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
3 B+ q' a3 ^' m7 j6 \3 e[root@localhost ~]# gdisk /dev/sdb
GPT fdisk (gdisk) version 0.8.6
Partition table scan:
  MBR: protective
' P* L* l: G% r- i( |4 q  BSD: not present
  APM: not present
  GPT: present
7 U5 C' d6 D" L0 O/ cFound valid GPT with protective MBR; using GPT.
- _  _9 }3 ^- b6 K( OCommand (? for help): ?
$ O, \0 v& {& a0 M* `b    back up GPT data to a file
c    change a partition's name
# d, j' @1 Q3 @& c$ `! j8 Wd    delete a partition
i    show detailed information on a partition
l    list known partition types
n    add a new partition
) b' Y* c- @) l" h' Do    create a new empty GUID partition table (GPT)
p    print the partition table
  c/ g4 j- B# x; R, V4 U0 Kq    quit without saving changes
* S8 S0 C4 B8 _( A* ?2 j2 }5 H6 P7 a0 sr    recovery and transformation options (experts only)
s    sort partitions
t    change a partition's type code
+ w6 R# S* O/ Q+ c4 bv    verify disk
w    write table to disk and exit
x    extra functionality (experts only)
4 K. ^4 u0 d, Y% h3 P7 q?    print this menu
# }/ n0 W  A5 l: j8 v! s/ L  V! y0 l/ {Command (? for help): p
0 `* ]! v; m* C; vDisk /dev/sdb: 62914560 sectors, 30.0 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 0C46C34F-DB4A-4E3A-8D8B-EE2D49F2027A
Partition table holds up to 128 entries
  U3 x% l  [- CFirst usable sector is 34, last usable sector is 62914526
Partitions will be aligned on 2048-sector boundaries
' W; T  g3 E6 E; ]- ~& ?Total 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
( I0 a% ?  P  h3 c+ K8 G4 c' @First sector (34-62914526, default = 2048) or {+-}size{KMGTP}:
Last sector (2048-62914526, default = 62914526) or {+-}size{KMGTP}: +1G         
Current type is 'Linux filesystem'
7 w" H, ?* K  @/ v8 NHex code or GUID (L to show codes, Enter = 8300):
Changed type of partition to 'Linux filesystem'
- J0 X( L: c8 `- T5 X6 A* ECommand (? for help): p
Disk /dev/sdb: 62914560 sectors, 30.0 GiB
3 e: K0 f% [3 L0 m) }1 GLogical sector size: 512 bytes
Disk identifier (GUID): 0C46C34F-DB4A-4E3A-8D8B-EE2D49F2027A
7 I2 g. k8 V7 V* K! K0 n$ ?3 Y0 tPartition table holds up to 128 entries
First usable sector is 34, last usable sector is 62914526
Partitions 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
0 z) V1 P$ ^& I# ]Command (? for help): w
3 f8 _* q# P* E& a! z- P. w, fFinal checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
PARTITIONS!!
Do you want to proceed? (Y/N): y
- `. I4 u0 n! j  X6 o* uOK; writing new GUID partition table (GPT) to /dev/sdb.
( |; w; d- @  j* S' ?' HThe operation has completed successfully.
[root@localhost ~]# lsblk
% m' D: l1 ^6 F/ S/ Z$ G  QNAME        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
2 D$ Q, ~. R" M3 l# W  ├─cl-root 253:0    0   50G  0 lvm  /
0 z6 H  Y' x/ b, Z9 V  ├─cl-swap 253:1    0    2G  0 lvm  [SWAP]
  └─cl-home 253:2    0   27G  0 lvm  /home
8 @7 W& q3 j! E: U- R: U4 g7 Isdb           8:16   0   30G  0 disk
└─sdb100    259:0    0    1G  0 part
sdc           8:32   0   20G  0 disk
sr0          11:0    1  7.7G  0 rom