parted和fdisk分区挂载

parted

[root@centos7 ~]# lsblk 
NAME   MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda      8:0    0  1.1T  0 disk 
├─sda1   8:1    0  476M  0 part /boot
├─sda2   8:2    0    8G  0 part [SWAP]
└─sda3   8:3    0  1.1T  0 part /
sdb      8:16   0  1.8T  0 disk 
sr0     11:0    1 1024M  0 rom  
[root@centos7 ~]# parted /dev/sd
sda   sda1  sda2  sda3  sdb   
[root@centos7 ~]# parted /dev/sdb
GNU Parted 3.1
使用 /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) p                                                                
错误: /dev/sdb: unrecognised disk label
Model: DELL PERC 6/i Adapter (scsi)                                       
Disk /dev/sdb: 2000GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags: 
(parted) help                                                             
  align-check TYPE N                        check partition N for TYPE(min|opt) alignment
  help [COMMAND]                           print general help, or help on COMMAND
  mklabel,mktable LABEL-TYPE               create a new disklabel (partition table)
  mkpart PART-TYPE [FS-TYPE] START END     make a partition
  name NUMBER NAME                         name partition NUMBER as NAME
  print [devices|free|list,all|NUMBER]     display the partition table, available devices, free space, all found partitions, or a
        particular partition
  quit                                     exit program
  rescue START END                         rescue a lost partition near START and END
  rm NUMBER                                delete partition NUMBER
  select DEVICE                            choose the device to edit
  disk_set FLAG STATE                      change the FLAG on selected device
  disk_toggle [FLAG]                       toggle the state of FLAG on selected device
  set NUMBER FLAG STATE                    change the FLAG on partition NUMBER
  toggle [NUMBER [FLAG]]                   toggle the state of FLAG on partition NUMBER
  unit UNIT                                set the default unit to UNIT
  version                                  display the version number and copyright information of GNU Parted
(parted) mklabel msdos                                                    
(parted) mklabel gpt
警告: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be lost. Do you want to continue?
是/Yes/否/No? yes                                                         
(parted) p                                                                
Model: DELL PERC 6/i Adapter (scsi)
Disk /dev/sdb: 2000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start  End  Size  File system  Name  标志

(parted) mkpart aaa 0 100%                                                
警告: The resulting partition is not properly aligned for best performance.
忽略/Ignore/放弃/Cancel? i                                                
(parted) p                                                                
Model: DELL PERC 6/i Adapter (scsi)
Disk /dev/sdb: 2000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End     Size    File system  Name  标志
 1      17.4kB  2000GB  2000GB               aaa

(parted) gpt                                                              
  align-check TYPE N                        check partition N for TYPE(min|opt) alignment
  help [COMMAND]                           print general help, or help on COMMAND
  mklabel,mktable LABEL-TYPE               create a new disklabel (partition table)
  mkpart PART-TYPE [FS-TYPE] START END     make a partition
  name NUMBER NAME                         name partition NUMBER as NAME
  print [devices|free|list,all|NUMBER]     display the partition table, available devices, free space, all found partitions, or a
        particular partition
  quit                                     exit program
  rescue START END                         rescue a lost partition near START and END
  rm NUMBER                                delete partition NUMBER
  select DEVICE                            choose the device to edit
  disk_set FLAG STATE                      change the FLAG on selected device
  disk_toggle [FLAG]                       toggle the state of FLAG on selected device
  set NUMBER FLAG STATE                    change the FLAG on partition NUMBER
  toggle [NUMBER [FLAG]]                   toggle the state of FLAG on partition NUMBER
  unit UNIT                                set the default unit to UNIT
  version                                  display the version number and copyright information of GNU Parted
(parted) p                                                                
Model: DELL PERC 6/i Adapter (scsi)
Disk /dev/sdb: 2000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End     Size    File system  Name  标志
 1      17.4kB  2000GB  2000GB               aaa

(parted) mkpart 1 0 100%                                              
错误: 无法满足分区的所有限制。
(parted) rm aaa
错误: 需要分区编号。
(parted) rm 1
(parted) p                                                                
Model: DELL PERC 6/i Adapter (scsi)
Disk /dev/sdb: 2000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start  End  Size  File system  Name  标志

(parted) mkpart 1 0 100%                                                  
警告: The resulting partition is not properly aligned for best performance.
忽略/Ignore/放弃/Cancel? c                                                
(parted) p                                                                
Model: DELL PERC 6/i Adapter (scsi)
Disk /dev/sdb: 2000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start  End  Size  File system  Name  标志

(parted) mkpart a 0 100%                                                  
警告: The resulting partition is not properly aligned for best performance.
忽略/Ignore/放弃/Cancel? i                                                
(parted) p                                                                
Model: DELL PERC 6/i Adapter (scsi)
Disk /dev/sdb: 2000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End     Size    File system  Name  标志
 1      17.4kB  2000GB  2000GB               a

(parted) quit                                                             
信息: You may need to update /etc/fstab.

[root@centos7 ~]# lsblk                                         
NAME   MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda      8:0    0  1.1T  0 disk 
├─sda1   8:1    0  476M  0 part /boot
├─sda2   8:2    0    8G  0 part [SWAP]
└─sda3   8:3    0  1.1T  0 part /
sdb      8:16   0  1.8T  0 disk 
└─sdb1   8:17   0  1.8T  0 part 
sr0     11:0    1 1024M  0 rom  
[root@centos7 ~]# 

 

 

 

 

[root@centos7 ~]# part
parted     partprobe  partx      
[root@centos7 ~]# partx -h
用法：
 partx [-a|-d|-s|-u] [--nr <n:m> | <分区>] <磁盘>
选项：
 -a, --add            添加指定的分区或所有分区
 -d, --delete         删除指定的分区或所有分区
 -s, --show           列出分区

 -u, --update         更新指定的分区或所有分区
 -b, --bytes          以字节为单位而非易读的格式来打印 SIZE
 -g, --noheadings     --show 时不打印标题
 -n, --nr <n:m>       指定分区范围(例如：--nr 2:4)
 -o, --output <type>  定义使用哪个输出列
 -P, --pairs          使用 key=“value” 输出格式
 -r, --raw            使用原生输出格式
 -t, --type <类型>    指定分区类型(dos、bsd、solaris 等)
 -v, --verbose        详尽模式

 -h, --help     显示此帮助并退出
 -V, --version  输出版本信息并退出

可用的列(针对 --show、--raw 或 --pairs)：
         NR  分区号
      START  分区起点(扇区数)
        END  分区终点(扇区数)
    SECTORS  扇区数
       SIZE  易读形式的大小
       NAME  分区名
       UUID  分区 UUID
       TYPE  分区类型 十六进制 或 uuid
      FLAGS  分区标志
     SCHEME  分区表类型(dos、gpt、...)

更多信息请参阅 partx(8)。
[root@centos7 ~]# partx -s /dev/sdb 
NR START        END    SECTORS SIZE NAME UUID
 1    34 3905945566 3905945533 1.8T a    7e88976f-26aa-4319-af6a-48f0048e5db5
[root@centos7 ~]# partx -s /dev/sda
NR    START        END    SECTORS SIZE NAME UUID
 1     2048     976895     974848 476M      
 2   976896   17754111   16777216   8G      
 3 17754112 2339373055 2321618944 1.1T      

[root@centos7 ~]# mkfs.ext4 /dev/sdb1
mke2fs 1.42.9 (28-Dec-2013)
文件系统标签=
OS type: Linux
块大小=4096 (log=2)
分块大小=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
122060800 inodes, 488243191 blocks
24412159 blocks (5.00%) reserved for the super user
第一个数据块=0
Maximum filesystem blocks=2636120064
14900 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks: 
	32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 
	4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 
	102400000, 214990848

Allocating group tables: 完成                            
正在写入inode表: 完成                            
Creating journal (32768 blocks): 完成
Writing superblocks and filesystem accounting information: 完成       

[root@centos7 ~]# tune2fs -c 0 -i 0 /dev/sdb1
tune2fs 1.42.9 (28-Dec-2013)
Setting maximal mount count to -1
Setting interval between checks to 0 seconds
[root@centos7 ~]# mkdir /data2
[root@centos7 ~]# mount /dev/sdb1 /data2
[root@centos7 ~]# df -h
文件系统        容量  已用  可用 已用% 挂载点
/dev/sda3       1.1T  1.1T   61G   95% /
devtmpfs        5.8G     0  5.8G    0% /dev
tmpfs           5.8G  4.0K  5.8G    1% /dev/shm
tmpfs           5.8G  8.6M  5.8G    1% /run
tmpfs           5.8G     0  5.8G    0% /sys/fs/cgroup
/dev/sda1       473M  169M  305M   36% /boot
tmpfs           1.2G     0  1.2G    0% /run/user/0
tmpfs           1.2G     0  1.2G    0% /run/user/1006
/dev/sdb1       1.8T   77M  1.7T    1% /data2
[root@centos7 ~]#