[root@local ~]# fdisk /dev/sdb

WARNING: fdiskGPTsupportiscurrentlynew, andthereforeinanexperimentalphase. Useatyourowndiscretion.

Welcometofdisk (util-linux 2.23.2).

Changeswillremaininmemoryonly, untilyoudecidetowritethem.

Becarefulbeforeusingthewritecommand.

Command (mforhelp):

[root@local ~]# gdisk -l /dev/sdd

GPT fdisk (gdisk) version 0.8.6

Partition table scan:

MBR: not present

BSD: not present

APM: not present

GPT: not present

Creating new GPT entries.

Disk /dev/sdd: 10485760 sectors, 5.0 GiB

Logical sector size: 512 bytes

Disk identifier (GUID): 5ECA06B5-A105-4DCB-B6DD-96A13D0C1A93

Partition table holds up to 128 entries

First usable sector is 34, last usable sector is 10485726

Partitions will be aligned on 2048-sector boundaries

Total free space is 10485693 sectors (5.0 GiB)

Number Start (sector) End (sector) Size Code Name

[root@local ~]# fdisk -l /dev/sdc

Disk /dev/sdc: 5368 MB, 5368709120 bytes, 10485760 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes　

[root@local ~]# gdisk /dev/sdc

GPTfdisk (gdisk) version 0.8.6

Partitiontablescan:

MBR: notpresent

BSD: notpresent

APM: notpresent

GPT: notpresent

CreatingnewGPTentries.

Command (? forhelp):

Command (? forhelp): ?

b    backupGPTdatatoafile

c    changeapartition'sname

d    deleteapartition                    #删除分区

i    showdetailedinformationonapartition

l    listknownpartitiontypes            #列出分区类型

n    addanewpartition                    #添加新分区

o    createanewemptyGUIDpartitiontable (GPT)

p    printthepartitiontable                #打印分区列表

q    quitwithoutsavingchanges            #不保存退出

r    recoveryandtransformationoptions (expertsonly)

s    sortpartitions

t    changeapartition'stypecode        #修改分区类型

v    verifydisk

w    writetabletodiskandexit            #保存退出

x    extrafunctionality (expertsonly)

?    printthismenu　

Command (? forhelp): n

Partitionnumber (1-128, default 1): 1         #输入分区编号，默认为1，因为是/dev/sdc硬盘的第一块分区。

Firstsector (34-10485726, default = 2048) or {+-}size{KMGTP}:         #输入扇区的开始位置，选择默认即可，也可手动指定。

Lastsector (2048-10485726, default = 10485726) or {+-}size{KMGTP}:+2G     #输入扇区的结束位置，当然一般都是指定磁盘大小，这里输入+2G表示新分区大小为2G。

Currenttypeis 'Linuxfilesystem'

HexcodeorGUID (Ltoshowcodes, Enter = 8300):        #指定文件系统，默认即可，分区完成后可以修改。

Changedtypeofpartitionto 'Linuxfilesystem'　

Command (? forhelp): p    #查看分区列表

Disk /dev/sdc: 10485760 sectors, 5.0 GiB

Logicalsectorsize: 512 bytes

Diskidentifier (GUID): 428D4D72-0C16-4AD6-80A3-7BCACED6F40C

Partitiontableholdsupto 128 entries

Firstusablesectoris 34, lastusablesectoris 10485726

Partitionswillbealignedon 2048-sectorboundaries

Totalfreespaceis 6291389 sectors (3.0 GiB)

NumberStart (sector) End (sector) SizeCodeName

1 2048 4196351 2.0 GiB 8300 Linuxfilesystem    #看到分区已经添加成功　

Command (? forhelp):w

Finalcheckscomplete. AbouttowriteGPTdata. THISWILLOVERWRITEEXISTING

PARTITIONS!!

Doyouwanttoproceed? (Y/N):    y

OK; writingnewGUIDpartitiontable (GPT) to /dev/sdc.

Theoperationhascompletedsuccessfully.　

[root@local ~]# mkfs.xfs /dev/sdc1

meta-data=/dev/sdc1 isize=512 agcount=4, agsize=131072 blks

= sectsz=512 attr=2, projid32bit=1

= crc=1 finobt=0, sparse=0

data = bsize=4096 blocks=524288, imaxpct=25

= sunit=0 swidth=0 blks

naming =version 2 bsize=4096 ascii-ci=0 ftype=1

log =internal log bsize=4096 blocks=2560, version=2

= sectsz=512 sunit=0 blks, lazy-count=1

realtime =none extsz=4096 blocks=0, rtextents=0