# lvresize

调整逻辑卷空间大小

## 补充说明

**lvresize命令** 用于调整LVM逻辑卷的空间大小，可以增大空间和缩小空间。使用lvresize命令调整逻辑卷空间大小和缩小空间时需要谨慎，因为它有可能导致数据丢失。

### 语法

```
lvresize(选项)(参数)
```

### 选项

```
-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：指定要删除的逻辑卷。

### 实例

使用lvresize命令调整最大的逻辑卷大小。在命令行中输入下面的命令：

```
[root@localhost ~]# lvresize -L +200M /dev/vg1000/lvol0     #将逻辑卷空间增加200M
```

输出信息如下：

```
Extending logical volume lvol0 to 280.00 MB
Logical volume lvol0 successfully resized
```


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