区分mbr与gpt分区

查看分区类型

[root@localhost ~]# parted -l|egrep 'dev/|Part'
Warning: Unable to open /dev/sr0 read-write (Read-only file system).  /dev/sr0
has been opened read-only.
Disk /dev/sda: 137GB
Partition Table: gpt       #gpt分区
 1      1049kB  211MB   210MB   fat16        EFI System Partition  boot
Disk /dev/sdb: 34.4GB
Partition Table: msdos     #mbr分区
Disk /dev/mapper/centos-home: 25.8GB
Partition Table: loop
Disk /dev/mapper/centos-swap: 13.7GB
Partition Table: loop
Disk /dev/mapper/centos-root: 96.6GB
Partition Table: loop
Disk /dev/sr0: 10.2GB
Partition Table: msdos
[root@localhost ~]# fdisk -l |egrep 'dev/|type'
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
Disk /dev/sda: 137.4 GB, 137438953472 bytes, 268435456 sectors
Disk label type: gpt　　　　#gpt分区
Disk /dev/mapper/centos-root: 96.6 GB, 96636764160 bytes, 188743680 sectors
Disk /dev/mapper/centos-swap: 13.7 GB, 13744734208 bytes, 26845184 sectors
Disk /dev/mapper/centos-home: 25.8 GB, 25769803776 bytes, 50331648 sectors
Disk /dev/sdb: 34.4 GB, 34359738368 bytes, 67108864 sectors
Disk label type: dos　　　　#mbr分区
/dev/sdb1            2048     6293503     3145728   83  Linux

硬盘分区使用分区工具常用fdisk或者parted都行，fdisk交互分区易读性非常高，parted便于在命令行一键操作；对于已经分区过的盘继续分区，使用fdisk会方便许多。