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
+ u5 r, ^+ w( J! t3 w[root@localhost ~]# gdisk /dev/sdb
2 k4 t" V( I* m  V/ T8 [$ `GPT fdisk (gdisk) version 0.8.6
Partition table scan:
( \/ D! R! d# i4 T  MBR: protective
7 J( C3 k* |, |! x* i. b# J5 ?  BSD: not present
  APM: not present
) V  I- g7 [5 F. E# {! Z- k) C# w  GPT: present
Found valid GPT with protective MBR; using GPT.
Command (? for help): ?
  I! A2 I. a/ I+ cb    back up GPT data to a file
c    change a partition's name
3 q" o3 k) p, n0 b% F$ kd    delete a partition
$ h2 n; u& O0 E' |# ^i    show detailed information on a partition
. |8 T/ ]' X% ~% a8 nl    list known partition types
& S1 o  G+ H& C; cn    add a new partition
4 y- I! b/ m  W- b( j& bo    create a new empty GUID partition table (GPT)
& A" {, @  v( f) n, Y) \& E; qp    print the partition table
q    quit without saving changes
( _4 k. t' [$ s( i  x! F# h; B: zr    recovery and transformation options (experts only)
1 \) U/ P5 Y3 A% }# ]% Fs    sort partitions
t    change a partition's type code
" ^2 g3 H- {! c+ F* S& v% Lv    verify disk
8 _' R: ?0 Y& t4 W5 ^' M8 tw    write table to disk and exit
9 ~# r- T) T$ D9 H; v7 C3 ]/ Yx    extra functionality (experts only)
?    print this menu
. [+ f% {( L$ ?+ l+ Z1 V# [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
9 N( h/ m5 N7 A8 h6 aPartition table holds up to 128 entries
First usable sector is 34, last usable sector is 62914526
" V; l- H9 M8 S5 ?$ M- E: x/ Y4 EPartitions will be aligned on 2048-sector boundaries
8 F: q3 }4 o: W( L0 aTotal free space is 62914493 sectors (30.0 GiB)
6 b7 b" I, D% k9 UNumber  Start (sector)    End (sector)  Size       Code  Name
" R7 L5 S% `$ q# s6 H  iCommand (? for help): n
# Q. F$ T  _, y* S* L7 f+ rPartition number (1-128, default 1): 100
First sector (34-62914526, default = 2048) or {+-}size{KMGTP}:
Last sector (2048-62914526, default = 62914526) or {+-}size{KMGTP}: +1G         
. k+ d! L: q# B" J- V  V5 ~2 BCurrent type is 'Linux filesystem'
* I6 a* U1 E. F/ y# VHex code or GUID (L to show codes, Enter = 8300):
% x1 ^' K& P: T+ [, ZChanged type of partition to 'Linux filesystem'
, `0 k9 d% t6 T5 W# J8 [Command (? for help): p
Disk /dev/sdb: 62914560 sectors, 30.0 GiB
Logical sector size: 512 bytes
& i8 f. D7 E  W+ @" h2 UDisk 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
& u$ O7 P9 A) wTotal free space is 60817341 sectors (29.0 GiB)
Number  Start (sector)    End (sector)  Size       Code  Name
2 f1 O$ [6 P; c2 [. q 100            2048         2099199   1024.0 MiB  8300  Linux filesystem
Command (? for help): w
/ `# e  \- l) W- ]& H( O% MFinal checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
9 n+ o4 q! H+ s3 pPARTITIONS!!
) x5 }) [' L, [8 S, YDo you want to proceed? (Y/N): y
9 B4 f1 c0 P* L( ]8 T1 jOK; writing new GUID partition table (GPT) to /dev/sdb.
The operation has completed successfully.
2 c) U0 k2 S. ^4 g& b[root@localhost ~]# lsblk
NAME        MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
* B7 j; G' R, E: Q& ?4 @sda           8:0    0   80G  0 disk
├─sda1        8:1    0    1G  0 part /boot
└─sda2        8:2    0   79G  0 part
9 _0 b* P) q% }; J" U9 ^6 R1 B  ├─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
8 P+ a' p8 m2 bsdb           8:16   0   30G  0 disk
% Z0 v  w. U  q! I' n! h$ ]. {7 _└─sdb100    259:0    0    1G  0 part
- j# ?) y+ g% G) n/ j8 n# I" |sdc           8:32   0   20G  0 disk
sr0          11:0    1  7.7G  0 rom