parted

# parted
[前文用多路径挂载了iscsi存储](https://blog.ihoiwan.com/project-9/doc-47/ "点击查看")，挂载完成后需要格式化存储，需要使用parted命令
进入parted命令行，然后再执行各项命令。
```shell
parted
```
## 查看所有磁盘分区
```
(parted) print all
Error: /dev/mapper/mpatha: unrecognised disk label
Model: Linux device-mapper (multipath) (dm)
Disk /dev/mapper/mpatha: 3796GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:

Error: /dev/sda: unrecognised disk label
Model: HUAWEI S5500T (scsi)
Disk /dev/sda: 3796GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:

Error: /dev/sdb: unrecognised disk label
Model: HUAWEI S5500T (scsi)
Disk /dev/sdb: 3796GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:

Model: Virtio Block Device (virtblk)
Disk /dev/vda: 53.7GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number  Start   End     Size    Type     File system  Flags
 1      1049kB  1075MB  1074MB  primary  ext4         boot
 2      1075MB  53.7GB  52.6GB  primary               lvm
```

## 选择磁盘、修改磁盘分区表、创建磁盘分区
```
(parted) select /dev/mapper/mpatha
Using /dev/mapper/mpatha
(parted) mklabel GPT

(parted) print
Model: Linux device-mapper (multipath) (dm)
Disk /dev/mapper/mpatha: 3796GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:

Number  Start  End  Size  File system  Name  Flags

# 创建分区
(parted) mkpart
Partition name?  []? fdfs-data01      # 输入分区名称
File system type?  [ext2]? xfs        # 输入分区类型
Start? 0                              # 输入磁盘开始块
End? 3796GB                           # 输入磁盘结束块，可以用磁盘大小代替。

# 查看磁盘分区
(parted) print
Model: Linux device-mapper (multipath) (dm)
Disk /dev/mapper/mpatha: 3796GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:

Number  Start   End     Size    File system  Name         Flags
 1      17.4kB  3796GB  3796GB  xfs          fdfs-data01
```