[B! LVS] bigwestã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

bigwest id:bigwest

LVSã«é–¢ã™ã‚‹bigwestã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (7)

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Keepalivedã«ã‚ˆã‚‹ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µLVSæ§‹ç¯‰ - RLB
LVSæ§‹ç¯‰ã«ãŠã‘ã‚‹æœ€å¼·ã®æ‰‹é †æ›¸ã‚’æ®‹ã—ã¦ã¿ã¾ã—ãŸã€‚ ã¯ã˜ã‚ã« ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µï¼ˆLVSï¼‰ã®éœ€è¦ã¯é–“é•ã„ãªãã‚ã‚‹ã¨æ€ã†ã®ã§ã™ãŒã€ã„ã‹ã‚“ã›ã‚“ãƒãƒƒãƒˆã«æƒ…å ±ãŒå°‘ãªã„ã€‚ ã‹ã®æœ‰åãªã€Œã‚µãƒ¼ãƒ/ã‚¤ãƒ³ãƒ•ãƒ©ã‚’æ”¯ãˆã‚‹æŠ€è¡“ã€ãŒå‡ºç‰ˆã•ã‚ŒãŸ2008å¹´ã‚ãŸã‚ŠãŒãƒ”ãƒ¼ã‚¯ã®æ„ŸãŒã‚ã‚‹ã€‚(Klabã•ã‚“ã®è¨˜äº‹ã«ã¯å¤§å¤‰ãŠä¸–è©±ã«ãªã‚Šã¾ã—ãŸ) Googleã§èª¿ã¹ã¦ã‚‚ã¾ã¨ã¾ã£ãŸæƒ…å ±ãŒãªã‹ã£ãŸã‚Šã™ã‚‹ã®ã§ã€æœ€åˆã¯å¤§å¤‰ã§ã—ãŸã€‚ æ™®æ®µã‚¤ãƒ³ãƒ•ãƒ©å‘¨ã‚Šã§ä»•äº‹ã—ã¦ã„ã‚‹ã®ã§ã€ãã“ã§åŸ¹ã£ãŸãƒŽã‚¦ãƒã‚¦ã‚’å‡ºã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ãƒžã‚¤ãƒ–ãƒã‚°å²ä¸Šæœ€å¤§ã®æƒ…å ±é‡ã€‚ ä»Šå›žã¯ã€ŒCentOS6.4 x86_64ãƒžã‚·ãƒ³ã€ã«ã€Œæœ€æ–°ç‰ˆkeepalived-1.2.7ã‚’å°Žå…¥ã€ã§ã€Œå‰²ã‚Šã¨æœ¬ç•ªé‹ç”¨ã«è€ãˆã‚‰ã‚Œã‚‹æ‰‹é †ã€ã‚’è§£èª¬ã€‚ã‚‚ã¡ã‚ã‚“å®šç•ªã®IPVS + Keepalived ã®Direct Server Return(DSR)æ§‹æˆã€‚ â€»æ˜¯éžã‚³ãƒ¡ãƒ³ãƒˆæ¬„ã§ã‚‚ã•ã‚‰ã«æœ‰ç›Šãªæƒ…å ±ãŒã‚ã‚Šã¾ã—ãŸã‚‰æ“è¿Žã§ã™ã€‚ å†…å®¹
bigwest 2014/03/09
LVS

keepalived

linux

loadbalancer
ãƒªãƒ³ã‚¯
DELLã®ã‚µãƒ¼ãƒã§CentOS6ã§LVS+keepalivedãªãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’æ§‹ç¯‰ã—ãŸã‚‰ãƒãƒžã£ãŸã‚Šã—ãŸè©±
ã¿ãªã•ã‚“ã©ã†ã‚‚ã“ã‚“ã«ã¡ã¯ã€‚CTOã®é¦¬å ´ã§ã™ã€‚ æœ€è¿‘DELLã®ã‚µãƒ¼ãƒ(R410)ã§ã€CentOS6.3ã‚’ä½¿ã£ã¦LVS+keepalivedãªãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’æ§‹ç¯‰ã—ãŸã‚‰ è¦‹äº‹ã«ãƒãƒžã£ãŸã‚Šã—ãŸã®ã§è¨˜å¿µãƒã‚¹ãƒˆã€‚ ã¡ã‚‡ã£ã¨é•·ã„ã®ã§ã€ä¸€ç•ªã®ãƒ‰ãƒãƒžãƒªã ã‘è¦‹ãŸã„æ–¹ã¯æœ€å¾Œã®ã€Œé€šä¿¡é€Ÿåº¦ãŒè‘—ã—ãé…ã„ä»¶ã€ã ã‘ã§ã‚‚è¦‹ã¦ã„ãŸã ã‘ã‚‹ã¨ã‚ˆã‚ã—ã„ã‹ã¨æ€ã„ã¾ã™ã€‚ã‹ã—ã“ã€‚ eth0ã€eth1ãŒãªã„ä»¶ ã„ã‚„ãƒ¼ã€‚ã³ã³ã£ãŸã€‚ã¾ã˜ã§ã³ã³ã£ãŸã€‚ ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹åãŒem1ã€em2ã«ãªã£ã¦ã¾ã™ã€‚ãã‚‚ã„ã€‚ ã“ã®ã‚ãŸã‚Šã‚’å‚è€ƒã«å¯¾å¿œã—ã¾ã™ã€‚ Getting back to using eth0 in Fedora 15 /boot/grub/grub.conf ã« biosdevname=0 è¿½è¨˜ /etc/udev/rules.d/70-persistent-net.rules ã® NAME ã‚’å¤‰æ›´ /etc/sysconfig/networ
bigwest 2012/10/02
CentOS

keepalived

LVS
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Linuxã®LVS(IPVS)ã§MySQLã‚’ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚¹ã™ã‚‹ã¨ãã¯timeoutã«æ³¨æ„ - ï¼ˆã²ï¼‰ãƒ¡ãƒ¢
æ§‹æˆ [appã‚µãƒ¼ãƒ] -> [lvs] -> [MySQL]ç¾¤ DRã§MySQLã®ã‚¹ãƒ¬ãƒ¼ãƒ–ç¾¤ã«ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚¹ appã‚µãƒ¼ãƒã¯DBã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã®ãƒ—ãƒ¼ãƒªãƒ³ã‚°ã€æ°¸ç¶šåŒ–ã‚’ã—ã¦ã„ã‚‹ å•é¡Œã®ç¾è±¡ DBã‚µãƒ¼ãƒä¸Šã§ã¯mysqldã¸ã®ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãŒå˜åœ¨ã™ã‚‹ã®ã«ã€appã‚µãƒ¼ãƒä¸Šã§ã¯ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãŒå˜åœ¨ã—ãªã„ã€‚(netstatèª¿ã¹) â†’ç„¡ç”¨ãªã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãŒæ®‹ç•™ã™ã‚‹ã›ã„ã§ã€MySQLã®max_connectionsã«é”ã—ã¦ã—ã¾ã†ã€‚ åŽŸå› MySQLã®ä¸–ç•Œã®ç„¡é€šä¿¡æ™‚ã®ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã®ã‚¿ã‚¤ãƒ ã‚¢ã‚¦ãƒˆã¯ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ 28800ç§’ (8æ™‚é–“)ã€‚ä¸€æ–¹ã€IPVSã®ä¸–ç•Œã®ç„¡é€šä¿¡æ™‚ã®ã‚¿ã‚¤ãƒ ã‚¢ã‚¦ãƒˆã¯ESTABLISHEDãªã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã§900ç§’ (15åˆ†)ã€‚ # ipvsadm -Ln --timeout Timeout (tcp tcpfin udp): 900 120 300ãªã®ã§ã€DBã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã®æ°¸ç¶šåŒ–ç‰ã§ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã‚’å¼µã‚Šã£
bigwest 2011/06/08
mysql

LVS
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é«˜ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã«å¯¾å¿œã§ãã‚‹Linuxãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’ç›®æŒ‡ã—ã¦ ã€œ LVSã‚’NATã‹ã‚‰DSRã¸ : DSASé–‹ç™ºè€…ã®éƒ¨å±‹
ã€Œã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã€ã®ã‚·ãƒªãƒ¼ã‚ºã§ã¯ã€ ã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ (1) ã€œ LVS + NATã§è² è·åˆ†æ•£ã‚’ã—ã¦ã¿ã‚ˆã† ã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ (2) ã€œ keepalivedã§Webã‚µãƒ¼ãƒã®ãƒ˜ãƒ«ã‚¹ãƒã‚§ãƒƒã‚¯ ã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ (3) ã€œ VRRPã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’ç„¡åœæ¢ã«ã™ã‚‹ ã“ã‚“ãªæµã‚Œã§NATã«ã‚ˆã‚‹è² è·åˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã—ã¦ãã¾ã—ãŸã€‚ ä»Šå›žã¯ã“ã‚Œã‚’ DSR(Direct Server Return) æ–¹å¼ã«å¤‰æ›´ã—ã¦ã¿ã¾ã™ã€‚ ã€ŒDSRã¨ã¯ãªã‚“ãžã‚„ï¼Ÿã€ã¨ã„ã†æ–¹ã¯ã€ ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã®é‹ç”¨.DSRã£ã¦çŸ¥ã£ã¦ã¾ã™ã‹? L4ã‚¹ã‚¤ãƒƒãƒã¯DSRæ§‹æˆã«ã™ã¹ã— ã“ã¡ã‚‰ã§ã‚ã‹ã‚Šã‚„ã™ãèª¬æ˜Žã•ã‚Œã¦ã„ã¾ã™ã®ã§å‚è€ƒã«ã—ã¦ã¿ã¦ãã ã•ã„ã€‚ ä¸€èˆ¬çš„(?)ã«å¤§è¦æ¨¡ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã™ã‚‹å ´åˆã¯ã€ã€Œãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æ©Ÿå™¨ã®æ•´å‚™ã¯ã“ã®éƒ¨é–€ã€ã€ã€Œã‚µãƒ¼ãƒã®èª¿
bigwest 2009/11/10
Linux

LVS

loadbalancer
ãƒªãƒ³ã‚¯
åŒä¸€ã‚»ã‚°ãƒ¡ãƒ³ãƒˆã§ã®LVS
Linuxã§LVSã‚’åˆ©ç”¨ã—ã¦ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’æ§‹ç¯‰ã—ã¦ã„ã¾ã™ã€‚ æ§‹æˆ1ï¼š LB[keepalived(192.168.1.1)]ä»®æƒ³(192.168.0.3) A[Apache(192.168.0.1)] B[Apache(192.168.0.2)] æ§‹æˆ2ï¼š A[Apache+keepalived(192.168.0.1)]ä»®æƒ³(192.168.0.3) B[Apache(192.168.0.2)] DSASã®ãƒšãƒ¼ã‚¸ãªã©ã‚’å‚è€ƒã«ã—ã¦ã„ã‚‹ã®ã§ã™ãŒã€æ§‹æˆ1ã®3å°æ§‹æˆNATã§ã‚ã‚Œã°å•é¡Œãªãå‹•ãã¾ã™ã€‚ã—ã‹ã—æ§‹æˆ2ã®åŒä¸€ã‚»ã‚°ãƒ¡ãƒ³ãƒˆã§ã‚µãƒ¼ãƒãã®ã‚‚ã®ã«ä»®æƒ³ã‚’æŒãŸã›ã‚‹ã¨ã†ã¾ãã„ãã¾ã›ã‚“ã€‚ã©ã†ã‚‚AãŒä»®æƒ³ã‚’æŒã£ãŸéš›ã«192.168.0.2ã¸ã®æŒ¯ã‚Šåˆ†ã‘ãŒç™ºç”Ÿã—ã¦ã‚‚ã€è‡ªèº«ã§å‡¦ç†ã—ã‚ˆã†ã¨ã—ã¦ã„ã‚‹ã®ã‹å¤±æ•—ã—ã¦ã—ã¾ã„ã¾ã™ã€‚è¨å®šã¯ä»¥ä¸‹ã®é€šã‚Šã§ã™ã€‚ä½•ãŒè¶³ã‚Šãªã„ã®ã‹æ•™ãˆã¦é ‚ã‘ã‚‹ã¨åŠ©ã‹ã‚Šã¾ã™ã€‚å°šã€å•é¡Œåˆ‡ã‚Šåˆ†ã‘ã¨ã—ã¦vrrpã¯ç‰‡
bigwest 2009/11/10
LVS

loadbalancer

Linux
ãƒªãƒ³ã‚¯
LVSã§å®Ÿç¾ã™ã‚‹ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ - KLablabWiki
ç’°å¢ƒæ§‹ç¯‰ ãã‚Œã§ã¯å®Ÿéš›ã«ã€Linuxãƒ™ãƒ¼ã‚¹ã®ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’æ§‹ç¯‰ã—ã¦ã„ãã¾ã™ã€‚æœ€è¿‘ã§ã¯æ¨™æº–ã§IPVSã‚’ã‚µãƒãƒ¼ãƒˆã—ã¦ã„ã‚‹ãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ãŒå¤šã„ã®ã§ã€å¿…è¦ãªãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦å°‘ã—è¨å®šã™ã‚‹ã ã‘ã§å‹•ä½œã•ã›ã‚‹ã“ã¨ãŒã§ãã‚‹ä¾¿åˆ©ãªä¸–ã®ä¸ã«ãªã£ã¦ãã¦ã„ã¾ã™ã€‚ ä»Šå›žä½¿ç”¨ã™ã‚‹ã‚½ãƒ•ãƒˆã‚¦ã‚¨ã‚¢ã«ã¤ã„ã¦ Debian GNU/Linux3.1(sarge) ãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã¯Debianã‚’ä½¿ç”¨ã—ã¾ã™ã€‚ IPVSå¯¾å¿œã‚«ãƒ¼ãƒãƒ« ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã®åŸºæœ¬æ©Ÿèƒ½ã§ã‚ã‚‹IPVSã¯ã‚«ãƒ¼ãƒãƒ«ã®å†…éƒ¨ã«å®Ÿè£…ã•ã‚Œã¦ã„ã¾ã™ã€‚ãã®ãŸã‚IPVSã«å¯¾å¿œã—ãŸã‚«ãƒ¼ãƒãƒ«ãŒå¿…è¦ã«ãªã‚Šã¾ã™ã€‚Debianä»˜å±žã®ã‚«ãƒ¼ãƒãƒ«ã‚¤ãƒ¡ãƒ¼ã‚¸ï¼ˆ2.6.8-3ï¼‰ã§ã‚‚åˆ©ç”¨ã§ãã¾ã™ã—ã€è‡ªå‰ã§å†æ§‹ç¯‰ã—ã¦ã‚‚ã‹ã¾ã„ã¾ã›ã‚“ã€‚ã‚«ãƒ¼ãƒãƒ«ã‚’å†æ§‹ç¯‰ã™ã‚‹éš›ã®æ³¨æ„ç‚¹ã«ã¤ã„ã¦ã¯å¾Œè¿°ã—ã¾ã™ã€‚ ipvsadm IPVSã‚’åˆ¶å¾¡ã™ã‚‹ãŸã‚ã®ãƒ„ãƒ¼ãƒ«ã§ã™ã€‚ä»®æƒ³ã‚µãƒ¼ãƒã‚°ãƒ«ãƒ¼ãƒ—ã®è¿½åŠ ã‚„ãƒªã‚¢ãƒ«
bigwest 2009/11/10
Linux

LVS

loadbalancer
ãƒªãƒ³ã‚¯
naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼ - MySQL ã®è² è·åˆ†æ•£ã« LVS + keepalived ã‚’ä½¿ã†
ã‚ã¨ã§æ›¸ãã€ã¨è¨€ã£ãŸæ‰‹å‰ãªã®ã§æ›¸ãã¨ã—ã¾ã™ã€‚ DSASã®ä¸ã®äººãŒã™ã”ã„å‹¢ã„ã§ LVS ã®è©±ã‚’æ›¸ã„ã¦ãã‚Œã¦ã¾ã™ã€‚ã“ã®è¾ºã€‚LVS ã‚’ä½¿ã†ã¨ Linux ã¨ç®±ã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µãŒä½œã‚Œã¡ã‚ƒã„ã¾ã™ã€‚æ™®é€šã«è²·ã£ãŸã‚‰æ•°ç™¾ä¸‡ã¨ã‹ã—ã¡ã‚ƒã†ã‚„ã¤ã€‚ DSAS ã®ä¸ã®ã²ã¨ã«æ„Ÿè¬ã—ã¤ã¤ã€ã„ã„æ©Ÿä¼šãªã®ã§ã‚„ã£ã¦ã¿ã‚ˆã†! ã¨æ€ã£ã¦ã„ã‚ã„ã‚è©¦ã—ã¦æ˜¨æ—¥ã‚ãŸã‚Šã‹ã‚‰ã¯ã¦ãªã®ä¸ã§ã‚‚ LVS + keepalived ã§å‹•ã‹ã—ã¯ã˜ã‚ã¦ã¾ã™ã€‚ã„ã¾ã®ã¨ã“ã‚å•é¡Œãªã—ã€‚ ãã®ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’ã©ã“ã«ä½¿ã£ã¦ã‚‹ã‹ã§ã™ãŒã€æ™®é€šãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã¨ã„ã†ã¨ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã‹ã‚‰ã®å…¥ã‚Šå£ã®ã¨ã“ã‚ã«ç½®ã„ã¦ã‚¦ã‚§ãƒ–ã‚µãƒ¼ãƒãƒ¼ã®è² è·åˆ†æ•£ã«ä½¿ã†ã‚¤ãƒ¡ãƒ¼ã‚¸ãŒã‚ã‚Šã¾ã™ã€‚ãŒã€ä»Šå›žã¯ã¯ã¦ãªã§ã¯ MySQL ã®ã‚¹ãƒ¬ãƒ¼ãƒ–ã®æ‰‹å‰ã«ç½®ãã¨ã„ã†å½¹å‰²ã§ã¨ã‚Šã‚ãˆãšä½¿ã„ã¯ã˜ã‚ã¾ã—ãŸã€‚ +-----------+ +-----------+ | mod_perl | | mod_perl | +----
bigwest 2006/09/02
MySQL

LVS

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