[B! lvs] k_37toã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

k_37to id:k_37to

lvsã«é–¢ã™ã‚‹k_37toã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (26)

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keepalivedã§vrrp (ãƒ‘ãƒ‘æ—¥è¨˜)
ã™ãŽã²ã‚å›ã®è¨˜äº‹ã«ã‚¤ãƒ³ã‚¹ãƒ‘ã‚¤ã‚¢ã•ã‚Œã¦ãƒªã‚¹ãƒšã‚¯ãƒˆã—ãŸè¨³ã§ã‚ã‚‹ãŒã€ã€Œå¸«åŒ ãŸã‚‹ã‚‚ã®ã€å¼Ÿåã®ç‰©çœŸä¼¼ã§ã¯ãƒ—ãƒ©ã‚¤ãƒ‰ãŒè¨±ã—ã¾ã›ã‚“ã€‚ã€ã¨äº‘ã†è¨³ã§ã¯ãªãï¼ˆæ°—æŒã¡ã€ç„¡ãã¯ãªã„ã®ã ãŒ...ï¼‰ã€ã“ã‚Œã¾ã§ã®ã€Œrpmã§ãŠæ‰‹è»½ãƒ¡ãƒ³ãƒ†ã€ã‚’è²«ãã¹ãã€ã¾ãŸkeepalivedã®æ–¹ãŒå„ªã‚Œã¦ã„ã‚‹ã¨åˆ¤æ–ã—ã¦ã€keepalivedã‚’åˆ©ç”¨ã™ã‚‹äº‹ã¨ã—ãŸã€‚ keepalivedã¯LVSã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µãƒ¼ã‚’å†—é•·åŒ–ã—ã¦æ§‹ç¯‰ã™ã‚‹éš›ã®F.O.ã‚’å®Ÿç¾ã™ã‚‹ãƒ„ãƒ¼ãƒ«ã§ã‚ã‚Šã€vrrpãƒ—ãƒãƒˆã‚³ãƒ«ã‚’å®Ÿè£…ã—ã¦ã„ã‚‹ã€‚ã¾ãŸã€F.O.ã®å¥‘æ©Ÿã«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã®å®Ÿè¡Œã‚‚å¯èƒ½ã§ã‚ã‚‹ãŸã‚ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚„ãƒ‡ãƒ¼ã‚¿ã®ãƒŸãƒ©ãƒ¼ãƒªãƒ³ã‚°ç‰ã®æ–¹å‘ã‚’è‡ªå‹•çš„ã«åˆ‡ã‚Šæ›¿ãˆã‚‹ç‰ã‚‚å¯èƒ½ã¨ãªã‚‹å„ªã‚Œã‚‚ã®ã§ã‚ã‚‹ã€‚ä½†ã—ã€heatbeatã®æ§˜ãªãƒ—ãƒãƒˆã‚³ãƒ«æ¯Žã®æ»æ´»ç›£è¦–ã¯ã§ããªã„æ§˜ã§ã‚ã‚‹ã€‚ é‹ç”¨æ©Ÿã¨äºˆå‚™æ©Ÿã«keepalivedã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã€‚ # yum install keepalived /etc
k_37to 2009/05/08
keepalived

vrrp

lvs
ãƒªãƒ³ã‚¯
LVS + keepalived + VRRP + DSRç’°å¢ƒã‚’æ§‹ç¯‰ã™ã‚‹éš›ã®Red Hat Enterprise
_ [Server][Admin] LVS + keepalived + VRRP + DSRç’°å¢ƒã‚’æ§‹ç¯‰ã™ã‚‹éš›ã®Red Hat Enterprise Linux/CentOSã§ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å‘¨ã‚Šã®ä¾¿åˆ©ãªè¨å®šæ–¹æ³• Klabã®DSASé–‹ç™ºè€…ã•ã‚“ã®ãƒ‘ã‚½ã‚³ãƒ³1å°ã§ã¯ã˜ã‚ã‚‹ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µä½“é¨“ã¯åŸºæœ¬çš„ã«Debianã‚’ã‚¿ãƒ¼ã‚²ãƒƒãƒˆã«ã•ã‚Œã¦ã„ã‚‹ãŸã‚ã€Red Hat Enterprise Linux/CentOSã§æ§‹ç¯‰ã™ã‚‹å ´åˆå›ºæœ‰ã®ä¾¿åˆ©ãªè¨å®šæ–¹æ³•ãŒæ›¸ã‹ã‚Œã¦ã„ãªã„ã®ã§ãã‚Œã‚’ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚æ—¢ã«DSASé–‹ç™ºè€…ã•ã‚“ã®æ‰‹é †ã§ç’°å¢ƒã‚’ä½œã£ãŸã“ã¨ãŒã‚ã‚‹äººå‘ã‘ã§ã™ã€‚ã“ã“ã§ç´¹ä»‹ã™ã‚‹æ–¹æ³•ã§è¨å®šã‚’ã—ã¦ãŠã‘ã°ã€OSå†èµ·å‹•å¾Œã‚„ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å†èµ·å‹•ã‚‚è‡ªå‹•çš„ã«åœæ¢å‰ã¨åŒã˜çŠ¶æ…‹ã«ãªã‚Šã¾ã™ã€‚è‚ã¯/etc/rc.localã‚’ä½¿ã‚ãªã„ã“ã¨ã€‚ ä¸Šä½ãƒ«ãƒ¼ã‚¿ã§ã®é™çš„ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°è¨å®š ä¸Šä½ãƒ«ãƒ¼ã‚¿ãŒãƒãƒ¼ãƒ‰ã®ã‚¹ã‚¤ãƒƒãƒã§ã¯ãªã„ + Red Hat Ente
k_37to 2009/05/08
lvs

keepalived

vrrp

iptables
ãƒªãƒ³ã‚¯
Freak: RHEL5ã§keepalived (VRRPã ã‘)
202407 Â« 1Â 2Â 3Â 4Â 5Â 6Â 7Â 8Â 9Â 10Â 11Â 12Â 13Â 14Â 15Â 16Â 17Â 18Â 19Â 20Â 21Â 22Â 23Â 24Â 25Â 26Â 27Â 28Â 29Â 30Â 31 Â» 202409 ã€ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ï¼†ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã€‘ # cd /usr/local/src # tar zxf keepalived-1.1.15.tar.gz # cd keepalived-1.1.15 # ./configure # make # make install # cd /etc/init.d # cp /usr/local/src/keepalived-1.1.15/keepalived/etc/init.d/keepalived.rh.init keepalived ã€/etc/init.d/keepalivedã€‘ . /etc/init.d/functions ã®ä¸‹ã‚ãŸã‚Šã« PATH=$
k_37to 2009/05/08
lvs

keepalived

vrrp
ãƒªãƒ³ã‚¯
LVS+keepalived ã§è² è·åˆ†æ•£
LVS ã¨ keepalived ã§è² è·åˆ†æ•£ã«æŒ‘æˆ¦ã—ã¦ã¿ã¾ã—ãŸã‚ˆï¼ CentOS release 5.2 ã§ã™ã‚ˆã€‚ æ§‹æˆã¯ã“ã‚“ãªæ„Ÿã˜ |192.168.1.100 +-----------+ | LVS | +-----------+ | +---------------+ | | +-----------+ +-----------+ |192.168.1.4| |192.168.1.5| +-----------+ +-----------+ ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã«ã™ã‚‹ãƒžã‚·ãƒ³ã«LVSã¨keepalivedã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¾ã™ã€‚ LVSã¯ã€RPMã§ã•ãã£ã¨å…¥ã‚Šã¾ã™ã€‚ yum -y install ipvsadm keepalived RPM ãŒç„¡ã„ã‹ã‚‰ä½œã‚Šã¾ã™ã€‚ [root@~ ] yum -y install kernel-devel [root@~ ] cd /usr/src/redhat
k_37to 2009/05/07
centos

5.2

keepalived

lvs

install
ãƒªãƒ³ã‚¯
SeeIné–‹ç™ºæ—¥èªŒ - LVSã‚’ä½¿ã£ãŸãƒ–ãƒãƒ¼ã‚«ãƒ¼ã®æ§‹ç¯‰ï¼šï½¢keepalived.confï½£ã«ã¤ã„ã¦ã®èª¬æ˜Ž
ä»Šå›žæ§‹ç¯‰ã‹ã‚‰æ¤œè¨¼ã¾ã§ã®é–“ã§èª¬æ˜Žã‚’çœç•¥ã—ã¦ã„ãŸ ï½¢keepalived.confï½£ã«ã¤ã„ã¦ç§ãŒç†è§£ã—ã¦ã„ã‚‹ç¯„ç–‡ã§èª¬æ˜Žã—ã¾ã™ã€‚ â€»èª¤ã‚Šç‰ã‚ã‚Œã°ã”æŒ‡æ‘˜ã„ãŸã ã‘ã‚‹ã¨åŠ©ã‹ã‚Šã¾ã™ã€‚ã€‚ã€‚ ã¾ãšã€èª¬æ˜Žã®å¯¾è±¡ã¨ãªã‚‹ï½¢keepalived.confï½£ã‚’ä»¥ä¸‹ã«æŽ²è¼‰ã„ãŸã—ã¾ã™ã€‚ vrrp_instance vip_mysqld { state BACKUP interface eth0 grap_master_delay 5 virtual_router_id 1 priority 100 nopreempt advert_int 1 authentication { auth_type PASS auth_pass secret } virtual_ipaddress { 10.1.100.100/24 dev eth0 } } virtual_server 10.1.100.
k_37to 2009/04/28
lvs

keepalived
ãƒªãƒ³ã‚¯
DSASé–‹ç™ºè€…ã®éƒ¨å±‹:ç‰¹é›†è¨˜äº‹ã€ŽLinuxãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µæ§‹ç¯‰ãƒ»é‹ç”¨ãƒŽã‚¦ãƒã‚¦ã€ã‚’å…¬é–‹ã—ã¾ã™
ã€ŽLinuxãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µæ§‹ç¯‰ãƒ»é‹ç”¨ãƒŽã‚¦ãƒã‚¦ã€ã‚’å…¬é–‹ã—ã¾ã™ï¼ ã“ã‚Œã¯WEB+DB PRESS Vol.37ã®ç‰¹é›†è¨˜äº‹ã¨ã—ã¦DSASãƒãƒ¼ãƒ ãŒåŸ·ç†ã—ãŸã‚‚ã®ã§ã€æŠ€è¡“è©•è«–ç¤¾æ§˜ã®è¨±å¯ã‚’å¾—ã¦ä»Šå›žå…¬é–‹ã™ã‚‹ã¯ã“ã³ã¨ãªã‚Šã¾ã—ãŸã€‚ ä¸€å£ã§ã„ã†ã¨ã€ã€ŒLinuxï¼‹IPVSï¼‹keepalivedã‚’ä½¿ã£ã¦ã€å†—é•·æ§‹æˆ(Active/Backup)ã®ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’ä½œã‚‹ã¾ã§ã€ã®è§£èª¬è¨˜äº‹ã§ã€ ã‚µãƒ¼ãƒè² è·åˆ†æ•£ä¸€èˆ¬ã«ã¤ã„ã¦ã®ã¯ãªã— Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’ä½œã£ã¦ã¿ã‚‹ ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’å†—é•·åŒ– ã¨ã„ã£ãŸæ§‹æˆã«ãªã£ã¦ã„ã¾ã™ã€‚ ã¿ãªã•ã‚“ãŒLinuxãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’å°Žå…¥ãƒ»æ§‹ç¯‰ãƒ»é‹ç”¨ã™ã‚‹éš›ã®ä¸€åŠ©ã«ãªã‚Œã°ã€DSASãƒãƒ¼ãƒ ã¨ã—ã¦ã‚‚ã†ã‚Œã—ã„é™ã‚Šã§ã™ã®ã§ã€æ˜¯éžã€ã”è¦§ã«ãªã£ã¦ãã ã•ã„ï¼ ç¬¬1ç« ã‚µãƒ¼ãƒè² è·åˆ†æ•£æ¦‚è«– ç‰¹é›†ã®ã¯ã˜ã‚ã« ãªãœã‚µãƒ¼ãƒè² è·åˆ†æ•£ã‚’ã™ã‚‹ã®ã‹ï¼Ÿ ã‚µãƒ¼ãƒè² è·åˆ†æ•£ã®å®Ÿç¾æ–¹æ³• ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã®ã„ã‚‹æ§‹æˆ ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã¯ãªã«ã‚’å…ƒã«åˆ†æ•£ã™
k_37to 2009/04/28
lvs

keepalived

ipvsadm
ãƒªãƒ³ã‚¯
Keepalived for Linux
Home Download Documentation Release Notes List & Archives Sponsors Keepalived is a routing software written in C. The main goal of this project is to provide simple and robust facilities for loadbalancing and high-availability to Linux system and Linux based infrastructures. Loadbalancing framework relies on well-known and widely used Linux Virtual Server (IPVS) kernel module providing Layer4 load
k_37to 2009/04/15
lvs

keepalived
ãƒªãƒ³ã‚¯
keepalivedã§ãƒ•ã‚§ã‚¤ãƒ«ãƒãƒƒã‚¯ç„¡åŠ¹ã«ã—ãŸã¨ãã®æŒ™å‹•ã€œLANã‚±ãƒ¼ãƒ–ãƒ«éšœå®³ç·¨ã€œ - ã‚ˆã‹ã‚ã†ã‚‚ã‚“ï¼
ä»¥å‰ã®ã‚¨ãƒ³ãƒˆãƒªã€Žkeepalivedã§ãƒ•ã‚§ã‚¤ãƒ«ãƒãƒƒã‚¯ç„¡åŠ¹(nopreempt)ã«ã—ãŸã¨ãã®æŒ™å‹•ã€ã§ã¯ã€ä»¥ä¸‹ã®ã‚ˆã†ãªçŠ¶æ³ã§ãƒ•ã‚§ã‚¤ãƒ«ãƒãƒƒã‚¯ã™ã‚‹ã‹ã©ã†ã‹ã®ç¢ºèªã‚’ã—ã¾ã—ãŸã€‚ keepalivedã‚µãƒ¼ãƒ“ã‚¹ãŒåœæ¢ã—ã€ãƒžã‚¹ã‚¿ã‹ã‚‰ã‚¹ãƒ¬ãƒ¼ãƒ–ã«ä»®æƒ³IPãŒå¼•ãç¶™ãŒã‚ŒãŸå¾Œã«å…ƒãƒžã‚¹ã‚¿ã®keepalivedã‚µãƒ¼ãƒ“ã‚¹ã‚’èµ·å‹•ã—ãŸã¨ã keepalivedã§ãƒ˜ãƒ«ã‚¹ãƒã‚§ãƒƒã‚¯ã—ã¦ã„ã‚‹ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã‚’æ„å›³çš„ã«ãƒ€ã‚¦ãƒ³ã•ã›ã€ã‚¹ãƒ¬ãƒ¼ãƒ–ã«ä»®æƒ³IPãŒå¼•ãç¶™ãŒã‚ŒãŸå¾Œã«ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã‚’ã‚¢ãƒƒãƒ—ã•ã›ãŸã¨ã keepalivedã®æŒ¯ã‚‹èˆžã„ã¨ã—ã¦ã€ãƒ•ã‚§ã‚¤ãƒ«ãƒãƒƒã‚¯ç„¡åŠ¹ã®è¨å®šã‚’ã—ã¦ã„ã‚‹å ´åˆã¯ã€keepalivedã‚’å…ˆã«èµ·å‹•ã—ãŸå´ãŒå¸¸ã«ãƒžã‚¹ã‚¿ã¨ãªã‚‹ã¨ã„ã†ã“ã¨ã‹ã‚‰ã€å‰è€…ã®å ´åˆã¯ãƒ•ã‚§ã‚¤ãƒ«ãƒãƒƒã‚¯ã—ãªã„ã“ã¨ãŒç¢ºèªã§ãã¾ã—ãŸã€‚ ã—ã‹ã—å¾Œè€…ã®å ´åˆã¯ã€keepalivedã®ã‚µãƒ¼ãƒ“ã‚¹ã¯åœæ¢ã—ã¦ã„ãªã„ãŸã‚ã€ãƒ•ã‚§ã‚¤ãƒ«ãƒãƒƒã‚¯ã—ã¦ã—ã¾ã†ã“ã¨ã‚’ç¢ºèªã™ã‚‹ã“ã¨ãŒã§ãã¾ã—ãŸã€‚ ä»¥å‰ã®ã‚¨ãƒ³
k_37to 2009/04/15
lvs

keepalived
ãƒªãƒ³ã‚¯
http://jun.matrix.jp/skills/document/lvs.txt
k_37to 2009/04/15
lvs

keepalived

ipvsadm
ãƒªãƒ³ã‚¯
LVS-mini-HOWTO
Copyright Â© 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2012 Joseph Mack v2012.03 Mar 2012, released under GPL. Note: Mar 2014 This mini-HOWTO is no longer being maintained. Table of Contents 1. Introduction1.1. Location of this document1.2. other mini-HOWTOs1.3. What an LVS does2. Minimum Hardware/Network requirements2.1. Link layer2.2. Gotchas: you need an outside client (the director and re
k_37to 2008/10/30
lvs

example

resources
ãƒªãƒ³ã‚¯
36. LVS: High Availability, Failover protection
In a production system you want to be able to do planned maintenance: remove, upgrade, add or replace nodes, without interruption of service to the client. Machines may crash, so a mechanism for automatically handling this is required too. Redundancy of services on the realservers is one of the useful features of LVS. One machine/service can be removed from the functioning virtual server for upgra
k_37to 2008/10/29
lvs

mysql
ãƒªãƒ³ã‚¯
Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ - tea2kaã®ãƒ–ãƒã‚°
Webã‚µãƒ¼ãƒä¸€å°ã®ãƒ€ã‚¦ãƒ³ã§å¤œä¸ã«å‘¼ã³å‡ºã•ã‚Œã‚‹ãªã‚“ã¦(å®Ÿè©±ï¼‰å ªã‚‰ãªã„ã®ã§ã€ã‚³ã‚¹ãƒˆé‡è¦–ã®ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’å‹æ‰‹ã«èª¿ã¹ã¦ã¿ã‚‹ã€‚èˆˆå‘³åŠåˆ†å®Ÿç”¨åŠåˆ†ã€‚ å®Ÿã¯ã¯ã¦ãªã¨ã‹ï¼«ï¼¬ï½ï½‚ã®äººãŒï¼’å¹´ä½å‰ã‹ã‚‰è³‡æ–™ã‚’å…¬é–‹ã—ã¦ãã‚Œã¦ã„ãŸã€‚çŸ¥ã‚‹ã®ãŒé…ã‹ã£ãŸã‘ã©ã€è©¦ã—ã¦ã¿ãŸã€‚ãƒãƒƒãƒˆã§æ‰‹é †ã‚’èª¿ã¹ãŸã‚‰ã€çµæ§‹ç°¡å˜ã€‚å°‚ç”¨æ©Ÿã®æ–¹ãŒãƒ©ã‚¯ãªã‚“ã ã‚ã†ã‘ã©ã€ä¾¡æ ¼ã®ãƒãƒ¼ãƒ‰ãƒ«ãŒé«˜ã„ã‹ã‚‰ãªãƒ¼ã€‚äººåŠ›å¾©æ—§ã«å…¨ã¦ã‚’ä»»ã›ã¦ã„ã‚‹ã‚¦ãƒã®ä¼šç¤¾ã«ã¡ã‚‡ã†ã©ã„ã„ã‚“ã˜ã‚ƒã‚ãªã„ã®ã‹ã€‚ã‚³ã‚¹ãƒˆã‹ã‹ã‚‰ãªã„ã—ã€‚ ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã®ï¼®ï¼¡ï¼´æ–¹å¼ã¯çŸ¥ã£ã¦ã‘ã‚Œã©ã€ï¼¤ï¼³ï¼²æ–¹å¼ã£ã¦æ„å‘³ãŒã‚ã‹ã‚‰ãªã‹ã£ãŸã€‚æˆ»ã‚Šãƒ‘ã‚±ãƒƒãƒˆã¯ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆãŒå—ã‘ä»˜ã‘ãªã„ã‚“ã˜ã‚ƒãªã¨æ€ã£ã¦ã„ãŸã€‚ï¼¤ï¼³ï¼²ã®è§£èª¬è¦‹ãŸçž¬é–“ã€ç›®ã‹ã‚‰ã†ã‚ã“ã€‚ãƒ«ãƒ¼ãƒ—ãƒãƒƒã‚¯ã«ï¼¶ï¼©ï¼°ã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’å‰²ã‚Šå½“ã¦ã‚‹ã¨ã‹ã‚ˆãè€ƒãˆãŸãªãƒ¼ã€‚ç¢ºã‹ã«ãƒ«ãƒ¼ãƒ—ãƒãƒƒã‚¯ãªã‚‰publicãªLANã˜ã‚ƒãªã„ã—ã€ï¼©ï¼°ã‚¢ãƒ‰ãƒ¬ã‚¹é‡è¤‡ã‚‚ç„¡ã„ã€‚httpsã‚¢ã‚¯ã‚»ãƒ©ãƒ¬ãƒ¼ã‚¿æ©Ÿèƒ½ã‚‚ãªã‚“ã¨ã‹ãªã‚‰ãªã„ã‹ãªã€‚ ãƒãƒ¼ãƒ‰ãƒ
k_37to 2008/10/29
lvs

sample
ãƒªãƒ³ã‚¯
LVSã§æ§‹ç¯‰ã™ã‚‹gatewayingåž‹è² è·åˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ
EnterpriseZineï¼ˆã‚¨ãƒ³ã‚¿ãƒ¼ãƒ—ãƒ©ã‚¤ã‚ºã‚¸ãƒ³ï¼‰ç·¨é›†éƒ¨ã§ã¯ã€æƒ…å ±ã‚·ã‚¹ãƒ†ãƒ æ‹…å½“ã€ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£æ‹…å½“ã®æ–¹ã€…å‘ã‘ã«ã€EnterpriseZine Dayã€Security Online Dayã€DataTechã¨ã„ã†ã€3ã¤ã®ã‚¤ãƒ™ãƒ³ãƒˆã‚’é–‹å‚¬ã—ã¦ãŠã‚Šã¾ã™ã€‚ãã‚Œãžã‚Œç·¨é›†éƒ¨ç‹¬è‡ªã®åˆ‡ã‚Šå£ã§ã€æ¥ç•Œãƒˆãƒ¬ãƒ³ãƒ‰ã‚„æœ€æ–°äº‹ä¾‹ã‚’ç¶²ç¾…ã€‚æœ€æ–°ã®å‹•å‘ã‚’çŸ¥ã‚‹ã“ã¨ãŒã§ãã‚‹å ´ã¨ã—ã¦ã€å¥½è©•ã‚’å¾—ã¦ã„ã¾ã™ã€‚
k_37to 2008/10/29
lvs

iptables
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æ²»ç™‚ä¸å¯ - æ¤œç´¢çµæžœ
ã“ã‚Œã¾ã§ï¼ˆUbuntuã§Proxyã‚µãƒ¼ãƒãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚¹(1)ã€Ubuntuã§Proxyã‚µãƒ¼ãƒãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚¹(2)ï¼‰æ§‹ç¯‰ã—ãŸã¨ãŠã‚Šã€Ubuntu Server 12.04LTSã‚’ä½¿ã£ã¦ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µãƒ¼ã‚’æ§‹ç¯‰ã—ã€Proxyã‚µãƒ¼ãƒã®è² è·åˆ†æ•£ã€éšœå®³æ¤œçŸ¥ã¨è‡ªå‹•ã§ã®åˆ‡ã‚Šé›¢ã—ã€çµ„ã¿è¾¼ã¿ã‚’å‹•ä½œã•ã›ã‚‹ã¨ã“ã‚ã¾ã§æ§‹ç¯‰ã—ã¾ã—ãŸã€‚ æ®‹ã£ãŸå•é¡Œã§ã‚ã‚‹ã€ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µãƒ¼ãŒãƒ€ã‚¦ãƒ³ã—ãŸã¨ãã«çµå±€ã‚·ã‚¹ãƒ†ãƒ ãŒæ¢ã¾ã£ã¦ã—ã¾ã†ã¨ã„ã†å•é¡Œã«å¯¾å‡¦ã™ã‚‹ãŸã‚ã€ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µãƒ¼ã‚’ã‚¯ãƒ©ã‚¹ã‚¿æ§‹æˆã—ã¦ã¿ã‚ˆã†ã¨æ€ã„ã¾ã™ã€‚ ã‚¯ãƒ©ã‚¹ã‚¿æ§‹æˆã¨è¨€ã£ã¦ã‚‚è‰²ã€…ã‚ã‚Šã¾ã™ãŒã€ä»Šå›žã¯keepalivedã®VRRPã‚’ãã®ã¾ã¾ä½¿ã£ã¦ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µãƒ¼ã‚’Active / Standbyåž‹ã®ã‚¯ãƒ©ã‚¹ã‚¿ã«ã—ã¦ã—ã¾ã„ã¾ã™ã€‚ å˜ç´”ã«ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µãƒ¼ï¼’ã‚’è¿½åŠ ã—ã¾ã™ã€‚ãã—ã¦Proxyã‚µãƒ¼ãƒã®ä»®æƒ³IPã‚¢ãƒ‰ãƒ¬ã‚¹ï¼ˆ192.168.100.10ï¼‰ã‚’VRRPã«ã‚ˆã‚‹ãƒ•ãƒãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚¢ãƒ‰ãƒ¬ã‚¹ã«ã—ã¦ã—ã¾
k_37to 2008/10/29
lvs

example

dsr
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å®Ÿé¨“ç”¨ã®ã‚µãƒ¼ãƒã§LVS+DSRã‚’è©¦ã™ã€‚ - cys b
ä»Šå›žä½¿ã£ãŸã®ã¯ã€ HW:Thinkpad T23 3å° OS:Fedora Core 5 å„ã‚µãƒ¼ãƒã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ lvs IP:192.168.0.40 ä»®æƒ³IP:192.168.0.41 app00 IP:192.168.0.50 ãƒ«ãƒ¼ãƒ—ãƒãƒƒã‚¯IP:192.168.0.41 app01 IP:192.168.0.51 ãƒ«ãƒ¼ãƒ—ãƒãƒƒã‚¯IP:192.168.0.41 lvsã®è¨å®š #yum install ipvsadm #ifconfig eth0:0 192.168.0.41 netmask 255.255.255.0 #echo "1" >/proc/sys/net/ipv4/ip_forward /etc/sysctl.confã®ä»¥ä¸‹ã®è¡Œã‚’è¨å®š net.ipv4.ip_forward = 1 #ipvsadm -A -t 192.168.0.41 -s rrï¼ˆã²ã¨ã¾ãšãƒ©ã‚¦ãƒ³ãƒ‰ãƒãƒ“ãƒ³ï¼‰
k_37to 2008/10/29
lvs

dsr

example
ãƒªãƒ³ã‚¯
LVS on CentOS 5 : wanatabe's Weblog
CentOS 5 ä¸Šã§ LVS(Linux Virtual Server) ã‚’å‹•ã‹ã—ã¦ã¿ã¾ã™ã€‚ã“ã‚Œã‚’ä½¿ã†ã¨ Linux ã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’çµ„ã‚€ã“ã¨ãŒã§ãã¾ã™ã€‚ â€»VMware Server ä¸Šã« CentOS 5 ã‚’ 2 ã¤ç¨¼å‹•ã•ã›ã¦å‹•ä½œã•ã›ã¾ã—ãŸã€‚ â€»LVS ç”¨ã® OS å´ã«ã¯ VMware Server ã§ NIC(eth1) ã‚’è¿½åŠ ã—ã¦ãŠãå¿…è¦ãŒã‚ã‚Šã¾ã™(Host-only ã§è¨å®šã—ã¾ã™)ã€‚ â€»ç’°å¢ƒãŒãªã„ã®ã§ãƒãƒ¼ãƒˆã‚’ã‚ã‘ã¦è¨å®šã—ã¾ã—ãŸãŒã€å®Ÿéš›ã«ã¯å®Ÿã‚µãƒ¼ãƒã‚’è¤‡æ•°å°ç”¨æ„ã—ãŸã»ã†ãŒè‰¯ã„ã§ã™ã€‚ ç’°å¢ƒ OSãƒ›ã‚¹ãƒˆåIPã‚¢ãƒ‰ãƒ¬ã‚¹1IPã‚¢ãƒ‰ãƒ¬ã‚¹2ãƒãƒ¼ãƒˆWWW ã‚µãƒ¼ãƒ CentOS 5toire192.168.101.128: eth010.0.0.1:eth180ã€€ CentOS 5ohuro10.0.0.2: eth0ã€€ã€€8000, 8001Apache-2.2.6 ipvsadm ã®ã‚¤ãƒ³
k_37to 2008/10/03
linux

lvs

centos

network
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LVS - PukiWiki
LB ç”¨ãƒžã‚·ãƒ³ã®ã‚»ãƒƒãƒˆã‚¢ãƒƒãƒ— â€ kernel : CentOS 4.5 ã«æ¨™æº–ã§å…¥ã£ã¦ã„ã‚‹ã‚‚ã®ã‚’ä½¿ã†ã€‚keepalibed ã®ãƒ“ãƒ«ãƒ‰ã®ãŸã‚ã« kernel ã® header ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚‚å…¥ã‚Œã¦ãŠãã€‚ ipvsadm : CentOS 4.5 ã®ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã§ç”¨æ„ã•ã‚Œã¦ã„ã‚‹ã‚‚ã®ã‚’ä½¿ã†ã€‚ keepalived : CentOS 4.5 ã«ã¯ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ãŒç”¨æ„ã•ã‚Œã¦ã„ãªã„ã®ã§ã€ç‹¬è‡ªãƒ“ãƒ«ãƒ‰ã€‚ â†‘ keepalived ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« â€ http://www.keepalived.org/ keepalived-1.1.15.tar.gz ã‚’å…¥æ‰‹ã€‚ configure ã‚’å®Ÿè¡Œã™ã‚‹ã¨ rpm ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’ä½œæˆã™ã‚‹ãŸã‚ã® spec ãƒ•ã‚¡ã‚¤ãƒ« keepalived.spec ãŒç”Ÿæˆã•ã‚Œã‚‹ã®ã§ã€ã“ã‚Œã‚’ç”¨ã„ã¦ rpm ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’ä½œæˆã—ã€ ä½œæˆã—ãŸãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã€‚ è‡ªåˆ†ã® $HOME ã§ rpm ä½œ
k_37to 2008/10/03
linux

lvs

vrrp

network
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æ›¸ç±ãƒ»é›‘èªŒè¨˜äº‹ - KLablabWiki
ã“ã®ã‚µã‚¤ãƒˆã¯KLabæ ªå¼ä¼šç¤¾ãŒé–‹ç™ºã—ãŸã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚„ãƒŽã‚¦ãƒã‚¦ã€å®Ÿé¨“çš„ãªã‚µãƒ¼ãƒ“ã‚¹ã‚’å…¬é–‹ã—ã¦ã„ãã¾ã™ã€‚ RSS Feed
k_37to 2007/10/27
server

management

MySQL

lvs

magazine
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LVS/TUN without iptables : blog.nomadscafe.jp
LVS/TUN without iptables IP tunnelingã‚’åˆ©ç”¨ã—ãŸLVSã§ã€VIPã‚’ãƒªã‚¢ãƒ«ã‚µãƒ¼ãƒã§å‡¦ç†ã™ã‚‹ãŸã‚ã«ã€iptablesã‚’ä½¿ã£ã¦ã¾ã—ãŸãŒã€iptablesã®ip_conntrack_max(nf_conntrack_max)ã¨ã‹ãŒæ°—ã«ãªã‚‹ï¼ˆæ°—ã«ãªã‚‹ç¨‹åº¦ã€é™ç•Œã¯ã‚ã‹ã‚‰ãªã„ï¼‰ãªã®ã§ã€iptablesã‚’ä½¿ã‚ãªã„æ–¹æ³•ã‚’èª¿ã¹ã¦ã¿ã¾ã—ãŸ iptablesã‚’ä½¿ã£ãŸãƒ‘ã‚¿ãƒ¼ãƒ³ã§ã¯ã€redirectã‚’ä½¿ã„ã¾ã™ã€‚ tunl0ã«ethXã®IPã‚’å‰²ã‚Šå½“ã¦ã¦èµ·å‹•ã—ã€VIPå®›ã®ãƒ‘ã‚±ãƒƒãƒˆã‚’å—ã‘å–ã‚‹è¨å®šã«ãªã‚Šã¾ã™ IF0=`/sbin/ifconfig eth0 | grep 'inet addr:' | awk {'print $2'} | head -1 | cut -d ':' -f 2` /sbin/ifconfig tunl0 $IF1 netmask 255.255.255.255
k_37to 2007/10/20
lvs

iptables
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IBM Developer
k_37to 2007/10/12
server

management

lvs
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