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DRBD + Keepalived + iSCSI target ã‚’ VMware ESXi ã‹ã‚‰ä½¿ã†ãƒ¡ãƒ¢ - é…’æ—¥è¨˜ ã¯ã¦ãªæ”¯åº—
å˜ãªã‚‹ãƒ¡ãƒ¢ã§ã™ã€‚ ãƒ›ã‚¹ãƒˆã‚’ 2å°ç”¨æ„ã—ã¦ DRBD ã§ãƒŸãƒ©ãƒ¼ãƒªãƒ³ã‚° iSCSI Enterprise Target ã§ iSCSI target ã«ã™ã‚‹ Keepalived VRRP ã§ VIP ã‚’æŒ¯ã£ã¦ Master/Backup æ§‹æˆã§ failover å¯èƒ½ã« VMware ESXi ã‹ã‚‰ãã® iSCSI target ä¸Šã«ä»®æƒ³ãƒžã‚·ãƒ³ã‚’æ§‹ç¯‰ failover ã—ã¦ã‚‚ä»®æƒ³ãƒžã‚·ãƒ³ãŒæ¢ã¾ã‚‰ãªã„ ã¨ã„ã†æ§‹æˆãŒã§ããŸã€‚OS ã¯ CentOS-5.2ã€‚ ä»®æƒ³ãƒžã‚·ãƒ³ã§ make ãªã©ã‚’ã—ã¦ã€IO ãŒã‚¬ãƒªã‚¬ãƒªèµ·ãã¦ã„ã‚‹çŠ¶æ…‹ã§ failover (ãƒžã‚¹ã‚¿ãƒ¼ã«ãªã£ã¦ã„ã‚‹ãƒžã‚·ãƒ³ã®é›»æºæ–ã¨ã‹) ã—ã¦ã‚‚ã€ä»®æƒ³ãƒžã‚·ãƒ³å´ã§ã¯ IO ãŒæ•°ç§’å¾…ãŸã•ã‚Œã‚‹ã ã‘ã§ç‰¹ã«ã‚¨ãƒ©ãƒ¼ãªã©ã¯èµ·ããšã€‚çµæ§‹æ°—æŒã¡ã„ã„ãªã“ã‚Œã€‚ ãŸã ã—ã€DRBD ã®ãƒ—ãƒãƒˆã‚³ãƒ«ãŒ A or C ã ã¨å¤§ä¸ˆå¤«ã ãŒã€B ã ã¨ä»®æƒ³ãƒžã‚·ãƒ³å´ã§ IO error ãŒå¤§é‡
send 2008/10/18
todo

drbd

keepalived
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keepalivedã®é‹ç”¨ãƒŽã‚¦ãƒã‚¦ãŠè¦‹ã›ã—ã¾ã™ ã€œ å‰²å½“ç®¡ç†ã‚’ç°¡å˜ã«ã—ãŸã„ : DSASé–‹ç™ºè€…ã®éƒ¨å±‹
keepalivedã®è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã¯ã€ä»¥ä¸‹ã®ã‚ˆã†ãªã‚¨ãƒ³ãƒˆãƒªã‚’ã²ãŸã™ã‚‰ä¸¦ã¹ãªãã¦ã¯ã„ã‘ãªã„ã®ã§ã€è¦æ¨¡ãŒå¤§ãããªã‚‹ã»ã©å¯èªæ€§ãŒè½ã¡ã¾ã™ã€‚ virtual_server_group SITE1 { a.b.c.d 80 } virtual_server group SITE1 { delay_loop 3 lb_algo wlc lb_kind DR nat_mask 255.255.252.0 protocol TCP persistence_timeout 0 real_server 192.168.8.1 80 { weight 1 inhibit_on_failure HTTP_GET { url { path /s/health.jsp status_code 200 } connect_port 80 connect_timeout 5 nb_get_retry 1 delay_be
send 2006/10/11
keepalived

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DSASé–‹ç™ºè€…ã®éƒ¨å±‹:keepalivedã®é‹ç”¨ãƒŽã‚¦ãƒã‚¦ãŠè¦‹ã›ã—ã¾ã™ ã€œ è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’åŒæœŸã™ã‚‹
keepalivedã¯Linuxã§å†—é•·æ§‹æˆã‚’çµ„ã‚€é“å…·ã¨ã—ã¦ã¨ã¦ã‚‚ä¾¿åˆ©ã§ã™ãŒã€é‹ç”¨é¢ã«é–¢ã™ã‚‹é…æ…®ã«ç‰©è¶³ã‚Šãªã•ã‚’æ„Ÿã˜ã‚‹ã“ã¨ãŒã‚ã‚Šã¾ã™ã€‚ä¾‹ãˆã°IncludeãŒãªã„ã¨ã‹IncludeãŒãªã„ã¨ã‹IncludeãŒãªã„ã¨ã‹ï¼ˆç¬‘ï¼‰ naoyaã®æ—¥è¨˜ã§naoyaã•ã‚“ã‚‚æ‚©ã‚“ã§ã„ã‚‹ã‚ˆã†ã§ã™ãŒã€è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’ã†ã¾ãä¿å®ˆã™ã‚‹ä»•çµ„ã¿ã‚’ã©ã†ä½œã‚‹ã‹ãŒå°Žå…¥ã™ã‚‹éš›ã®å¤§ããªéµã«ãªã‚‹ã¨æ€ã„ã¾ã™ã€‚ä»Šå›žã¯ã€DSASã§ã¯ã©ã®ã‚ˆã†ã«ã—ã¦2å°ã®keepalivedã‚’é‹ç”¨ã—ã¦ã„ã‚‹ã‹ã‚’å°‘ã—ã ã‘ã”ç´¹ä»‹ã•ã›ã¦é ‚ããŸã„ã¨æ€ã„ã¾ã™ã€‚ 1) ãƒžã‚¹ã‚¿ãƒ¼ã§è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç·¨é›†ã™ã‚‹ 2) ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã«è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’è»¢é€ã™ã‚‹ 3) ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã§è¨å®šã‚’åæ˜ ã™ã‚‹ 4) ãƒžã‚¹ã‚¿ãƒ¼ã¨ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã®å·®åˆ†ã‚’ç¢ºèªã™ã‚‹ 5) ãƒžã‚¹ã‚¿ãƒ¼ã§è¨å®šã‚’åæ˜ ã™ã‚‹ å…·ä½“çš„ã«ã¯ã©ã®ã‚ˆã†ã«ã—ã¦ã„ã‚‹ã‹ã¨ã„ã†ã¨ã€ã€ã€ lv1:# vi è¨å®šãƒ•ã‚¡ã‚¤ãƒ« lv1:# lvs-sync -ine lv1
send 2006/09/20
keepalived

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ãŠã‚Œã¶ã‚ã: LVS+keepalived
LVSã¨keepalivedã‚’ä½¿ã£ãŸPCã«ã‚ˆã‚‹è² è·åˆ†æ•£æ§‹æˆã®è©±ã€‚ å¤§å¤‰å‚è€ƒã«ãªã‚‹ã€‚å•†ç”¨ãƒãƒ©ãƒ³ã‚µå±ã†ã—ï½— ä»Šã‚„ã£ã¦ã‚‹ä»•äº‹ã§ææ¡ˆã—ã¦ã¿ãŸã„ã§ã™ãã€‚ BIG-IPã‚’æ¨ã¦ã¦ã‚‚ã‚‰ã£ã¦ã€ã£ã¦ã®ã‚‚ãªã‚“ãªã‚“ã§ã€è¡¨å´ã¯ç¶™ç¶šã—ã¦ãã‚Œä½¿ã£ã¦ã€è£å´ã‚»ã‚°ãƒ¡ãƒ³ãƒˆç”¨ã«ã£ã¦æ„Ÿã˜ã§ã—ã‚‡ã†ã‹ã€‚ ãŸã ã€keepalivedã®VRRPã«ã‚ˆã‚‹ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯çš„ãªå†—é•·æ§‹æˆã«é–¢ã—ã¦ã¡ã‚‡ã£ã¨æ°—ã«ãªã‚‹ã€ã¨ã„ã†ã‹ç–‘å•ç‚¹ã‚ã‚Šã€‚ æ›¸å¼èª¿ã¹ãŸã‚Šã—ã¦ãªã„ã‚“ã§ã™ãŒã€è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’è¦‹ã‚‹ã¨åŒã˜VRIDã§2ã¤ã®ç•°ãªã‚‹ã‚»ã‚°ãƒ¡ãƒ³ãƒˆã®Virtual IPã£ã½ã„ã€‚ ã“ã‚Œã¯ãã†ã—ãªã„ã¨æã‚‰ãè¡¨è£ã®MasterãŒä¸€è‡´ã—ãªããªã‚‹ã‚“ã˜ã‚ƒãªã„ã‹ãªã¨æƒ³åƒã€‚ ã§ã‚‚ã€VRRP Helloãƒ‘ã‚±ãƒƒãƒˆã¯è¡¨è£ã©ã£ã¡ã‹ã‚‰å‡ºã‚‹ã‚“ã ã‚ã†ï¼Ÿä¸¡æ–¹ï¼Ÿ ä¸¡æ–¹ã‹ã‚‰å‡ºã‚‹å ´åˆã€ã©ã¡ã‚‰ã‹ã ã‘å—ã‘å–ã£ã¦ã„ã‚Œã°åˆ‡ã‚Šæ›¿ã‚ã‚Šãªã—ï¼Ÿ ç‰‡å´ã ã‘ã®å ´åˆã€ãã®åå¯¾å´ã®éšœå®³æ¤œçŸ¥ãªã—ï¼Ÿ ãƒžãƒ«ãƒãƒãƒƒãƒˆã«ãªã£ã¦ã„ã‚‹IPã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã§ã¯
send 2006/09/20
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keepalived
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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
send 2006/06/05
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keepalived
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