将卷组"vg1000"从"LVM1"格式转换为"LVM2"格式。在命令行中输入下面的命令： ```shell [root@localhost lvm]# vgconvert -M2 vg1000 #转换卷组为"LVM2"格式 Volume group vg1000 successfully converted ``` 使用vgchange命令将卷组设置为活动状态。在命令行中输入下面的命令： ```shell [root@localhost lvm]# vgchange -ay vg1000 #设置卷组状态为活动状态 0 logical volume(s) in volume group "vg1000" now active ```
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2022年9月16日 07:01
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