使用gdisk创建GPT 分区，分大于2T的硬盘

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大于2T的设备使用fdisk分区已经不可以，只能使用gpt方式分区
[root@localhost ~]# gdisk /dev/sdb
GPT fdisk (gdisk) version 0.8.6
- f9 Y. B* R# _1 L/ s% ?Partition table scan:
  MBR: protective
  BSD: not present
. \4 O* h8 z* B' z  z  APM: not present
* o& P5 }: f* O' i* {# z  GPT: present
" e: s- c( B% e) d' c$ \Found valid GPT with protective MBR; using GPT.
0 n. N3 e! k2 M, X, r: q9 GCommand (? for help): ?
+ n* M5 i" U; ]b    back up GPT data to a file
0 g/ e+ U$ P& H( K/ Lc    change a partition's name
d    delete a partition
1 h$ H3 q& k* e0 c( T& h+ Ti    show detailed information on a partition
l    list known partition types
n    add a new partition
o    create a new empty GUID partition table (GPT)
p    print the partition table
+ P1 v5 I1 \, O5 U7 i* r) Tq    quit without saving changes
r    recovery and transformation options (experts only)
s    sort partitions
2 i; w, t1 a" G* ft    change a partition's type code
v    verify disk
w    write table to disk and exit
x    extra functionality (experts only)
# s" p$ {/ ~+ B$ x) p?    print this menu
Command (? for help): p
Disk /dev/sdb: 62914560 sectors, 30.0 GiB
Logical sector size: 512 bytes
3 S( g5 I& e3 [8 s! b& ^/ A# nDisk identifier (GUID): 0C46C34F-DB4A-4E3A-8D8B-EE2D49F2027A
6 w% s8 U3 Z* b' b2 u. a, }Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 62914526
Partitions will be aligned on 2048-sector boundaries
" E+ V5 v4 z+ b( Y5 ?1 D- w7 RTotal free space is 62914493 sectors (30.0 GiB)
Number  Start (sector)    End (sector)  Size       Code  Name
Command (? for help): n
Partition number (1-128, default 1): 100
! N- q- P8 z2 MFirst sector (34-62914526, default = 2048) or {+-}size{KMGTP}:
9 T7 l# V) E$ |/ a% _Last sector (2048-62914526, default = 62914526) or {+-}size{KMGTP}: +1G         
* K# X0 H* T! g! C9 M& pCurrent type is 'Linux filesystem'
Hex code or GUID (L to show codes, Enter = 8300):
Changed type of partition to 'Linux filesystem'
, }1 Q' r7 g% }Command (? for help): p
Disk /dev/sdb: 62914560 sectors, 30.0 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 0C46C34F-DB4A-4E3A-8D8B-EE2D49F2027A
/ D% C6 n6 g2 O2 q! IPartition table holds up to 128 entries
First usable sector is 34, last usable sector is 62914526
7 o0 e0 P; s8 z3 ^( `. m; HPartitions will be aligned on 2048-sector boundaries
Total free space is 60817341 sectors (29.0 GiB)
Number  Start (sector)    End (sector)  Size       Code  Name
100            2048         2099199   1024.0 MiB  8300  Linux filesystem
# d/ Q" J/ E, D/ E- D0 NCommand (? for help): w
0 k9 @! f6 t% }Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
/ C9 ?$ ~1 d, A2 j3 k; O4 N) wPARTITIONS!!
Do you want to proceed? (Y/N): y
OK; writing new GUID partition table (GPT) to /dev/sdb.
. z% X, Y9 ]1 {The operation has completed successfully.
[root@localhost ~]# lsblk
NAME        MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda           8:0    0   80G  0 disk
├─sda1        8:1    0    1G  0 part /boot
└─sda2        8:2    0   79G  0 part
  ├─cl-root 253:0    0   50G  0 lvm  /
  ├─cl-swap 253:1    0    2G  0 lvm  [SWAP]
  └─cl-home 253:2    0   27G  0 lvm  /home
) C/ x: E/ f2 wsdb           8:16   0   30G  0 disk
4 U- t" {; ?2 {0 W+ H2 ^└─sdb100    259:0    0    1G  0 part
sdc           8:32   0   20G  0 disk
& n# K, ~2 Z4 k( G3 K- @& msr0          11:0    1  7.7G  0 rom