创建GPT磁盘可以使用一个分区非常大的容量
root@node01:/mnt# parted /dev/sda
GNU Parted 2.3
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
 
(parted) mklabel gpt                                                      
Warning: The existing disk label on /dev/sda will be destroyed and all data on this disk
will be lost. Do you want to continue?
Yes/No? yes         
   
(parted) print                                                            
Model: DELL PERC 6/i Adapter (scsi)
Disk /dev/sda: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number  Start  End  Size  File system  Name  Flags
 
(parted)mkpart primary 0KB 500GB
Warning: You requested a partition from 0.00B to 500GB.                   
The closest location we can manage is 17.4kB to 500GB.
Is this still acceptable to you?
Yes/No? yes                                                               
Warning: The resulting partition is not properly aligned for best performance.
Ignore/Cancel? Ignore                          
 
(parted) print                                                            
Model: DELL PERC 6/i Adapter (scsi)
Disk /dev/sda: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number  Start   End    Size   File system  Name     Flags
 1      17.4kB  500GB  500GB               primary
 
(parted)quit                                                             
Information: You may need to update /etc/fstab.                           
删除分区操作为：
rm Number  
然后通过mkfs.ext4进行格式化后 即可挂载