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
7 V' J4 {: H; D' w[root@localhost ~]# gdisk /dev/sdb
GPT fdisk (gdisk) version 0.8.6
9 {- Z9 O: _0 z6 Z3 K' J# {Partition table scan:
' `7 b, s! A( n8 M9 ~* N& s$ t; ^9 f8 P  MBR: protective
  BSD: not present
  APM: not present
  GPT: present
( b2 Z2 E; J2 |4 SFound valid GPT with protective MBR; using GPT.
Command (? for help): ?
b    back up GPT data to a file
c    change a partition's name
d    delete a partition
i    show detailed information on a partition
/ ~" y; }& ?6 D8 Nl    list known partition types
" ~2 ?6 V+ l8 l0 rn    add a new partition
1 p6 p) m& S9 H: O, B9 lo    create a new empty GUID partition table (GPT)
p    print the partition table
q    quit without saving changes
r    recovery and transformation options (experts only)
2 @/ T! \5 v9 A" r. o4 i' h$ |s    sort partitions
4 i5 d# _4 o8 d# Mt    change a partition's type code
# h1 e- A9 v& W. Av    verify disk
w    write table to disk and exit
x    extra functionality (experts only)
: X) a! e4 w9 m1 l: i/ n?    print this menu
: m) _* O2 r% S8 `2 U: _Command (? for help): p
Disk /dev/sdb: 62914560 sectors, 30.0 GiB
2 |0 M7 B: Z) s7 Q4 r4 OLogical sector size: 512 bytes
Disk identifier (GUID): 0C46C34F-DB4A-4E3A-8D8B-EE2D49F2027A
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
6 Q- v+ q! ]' c& B9 B5 |; mTotal free space is 62914493 sectors (30.0 GiB)
Number  Start (sector)    End (sector)  Size       Code  Name
Command (? for help): n
6 j6 r" x) R: I: D1 CPartition number (1-128, default 1): 100
' q) E- E) ^  l9 G" L+ v' y& o3 e5 jFirst sector (34-62914526, default = 2048) or {+-}size{KMGTP}:
" N$ r# H$ g# Z0 B* }1 G: XLast sector (2048-62914526, default = 62914526) or {+-}size{KMGTP}: +1G         
Current type is 'Linux filesystem'
. o' X. }* @" {4 DHex code or GUID (L to show codes, Enter = 8300):
Changed type of partition to 'Linux filesystem'
Command (? for help): p
( J' d! I: s! q1 X8 FDisk /dev/sdb: 62914560 sectors, 30.0 GiB
8 D4 c8 Y+ A9 W; fLogical sector size: 512 bytes
' Y+ }( d; n% E& n! K# q' DDisk identifier (GUID): 0C46C34F-DB4A-4E3A-8D8B-EE2D49F2027A
7 s' w4 m9 S9 Q8 v0 U7 PPartition table holds up to 128 entries
First usable sector is 34, last usable sector is 62914526
Partitions will be aligned on 2048-sector boundaries
$ f% x5 h8 U, p0 k  @( lTotal free space is 60817341 sectors (29.0 GiB)
' m* v6 S, U. Z! k2 g9 o! ?Number  Start (sector)    End (sector)  Size       Code  Name
$ l7 p: ]! c6 a1 ]$ { 100            2048         2099199   1024.0 MiB  8300  Linux filesystem
Command (? for help): w
5 Z; ]5 S+ @  ?% g" @/ tFinal checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
4 @0 v' {! }8 j8 }9 q# PPARTITIONS!!
Do you want to proceed? (Y/N): y
$ r7 ]8 c, W# k" L- T; N" i2 [3 UOK; writing new GUID partition table (GPT) to /dev/sdb.
The operation has completed successfully.
[root@localhost ~]# lsblk
4 f) S+ Q. j9 v6 ~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  /
6 D- W1 j. Z2 v1 ~4 {( z% F( u  ├─cl-swap 253:1    0    2G  0 lvm  [SWAP]
  └─cl-home 253:2    0   27G  0 lvm  /home
# b' M9 }# `6 ?sdb           8:16   0   30G  0 disk
4 @1 C. D1 ~6 Q) }7 e└─sdb100    259:0    0    1G  0 part
' Y2 ]. X4 w! `; Nsdc           8:32   0   20G  0 disk
3 N5 B. l, R- t# m2 U% w" I# i2 `sr0          11:0    1  7.7G  0 rom