Keepalived权威指南中文

1(LinuxIDC.com)Ubuntu,Fedora,SUSEITLinuxKEEPALIVED%HKeepalived:TheDefinitiveGuideŠöµFinalBSD(KevinKuang)ooÊcn(LinuxIDC.com)Ubuntu,Fedora,SUSEITLinux3KevinKuangPk‡c2009±9Ö¤ku1‡3¤k|ù°©´¤¶3gd^‡|„…ÙGNUÏ^чNŒy^±e§\Œ±2‡½ö?U§NŒyŒ±´1‡§½ö?ÛU‡£‘\¿¤(LinuxIDC.com)Ubuntu,Fedora,SUSEITLinux8¹1VRRP11.1VRRPÆ{0..........................11.2óŠÅ›.............................22KEEPALIVED32.1KeepalivedOÚ¢y.....................32.1.1õ?§ª........................42.1.2››¡†.........................42.1.3WatchDog.........................42.1.4IPVSµC.........................42.2KeepAlivedSC........................52.3KeepAlived˜).......................62.3.1Û˜.........................72.3.2VRRPD˜.......................82.3.3LVS˜..........................113A^¢~153.1^Keepalived‰HA........................153.1.1HAProxyÚwebÑÖì˜...............153.1.2Keepalived˜......................153.2^Keepalived˜LVS......................19ë©z21(LinuxIDC.com)Ubuntu,Fedora,SUSEITLinux1˜ÙVRRPKeepalived´VRRP{¢y§Ïd30Keepalivedƒc§·‚k7‡k)VRRPn)VRRPÐ©#LuVRRPRFC©11.1VRRPÆ{03y¢䂸¥('XInternet)§üI‡Ï&ÌÅ(end-host)Œõꜹe¿vk†Ônëéuùœ¹§§‚ƒm´dNoÀJºÌÅXÛÀ½ˆ8ÌÅe˜a´d§ù´˜‡¯KÏ~)û{kü«µ•3ÌÅþ¦^Ä´dÆ('XRIP,OSPF)•3ÌÅþ˜·´dé²w§3ÌÅþ˜Ä´dÆ´š~؃¢S§Ï+n!‘o¤±9´Ä|±Ãõ¯K@o˜·´dÒC›©61¢Sþ§ù«ª·‚–8˜†3^´§´dì(½ö`%@'defaultgateway)%²~¤ü:Ҏ˜õ‡·´d§%Ϗ7L­éäâU)CØ¢^VRRP8Ò´)û·´dü:æ¯KœVRRPÏL˜«¿À(election)Æ5Äò´d?Ö‰LAN¥J[´dì¥,VRRP´dìùpwå5é7§Ïkü‡'…¶c:J[´dìÚVRRP´dìVRRP´dìVRRP´dìÒ´˜´d짐ØLþ¡$1VRRPDù§S5¢yVRRPÆ®§ù´Ôn´dì˜VRRP´d쌱 uõ‡J[´dì1´RFC3768Ø´2338§XJ\U§Òw2338j(LinuxIDC.com)Ubuntu,Fedora,SUSEITLinux2VRRPVRRPJ[´d줢J[§Ò´`¿Ø´¢S3§´˜‡Ü6Ø´Ôn´dìJ[´dìÏ~dõ(Ôn)VRRP´dìÏL,«ª|¤§ÒÐ'ùÔn´dìÑ¿˜‡³(pool)p¡§‡poolé wå5Җ´˜´dì§Ù¢SÜkõJ[´dìI£¡VRIDMASTERÚBACKUP3˜‡VRRPJ[´d쥧kõÔnVRRP´d짴ùõÔnÅì¿ØӞóŠ2§´d˜¡MASTERKI´dóŠ§Ù¦Ñ´BACKUP§MASTER¿š˜¤ØC§VRRPÆ4z‡VRRP´dì놿À§ª¼‘Ò´MASTERMASTERk˜A3§'XPkJ[´dìIP/Œ§·‚ÌÅÒ´^ù‡IP/ŒŠ·´dPkAMASTER‡KI=uux‰'/ŒÚAARPž¦1.2óŠÅ›VRRPÏL¿ÀÆ5¢yJ[´dìõU§¤kÆ©Ñ´ÏLIPõÂ(multicast)£õÂ/Œ224.0.0.18¤/ªuxJ[´dìdVRID(‰Œ0–255)ژ|IP/Œ|¤§é Ly˜‡±MAC/Œµ00-00-5E-00-01-{VRID}4¤±§3˜‡J[´d쥧Ø+X´MASTER§é Ñ´ƒÓMACÚIP(¡ƒVIP)ràÌÅ¿ØI‡ÏMASTERUC?UgC´d˜§é¦‚5`§ù«Ìlƒ†´ß²3˜‡J[´d쥧kŠMASTERVRRP´d쬘†uxVRRP2w(VRRPAdvertisementmessage)§BACKUPجsÓMASTER§Øš§`k?(priority)pMASTER،^ž£BACKUPÂØ2w¤§õBACKUP¥`k?pù¬sӏMASTER5ù«sÓ´š~¯„(1s)§±yÑÖëY5ÑuS5ħVRRP¦^\—Æ?1\—2¦+ùwå5éL¤3PŒo´kA4ùÒ´Ÿo¡˜virtualrouteridŸoU´0...2555ù`²ŸoI‡state§kI‡priorityù˜(LinuxIDC.com)Ubuntu,Fedora,SUSEITLinux1ÙKEEPALIVEDKeepalivedOÚ¢y,{ü§´˜kاÙ̇Òãù2.1KeepalivedOÚ¢yKeepalived´˜‡pݬzO^‡§“è(qéN´wÑù˜:§p¡kcheckcorelibipfwclibipvs-2.4libipvs-2.6vrrpùo˜8¹(LinuxIDC.com)Ubuntu,Fedora,SUSEITLinux4KEEPALIVEDcorekeepalivedØ%§S§'XÛ˜)Û§?§éĶvrrpKeepalivedvrrpdf?§±9ƒ'“ècheckkeepalivedhealthcheckerf?§8¹§)¤kèxuª±9éA˜)Û§LVS˜)ۏ3ù‡p¡libipfwciptables(ipchains)¥§Ì‡^5˜LVS¥firewall-marklibipvs*´¦^LVSI‡^2.1.1õ?§ªkeepalivedæ^õ?§Oª§z‡?§KIØÓõU§·‚3¦^LVSÅìþÏ~Œ±wù?§µ111KeepalivedI?§:S+n§i›f?§112\_KeepalivedVRRPf?§113\_Keepalivedhealthcheckerf?§k·-1ëê5››Ømé,?§§'XØ$1LVSÅìþ§méVRRPҌ±(–P),XJ$1healthcheckerf?§,¦^–C2.1.2››¡†¤¢››¡†Ò´é˜©‡?ÈÚ)Û§Keepalived˜©‡)Û',a§¿Ø´˜gÚÚ)Û¤k˜§3^,¬žÿâ)ۃA˜§3z‡¬p¡ÑŒ±wXXXparser.cù©‡§Ò´‰ù‡Š^2.1.3WatchDogù«µeJøéf?§(VRRPÚhealthchecker)i›.2.1.4IPVSµCKeepalivedp¡¤kéLVSƒ'öŠ¿Ø†¦^ipvsadmù^rà§S§´†¦^IPVSJø¼ê?§öŠ§ù“èÑ3check/ipwrapper.c¥(LinuxIDC.com)Ubuntu,Fedora,SUSEITLinux2.2KeepAlivedSC52.2KeepAlivedSCSCKeepalivedÚSCÙ¦m^‡˜§š~{ü§configure§make§makeinstallҌ±t½§´·‚„´I‡{ü`²˜eù‡öŠL§µ./configure--prefix=/\--mandir=/usr/local/share/man\--with-kernel-dir=/usr/src/kernels/2.6.9-67.EL-smp-i686/makemakeinstall`²Xeµ1.prefixù‡½/j§ù˜©‡¬˜8¹e§BöŠ2.mandirù‡˜LinuxXÚ%@man8¹e§Bw3.with-kernel-dirù´‡­‡ëê§ù‡ëê¿ØL«·‚‡r:XJ‡^LVS§âI‡ù½§ÄK´ØI‡§…XJ‡¦^netlink§„I‡linkwatch.cù‡©‡Keepalived??Sا´¦^SØèp¡Þ©‡§Ò´include8¹3confiure(‰1§Œ±e¡ÑѵKeepalivedconfiguration------------------------Keepalivedversion:1.1.15Compiler:gccCompilerflags:-g-O2ExtraLib:-lpopt-lssl-lcryptoUseIPVSFramework:YesIPVSsyncdaemonsupport:YesUseVRRPFramework:YesUseLinkWatch:YesUseDebugflags:No5¿UseIPVSFrameworkIPVSµe—=LVSØ%“èµe§XJئ^LVS§Œ±3configurež½ëêdisable-lvs§ù{§ùpwÒ´NoØ´Yes(LinuxIDC.com)Ubuntu,Fedora,SUSEITLinux6KEEPALIVEDIPVSsyncdaemonsupportIPVSÓÚ?§§éw,§XJc¡@‘´No{§@oùp’½´No§,XJc¡ù‘´Yes–=¦^LVS§ØŽ¦^LVSÓÚ?§(syncdaemon),Œ±3configurežÿ½disable-lvs-syncdUseVRRPFrameworkVRRPµe§ùÄþ´7L§KeepalivedØ%?§vrrpdUseLinkWatch¤¢LinkwatchŒV¿g´ÏLÂSØuÑ'ukG&E5äkG§Ï´SØuÑ&E§ù3^ràI‡ÓPù&E=Œ§ƒ'†3^ràÏLÙ¦ª5¢ywå5¬Ž]§Keepalived3k‡L20¬œ¹eí¦^1{óƒ§XJئ^LVSõU§@o‡wUseVRRPFrame-workYesҌ±§‡ƒ§7LkUseIPVSFrameworkYes§Ù¦Ñ´optionalSCÄÒùo{ü§´\ŒU„k¦¯§.3=pe1Keepalivedº†Keepal