操作环境

Centos 7

操作步骤

最近在linux测试机上面，通过fdisk 查看硬盘，发现几块1TB的硬盘都变成了GPT分区，无法通过fdisk进行分区操作，所以要通过parted 删除其GPT分区

[root@docker-server-1 ~]# fdisk -l

Disk /dev/sdb: 999.7 GB,999653638144 bytes

255 heads,63 sectors/track,121534 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x000dac36

Device Boot Start End Blocks Id System

Disk /dev/sda: 999.7 GB,121534 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00048d6c

Device Boot Start End Blocks Id System

/dev/sda1 * 1 1306 10485760 83 Linux

/dev/sda2 1306 3346 16384000 82 Linux swap / Solaris

/dev/sda3 3346 121535 949353472 83 Linux

WARNING: GPT (GUID Partition Table) detected on '/dev/sdc'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/sdc: 999.7 GB,121534 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00000000

Device Boot Start End Blocks Id System

WARNING: GPT (GUID Partition Table) detected on '/dev/sdf'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/sdf: 999.7 GB,999653638144 bytes

256 heads,121059 cylinders

Units = cylinders of 16128 * 512 = 8257536 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00000000

Device Boot Start End Blocks Id System

/dev/sdf1 1 121060 976224255+ ee GPT

WARNING: GPT (GUID Partition Table) detected on '/dev/sdd'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/sdd: 999.7 GB,121534 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00000000

Device Boot Start End Blocks Id System

WARNING: GPT (GUID Partition Table) detected on '/dev/sde'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/sde: 999.7 GB,121059 cylinders

Units = cylinders of 16128 * 512 = 8257536 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00000000

Device Boot Start End Blocks Id System

/dev/sde1 1 121060 976224255+ ee GPT

1.选择sdc进行删除GPT分区操作

[root@docker-server-1 ~]# parted /dev/sdc

GNU Parted 2.1

Using /dev/sdc

Welcome to GNU Parted! Type 'help' to view a list of commands.

(parted)

2.通过mklabel建立msdos分区

(parted) mklabel

New disk label type? msdos

Warning: The existing disk label on /dev/sdc will be destroyed and all data on this disk will be lost. Do you want to continue?

Yes/No? Yes

Warning: /dev/sdc contains GPT signatures,indicating that it has a GPT table. However,it does not have a valid fake msdos partition table,as it should. Perhaps it was corrupted -- possibly by a program that doesn't understand

GPT partition tables. Or perhaps you deleted the GPT table,and are now using an msdos partition table. Is this a GPT partition table?

Yes/No? Yes 3.再次通过fdisk 查看sdc，就不会提示GPT分区了

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