分割槽：
	fdisk 不能大於2T 的檔案系統分割槽。如果大於2T就用parted(他是萬能的，多大的都可以用它分割槽)

1,首先得轉換為gpt格式
[root@moban ~]# parted /dev/sdb
GNU Parted 2.1
Using /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) help                                                             
  align-check TYPE N                        check partition N for TYPE(min|opt) alignment
  check NUMBER                             do a simple check on the file system
  cp [FROM-DEVICE] FROM-NUMBER TO-NUMBER   copy file system to another partition
  help [COMMAND]                           print general help, or help on COMMAND
  mklabel,mktable LABEL-TYPE               create a new disklabel (partition table)
  mkfs NUMBER FS-TYPE                      make a FS-TYPE file system on partition NUMBER
  mkpart PART-TYPE [FS-TYPE] START END     make a partition
  mkpartfs PART-TYPE FS-TYPE START END     make a partition with a file system
  move NUMBER START END                    move partition NUMBER
  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
  resize NUMBER START END                  resize partition NUMBER and its file system
  rm NUMBER                                delete partition NUMBER
  select DEVICE                            choose the device to edit
  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 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?                                               
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                                                               
(parted) mkpart paimary 0 500                                             
Warning: The resulting partition is not properly aligned for best performance.
Ignore/Cancel? yes                                                        
parted: invalid token: yes
Ignore/Cancel? Ignore                                                     
(parted) p                                                                
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 1074MB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number  Start   End    Size   File system  Name     Flags
 1      17.4kB  500MB  500MB               paimary
(parted) quit                                                             
Information: You may need to update /etc/fstab.                          
[root@moban ~]# ll /dev/sd*
brw-rw----. 1 root disk 8,  0 Jun 16 12:20 /dev/sda
brw-rw----. 1 root disk 8,  1 Jun 16 12:20 /dev/sda1
brw-rw----. 1 root disk 8,  2 Jun 16 12:20 /dev/sda2
brw-rw----. 1 root disk 8,  3 Jun 16 12:20 /dev/sda3
brw-rw----. 1 root disk 8, 16 Jun 16 13:45 /dev/sdb
brw-rw----. 1 root disk 8, 17 Jun 16 13:44 /dev/sdb1
[root@moban ~]# mkfs -t ext4 /dev/sdb1
mke2fs 1.41.12 (17-May-2010)
Filesystem label=
OS type: Linux
Block size=1024 (log=0)
Fragment size=1024 (log=0)
Stride=0 blocks, Stripe width=0 blocks
122400 inodes, 488264 blocks
24413 blocks (5.00%) reserved for the super user
First data block=1
Maximum filesystem blocks=67633152
60 block groups
8192 blocks per group, 8192 fragments per group
2040 inodes per group
Superblock backups stored on blocks: 
 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
Writing inode tables: done                            
Creating journal (8192 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 20 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
[root@moban ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda3       9.1G  1.8G  6.9G  21% /
tmpfs           932M     0  932M   0% /dev/shm
/dev/sda1       190M   40M  141M  23% /boot
 [root@moban ~]# mount /dev/sdb1 /tmp
[root@moban ~]# 
[root@moban ~]# 
[root@moban ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda3       9.1G  1.8G  6.9G  21% /
tmpfs           932M     0  932M   0% /dev/shm
/dev/sda1       190M   40M  141M  23% /boot
/dev/sdb1       454M  2.3M  428M   1% /tmp
[root@moban ~]#
要想開機重啟能自動掛載還需要如下：新增UUID
[root@moban ~]# blkid /dev/sdb1
/dev/sdb1: UUID="73f46c61-7715-4370-bd64-70a652bce9f7" TYPE="ext4"
[root@moban ~]# cat /etc/fstab
#
# /etc/fstab
# Created by anaconda on Sun May  6 14:17:24 2018
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
UUID=a8575ea7-961f-4fcd-8e78-bee787e8ea6f /                       ext4    defaults        1 1
UUID=956daa2e-dce7-4662-a44b-42bb2247152c /boot                   ext4    defaults        1 2
UUID=989a48da-a9fd-4dc2-8b13-29f88a328167 swap                    swap    defaults        0 0
tmpfs                   /dev/shm                tmpfs   defaults        0 0
devpts                  /dev/pts                devpts  gid=5,mode=620  0 0
sysfs                   /sys                    sysfs   defaults        0 0
proc                    /proc                   proc    defaults        0 0
UUID="73f46c61-7715-4370-bd64-70a652bce9f7"  /tmp  ext4   defaults 0 0 
[root@moban ~]#