linu不重启主机添加磁盘示例

1、Linux系统不重启动系统添加磁盘范例:此范例是利用VMware安装系统测试本次测试其实只是刷新了系统本地的SCSi路径，通知系统内核我们添加了一块磁盘信息而已，为涉及什么高级的东西；1. fdisk检查本地磁盘信息；圍myscl_test01 - Secure CRTFile Edit ViewOptionsTransfer Scr pt I ools HepiB的屈毛*号酸1 vLast login: jooxSTestJi r ootsies vjirJun 9rd fskoy： h4-irroin 192.lbt.Disk /dtv/stid. 42. 9 SB, 42 9496729

2、60255 headst 63 sectors/track, 5221 cyl 1ndersUnits - cylindcrs of 1606S * 512 - 8225280 bytes Sector size (logical/ijlTysical); 512 bytes / 512 bytesI/O si ze (uini mum/optimal): 512 bytes / 512 bytes Disk identifi er: OxOOC78aD2Device Boot /dov/sdAl * Part itinn 1 do?s /dev/sda?Startnot Fnd nn &4E

3、ndelccksfi451?tX0ryl i nd pr bou ntiary.S2?241430016id System 的 I imixBe I i nix L VNDisk /dev/mapper/vg_testOL-lv_root: 38.2 GB.byt电s255 heads, 3 sectors/track* 4647 cylindersUnits - cylinders of 1606i * 512 - E2252&0 byiesSector size (logical/physical)： 512 bytes / 512 fcytesI/O si2e (minimum/opti

4、1); 512 bytes / 512 bytesDisk 1 dentiti er: Uxl3L：ODOJ CD/DVD (DE)正在th用文甘 E:lS0Cent0 5r4i.6-K.強隅i昭器MATEljsbB扇卡內存渚宜湘險卜临IQ础肋匸章*內存尢1业顶阳比虛摊1油1内寺（叫:V : WIE3閒2GB .1G64J毅黄崖论冋洋512MC勺瑶曰馱小可旋 賄祇曙:235 ME3900 MB12SMB囚建內存MM6LD24 PIB32 MB口建镇曲最厲冋樣ft惑戒存15 Mfi512 M33 MO斗MP 婀先关闭田队机，甘做曲低內寿更4丨辆J3.添加20G磁盘;內存 口船幣：臥貶盘：5C5I

5、：CDDvT： IE：鱼隅适削器梓別云/強斗im St-S晦文件CntOS M位胡片厲认2n GB正在诧用文件 E;ISOCento 5-6.5-k.N L.T存狂自跚之刑白晰翅I寿前匕、；3.2 Mt茎编可罔空间.31?-5 5?蛀大文小：3&CB庇盘信每丰剛血削码麵建空朮 潯羊内詳緒坯务卜宏貼申。来冃T4N(H高的*sfetafAU.确定羽港 .帮羽4此时系统并未识别到磁盘，与第一张图相同;弋慣 myscl_te&01 - Secure CRT- nXilt Edit VitwOptions TransferSer pt I ocls He-p因G 通囲I订巨爲呂雪鑒了丨釦生壬I rnyB

6、ql.tEt 匚 1Disk /dev/mapper/vq_cest 4647 cylinders units = cyl -inders of l06 * S12 = 822 5280 bytes Sector size (logicaIZphysicalJ! 512 bytes / 512 bytes I/O siae Cm1m num/optimal): 512 bytes / 512 bytes Disk Identifier: OxuouuOC plsk /dev/fnapper/vg_te$iOL-lv_sap: 4194 mb, 41M304QOO bytes255 heads.

7、 63 sectors/track. 509 cylfndersUni tr = cyl ifiJtii of 1C0C5 * 512 - 82252&G byLeiSKtor size (logiLdl/|jhybil: 512 bytta / 512 LyitiI/O si ze fuinimum/optimal): 512 bytes / 512 bytesDisk identifier: OxOOOOOOOQroot&Testlll J# fdisk -1Disk /dev/sdAf M. 9 GB, 12949672&60 b/tes255 heads, 63 sectors/tri

8、ckt 221 匚ylindersUiriTS = ryl inrfpr q of* SI 7 =鼻hyrSector sizp (logical/physicalJ: 51? bytes / 512 bytesT/0 si7e Cutnimum/optimal): 51? bytes J 512 bytes Disk identifier: 0 x00078aO2iniLaMETl:TmDevice /dev/sdal Partition dev sda?Boor-*1 doesstart1not nd on64End64Blocks 512COO cylinder boundary.522

9、2 414BD0LCid83Besystem LiruxLirux LWDisk /ciev/mapper/vg-testOl-lv_root: 38.2 GE,Dytes255 heads( &3 secxors/rrack, 4647 cylindersun1is = cylinders of 工右。打,ft - 呢252盹 bytessector size (logical/physical); ,12 bytes / 512 Lytesi/o si;e (m1nf muni/opr Imai) : 51J bytes / 512 byresDiik i denL i f i er*;

10、OaOOOOOOOODisk /deY/miippcr/vg_cc5t01 1 v_iap: 41M MD t lMJMOQO b/tcs 255 head, C3 sectors/trackt &09 cyHnderwUnits - cyl dinders of 1606S * S12 - 322528C bytesSector 5 i ze 1Ogi cal/physi cal: 512 bytes / 512 bytesI/O si20. Ciffnimurti/optimal): 512 bytes 512 bytesDisk idpntifi: OkCWOOOOOOrrnntTPst

11、ni #Readyssh2： AES-.256-C 45. IB 45 RowSi SO Cols VT100CAP NUM5.我们进入hostO目录执行命令；命令： cd /sys/class/scsi_host/host0/肩 myscljte5lOl - Secu reCRTFile tdit View Opbori LraritferSen pt Tools Htp倒因i辺矽I虫血as孑屉呂i?裁Fl釦凰mI mjrsqltestCllun-iis - cylinders of 1CO * 512 = 8225280 byies5ecror size (log! cal/physic

12、扪；512 bytes / 512 bytesI/O size (ifini muin/opt-imal) : 512 bytes / 512 b/tes Disk identitier: 0 x00000000LrootMestJl -J# fdlsk - 1Disk /dev/sda; 2.9 gb.躯兴西九卿q Uyre5255 heads, C3 secrors/rrack, szzi cylinders units = cylinders of 16065 * 512 - S2252&0 byitj. Sitttu si (logiLdl/|jhyiiLal)；I/O sf (min

13、inum/opL inidl): Disk 1dentif1 er:51Z0 x03078*02512 bytei / 512 bytc bytes / 512 byteiDevni ce Boot /dev/sdal * Partition 1 /dcv/sda2StarTnot nd an6AEndBlocks64512000cyl ind&r boundary.52224143COL6id System2 Li ruxBe Lirux LVMDisk /dpv/nflpppr/vg.rfliTOI -lv_rmT :38.7 GR p 驟7并斤砧石 hyTS755 hpds, serto

14、rs/Trark, 4647 rylindprsuMts = cyl-inders of 1605 * 512 = 82252&0 bytessector size (logical/physicalJ: 512 bytes / 512 bytesI/O size (m5nimuni/optimal): 512 bytes ! 512 bytesDisk identifier: OxOOOOOO&ODisk /dev/Tiapper/vg-testOl -1v_sap: 4194 ME a 41M304000 bytes 255 heads, tJ sectors/track. 509 cyl

15、Inflersunits = cylinders ot lfcObi !12 = M225ZSC bytes secror size (logical/phystcal: iiz byres / ,12 tyresI/O s1 ze fillni mum/optImai); 仇E byres /，丄2 byres1 QFiirfffrcwLT rootlestOlI acti vc_modcI bo ar : cP 1 I boar d_rane I board_tracsrHcan_quu?rnrl_ppr_l un rcnWTztdlJ# _d efault version_nvdara_

16、persistent version_produtTsq_Tablesize state siiisysTen supported_fnode uev电nthostOJ# hosxo hO5t0；# liobLO# tiusiO# hslOj# hojiO # hostO * hostol # hostO #board_as&emtjly board-nan已 bgr d_tracer can_quue cnd_per_l un rootTestJl rooxiestDi /ootjiesTJj trooLieiL3i joac-iesLOl ooLTeiLOl jootTestOl jooW

17、TestOl rootTest31D-isk /dtlv/sda： 42. 5 GE255 heads, E2 sectors/track units r cylindars of 160 1 spctnr S17P T/O S17F (rpDnsk -j dprrti2945672060 5221 U12 =: Gogical/physicalJ: SI7 ninum/optimal): 51? byt 2r： OxrX078a02Device Boor /dev/sdal parririon 1 do5 /dev/sda?Disk /dev/mapper/vg_testOL-l Y_iwa

18、p; 4194 MDT M1943M000 bytes 255 Ivudsi 63 sectors/track, 509 cylindersUnits - cylinders of IbOGi * 512 - 8225280 bytes sector si ze (1ogical/physi calJ: 512 bytes / 512 bytesI/O si ze (n4nimum/optimal): 512 bytes S12 bytesDisk identifier: 0 x00000000Disk /dev/mapper/7g_tesTOl-1v_root: 38.2 GE,bytesZ

19、iS heads, tn sectors/tra匚Ic, 4t47 cylinders uniis cylinders of* iiz - 8Z252SC byressector size (loglcal/physicai; 512 bytes / 51Z tyr5 i/o slit (ulnlmum/optimal): 血？ byres / 了丄2 bytesDisk 1dentlfier: OaOODOOOOOX為裁cap NUMHit Edit Vitw Opbors Lrarisfw Scnpt Tools Hep7.执行命令echo -“- ” sc，注意：三个横线中间是要有空格的

20、;圍 myscl_te&01 - Secure CRTnXHit Edit Vitw OptionsVan if erScript Tools He-p也髯1 GJ二滋益lJ蛋巒?釦secror size noqical/|：hysi cal); 512 b/tes / 512 byte5I/O siae (mim muin/optimal) : 512 bytes / $12 bytesDisk icentif1 er: 0 x03000000root&TestOl rootMestDl rooxJestai rooiesrJi scanhostOJ# echo -hostOJ#noswj#

21、ho5taj# fdisk： -iDisk /dev/stla: 42. 乂，4294&672960 bytes 255 headi , C3 iEttor i/Lr tiLk, 5221 yl i ndet b Units cyl if Kiers oT 1C065 * M2 sector size (logicalZphysica): x/o si ze (itini muHi/apt-imal):Disk itentif1 er:51?OxODC78at)2 82252S0 byLtts512 bytes / 512 bytes bytes /DOvieft Boot /dcv/sdal

22、 * Partition 1 /dv/sria?EtarrEndElocks6A512000cylinder boundary.S7?7fird systemB3 Li ruxDisk /dev/mapper/vg_testOl-lv_ro0t: 38.2 GB 3S226886CS6 bytes255 heads, 13 sectors/traclc,斗647 cyliridersUnits = cylinders of 16065 * 512 = 82252S0 bytes sector size (logical/physical): 512 byres / 512 fcyresI/O

23、si ze Cninimuni/optiinaI : m bytes / 刃2 bb/tesDisk idenrifier: 0 x000000005 :Disk /fl67/iiiapper/vg_test01-lv_5Vwap: 41M MB, 4194304(X)0 b/tes 255 headsf 殆 secxors/rrack,，四 cylindersuniis = cylinders of 工右。打,ft m - 呢252盹 bytessector size (logical/physical); 512 bytes / Lyiest/o st ;e (m1nf muni/opr

24、Imai) : 51J byres / 512 byresDiik i denti f i er; 0 x00000000Disk /dev/scb; 21. S QC, 2147斗83&1E0 bcs255 hesds, C3 sectors/trackt 2&1Q cylindersUnits - cylinders of 1石OE亍 * S12 8225280 bytesSector 5 i ze 1Ogi cal/physi cal: 512 bytes / 512 bytesI/O si2& Cniffluffl/optimal) : 512 bytes ) 512 bytes Di

25、sk identifier: OkOOOOOOOOrnnriaTpsm host。# |Readytsha： AES-25G-C 45h 2245 Rqw5f 80 Cok VT100CAP NUM8.此处磁盘已经添加完毕，可以进行格式化等挂载情况;圍I rtiyscl_tesdl - SecureCRTilt tdit Vitw Options Lrarisfw Script Tools Htp 倒韻口齟观I电IE厠呂I雷鑒t I OlII rny3qiBt 匚 1Disk Idenrifier: OxOOCCOQCK)Disk /cev/scb: 21.5 GE, 2L474S364B0

26、byres255 heads, 3 sectors/track, 2610 cylinders units cylinders of 16(J6i 512 - 322520 byres secior size (logical/physical): ,12 byres f jiz tyres 1/0 s1se (ulnimum/opcimal): 1Z byres / ,12 bytes Disk 1dentlf i er: OaOOOOOOOOr 5? L 的巴、LX r ooLTeiLOl rootTestOl mlcFifohsL。#hoilD#hostOnkf nikfsnkfsmkf

27、 s lkf orrtscal e mkf S. ext2nkf s. ect4dev mkf s. xf sr&otTestOl hostO # rtkf s. ext4 /dtv/sdb 岭 讥电2他 l.dl.12 C17-May-20LO)fdQv/sdb Se entire dvice not just one partition! rnrpd anyway7 (y, n) y:_il psyc.tpm labpl =Fragment size=4096 Cog=2) stnde-0 blocks# stripe width-0 blocks 110720 inodes, 52423

28、6Q blocks 262144 blocks (5.0030 reserved for the super user First data b1ack=0aximum tiIesysttm blacks=42946/2 9b160 block groupsblocks per group, 32768 fragmerrcs per group ai92 Inodes per group superblock backups stored on blocks;327CB, 9S3Q4, 163MO h J29376, 294912 p +05(000B1920O, 68436, 16O563Z, 26542OS,rtr i t i ng i node tables: dontCrcjiting journal (3276B blocks): doneWriting upcrblock ard f i lesyteri account! nginformation: doneThi S fi 11 esystem wH 11 be. autonat i cal 1 y checkedISO day, whichever can