Notes on Keepalived and DNS — AntonLindstrom.com
Following the HA trend I created with the last post I though I would write down some notes on high availability DNS with Keepalived. When implementing this I found out that it was poorly documented when using both UDP and TCP traffic. It seems like some people refer to DNS as UDP only. This would disable features like zone transfers and queries over 512 bytes. Keepalived is a load balancer with HA
keepalived.conf編集用ã«keepalived-syntax.vimを作ã£ãŸ - Glide Note
nginx.vimã®ã‚½ãƒ¼ã‚¹ã‚’眺ã‚ã¦ã¦ã€ syntaxç³»Vim pluginãŒä½œã£ã¦ã¿ãŸããªã£ãŸã®ã¨ã€keepalived ã®confを書ãã¨ãã«syntax highlightãŒåŠ¹ã‹ãªãã¦å›°ã£ã¦ã„ãŸã®ã‚’æ€ã„出ã—ãŸã®ã§æ›¸ã„ã¦ã¿ãŸã€‚ glidenote/keepalived-syntax.vim keepalived自体ã«confã®syntax checkã‚’ã—ã¦ãれる機能ãŒç„¡ãã¦ã€confã‚’ä¿®æ£ã™ã‚‹ã¨ã㯠keepalived-checkã‚’å¿…ãšå›žã—ã¦ã„ã‚‹ã‚“ã§ã™ãŒ ãã‚‚ãã‚‚confã®ä½œæˆã®æ™‚点ã§ã€é–“é•ã„ã«æ°—ã¥ã‘ã‚Œã°ã„ã„ãªã¨æ˜”ã‹ã‚‰æ€ã£ã¦ã„ãŸã®ã§ã€ ãã‚ŒãŒè§£æ±ºã—ãã†ã§ã™ã€‚ 導入方法 å°Žå…¥ã«ã¯vundleã‹ã€NeoBundleを利用ã—ã¦ãã ã•ã„。 ç§ã¯vundleを利用ã—ã¦ã„ã‚‹ã®ã§ã€.vimrcã«ä¸‹è¨˜ã®ã‚ˆã†ã«è¨˜è¼‰ã—ã¦ã„ã¾ã™ã€‚ 2012å¹´4月9æ—¥ 2:00追記 setã‹ã‚‰setlocalã«ä¿®æ£ã—ã¾ã—ãŸ
スケーラブルWebシステム工房 第2回 / DRBDã¨keepalivedã§ã€éšœå®³æ€§ã®é«˜ã„ストレージサーãƒã®æ§‹ç¯‰
スケーラブルWebシステム工房 第2回 DRBDã¨keepalivedã§ã€éšœå®³æ€§ã®é«˜ã„ストレージサーãƒã®æ§‹ç¯‰ æ›´æ–°æ—¥: 2023-11-07 19:20:41 +0900 公開日: 2011/05/25 発売日: 2007/6/22 ã“ã®æ–‡æ›¸ã¯2007/6/22ã«æ›¸ã‹ã‚ŒãŸã‚‚ã®ã§ã€ã‚½ãƒ•ãƒˆã‚¦ã‚¨ã‚¢ã®å称ã€ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã€è¨å®šé …ç›®ã€ç¤¾åãªã©ã®å›ºæœ‰åè©žãªã©ãªã©ã¯å½“時ã®ã¾ã¾æŽ²è¼‰ã—ã¦ã„ã¾ã™ã€‚ ã§ã™ã®ã§ã€ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ‰‹é †ã‚„è¨å®šå†…容ã¯æœ€æ–°ç‰ˆã®ãƒ‰ã‚ュメントをå‚ç…§ã—ã¦ã„ãŸã ãã€ã“ã®æ–‡æ›¸ã‹ã‚‰ã¯ç†è«–や考ãˆæ–¹ã€æ§‹æˆã®ãƒ’ントãªã©ã‚’èªã¿å–ã£ã¦ã„ãŸã ã‘ã‚Œã°ã¨æ€ã„ã¾ã™ã€‚ å‰å›žã¯ã€HTTP以外ã®ã‚µãƒ¼ãƒ“スをãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚¹ã—ãŸã‚Šã€ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’内å´ã«ã‚‚ç½®ã„ãŸã‚Šã—ã¦ã¿ã¾ã—ょã†ã€ã¨ã„ã£ãŸãŠè©±ã‚’ã—ã¾ã—ãŸã€‚å‰ã€…å·ã®ç‰¹é›†ã§ã‚‚IPVSを使ã£ãŸLinuxãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã®è¨˜äº‹ã‚’ãŠå±Šã‘ã—ãŸã®ã§ã€ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã«ã¤ã„ã¦ã¯ã¡ã‚‡ã£ã¨é£Ÿå‚·æ°—味ãªã‚“ã˜ã‚ƒãªã„ã‹ã¨
keepalived+drbd+daemonotoolsを使ã£ã¦hadoopã®HA方案 - å¦ä¹ 备忘录 - 疯狂的开å‘日记
疯狂的开å‘日记keepalived+drbd+daemonotoolsを使ã£ã¦hadoopã®HA方案 ã‚·ã‚¹ãƒ†ãƒ æ§‹æˆ ã‚µãƒ¼ãƒäºŒå° ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯é€šä¿¡ç”¨ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ï¼šeth1 ãã‚Œãžã‚Œã€node1ã¨node2を呼ã°ã‚Œã‚‹ 使ã†ã‚‚ã®ï¼š keepalivedã®viip機能ã§ä»®æƒ³IPを自動的ã«åˆ‡ã‚Šæ›¿ãˆ drbdã§äºŒå°ã‚µãƒ¼ãƒã®é–“ã«ãƒ‡ã‚£ã‚¹ã‚¯ã‚’åŒæœŸåŒ–ã™ã‚‹ daemontoolsã§hadoopã®ãƒžã‚¹ã‚¿ã‚µãƒ¼ãƒã®ãƒ—ãƒã‚»ã‚¹ã¨keepalivedã¨drbdサービスã®çŠ¶æ…‹ã‚’監視ã—ã€è½ã¡ã らã€ç«‹ã¡ç›´ã—ã¦ãれる 一ã€keepalivedã®è¨ç½® １ã€å¿…è¦ãªã‚‚ã®ã‚’ãƒã‚§ãƒƒã‚¯ã¨ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« openssl openssl-devel poptパッケージãŒå¿…è¦ãªã®ã§ã€ãƒã‚§ãƒƒã‚¯ã—ãŸçµæžœã‚’見ã¦ã€å˜åœ¨ã—ãªã„ãªã‚‰ã€ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ [root@super03 ~]#yum install openssl openssl-devel popt
クックパッドã®LVSã«ã¤ã„㦠- クックパッド開発者ブãƒã‚°
ã“ã‚“ã«ã¡ã¯ã€ã‚¤ãƒ³ãƒ•ãƒ©ãƒãƒ¼ãƒ ã®è…原ã§ã™ã€‚ 最近ã«ãªã£ã¦ã‚¯ãƒƒã‚¯ãƒ‘ッドもLVSã‚’å°Žå…¥ã—ã¾ã—ãŸã€‚ ç§ãŒæ‹…当者ã¨ã—ã¦è¨å®šç‰ã‚’è¡Œã£ãŸã®ã§ã™ãŒã€ã«ã‚ã‹ã‚¤ãƒ³ãƒ•ãƒ©ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã«ã¯å‹‰å¼·ã«ãªã‚‹ã“ã¨ãŒå¤šã‹ã£ãŸã§ã™ã€‚ 最近ã§ã¯ã€LVS+keepalivedã®æƒ…å ±ã¯ã¨ã¦ã‚‚入手ã—ã‚„ã™ã„ã®ã§ã™ãŒã€ãã‚Œã§ã‚‚ã¯ã¾ã‚Šã©ã“ã‚ã¯ã„ãã¤ã‹ã‚ã‚Šã¾ã—ãŸã€‚ ãã®è¾ºã®é¡›æœ«ã‚’社内勉強会ã§ç™ºè¡¨ã—ãŸã®ã§è³‡æ–™ã‚’公開ã—ã¾ã™ã€‚ ã“ã‚Œã‹ã‚‰LVSã‚’å°Žå…¥ã—よã†ã¨ã„ã†æ–¹ã®å‚考ã«ãªã‚Œã°å¹¸ã„ã§ã™ã€‚ [slideshare id=3322920&doc=lvs-100303024336-phpapp01]
keepalived講習会 | feedforce Engineers' blog
ゴール VRRPã«ã‚ˆã‚‹ä»®æƒ³IPæŒã¡å›žã‚Šã®ä»•çµ„ã¿ã‚’ç†è§£ã™ã‚‹ keepalivedを利用ã—ãŸHAクラスタãŒæ§‹ç¯‰ã§ãã‚‹ LVS周りã¯ãƒŠã‚·ã§ã€‚ 基礎知è˜ç·¨ 基本的ãªè³‡æ–™ keepalived 本家 ã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ (2) - DSAS開発者ã®éƒ¨å±‹ ã‚ã¨ã¯æ˜”ã¾ã¨ã‚ãŸç¤¾å¤–秘ã®è³‡æ–™ keepalivedã£ã¦ä½•ã‚¹ã‹ Linuxã«ãŠã‘ã‚‹VRRPã®å®Ÿè£…ã®ã²ã¨ã¤ã€‚HAクラスタを実ç¾ã™ã‚‹ãƒ‡ãƒ¼ãƒ¢ãƒ³ã€‚ HAクラスタã®ãƒžã‚¹ã‚¿æ©Ÿã¨ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—æ©Ÿã®ä¸¡æ–¹ã§å‹•ä½œã•ã›ã‚‹ã“ã¨ã§ç°¡å˜ã«HAクラスタãŒã§ãる。 ã¾ãŸLVSを利用ã—ãŸè² è·åˆ†æ•£ã‚¯ãƒ©ã‚¹ã‚¿ã®ç¨¼å‹•ã‚’サãƒãƒ¼ãƒˆã™ã‚‹æ©Ÿèƒ½ã‚‚ã‚る。 VRRP 仮想IPを複数機器ã§å…±æœ‰ã—ã€ä¸€ç•ªãƒ—ライオリティã®é«˜ã„機器ãŒãã®IPã‚’æŒã¤ä»•çµ„ã¿ã€‚ 本æ¥ã¯ãƒ«ãƒ¼ã‚¿å†—長化ã®ãŸã‚ã®ãƒ—ãƒãƒˆã‚³ãƒ«ã ãŒã€ã‚µãƒ¼ãƒã®å†—長化ã«ã‚‚使用ã§ãる。 ã¤ã¾ã‚ŠHAクラスタãŒä½œæˆå¯èƒ½ã€‚ å‚考 : Virtual Rout
SeeIn開発日誌 - LVSを使ã£ãŸãƒ–ãƒãƒ¼ã‚«ãƒ¼ã®æ§‹ç¯‰ï¼šï½¢keepalived.confï½£ã«ã¤ã„ã¦ã®èª¬æ˜Ž
今回構築ã‹ã‚‰æ¤œè¨¼ã¾ã§ã®é–“ã§èª¬æ˜Žã‚’çœç•¥ã—ã¦ã„㟠｢keepalived.confï½£ã«ã¤ã„ã¦ç§ãŒç†è§£ã—ã¦ã„る範疇ã§èª¬æ˜Žã—ã¾ã™ã€‚ ※誤りç‰ã‚ã‚Œã°ã”指摘ã„ãŸã ã‘ã‚‹ã¨åŠ©ã‹ã‚Šã¾ã™ã€‚。。 ã¾ãšã€èª¬æ˜Žã®å¯¾è±¡ã¨ãªã‚‹ï½¢keepalived.conf｣を以下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.
keepalived.confã®ã‚·ãƒ³ã‚¿ãƒƒã‚¯ã‚¹ãƒã‚§ãƒƒã‚¯ãƒ„ール「keepalived-checkã€ã€Œhaskell-keepalived ã€ãŒå‡„ã„ï¼ - （ã²ï¼‰ãƒ¡ãƒ¢
id:viverã•ã‚“ã¨id:maoeã•ã‚“ãŒ(7月ãらã„ã«)ã‚„ã£ã¦ãã‚Œã¦ã¾ã—ãŸã€‚ http://github.com/frsyuki/keepalived-check http://github.com/maoe/haskell-keepalived ãšã„ã¶ã‚“å‰ã‹ã‚‰keepalived.confã®ã‚·ãƒ³ã‚¿ãƒƒã‚¯ã‚¹ãƒã‚§ãƒƒã‚¯ã‚’ã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ ãªã„ã‹ãªãƒ¼ã¨æ€ã£ã¦ã¾ã—ãŸã€‚個人的ã«ã¯ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—å´ã®keepalivedã«ã¾ãšåæ˜ ã—ã¦å•é¡ŒãŒãªã„ãªã‚‰ãƒžã‚¹ã‚¿ã«ã‚‚åæ˜ ã™ã‚‹ã€ã¨ã„ã†é‹ç”¨æ‰‹é †ã‚’ã¨ã£ã¦ã„ã¾ã™ãŒã€ã¯ã‚„ã‚Šsyntax checkerãŒã‚ã‚‹ã®ã¨ãªã„ã®ã¨ã§ã¯å®‰å¿ƒæ„ŸãŒå¤§é•ã„ã§ã™ã€‚ ã¾ãŸã€æ§‹ç¯‰ãƒ•ã‚§ãƒ¼ã‚ºã§ã¯ã€keepalived.confã‚’ã‚れやã“れやã¨ã„ã˜ã‚Šè©¦è¡ŒéŒ¯èª¤ã™ã‚‹ã‚ã‘ã§ã™ãŒã€confã®æ›¸å¼ãŒé–“é•ã£ã¦ã„ã¦ã‚‚keepalivedã¯è¦å‘Šã‚‚出ã•ãšã‚¹ãƒƒã‚³ãƒªãªã‹ã£ãŸã‚‚ã®ã¨ã—ã¦çŸ¥ã‚‰ã‚“é¡”ã§èµ·å‹•ã™ã‚‹ã®ã§ã€ã€Œè¨å®šã—ã¦ã‚‹ã¯ãšã®é€šã‚Šã«
keepalived 㨠当ã¦ã¦ã‚‹ãƒ‘ッãƒãŸã¡ - （ã²ï¼‰ãƒ¡ãƒ¢
今使ã£ã¦ã‚‹ã®ã¯ 1.1.17 ã€ãã®å‰ã«ä½¿ã£ã¦ãŸã®ã¯ 1.1.15 ã™ã€‚ keepalived 1.1.19 1.1.19ã§ã¯pidfileã¨nopreemptパッãƒã¯å–ã‚Šè¾¼ã¾ã‚Œã¦ã„ã‚‹ã®ã§ã€ keepalived-1.1.13-extcheck-1.0.patch ã ã‘当ã¦ã¦ã„ã¾ã™ã€‚ keepalived 1.1.17 keepalived-1.1.13-extcheck-1.0.patch DSASã•ã‚“ã¨ã“ã‚ã®ãƒ˜ãƒ«ã‚¹ãƒã‚§ãƒƒã‚¯æ‹¡å¼µãƒ‘ッãƒã§ã™ã€‚ãµãµã€‚DNS_CHECKã¨SSL_HELLOを使ã£ã¦ã¾ã™ã€‚ ã¡ãªã¿ã«ã€ã“ã®ãƒ‘ッãƒã‚’当ã¦ãªã„㧠DNS_CHECK ã¨ã‹ SSL_HELLO を使ã†ã¨ã€keepalived.confã«real_serverを複数書ã„ã¦ã„ã‚‹ã«ã‚‚é–¢ã‚らãšã€ipvsçš„ã«ã¯1ã¤ã—ã‹æœ‰åŠ¹ã«ãªã‚‰ãªã„ã¨ã„ã†ä¸æ€è°çŠ¶æ…‹ã«ãªã‚Šã¾ã™ã®ã§ã€ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚¢ãƒƒãƒ—ã®ã¨ãã¨ã‹ã«ã¯ãƒ‘ッãƒå½“ã¦å¿˜ã‚Œãªã„よã†
keepalivedã§ãƒ•ã‚§ã‚¤ãƒ«ãƒãƒƒã‚¯ç„¡åŠ¹(nopreempt)ã«ã—ãŸã¨ãã®æŒ™å‹• - よã‹ã‚ã†ã‚‚ã‚“ï¼
keepalivedã«ã¤ã„ã¦ä»¥å‰ã«ã„ãã¤ã‹ã®ã‚¨ãƒ³ãƒˆãƒªã§ã”紹介ã—ã¾ã—ãŸã€‚ keepalivedを利用ã™ã‚‹éš›ã«æ°—ã‚’ã¤ã‘ã¦ãŠãã“㨠bondingã¨keepalivedを組ã¿åˆã‚ã›ã‚‹ ã“れら2ã¤ã®ã‚¨ãƒ³ãƒˆãƒªã§ç´¹ä»‹ã—ãŸkeepalivedã®æŠ€è¡“を組ã¿åˆã‚ã›ãŸæ§‹æˆã§ã€å„サーãƒã§ã®keepalivedã®statusã‚’BACKUPã«ã—ã€ãƒ•ã‚§ã‚¤ãƒ«ãƒãƒƒã‚¯ç„¡åŠ¹(nopreempt)ã«ã—ãŸã¨ãã®æŒ™å‹•ã«ã¤ã„ã¦èª¿æŸ»ã—ã¾ã—ãŸã€‚ ãªãœèª¿æŸ»ã‚’ã—ãŸã‹ã¨ã„ã„ã¾ã™ã¨ã€keepalivedã®ãƒ•ã‚§ã‚¤ãƒ«ãƒãƒƒã‚¯ã®å‹•ä½œã§ç–‘å•ã«æ„Ÿã˜ã‚‹ã“ã¨ãŒã‚ã£ãŸãŸã‚ã§ã™ã€‚ 今回ã®ã‚·ã‚¹ãƒ†ãƒ 構æˆã¯ä»¥ä¸‹ã®å›³ã®ã‚ˆã†ã«ã€eth0ã¨eth2ã§bonding(Active-Backup)を組んã§ãŠãã€ã•ã‚‰ã«bond0ã«2ã¤ã®ä»®æƒ³IPアドレスをã€eth1ã«1ã¤ã®ä»®æƒ³IPアドレスを割り当ã¦ã¾ã™ã€‚ keepalivedã®è¨å®šã¯ã“ã¡ã‚‰ã®è¨å®šå†…容ã¨ã»ã¼åŒã˜ã§ã€vrrp_insta
bondingã¨keepalivedを組ã¿åˆã‚ã›ã‚‹ - よã‹ã‚ã†ã‚‚ã‚“ï¼
昨日ã®ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã€ŒNIC冗長化〜Miimon編〜ã€ã§æ›¸ã„ãŸbondingã§NICã®å†—長化ã¯å®Ÿç¾ã§ãã¾ã—ãŸã€‚ 今回ã¯ã•ã‚‰ã«keepalivedを利用ã™ã‚‹ã“ã¨ã§ã€ä»®æƒ³IP アドレスを2å°ã®ã‚µãƒ¼ãƒé–“ã§å…±æœ‰ã—ã€1å°ã«éšœå®³ãŒç™ºç”Ÿã—ã¦ã‚‚ã€å¾…機系サーãƒã§IPアドレスを引ã継ãŽã‚µãƒ¼ãƒ“スを継続ã§ãるよã†ã«ã—ã¾ã™ã€‚ keepalivedã¯ã“ã¡ã‚‰ã‹ã‚‰ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¾ã™ã€‚ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ‰‹é †ã¯ä»¥ä¸‹ã®é€šã‚Šã€‚ [server1]$ tar xvzf keepalived-1.1.15.tar.gz [server1]$ cd keepalived-1.1.15 [server1]$ ./configure --prefix=/usr/local/keepalived [server1]$ make [server1]$ sudo make install [server1]$ sudo cp ~/install/kee
CentOS5 ã«Keepalived をインストール - yoshifumi1975's diary
# yum -y install keepalivedã—ãŸãŒã€è¦‹ã¤ã‹ã‚‰ãªã„。 http://rpmfind.net/ ã§æŽ¢ã—ãŸãŒã€CentOS5用ã¯ã¾ã ãªã„。仕方ãŒãªã„ã®ã§ã€ã‚½ãƒ¼ã‚¹ã‹ã‚‰ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã€‚http://www.keepalived.org/download.html ã‹ã‚‰1.1.13 をダウンãƒãƒ¼ãƒ‰ã—ãŸã€‚ 以下ã«ã€ã‚½ãƒ¼ã‚¹ã‹ã‚‰ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã¨RPMã®ä½œæˆã‚’示ã™ã€‚ 出æ¥ä¸ŠãŒã£ãŸRPMã¯ã€ã“ã“ã«ãŠã„ã¦ãŠãã¾ã™ã€‚ http://www.rukatan.com/keepalived-1.1.13-6.i386.rpm リンク切れやã†ã¾ãã„ã‹ãªã„ãªã©ã‚ã‚Šã¾ã—ãŸã‚‰ã‚³ãƒ¡ãƒ³ãƒˆã„ãŸã ã‘ã‚‹ã¨å¹¸ã„ã§ã™ã€‚ ソースã‹ã‚‰ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« # wget http://www.keepalived.org/software/keepalived-1.1.13.tar.gz # tar zxvf keepaliv
DSAS開発者ã®éƒ¨å±‹:GREEã•ã‚“ã®å‹‰å¼·ä¼šã®è³‡æ–™ã‚’公開ã—ã¾ã—ãŸ
先日発表ã—ã¦ããŸã€ã‚°ãƒªãƒ¼ã•ã‚“㮠第9回 オープンソーステクノãƒã‚¸ãƒ¼å‹‰å¼·ä¼š 『DSASã®ã„ã‚ã„ã‚ã€ã®ç™ºè¡¨è³‡æ–™ã¨éŸ³å£°ã‚’公開ã—ã¾ã—ãŸã€‚ 発表資料 (PDF, 2,294 KB) 音声 (mp3, 32,151 KB) 発表ã¯ã“ã‚“ãªå†…容ã§ã™ã€‚ 自己紹介 [0:22] (1) DSASã®ç‰¹å¾´ã®ç´¹ä»‹ [6:34] è¨è¨ˆæ€æƒ³ã€å…¨ä½“構æˆãªã© (2) DSASã®æ§‹æˆè¦ç´ ã®ç´¹ä»‹ [17:22] ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ - LVS, keepalived [17:33] ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ–ートã®æ´»ç”¨ [30:23] æ•…éšœã«å¼·ã„ストレージサーム- DRBD [37:15] NICã®äºŒé‡åŒ– - bonding [44:29] シリアル接続 温故知新 [46:24] サーãƒãƒªã‚½ãƒ¼ã‚¹ã®è¦‹ãˆã‚‹åŒ– - ganglia [49:11] è³ªç–‘å¿œç” [58:00] 発表ã¯ã‹ãªã‚Šé§†ã‘足ã§ã—ãŸãŒã€ ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ (LVS, keepaliv
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In the ever-evolving landscape of online content sharing, torrent sites have consistently served as a potent resource for downloading various types of media. As we step into 2024, it’s time to evaluate the best torrent sites, which have triumphed in delivering an optimum balance of content variety, download speeds, and security. With an ocean of options out there, finding those stellar torrent pla
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å‰å›žã¯keepalivedを使ã£ã¦Webサーãƒã‚’冗長化ã—ã¦ã¿ã¾ã—ãŸã€‚ 今回ã¯keepalivedã®ã‚‚ã†ä¸€ã¤ã®æ©Ÿèƒ½ã§ã‚ã‚‹VRRPを使ã£ã¦ã€ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µè‡ªèº«ã‚’冗長構æˆã«ã—ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ┌─────┠│ client │ └──┬──┘ │[10.10.31.200] │ â”â”â”â”â”â”â”┯â”â”â”â”â”·â”â”â”â”â”┯â”â”â”â”â”â”â”â”â” 10.10.31.0/24 │ │ │ │ │ â†(10.10.31.10) → │ │ â†{10.10.31.100}→ │ [10.10.31.11]│ │[10.10.31.12] ┌─┴─┠┌─┴─┠│ lv1 │ │ lv2 │ └─┬─┘ └─┬─┘ [192.168.31.11]│ │[192.168.31.12] │ â†(192.168.31.10)→│ │ │ â”â”â”â”â”â”┯┷â”â”â”â”â”â”â”â”â”â”┷┯â”â”â”â”â”â”â”â” 192.168.3
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Setting Up A High-Availability Load Balancer With HAProxy/Keepalived On Debian Lenny
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https://www.infra.jp/debian/keepalived-2.html
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