fdisk 分区

虚拟机添加一块200G硬盘,该硬盘划分一个主分区10G、第二个主分区10G、剩余给第一个逻辑分区
请使用第一个逻辑分区创建ext4文件系统,并挂载到/data目录并配置开机自动挂载
请提供命令截图和执行后结果?

2P+1L

[root@riyimei ~]# fdisk /dev/sdb
WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
         switch off the mode (command 'c') and change display units to
         sectors (command 'u').
Command (m for help): m
Command action
   a   toggle a bootable flag
   b   edit bsd disklabel
   c   toggle the dos compatibility flag
   d   delete a partition
   l   list known partition types
   m   print this menu
   n   add a new partition
   o   create a new empty DOS partition table
   p   print the partition table
   q   quit without saving changes
   s   create a new empty Sun disklabel
   t   change a partition's system id
   u   change display/entry units
   v   verify the partition table
   w   write table to disk and exit
   x   extra functionality (experts only)
Command (m for help):
Command (m for help): p
Disk /dev/sdb: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 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: 0xe8add119
   Device Boot      Start         End      Blocks   Id  System
Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-26108, default 1):
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-26108, default 26108): +10G
Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 2
First cylinder (1307-26108, default 1307):
Using default value 1307
Last cylinder, +cylinders or +size{K,M,G} (1307-26108, default 26108): +10G
Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
e
Partition number (1-4): 3
First cylinder (2613-26108, default 2613):
Using default value 2613
Last cylinder, +cylinders or +size{K,M,G} (2613-26108, default 26108):
Using default value 26108
Command (m for help): P
Disk /dev/sdb: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 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: 0xe8add119
   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1        1306    10490413+  83  Linux
/dev/sdb2            1307        2612    10490445   83  Linux
/dev/sdb3            2613       26108   188731620    5  Extended
Command (m for help): n
Command action
   l   logical (5 or over)
   p   primary partition (1-4)
l
First cylinder (2613-26108, default 2613):
Using default value 2613
Last cylinder, +cylinders or +size{K,M,G} (2613-26108, default 26108):
Using default value 26108
Command (m for help): P
Disk /dev/sdb: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 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: 0xe8add119
   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1        1306    10490413+  83  Linux
/dev/sdb2            1307        2612    10490445   83  Linux
/dev/sdb3            2613       26108   188731620    5  Extended
/dev/sdb5            2613       26108   188731588+  83  Linux
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
           
[root@riyimei ~]# lsblk
NAME                          MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda                             8:0    0   50G  0 disk
├─sda1                          8:1    0  512M  0 part /boot
└─sda2                          8:2    0 49.5G  0 part
  ├─vg_riyimei-swap_lv (dm-0) 253:0    0    4G  0 lvm  [SWAP]
  ├─vg_riyimei-root_lv (dm-1) 253:1    0   10G  0 lvm  /
  ├─vg_riyimei-usr_lv (dm-2)  253:2    0   10G  0 lvm  /usr
  ├─vg_riyimei-var_lv (dm-3)  253:3    0   10G  0 lvm  /var
  ├─vg_riyimei-home_lv (dm-4) 253:4    0    4G  0 lvm  /home
  ├─vg_riyimei-tmp_lv (dm-5)  253:5    0    1G  0 lvm  /tmp
  └─vg_riyimei-opt_lv (dm-6)  253:6    0   10G  0 lvm  /opt
sr0                            11:0    1 55.2M  0 rom  
sdb                             8:16   0  200G  0 disk
├─sdb1                          8:17   0   10G  0 part
├─sdb2                          8:18   0   10G  0 part
├─sdb3                          8:19   0    1K  0 part
└─sdb5                          8:21   0  180G  0 part
[root@riyimei ~]# mkfs.ext4 /dev/sdb5
mke2fs 1.41.12 (17-May-2010)
Discarding device blocks: failed - Input/output error
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
11796480 inodes, 47182897 blocks
2359144 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=4294967296
1440 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
Writing inode tables: done                            
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 37 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
[root@riyimei ~]# mkdir /data
[root@riyimei ~]# mount /dev/sdb5 /data
[root@riyimei ~]# df -hT
Filesystem    Type    Size  Used Avail Use% Mounted on
/dev/mapper/vg_riyimei-root_lv
              ext4    9.9G  370M  9.0G   4% /
tmpfs        tmpfs    939M     0  939M   0% /dev/shm
/dev/sda1     ext4    504M   43M  436M   9% /boot
/dev/mapper/vg_riyimei-home_lv
              ext4    4.0G  136M  3.7G   4% /home
/dev/mapper/vg_riyimei-opt_lv
              ext4    9.9G  151M  9.2G   2% /opt
/dev/mapper/vg_riyimei-tmp_lv
              ext4   1008M   34M  924M   4% /tmp
/dev/mapper/vg_riyimei-usr_lv
              ext4    9.9G  2.1G  7.3G  23% /usr
/dev/mapper/vg_riyimei-var_lv
              ext4    9.9G  208M  9.2G   3% /var
/dev/sdb5     ext4    178G  188M  168G   1% /data
[root@riyimei ~]#echo  /dev/sdb5     /data      ext4    defaults      0 0  >> /etc/fstab

[root@riyimei ~]# more /etc/fstab |grep sdb5
/dev/sdb5  /data  ext4  defaults 0 0
                                                                        

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转载自www.cnblogs.com/liweiming/p/9203946.html