keepalived缓存问题验证

1、“13222&V 132.228,228.151 X! corf 1 gurat 1 on-Fi 1 e far"fceepaTivcdgobal_defs notificatlon_email col ossli&sina. comncfif i cation_email_from 132_22£_228_151keepali siwtp_ser ver 127.0. 0.1 smtp_connect_rimeojc 30rcuter_nd MEM151vrrp_1nstance VI_243 fstate BACKUPinterface eth3prio

2、rity 110riopr eenpt且utheniication ulh_type Pi££ auth.pass 23150925virTual-ipaddress 132. 226+ 228. 240/25 brd 132 223 223dev eth3 label eth3: vipvi rt Lia"l_rout es 132. 22B. 228. 248/25 via 132. 228. 228.254 dev eth3144keepalived 停止,15Z.22ft_ZZfl 144 x b：紅G苦盖乩出 1LA&l loq1 - : rll

3、u oci 15 10： 5S：1J f roil 132. 32 3. 30. 2 51LjsdxelrticssappbiikOS -J$ ?uco su -Fsuda pa£Si*Dro for j£dxon:Qr nat s appbak" D? T# P a1: lc: <lOofback,.up LQhEfl_iJpA rt- lM3n cdisc nocusbrt state LhiKSiowM1Ink/luupbek DOlOO:00:00:D0:00 br d 00:00:00:00:00:00irer 1 ?7.0. 0.1 fl qnp

4、p -<nt InIrerc : : 1/126 scope hostval i d_T Ft forever preferr ed_l ft fDrevfcr2： CthJ： SROADCAITT,M(JLTICAST. UPRLOWER UP> mtu 1SOO qdiSC rq 5t JtC UP qlcn 1000 1 irik/exher' QO： 5Q r56 ：?2 : 1J ：24 bed ff:ff iff :ff :ff rffin« 132,228.?2fi.lU/2 5 brd 132,?fi. 235 scope global eth3I

5、nert fcao：J2S0：:fcbz：H24. t>4 scope linktai i d_l Ft foriX Fr prfprrf DTvprErDoto55appi?ak02ps -et |gr亡:keeaa livedrout2042D030 17 :丄点 pls/0 00:00:00 Ljrup kvpl248虚地址已经绑定到 151上时,rct広"gqppbMog "即血"电 'Ip a1： lo： <LOOPB.CKt lip, LOWCR-UP* mtu L&436 qdifC noqu«U« S

6、tltfi UNKNOWN1 -ink/ 1 oop?d<k OD :Q0 :OD:OO :OO ： 00 brd 00:00:00:00:00:00inet 127, J/B scope hosx "Iof ri&tC : :1 12S repd riDsTzalid_lft for ever preferred_lft forever2: cth3: <brodcastlilticastruptldwer_up> mtu 1500 qdisc mq state ur qlcn 1000 1ink/ether 00;59:56;BE:O6;bf brd f

7、f：ff:ff:ff:ffit:总 ：7总 iHt.-dqoa.22. 255 scope g 1 oba 1 eth3|iret 132.22S.22B.243/25 brd 13Z.22e|22B.255 scope g1obal secondary ethS:vi p !rPj ; C2 ju: zor T ; Ttoi .oLf / ue 1 iiix.vdl f d_l f curever' pr eC trr td_l Tl r or everrocL&ossappbaikO9 keepallved|启动144不会将248虚地址抢回，通过 248访问的缓存服务仍然是

8、151的缓存服务roar90E“np出廿D2 * “刊叮怙砧 ”o -f?we204 720460 17；1 字og：cq：co k«4pitl ivMl -c -focaVeic/kaopaifva(Vk44pHv«d.confOQ；0Q；OO kEepal iv Edl - D -f .'usr/1 acai/etc.- Ikeepal i ved - keepal i ved 匸 unrf ac；ou：oi)kHp>alived -B -f /bfjry 1 ocaL'kc. k««p&li-'ktepal 1

9、 v«d<c.o>nf CM :CDrOD qrpp kFpalli vedroarassappiiakOl J# ps -ef lep keepa.11 v«drtwi1 0 L7il9 ?r 亠 rovt refit2O4d 2046 Q?rootpirn jogi o i?：iQ pt/or oarAo&sapp-bakDf -J* Ip i1： In： clWP*ACKr(jn.L0*fl：H JJFJ mlu lfiAlfi flillst 网U0UEUUKMOkI i rk. locpbck <.;Ofl;G& <J0 :

10、30; DC brd U-0 ; OO; &C:00; 3Q;OC in«r 127.0. D.l/fi icoct hwr lt> 1nFT6 : r I ,J1 ?fi senpp brrtTtalicLTfi forever prferrecLlfi forever(.Tri?：碍HOAr<#FT*MMTKA5T"UP*LQ*H l!F'> «ru 1500 qdlc niq 的顶卍 UP qgn 1Q00 1iric/«ther 恥：阳；强：起：J4：24 brQ H= ;f f iff iff iff ;FfI

11、rwt U2.220.22&. 144/2S brd 131.lli.21i.2iSglwl tthJiner6 f <= SO : : J 50: 5tf f : f J 1424 H4 senpf ' i nkal1d_lft forever prtfrrredLlft Fortierp02 丿片此时停止151的keepalived ,V3 T£_ TTT TFP'pr prfFITPq ITT fCFFWf1" r oatijs sj.pp bdk 0$ J* roci?HTrodi3£PMl冇M 门育rODT站时i ：k：&#

12、39; ."|»'.'.,1|1|；|-1*0'>，*" r 00 " K SJpC!皿 M -1 #IOUI?5S«?U?ps -ef|grep keepa 17：1&?0C!OC：Wo 17:16?od!t»ioa0 17!16'(ffi：W：0Qa i7；53or5/0 cm：qo：ookl llijl KtepalUcd35 -&flarp kCQp 、17:13 pls/0 00:00:00 mt mrppFFipkO9.keepal IwPd -o -f /usr/I&

13、#163;al/eic/keefwl 1 ved/kfepal ivs-d.cgf Ikeeipal 1 -d -f . usr local .'ere /keepal Ived；Ikeepal Hed.corif l-I ：- I r-： r I I. Hl 'I JC -1 I ! - hr-r'?.|l ierd - rTj.nl V -I. . Ill H grep ketpgr 电p keip248虚地址会切换到144上，通过248访问的缓存服务切换为 144的缓存服务。ruoLuibHfjpbdkOZ # ip d1： 10： <L00 P B AC

14、K. L P, LO WER_C P > (DtU 丄何范 qdlSC OOqueue St ate UPiKNO 喻I11 nk. "I nophck on： QO :0D ' f>0: OD ：fXl hrd 00:00：no:00 on： CK1i net l?7x 0.D.1/8 scope host Io1nei6 :1/L2& scope host vali d_lft forever pr efer r d_If t tor ever2 «th: BROADCAST,MULTICAST,UP pLDW£R_UPs Etu

15、1500 qdisc mq Stt« UP qlwi 1000 link ether QO:50：5；82：14；24ff:ff:ff:ff:ff:fr1nei L3Z.2ZB.22&.1斗斗/25 brd 132.1Z&. 22S.Z55 scope global ethiinet 132.22B.22S.24fi 25 brd 132.228.228,255 scope global secondar/ eth3；vip in«t6 FflfiO:2 50:56ff211424/6 scope linkvali d_TFt forever preferr

16、«d_lft forever13222富Z2S,E4S 11211O3Z 22S. 22&. 24S).rocccssdpbdkD2 .root&ossappbak02 tel netTrying 132. 22&. 223. 248, ». connected To li2,22S.226.24SEscape chara匸*i s * a get numeVALUE name 0 4abedENDquitConnection 匚1 osed by forei gn hosr*rootO55appbak0Z J帝 telnetZZS.2Z3.144

17、11211Trying 132. 22&, 22ft, 144 .connected to 0££AppbakQ2.1 ocaldomaln (12. 228. 22S.144).Escape characier i5 'a get namevalue name 0 4abedeno2.当144、151的keepalived 都处于启动状态，并且 248虚地址在144上时,ENDquitComecTlon 口 g朗Lr TOtSos&api>bak02rootruGE2CW7fMT2CMBby fcrei-J* ps -10 17 _2D46

18、O 17il§ ? 20460 17119 ?ep keeprwtJ5-&&2175013l24 Jrts/QrD<Jt3o5sapptoakOZ -J# i p a11 1q; *L0OPiRACKiUPsLOER-UP t¥ 1柿吉币 qdi>C rogyptirIlhilChCAlirlk.'lciof>t>ack Ofl:时：何Ibrd l»:00:Od:0D:O0!OO 1fi« 127.0-0.1/1 STCJp电 hQS-T 10 inex& ; :1/125 scope ho刃 vd

19、l i d_1ff t f or ex er pref err ed_ 1ft forever?I th3s <BTO4W«TBWlWLTICA5ThUP B LWEIUIJP wtu 1500 qiC nq llrik/eiher QgSdHSf:蛀m甜 Erd ffiffiff:ff:ff:rf,i_2.228.251.255 丸写芒 globalInez 珥木22头益电翠尽25 bd 血氛22趴為取2,5 scop« fllcbal TTSTJTWffTFSBZTTTH.-' b4 scope Thiik00：00； 00 keepiaH wddJ/us

20、r/local/«ckwpl 1conf00iM ! W keeps 11 ed-f/ usfj local.;erckeepa 11 » edkeepa 1 Ived.conif00：0!U k#«paT1 v«d-D-f/mr locil/«c1 w#dkMpalIved.confOTsW:W grep keep5t#te UP ql«n 1000lneTb re&iJTeihlsecrbday erhSsvipval i dlft fnrexier prpftrred_lft fwfvtr iTrfTcAl _ 1tel

21、retr UMbie to connect to reotiE hgjt ： Cornection fEFysd -1* * -ef l arep keep root302829780 124 pts/OraoiBatsappbkO “岸 ktepal 1o fiocrtSassapphakOS -* ps -ef Igrep keep f O£lLl&M1 b1$：?4rr&atSOU©0;00 ;OD qrep keepur/locil/tx;c k*ephilfIfved cwifOOsfMiOD ki»pAl1vtd -d -f /Mr/l

22、ocil/Kc/keepAl 1 w4d/kt«pa11y*d. conf OOrOO ;OD keepaliwd -D -f /uir/llocal /Etc/keepal ived/tEepal i vedmnf 00: M lOD kepal ledl -C -1/uh-r.-1 口七日 I e<£/k巴彳ial 3 冒匈.电巴电pzl 1+亡时-匸口rfOOrOQzOO 勺厂Fp ke«pUP# ittt u 16*J( iqdisc nurue $1 丙iDCiMsCC bfd OOiOO ! DO i OO! OC i OD血t lo_ _j n

23、Dsr«11cLlft fertvet 茁克E电rred_lft fore?： ihl； <BRasiucast,ukTiCAiFr,upBI.DWEr lp* ritu 1 SOO odisc 绡 5Taie up qlen IQDa1 fnk/ether c?0;5D：&：az-;M：bf brd rriffiffsff:ff：rfInn 13?.brd 越.Z2I.22B.2I5 «apr glohil nlhlIneto feso;23fl;5&ff;f®BZ:Obf/scope linkvalltUlfc farther pefer

24、raKLlfi for*v*JO 30root10321030root304?97flr dc i £ossppbakJH1： 1q; <LWPSKKi LIP.'IQ*tR_U11 rtk/ioopbaEk (JQ： DOOOi inet 12?-0.0-1/8 sei Inerfi !： 1/126 scope0 1訓 M 7 b 19:2-1，0 19； 24 pt5/0 1p a.对144主机进行restart 操作，检查248虚地址是否会绑定到151 上,关掉144主机服务253.253 11root*Sos5appbako2 - # restart rjE-

25、t«rt: niMf nq JcT Try restart .-neiproot'S.ids.s ap pb aika 2 -1I rooTDS5appbakO2 -Jt> tMte 于or rcre infortiation*# kr 1 al 1 keepalived_# ps -ctI grep keeproot2S3O 2179 O 19: 36 ptt/O00: 00:00 gi电p keeprOQtcssappbkXl? # 1 p a丄：Io: -moPL.ACKPlOWEH_LIPa rtb 丄b43& qdlsc noqu«ue st

26、aie UK.vOkn1 Irk.luupbaLk DO:00100 :00l00:00 ST 00:M :0D . 00:00100inert 1271 D. 0.1/8 scope host lcinet :i/12S scope hostval d_1f t tDrever preterred_ITt torEver2： lha : -<BKOAUCA2>r .MULTICA51 ,LP±LO!NkR_jJP5- ntu 丄500牺 blaL电 UP qleil 1000Hrk ether OtJ:4 :?1 hrH 幵：幵汁 F:杆：祁：齐1nst _£

27、2.52E. 22B. H4/25 3rd 1 i2.Z2&. Z2B. 25 w匚on乜 global ethiinet-E FeAO 1 r 25D: 56f F : FeA2:ld?4,jF-64 snope 1 inkval i d 1ft forever prflferrcd.lf t for everr _ jn _ 1.- tnr h查看151机器，248虚拟地址已绑定到151L r oacoi*>dfipbak.J *rncita口£5#|3|3)乐划 -1* t inad out wsitinqi schfadi*?<K sapp bakOS 一

28、去 sudo su -“心gl>SHV d fOf 1皿皿：lt OQC$nss3fiib3k09 亠» p£ -ef I grep kesp rootr-oot r vQtr«nrDatkas;.LppbiakCPD S "ip al: M;毛lmp庇就*. ?uP|的獄鹿!p鼻11 nfc/loapb且匸札 OD. DD.OO j3Q_CKi;DO brd ln«t 127.0,0.1& sxop电 n*4t idinet&scoe hn-tva1Hd_lfr for «vtr pr*ftrr«dL

29、lft2： e<.h3t -BHOWCASTULTiCAST.UF. LWERI1nk/eiher OO: iD: ：fi2 ：Q ibT brd TTG rid AT丁hT* TH lllflfor input;ajjpbak'3Q31UOS3O3D 3030 WB?prs/okaapj 1)i-C -f ui- .-'1« jI/vtc. kupjil iivd. cocifnciaciCH) keepal i v«d -0 -r . usrocal/erc. ke ppa 1 ved|- teejpal 1 ved. confkeeps I I

30、b'ed -C -f /uSrlM.alyetc./lkHpal 1 keep&l 1 wd. CMf ocoosoo grp keepqdiic noqutiif 5T>rt unkwOmmM-0Q：go.3o.<ia.gaLinet 132. 2ZB. ?2B. 2/25 brd 132.ZZfi 临22申2“1理门l 黑X valid 1 ft forever preferreclftI" r WJtTOSdflPpbakQ1? 一“f .nhjS*?匚Oinda-y rth 3 - L-ind f通过248访问的缓存服务是151的缓存服务u u &

31、#39;V j|a."1 _f V4 u"i *ua n up hi |i r ui r&. «-. n_i« ii MrooossippbakO -# telnet 132.22S_22S,151 11211 Trying 132.228.22S.LSI,.connected to ossappbak09.local domain (132.228.228.151).Escape char aUL已 is- *A r sex name 0 0 8j effwongSTOREDLr oot0sappoaKU9 =#frooWosaappbakog

32、 ：# telnet 132.2?6,2?8.Z4B 11211Try-i nq 1 占 2 + 2P8.22 心 2!48 Conrected to 132. 228, 228, 248 <132,225. 228. 248)ESEWpt chiiracter is get nanevalue name 8j effwongEMDj ii h - -fr- All A I u3.在 keepalived.conf的 vrrp_instanee中增加 track_script，作用是监测 memcachec服务是否正常，如不正常则执行killall keepalived 。验证当144、

33、151的keepalived都处于启动状态，关闭 144的memcachec缓存服务，keepalived 通 过参数中track_script 设置可以正常关闭144上的keepalived ，从而将由151上的keepalived 抢 到248虚地址，通过248访问的缓存服务是151的缓存服务。notiticatior>_enai l_fron 132_22S228_15L(?keepal1 ved.corr smtp_server 127. 0. t). 1 smtp_connecr_nimeout JO router_id meii51vrrp_instance vi_248 s

34、tate BACKUP i nterface etti3 virtual_router_id 60 prior ity 110 nopreempt aderT irit 1 trackZscript check meme achedanrh_typ5 PASS auth.pass 20150929brd 132,228,?55 dev eth3 labelvda 122.228.223.254 d«v mrh孑pt hm : vi pvi rtul_iprldrps s 132. 22£, 2羽.24 S/? 5virtual_roGta£ 132.228.228

35、. 248/25memcached服 务正常kb"仙賞蛇i rwFgt3i«J K640> it. 5? 工缶Pf 测 p 屮“ f*u?r 1申1/机 m-d - ZQf «v>4 "g-TTb TTl-liH】-174 -p 1£4 吨 J MH“存 n跟idr tsac jpEtMicO9t h1 nac. 112 _ 22Bu. Z?S_1 M l'L?llTrylnji 1JJ JltTllfcHlicswrpd! ro usSi-ptiakLi .ii. lQCiil-s jftal-n Ci2-28-.2231

36、. iE-1.Cix*wTlaflbtf ro*lan h«rc.(K4R GhlFKlfF '町囂赶飢龍1XE11Csmectedi M2JLt a3Z,?£H. IJIirEM-iipe cMmtf 1e "MV如tUE m吨Q B绘呵验证当144、151的keepalived 都处于启动状态，关闭144的memcached缓存服务,132.22fi_22&J.44 M *£ 二巨.151Last lloqlfi! Thu Det: 15 17 = 50:21 frori 132- 22B. = D 251 L* Iidxddr5i&

37、#174;usi>dpfibakOZ -5 &udo suda萨d fcr jsdxadni：Stry Jkgaln.pd玉如f d For jbd汇曲W： sapbaka? -*1t -eflqrep kepa root2770 0 2D:01 ptsft00zCH):0-& grep keepaappbakO2 -1# k«opaTiv&d -D -f /usr /local/Mc/lceippal 1 vod/kcepal1 vcdl. conf LrooLSo-ssappbaKQJ -If os -eflgrep k&epa1O2D:(M

38、?00010 &Dkeepa 1 ivefi-C-tusr.- Ideal.'et r .'Iceepa 11 vec - keepa 11 v&d. Cdrr+2815o301cm亍QCslKSiODkpal Ued-o“f/ usr/loc*1/ei c/kepl 1 ved 1 v&dKconf2815020;04?QO; DOt&DKe：即扪 计嗣-D-f/lusr/locil/etc/lcepal ivd/keepal i ved> corrf2770o?o：oipts/o oo：oot：(H>grep k&epar

39、ooiSo-ssappl raat2Si3root?S16rwt281?root2S19 rdppblkOZ1 r 27B.?a.t« lS2.J2ft£2B 151 k |quitConne匚tion cl cjsed try forei gn host亠r DOTOLoiisappbaikO k«cpAl 1 vsd*_ps -#f | 001如巧_root31 S&rootJl 57rout于2。0» ,rrbdrt®j3SS3DDbakog keeaal 1vedl*10 19： 57 ?31S5019: 57 ?31IS 0

40、19! 57 ?0 20:03 pts/Ogr 卷p ke«paoo；QQ；ob Kepaitved -d -f /usr/1 oci/eiczkeepa 11 v-ed.1 ved9conf00:00:00 keepal i l ed -D -t u 5 r /1 匚a. I EtGk 电 epai I i v芒c! ke spa 1 i *6(3. cent od：do：oo k«epaiu«d -o -f /usr/local./#tc/keepal 1 ved11vedconf 00:00:00 qrep kepji关闭144主机memcached服务 m

41、v.*口ih £ u m ilvi w pu - uuv. mw * qr人u曲/屉if-hJA n v pe dfroo£,ti.: : u J -. .u：屮丄 u u. u. -JU -“.川 g!l1 0 OCT 14 TDO. DO-Ofi u A* /"I OU1 Jblil02 icilil -? MMkM OZ ps -sir bB rwadnedZ S KiM j>H 0【raBk医-ji144上ip a没有绑定虚地址%LJBFJ丄b -UJ1ILST |Q! C2J iIF L=1 上*/ ”I f_L-.V*13122B.22a,144

42、 X L3222S.22S.151p-i draot&3££appbak0? J# kill -0 30630root(cssappbak02 -1# ps -电f qr ep neipcachedroot282727700 20:06 pts/D 00:00:00 grep memcachedrcoassapptiakoz -# 1p a1: 7o : <loopback , up p LOWtR_LP> nrtu 164 36 qdi sc noqtu亡 state unknovum11 nkioopback GO : 00:00:00 : 00:00 ttrd 00: OO; CO : 00:00 : DOi net l?7r 0. 0.1/fl scop host loi nets : :1/L1S scope hostvalid_lft forever preferred_lft forever7： uh子：<B RO A DC AST, NHL Tic AST , UP t LOWE R_UP> MIU 1500 qdlSC 阳 q SL 3LC UP ql CH 1000 'ink ether 00:50：?6：8