redhat7.3多路径配置多路径配置主要步骤如下:1. 查看是否安装多路径软件包rpm -qa|grep device-mapper[rootfjlocalhost 勒 rpm -qa |grep devica-fliApper device-aapper -1.62.135 * i * el 7.x86_64 drvir?-mpp«'r iftultipath libs 3 .0-99.^17 . vS6_64 device-upper pe nslstent - data -0.6,3-1. tfl7. xfi5_64 device-sapper -multipath ■ & + 4 占-99 ・ el.7.xe6_64 devlce^HApper -llbS-1,82335 -1 -fl!7.xS6_64 device-Mappc r event ■ 1.02 J 35 1.e!7< device-«pper -event -llbs-1. G2.135 * 1 »e!7. x86_6^2. 如果系统没有安装多路径软件包，使用 yum 安装yum in stall -y device-mapper device-mapper-multipath3. 生成多路径配置文件mpathconf --enable说明：生成配置文件是/etc/multipath.conf4. 启动多路径服务service multipathd start 或 systemctl start multipathd.service5. 查看多路径服务状态service multipathd status 或 systemctl status multipathd.service[rcotflocAlhoftt ««rvlce nultipathd it At LA Redirecting to ,rf bin/systBKtl status Multipathd ■肓Qmix 軒 multIpathd _a? rvice - DE¥ice-*sp 匚包IT M LJ ITipath De J lcLont rslIerLoaded: loaded (/ussysiam/iiLiltlfnathd h M rvleaj ； anabiladl; rtcidor prM«t: 4nabl4d] Active: ，「小 (r M .m: tine* T M 2GL7-36-29 U:S0:2L CST; 42min *g& P FQCKE :En ：!QcStart=/£[34-n/nLjltCEadQ=4x.itad r st at Lr&^Oz SUCCESS)Proems ： 1929 E■ K St4rtPr (-s/5bLn/mul11 path -A 1：“*之时"6 StatU&=e/Sl>CCESSI Protfrsas 1813 E«ee St A rrPr# -； sbLn/»adp robe dmimultipaTh •: £*d«-*xlT*d P ar EXCESS)Miin PIO ： 1026 (wltlp«thd>CGroup: /systeir ・slics/njl.11 pathu r senlc@IBffi /stjin/nijltlpathd6. 创建多路径开机自启动服务systemctl enable multipathd.service7. 查看HBA 的WWNA LHJ 29 "l&calh&it .localdMain Aug 29 ] 3:5G :22 1 alh«t.I ac aldonain 2? <9 13:5d:22 1 ocal host a I al domain Aug 29 13:58*22 localrMMt .lacaldMain Auq 29 3 3:50:72 "loc«i"lh»t .locaTdo«<iiJnA L -3 29 扁：5&:22 T,g<alhwtB IocalOcw-aln Aug 29 13: 58*22 Al host. 16c AldonsinAug 29 13:53:22 locAlh&GT .localdMialnAug 29 13:59:22 iMalhost .localdaoain Auq 2B 13:56:22 1 oc al hKt. I oc aldomain Haunt: $@<i* I LIW •iiiDsizMi l i uw tue¥tillt]lftpUriiMjK uew&riit □ pdth d 1 1 F - jy In path ”匸s4f $ ddd pd<1 h (iinent)Mlfl ^piir iaui urtenitj p^th AlreAdy in pdthvrr Ml 斗 ddd pdiith (ueyenit)sdda: spur I QIJ S I U^venitj path al ready in pdthv^匚i.026]: ■ul t nd[1025]i M A 灯Htrd 【沖药]: nulTip^rMi 1026]:灯日前]: 189C] : I ¥MM4 rfHAtiFhitnd[lG ：6]i t tile i HUlTlrSt^tdl lQ2ri] : ■ulUp^thd[lB?G] : ifkaithb ： -I to show In fUlt *Loddl iD^d tablE |A ttblA |t table (• tdbLe [0 IO4BS7BOO 0 1491Be^O«0 ifiiasibMO IMJ It Lpdth 』 1 multipath J muiltipdttl 」 iqtieue ・・・ L j W 餐・>.L]耶1 刊IIS — I)queu&L a , I]FC挂载存储，寻找WWN号：cat /sys/class/fc_host/host*/port_name[root gloc al host--Jt cat /sys/class/fc_host/host*/port_name 8x21009924ff177c Id ~ "0x21090O24ffl77clc[root oral host -]# 匚白t ysys/classy fc_host/hoet ^/por tname 0x21OG3&24ffl77c6S 一一ex21009G24ffl77c6^说明：这是两台服务器的WWN号码！在存储上查找上图中的WWN，连接上服务器后，就可以划lun给服务器使用了！8. 查看存储分给服务器的lun扫盘命令：echo "- - -" > /sys/class/scsi_host/hostO/scan 或重启服务器9. 查看多路径中磁盘状态multipath -ll| [ ■ xtgl ”乳“汇*] # nultlp-st'i(賢蚀MH隔龟貪5时棉讥Til) d«-^ OGC r VQATDtizo=l»BT fMturos='2 f_no_path rotaln_attacd_hw_handlttr' hrthandlor=' 1 Alua' wp=rw* pollcy =，d^rvic6+ n H1 o=50 itdtu d s=-icll| - L:G:C:2 sdd 0:4B actitfe r»^dy runnint]'^210:? 'Jj icttk/p r-' ady running' pol it 7='sfirvir*'T ifii« Fr pri(y=\\~ status =tnablpl| - I：3;1：2 fldg 8:96 actiu^ ready running rsdffl 6:192 acTi'/a rt^dy njnnlr^呻朮hh (360&6Ol&Q0cdD3e0014I31fl0^ace7n)d・-3 DGC +VRATDf4Stur4&"'2 c(uOLifl_lf_i no j path r®tain_i^ttaehed_hw_haridl#r H hwhandlor^41 自lua' 'wp—rw -+ - pol icy =1 rvic-1im A Q'| - : :I: J Tdf ：B9 aciiv^ r^ijdv running' -:1:1 sdl 0:176 at11 we r&c*dy running' -+-启口1 icy-'^rvtce - tilts S' pri statLis=enaf od| - L ; :1 sdc 8 : J2 ZJ-L tiwe rumina"-1210 ^3! 1 5di 0 :158 active ready runnlrkg呻日thd ( je09bC 1 b(JD«d0Je00b440Dbelctabe711) d»-b VGC f VRA1Dslze=?llG feat 111^65='2 queue_if_no_path retaln_att&ched_hw_hari(fler' hwhandler^' 1 alua'⑷=rw-+- pollc > 'servicc-tJjrm G ' p^lo^SU status ti,e| 12:0:0:0 sJi S: 112 :KtX” rtotdy rui nlrig1 ：0 :C: J wdb S:l& acti'ja r»*d f runnlrw"■ + - ic y-'. ifflQ 0' t rl j-ie ^tdtu^^iiciLlt.'」| - 1:i:0 台dm S:54 r&ady running' 12 ：0 ： 1 ：0 sdk 3：】60 Mtiv 刖rw. idy running10. 查看磁盘聚合结果fdisk -lDisk d-v/fUdp^^r -npcitha : 536.9 GS, 5rl66'C512&OS L y t< s, lfi40S763G'> torsUnitt = sactors of 1 * 512 = 512 by tubSec*or sl2« (loglcal/pnyslcalJ: 512 bytes / S12 b/t«sI/O size (minmLih/opTiml ] t Bl92 bytes / 33^3920 bytesDisk . fnaop^r/nipatrii : L-.99JB, 10^^51IG2 R776 b,tes. s^:tarsUnits ■ sec to re of ] * 512 • 512 bytes]Sector ；1;« Magical/pMysltal) : 512 bytes / 512 bytesI -0 &iza bin丄mun/optlm自I] : S192 by/ 335^3920 SI QSDisk /dev/tiopper/mpaths: 763^8 GB” 763845672960 bytes, 1^918&6090 sectors Unit* ■ loctorc of 1 * 512 = 512 byte*Sector sizQ (logical/physical J: 512 byt«s / 312 bytesI - 0 s: 7^ (ininiTiL.fn/npTiTie'l) : 512 byt^s- / 33553923 byT挂载来自存储的卷，主要步骤如下：1. 使用聚合后的磁盘创建pvpvcreate /dev/mapper/mpathapvcreate /dev/mapper/mpathbpvcreate /dev/mapper/mpathc2. 查看pv 物理卷pvs3. 创建vgvgcreate vg01 /dev/mapper/mpathavgcreate vg02 /dev/mapper/mpathbvgcreate vg03 /dev/mapper/mpathc4. 查看vg 卷组vgs5. 创建lv 逻辑卷创建200G 的lvyfv_qadapps 文件系统lvcreate -L 200G -n lvyfv_qadapps vg01 创建300G 的lvyfv_dbs 文件系统lvcreate -L 300G -n lvyfv_dbs vg01 创建200G 的lvyfv_edi 文件系统lvcreate -L 200G -n lvyfv_edi vg02 创建1023G 的lvyfv_backup 文件系统lvcreate -L 1023G -n lvyfv_backup vg036. 查看lv 逻辑卷lvs7. 格式化磁盘mkfs.ext4 /dev/vg01/lvyfv_qadappsmkfs.ext4 /dev/vg01/lvyfv_dbsmkfs.ext4 /dev/vg02/lvyfv_edimkfs.ext4 /dev/vg03/lvyfv_backup 说明：不要用xfs 格式！否则会出现下面页面：welcome to annergency rrodeiafter logging in r type journaktl -xb to view 5yst^m logs F systemctl reboot to reboot , 'systemctl default to try again to boot into default made,give root password for maintenance (?? Control D???);8. 创建挂载点mkdir /yfv/qadapps mkdir /yfv/dbs mkdir /yfv/edi mkdir /yfv/backup9. 更改配置文件/etc/fstab ，在最后添加如下内容/yfv/qadapps ext4 defaults 0 0 /yfv/dbs ext4 defaults 0 0 /yfv/edi ext4 defaults 0 0/yfv/backup ext4 defaults 0 0保存退出!# Bbb Created by an^conJa on Mon Aug 2R lfi:52：43 201 ■'屈 Accessible filesystems, R reference, are mai nfriM undsr ' / dev J disk 11t See rnan page$ 5) f flndf 0), ncuntCS) and/or blkid(S) for wore info/dev/nappsr/v^M^Ivroot 丿 ?(fsdefaultse e U ilI>2G34123a-3G93-44Gc a26e-3d61B64elf3d /bootxfedm faultsG 6/dQv/mappQr/vg30-lvhQnia /bona xfs defaults 6/dQ\7naDpei-v vtup /tmp X f s defaults 6 /dev/Tiapper/vgOO-lvusr /usrxfs defaults 6 /dev/riapp^ r/v -ivv^rxfs defaults 6 /dav/ ，\> 403*1 S'rfapswsp ds f 日 Lilts e /d&v/vgOQ/lvyfv^u/yfv/uxf s defaults 6 /d&w/vg01/Iwyfu^qadapos \ t'L /qacapps ext4 defaults 0/dev/vg31Xl •j -'jf'u dt>s /yftf/dbs «Kt4 defaults 吕/rlfix 1/\g +?/■' 1 vyfv Adj /yf«xt4 d^taul t s e日 /3&u/ug33/lvyfv backup/yf\i p /backupewt4d&raultsaQ10. 挂载文件系统mount -a11. 查看文件系统挂载状态df -Th/dev/vg01/lvyfv_qadapps /dev/vg01/lvyfv_dbs /dev/vg02/lvyfv_edi /dev/vg03/lvyfv_backup。