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分区管理工具-parted命令实战案例

2024-09-03 24
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简介： 关于Linux分区管理工具parted命令的使用案例，包括创建和删除分区、清空分区表等操作的详细步骤和注意事项。

作者：尹正杰
版权声明：原创作品，谢绝转载！否则将追究法律责任。

　　parted的操作都是实时生效的，生产环境中请谨慎使用。因为你做的任何操作都是立即执行当你执行了一些命令想要撤销是不可行的。推荐使用fdisk和gdisk创建分区。

一.分区表概述

　　博主推荐阅读:
　　　　https://www.cnblogs.com/yinzhengjie/p/12347792.html

二.parted案例展示

1>.查看parted命令的帮助信息

[root@yinzhengjie.com ~]# man parted

2>.创建MBR分区表

[root@yinzhengjie.com ~]# lsblk 
NAME                   MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda                      8:0    0    2T  0 disk 
├─sda1                   8:1    0    2M  0 part 
├─sda2                   8:2    0    1G  0 part /boot
└─sda3                   8:3    0    2T  0 part 
  ├─centos-root        253:0    0  500G  0 lvm  /
  └─centos-yinzhengjie 253:1    0  1.5T  0 lvm  /yinzhengjie
sdb                      8:16   0  600G  0 disk 
sdc                      8:32   0  400G  0 disk 
sdd                      8:48   0  800G  0 disk 
sde                      8:64   0 1000G  0 disk 
sr0                     11:0    1 1024M  0 rom  
[root@yinzhengjie.com ~]# 
[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# lsblk

[root@yinzhengjie.com ~]# fdisk -l /dev/sdb

Disk /dev/sdb: 644.2 GB, 644245094400 bytes, 1258291200 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

[root@yinzhengjie.com ~]# 
[root@yinzhengjie.com ~]# parted /dev/sdb mklabel msdos
Information: You may need to update /etc/fstab.

[root@yinzhengjie.com ~]#                                                 
[root@yinzhengjie.com ~]# fdisk -l /dev/sdb

Disk /dev/sdb: 644.2 GB, 644245094400 bytes, 1258291200 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos　　　　　　　　#类型为dos，其实就对应着MBR分区表
Disk identifier: 0x0006a574

   Device Boot      Start         End      Blocks   Id  System
[root@yinzhengjie.com ~]# 
[root@yinzhengjie.com ~]#


[root@yinzhengjie.com ~]# hexdump -C /dev/sdb -n 512
00000000  fa b8 00 10 8e d0 bc 00  b0 b8 00 00 8e d8 8e c0  |................|
00000010  fb be 00 7c bf 00 06 b9  00 02 f3 a4 ea 21 06 00  |...|.........!..|
00000020  00 be be 07 38 04 75 0b  83 c6 10 81 fe fe 07 75  |....8.u........u|
00000030  f3 eb 16 b4 02 b0 01 bb  00 7c b2 80 8a 74 01 8b  |.........|...t..|
00000040  4c 02 cd 13 ea 00 7c 00  00 eb fe 00 00 00 00 00  |L.....|.........|
00000050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
000001b0  00 00 00 00 00 00 00 00  74 a5 06 00 00 00 00 00  |........t.......|
000001c0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 55 aa  |..............U.|
00000200
[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# hexdump -C /dev/sdb -n 512

[root@yinzhengjie.com ~]# hexdump -C /dev/sdb -n 512 -v
00000000  fa b8 00 10 8e d0 bc 00  b0 b8 00 00 8e d8 8e c0  |................|
00000010  fb be 00 7c bf 00 06 b9  00 02 f3 a4 ea 21 06 00  |...|.........!..|
00000020  00 be be 07 38 04 75 0b  83 c6 10 81 fe fe 07 75  |....8.u........u|
00000030  f3 eb 16 b4 02 b0 01 bb  00 7c b2 80 8a 74 01 8b  |.........|...t..|
00000040  4c 02 cd 13 ea 00 7c 00  00 eb fe 00 00 00 00 00  |L.....|.........|
00000050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000060  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000070  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000080  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000090  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000c0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000d0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000100  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000110  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000120  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000130  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000140  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000150  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000160  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000170  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000180  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000190  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001b0  00 00 00 00 00 00 00 00  74 a5 06 00 00 00 00 00  |........t.......|
000001c0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001d0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 55 aa  |..............U.|
00000200
[root@yinzhengjie.com ~]# 
[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# hexdump -C /dev/sdb -n 512 -v

3>.创建GPT分区表

[root@yinzhengjie.com ~]# fdisk -l /dev/sdb

Disk /dev/sdb: 644.2 GB, 644245094400 bytes, 1258291200 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos　　　　　　　　#类型为dos，其实就对应着MBR分区表
Disk identifier: 0x0006a574

   Device Boot      Start         End      Blocks   Id  System
[root@yinzhengjie.com ~]# 
[root@yinzhengjie.com ~]# parted /dev/sdb mklabel gpt
Warning: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be lost. Do you want to continue?
Yes/No? yes   　　　　　　#由于磁盘已经存在分区表啦，当我们使用parted工具再进行分区时会提示咱们是否继续,输入yes就可以确认重写为gpt分区。                                               
Information: You may need to update /etc/fstab.

[root@yinzhengjie.com ~]#                                                 
[root@yinzhengjie.com ~]# fdisk -l /dev/sdb
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.

Disk /dev/sdb: 644.2 GB, 644245094400 bytes, 1258291200 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: gpt　　　　　　　　#很显然，已经成功更改为GPT类型的分区啦~
Disk identifier: 566063CE-4FF3-451F-B57A-C42D79F93C20

#         Start          End    Size  Type            Name
[root@yinzhengjie.com ~]#

4>.查看分区信息

[root@yinzhengjie.com ~]# parted /dev/sdb print　　　　　　　　　　#查看/dev/sdb设备的分区信息
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 644GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start  End  Size  File system  Name  Flags　　　　　　　　#很明显，目前该磁盘没有任何的分区信息生成，仅仅声明了当前设备是GPT分区。
[root@yinzhengjie.com ~]#


[root@yinzhengjie.com ~]# parted  -l 
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sda: 2199GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: pmbr_boot

Number  Start   End     Size    File system  Name  Flags
 1      1049kB  3146kB  2097kB                     bios_grub
 2      3146kB  1077MB  1074MB  xfs
 3      1077MB  2199GB  2198GB                     lvm


Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 644GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start  End  Size  File system  Name  Flags


Error: /dev/sdc: unrecognised disk label
Model: VMware, VMware Virtual S (scsi)                                    
Disk /dev/sdc: 429GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags: 

Error: /dev/sdd: unrecognised disk label
Model: VMware, VMware Virtual S (scsi)                                    
Disk /dev/sdd: 859GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags: 

Error: /dev/sde: unrecognised disk label
Model: VMware, VMware Virtual S (scsi)                                    
Disk /dev/sde: 1074GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags: 

Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/centos-yinzhengjie: 1661GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags: 

Number  Start  End     Size    File system  Flags
 1      0.00B  1661GB  1661GB  xfs


Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/centos-root: 537GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags: 

Number  Start  End    Size   File system  Flags
 1      0.00B  537GB  537GB  xfs


[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# parted -l　　　　　　　　　　　　　　　　#列出所有分区信息

5>.创建主分区

[root@yinzhengjie.com ~]# parted /dev/sdb print
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 644GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start  End  Size  File system  Name  Flags

[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# parted /dev/sdb print

[root@yinzhengjie.com ~]# lsblk 
NAME                   MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda                      8:0    0    2T  0 disk 
├─sda1                   8:1    0    2M  0 part 
├─sda2                   8:2    0    1G  0 part /boot
└─sda3                   8:3    0    2T  0 part 
  ├─centos-root        253:0    0  500G  0 lvm  /
  └─centos-yinzhengjie 253:1    0  1.5T  0 lvm  /yinzhengjie
sdb                      8:16   0  600G  0 disk 
sdc                      8:32   0  400G  0 disk 
sdd                      8:48   0  800G  0 disk 
sde                      8:64   0 1000G  0 disk 
sr0                     11:0    1 1024M  0 rom  
[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# lsblk

[root@yinzhengjie.com ~]# parted /dev/sdb mkpart primary 1 120000　　　　　　　　#创建主分区，指定起始位置为1，结束位置为120000,即分配了大概120G的分区。
Information: You may need to update /etc/fstab.

[root@yinzhengjie.com ~]#


[root@yinzhengjie.com ~]# lsblk 
NAME                   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda                      8:0    0     2T  0 disk 
├─sda1                   8:1    0     2M  0 part 
├─sda2                   8:2    0     1G  0 part /boot
└─sda3                   8:3    0     2T  0 part 
  ├─centos-root        253:0    0   500G  0 lvm  /
  └─centos-yinzhengjie 253:1    0   1.5T  0 lvm  /yinzhengjie
sdb                      8:16   0   600G  0 disk 
└─sdb1                   8:17   0 111.8G  0 part 
sdc                      8:32   0   400G  0 disk 
sdd                      8:48   0   800G  0 disk 
sde                      8:64   0  1000G  0 disk 
sr0                     11:0    1  1024M  0 rom  
[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# lsblk

[root@yinzhengjie.com ~]# parted /dev/sdb print
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 644GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End    Size   File system  Name     Flags
 1      1049kB  120GB  120GB               primary

[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# parted /dev/sdb print

[root@yinzhengjie.com ~]# parted /dev/sdb mkpart primary 120001 240000　　　　　　　　#创建第二个主分区依旧需要咱们自己指定分区的起始位置,这就得需要您自己提前规划好哟~
Information: You may need to update /etc/fstab.

[root@yinzhengjie.com ~]#                                                 
[root@yinzhengjie.com ~]# parted /dev/sdb print
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 644GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End    Size   File system  Name     Flags
 1      1049kB  120GB  120GB               primary
 2      120GB   240GB  120GB               primary

[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# parted /dev/sdb mkpart primary 120001 240000　　　　　　　　#创建第二个主分区依旧需要咱们自己指定分区的起始位置,这就得需要您自己提前规划好哟~

6>.删除分区

[root@yinzhengjie.com ~]# lsblk 
NAME                   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda                      8:0    0     2T  0 disk 
├─sda1                   8:1    0     2M  0 part 
├─sda2                   8:2    0     1G  0 part /boot
└─sda3                   8:3    0     2T  0 part 
  ├─centos-root        253:0    0   500G  0 lvm  /
  └─centos-yinzhengjie 253:1    0   1.5T  0 lvm  /yinzhengjie
sdb                      8:16   0   600G  0 disk 
├─sdb1                   8:17   0 111.8G  0 part 
├─sdb2                   8:18   0 111.8G  0 part 
└─sdb3                   8:19   0   512B  0 part 
sdc                      8:32   0   400G  0 disk 
sdd                      8:48   0   800G  0 disk 
sde                      8:64   0  1000G  0 disk 
sr0                     11:0    1  1024M  0 rom  
[root@yinzhengjie.com ~]# 
[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# lsblk

[root@yinzhengjie.com ~]# parted /dev/sdb print
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 644GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End    Size   File system  Name     Flags
 1      1049kB  120GB  120GB               primary
 2      120GB   240GB  120GB               primary
 3      240GB   240GB  512B                primary　　　　　　　　　　　　　　#该分区我手动分配错误啦，其大小仅512B(即仅一个扇区),因此我们需要手动删除它。

[root@yinzhengjie.com ~]# 
[root@yinzhengjie.com ~]# parted /dev/sdb rm 3　　　　　　　　　　　　　　　　 #指定要删除的分区编号
Information: You may need to update /etc/fstab.

[root@yinzhengjie.com ~]#                                                 
[root@yinzhengjie.com ~]# parted /dev/sdb print
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 644GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End    Size   File system  Name     Flags
 1      1049kB  120GB  120GB               primary
 2      120GB   240GB  120GB               primary

[root@yinzhengjie.com ~]#


[root@yinzhengjie.com ~]# lsblk 
NAME                   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda                      8:0    0     2T  0 disk 
├─sda1                   8:1    0     2M  0 part 
├─sda2                   8:2    0     1G  0 part /boot
└─sda3                   8:3    0     2T  0 part 
  ├─centos-root        253:0    0   500G  0 lvm  /
  └─centos-yinzhengjie 253:1    0   1.5T  0 lvm  /yinzhengjie
sdb                      8:16   0   600G  0 disk 
├─sdb1                   8:17   0 111.8G  0 part 
└─sdb2                   8:18   0 111.8G  0 part 
sdc                      8:32   0   400G  0 disk 
sdd                      8:48   0   800G  0 disk 
sde                      8:64   0  1000G  0 disk 
sr0                     11:0    1  1024M  0 rom  
[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# lsblk

7>.清空整个分区表(请谨慎操作!)

[root@yinzhengjie.com ~]# hexdump -C /dev/sdb -n 512 -v
00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000030  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000040  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000060  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000070  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000080  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000090  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000c0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000d0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000100  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000110  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000120  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000130  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000140  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000150  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000160  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000170  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000180  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000190  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001c0  01 00 ee fe ff ff 01 00  00 00 ff ff ff 4a 00 00  |.............J..|
000001d0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 55 aa  |..............U.|
00000200
[root@yinzhengjie.com ~]# 
[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# hexdump -C /dev/sdb -n 512 -v

[root@yinzhengjie.com ~]# lsblk  /dev/sdb　　　　　　　　　　　　　　　　　　　　　　　　#为情况分区表之前该设备有2个分区表信息
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sdb      8:16   0   600G  0 disk 
├─sdb1   8:17   0 111.8G  0 part 
└─sdb2   8:18   0 111.8G  0 part 
[root@yinzhengjie.com ~]# 
[root@yinzhengjie.com ~]# dd if=/dev/zero of=/dev/sdb bs=1 count=512　　　　　　　　#清空磁盘的第一个扇区。
512+0 records in
512+0 records out
512 bytes (512 B) copied, 0.00229388 s, 223 kB/s
[root@yinzhengjie.com ~]# 
[root@yinzhengjie.com ~]# lsblk  /dev/sdb　　　　　　　　　　　　　　　　　　　　　　　　#清空分区表后就看不到对应的分区信息啦
NAME MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sdb    8:16   0  600G  0 disk 
[root@yinzhengjie.com ~]#


[root@yinzhengjie.com ~]# hexdump -C /dev/sdb -n 512 -v
00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000030  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000040  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000060  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000070  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000080  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000090  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000c0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000d0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000100  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000110  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000120  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000130  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000140  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000150  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000160  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000170  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000180  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000190  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001c0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001d0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000200
[root@yinzhengjie.com ~]# 
[root@yinzhengjie.com ~]#

[root@yinzhengjie.com ~]# hexdump -C /dev/sdb -n 512 -v

三.fdisk分区管理工具

　　博主推荐阅读:
　　　　https://www.cnblogs.com/yinzhengjie/p/12359248.html
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