使用gdisk创建GPT 分区，分大于2T的硬盘

admin

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
Partition table scan:
0 B, f/ k& S8 v' w' D: i2 a  MBR: protective
  BSD: not present
5 `. d' L% {7 }0 J  APM: not present
0 i8 M. T2 s* U1 O  GPT: present
- Y# w" B! _" ]Found valid GPT with protective MBR; using GPT.
Command (? for help): ?
  v$ @7 D9 x  w. jb    back up GPT data to a file
c    change a partition's name
( R; I5 x8 O) J2 \d    delete a partition
i    show detailed information on a partition
l    list known partition types
$ l1 D' Z/ f- Q( ~n    add a new partition
: q/ }# x+ ]( ^  ho    create a new empty GUID partition table (GPT)
p    print the partition table
, H! z1 O' ^3 z' J) i  pq    quit without saving changes
" Z3 _) ?% ?) r% d! s2 _r    recovery and transformation options (experts only)
s    sort partitions
$ C6 H2 w$ L, h! a2 ~1 k: U7 G; et    change a partition's type code
! Z+ Z' J+ d$ c3 R( Jv    verify disk
: ^! z0 t  _! d: C( q- U5 v# Iw    write table to disk and exit
x    extra functionality (experts only)
?    print this menu
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
' I3 ^7 I9 z( z0 {+ ]/ `  @5 |3 o. _Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 62914526
, U1 [/ g9 x6 ^Partitions will be aligned on 2048-sector boundaries
1 T: q& \, ]% x$ z- V' H- w8 vTotal free space is 62914493 sectors (30.0 GiB)
" z  @+ m4 [) L6 L3 @Number  Start (sector)    End (sector)  Size       Code  Name
- s# B3 J) {" f- r5 x4 zCommand (? for help): n
Partition number (1-128, default 1): 100
# u, P# J  S# e. G6 H. kFirst sector (34-62914526, default = 2048) or {+-}size{KMGTP}:
7 w2 K- R, X5 K: R0 f6 lLast sector (2048-62914526, default = 62914526) or {+-}size{KMGTP}: +1G         
" e8 y3 l7 q2 i; W  Y1 [Current type is 'Linux filesystem'
* s- h* l: {: r" g* N! _. Q) oHex code or GUID (L to show codes, Enter = 8300):
$ H- `/ ?. p5 G$ a) d1 a& fChanged type of partition to 'Linux filesystem'
. L' V- t! ], A" D% w% gCommand (? for help): p
. x# A" w2 x. W) U' y4 X# L! 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
' ~1 \' |3 u) Q( yPartitions 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
Command (? for help): w
Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
* N  i" B% m+ {' V+ `PARTITIONS!!
Do you want to proceed? (Y/N): y
OK; writing new GUID partition table (GPT) to /dev/sdb.
The operation has completed successfully.
[root@localhost ~]# lsblk
" X# l, Q9 V& R4 J+ ?NAME        MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda           8:0    0   80G  0 disk
├─sda1        8:1    0    1G  0 part /boot
4 I7 C& i- ~7 w& Z& G└─sda2        8:2    0   79G  0 part
  ├─cl-root 253:0    0   50G  0 lvm  /
  ├─cl-swap 253:1    0    2G  0 lvm  [SWAP]
# y) }$ {  W0 ?+ x. q* {, V$ D  └─cl-home 253:2    0   27G  0 lvm  /home
sdb           8:16   0   30G  0 disk
( H1 K5 K: ~* N5 L3 @└─sdb100    259:0    0    1G  0 part
# y8 }; v- C% c( \8 \sdc           8:32   0   20G  0 disk
7 m. f+ B5 S) d+ i& u/ e& _sr0          11:0    1  7.7G  0 rom