Centos 7下如何删除GPT分区

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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
原文链接:https://www.f2er.com/centos/375216.html

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