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
% b. _8 J2 b+ q) X[root@localhost ~]# gdisk /dev/sdb
7 j% t) |- W) I! N) t/ i8 k  w6 uGPT fdisk (gdisk) version 0.8.6
Partition table scan:
  MBR: protective
  BSD: not present
  APM: not present
  GPT: present
! ~5 |4 N+ |, q% f# `Found valid GPT with protective MBR; using GPT.
* A* k: F+ N" P  x5 ?% QCommand (? for help): ?
b    back up GPT data to a file
c    change a partition's name
9 _! L7 t0 {" H( V# Md    delete a partition
i    show detailed information on a partition
l    list known partition types
. p! k: U8 L* g. S4 R/ x( Ln    add a new partition
5 R% [  `9 v) L5 x+ y" ^# fo    create a new empty GUID partition table (GPT)
+ k) }% M4 o+ W2 J, t( Ip    print the partition table
3 Y: T7 v2 X. R6 c# a: s4 V( Lq    quit without saving changes
; m0 ]0 U" \- l3 `: o& k. Gr    recovery and transformation options (experts only)
, \' Q% {* d: }s    sort partitions
t    change a partition's type code
; Y, W5 ~8 }- r: z" g# J; Kv    verify disk
7 j( Y# U* \- B. dw    write table to disk and exit
5 G; ^* [2 d& h+ a) C7 Qx    extra functionality (experts only)
?    print this menu
Command (? for help): p
Disk /dev/sdb: 62914560 sectors, 30.0 GiB
, d" q9 q% v  C( QLogical sector size: 512 bytes
/ v* K) i0 B6 N9 a( u3 n% L. sDisk identifier (GUID): 0C46C34F-DB4A-4E3A-8D8B-EE2D49F2027A
3 h1 e, i% S2 V5 Q( m1 ~* WPartition table holds up to 128 entries
First usable sector is 34, last usable sector is 62914526
. D7 [( K# o& A% \, rPartitions will be aligned on 2048-sector boundaries
Total free space is 62914493 sectors (30.0 GiB)
Number  Start (sector)    End (sector)  Size       Code  Name
9 r5 u5 o7 h5 P( w8 sCommand (? for help): n
Partition number (1-128, default 1): 100
First sector (34-62914526, default = 2048) or {+-}size{KMGTP}:
. G& x0 d3 ?5 W. ]Last sector (2048-62914526, default = 62914526) or {+-}size{KMGTP}: +1G         
+ T  P: {  q& A4 w. M5 cCurrent type is 'Linux filesystem'
! A9 H' z0 T+ V1 }0 g# B1 yHex code or GUID (L to show codes, Enter = 8300):
3 q/ m$ b' {0 U# g2 R4 HChanged type of partition to 'Linux filesystem'
Command (? for help): p
) E# F( d2 l" Z9 ^. J+ S/ 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
First usable sector is 34, last usable sector is 62914526
, \$ W0 I  H5 ~  C! [4 hPartitions will be aligned on 2048-sector boundaries
8 K! m" S9 [9 Y2 [1 cTotal free space is 60817341 sectors (29.0 GiB)
" j5 i; _- y5 X+ H: ^; o1 L. F$ t$ s" PNumber  Start (sector)    End (sector)  Size       Code  Name
100            2048         2099199   1024.0 MiB  8300  Linux filesystem
Command (? for help): w
Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
5 O4 U3 S7 D( f# T5 q" ]! K+ _PARTITIONS!!
Do you want to proceed? (Y/N): y
( s4 N3 A: `. m" `& ]OK; writing new GUID partition table (GPT) to /dev/sdb.
7 H& z3 u& Y0 ^8 {* SThe operation has completed successfully.
[root@localhost ~]# lsblk
NAME        MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
" J. W5 P# L8 i1 Lsda           8:0    0   80G  0 disk
* ^( K% [0 `- a2 S* V  J├─sda1        8:1    0    1G  0 part /boot
6 W% w* W' ]# W└─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
sdb           8:16   0   30G  0 disk
└─sdb100    259:0    0    1G  0 part
sdc           8:32   0   20G  0 disk
5 K4 }$ ^9 R3 h* ^! ?4 hsr0          11:0    1  7.7G  0 rom