linux磁盘分区操作.docx
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linux磁盘分区操作
磁盘检查以及分区
[root@zgh-xypt-server9~]#fdisk-
[r&Qt^zgh-Kypt-server9*Jf£石
■k/dev/via:
53,7GB,S36B7091200bytesW*Tiead3T63sect&rs/crackr104025cylinders
Units=cylinderaof100£*512=516096bytea
5ectorsize（logical/piiyaicai）:
512bytts/512bytesI/Oaize（miniinujn/cpciiudl）-512bytes/512byteaDiskidentifier!
OxOOOc«4ie
Devi_CE
Boot
Start
End
Blocks
Id
System
/cLev/vcial
*
3
ioie
512000
E3
Linux
Partition
1
docs
notendon
cyllnd-er:
boundary^
/dev/vda2
ioie
LQ402S
5191577£
险
Linux.LVH
Partition
2
notsndon
cylinder:
boundary.
Disk/dev/vdb:
52£.^GB,536S70913000byte3
16heads,63gectors/tract,1040253cylinders
Units=cylLndersol100G*512=51609£bytea
5€ctorsize（logical/physical）:
512byt«s/512bytes
1/0size（minunuiru'DpDimal）:
512bytes/
512byres
Diakidentifier：
CxfIb4c2cb
WtLgw耳口0匸伽匸匸
hnd
Id.
5何弧
/dev/vdbl1
936230
471859800+
£3
Linux
Disk/dev/mipper/VolGroup-Lv
rooDi49.1
GBf490£49£8192
bytes
255heads,63sectozcs/track,5965cylind已r?
s
Units=cylindersof160^5*512=62252B0i>yt；e3
5ectorsize（logica1/physical）:
512byt-es/512byxesI/Osize（ininiinuin/cptiiiuil）:
512bytes/512byteaDiakidentifieri0x00000000
Diat/dev/mapper/VolGroup-Lv_swap:
4093HB*4093€40704bytes255heads,S3aectoxa/track^497cylinders
Units-cylindersof150*65*515-6255260bytes
Seetorsise（1cereal/physical）:
S12bytes/512bytes
1/0aize{n^nurcurb*optima1）:
512bytea*S12bytes
发现Disk/dev/vdb剩余空间比较大，可以用来分区后挂载为应用磁盘
536.9GB,536870912000bytes
进行分区，[root@zgh-xypt-server9~]#fdisk/dev/vdb
n新建
1•出现输入光标，输入m是查看有哪些指令，因为明确要新增磁盘所以：
输入
[r□Dt&zgh-xypt-server9町*fdiskZdev/v<
ffwitctioffthenicKie（command'c1Jandchangedisplayuni匸目to
sectors（ccmand
Command（mforhelp）:
n
Comnandaction
eextended
pprimarypartitian（l-4>
P
PartiDionnuicber（1-4）:
1
Firstcylinder（1-1G40253Jdefault1}:
1
Laatcylinderr4-cylindersor+3izE{KrHrG}（1-1040253,default10402S3>:
+450G
Thepartitiontablehas吐已naltered!
Callingiocti（）tore-readpartitionSyncingdi3k^+
2•选择基础分区还是扩展分区，因为此磁盘未做过分区，最好先做基础分区。
输入p：
[root?
zjh-Kypt.-serveTl9,~1*fdigt/dev7v.it-
HMKI1IG:
DOS-compBtLtolemodeladeprecated.I^*sstronalvrecomeadedtoawzt~hZhffthemcrffet匚□nmnir龙1c1）andchangedisplayiulx-s*caect-DrsicDunard'口rJ.
斑Tuitionnumber（1-4）:
1
First,cylinder{1-1D40253Jdefault；1J:
1
laatcvlinder,-=YlLix3er5cr+日二归创（1-LC40253*default1X47253】：
+45OS
CDTurandi'inforb^Ip）:
E
Thepirtivlont-i&Iet己3beenaltered!
CaLljrii^ioctl{>toje-Ttidpartition.
synmigdl^rs.
3•选择分区的序号，一共只有四个，可以选择序号1的分区号作为基础分区，输入1：
[rool@2jgh.-Jtypc-ierve19#rdLak
WU1N2NG:
EC'S-zQfi^aELbleEjcde二日deprecaLt^d*Ifaatrong-lyTec™oei^iE!
-dtoavitchofftheRc-de[cosm^nd*7、andeh&roedIsolasimtsto3£CWTff（2&wana"u11*
CoriMiis（fiforhels].：
n
Ccsnund&ctioa
eex"endj*d
pprLMLEYpareLXIM
p
Partiti-onnuni&er（1-4）t1
rylinder（1-1040253,default1）:
1
LestcsfliELder^+cylLudersnr林迄槽JIG札创（1-1040253^default1040253）:
HSQG
CcmiMnc（dforhelp];W
7beparvi^iemtablehasbe它口altered!
Call-noioctKltore-rsadpartitiontaJble^syncingaisi£3-
4•选择磁柱cylinder从哪个部分开始，本次选择从第一个磁柱开始：
输入1:
[root&zgh-xypt-server?
”】*fdisk/dev/vdi?
HARNING:
DOS-cangpatiblenaodeisdeprecated.Ithsationglyrecominendedzoswitchoffthemnde（cooiinajid）andchangedisplayunitscdsectors（cDumand'u1J.
Comniand（inforhelp）:
n
Comniandaction
eextended
pprimarypartition（1-4（
P
Partitionnumber（1-4）:
1
Firstcylinder（1-1040253,default1}
Lastcylinder.,^cylindersar+3i2e{K,MPG]（1-1040253,default10402S3）;+450G
Command（lbforhelp）:
K
Iliepartitiontableha3beenalt已red!
Callingiocti0tore-readpartitiontatieSyncingdisks.
5•选择磁盘空间，单位是K/M/G，本次选择为450G,输入+450G:
WARNING:
DOS-compatiblemodeisdeprecated.It'sstronglyreconmendedtoswitchoffthemode（cDininand'c'）andchang-edisplayunitstosectors（comnanii"uq*
Comand（mforhelp|:
n
ComandAccion
eextended
ppTtmarypartition（1-41
P
Partitionnmhbec（1-4）:
1
Firstcylinder（l-1040253Hdefault1J:
1
Lastcylinder,^cylindersor+3ize（K,M,G}{1-1040253,default1040253>:
+450G
Comand（mforhelp）;W
Thepartitiontablehaabeenaltered!
Callingioctl（）t-Dre-readpartitiontable.
Syncingdisks.
6•所有操作完成后，进行保存，输入w：
[root&zqh-x^pt-server9-]ifdisr/dev/vdb
HARDIMG:
DOS-compatiblemodeiadeprecated.It'sstiongiyrecoinMndtdtoswLuchoffthemod亡（commaadTc'）iiadchangedisplayunitstoaettflts（CDOdnaiLd
Comnand（mforhelpl:
n
Comnandaction
eExtended
pprimarypartttiou（1-4）
Callingioc^1{）!
:
■□re-readpartz-tiontable.Syncingdisj£3.
/dev/vda;53.7GB,53667051200Lytea
16heads,S3sectors/trackr10402Scylinders
Unius=cyli
升级会员 