{"id":4992,"date":"2025-09-09T08:40:17","date_gmt":"2025-09-09T08:40:17","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=4992"},"modified":"2025-09-09T08:40:17","modified_gmt":"2025-09-09T08:40:17","slug":"lifekeeper-%e3%81%ae-quorum-witness-majority-%e3%82%92%e5%b0%8e%e5%85%a5%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f-techharmony","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/4992\/","title":{"rendered":"LifeKeeper \u306e Quorum\/Witness (Majority) \u3092\u5c0e\u5165\u3057\u3066\u307f\u305f \u2013 TechHarmony"},"content":{"rendered":"\n<\/p>\n
\n

\u3053\u3093\u306b\u3061\u306f\u3000SCSK \u91ce\u53e3\u3067\u3059\u3002<\/p>\n

\u524d\u56de\u306e\u8a18\u4e8b \u300eLifeKeeper \u306e Quorum\/Witness (Storage) \u3092\u5c0e\u5165\u3057\u3066\u307f\u305f\u300f<\/a> \u3067\u306f\u3001
Quorum\/Witness\uff08Storage\uff09\u3092\u5b9f\u969b\u306b\u5c0e\u5165\u3057\u3066\u307f\u307e\u3057\u305f\u3002
\u307e\u3060\u3001\u304a\u8aad\u307f\u3067\u306a\u3044\u65b9\u306f\u4e0a\u8a18\u30ea\u30f3\u30af\u304b\u3089\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n

\u672c\u8a18\u4e8b\u3067\u306f\u3001Quorum\/Witness\uff08Majority\uff09\u3092\u4eee\u60f3\u30de\u30b7\u30f3\u4e0a\u306eLinux\u74b0\u5883\u306b\u5c0e\u5165\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

\u304a\u3055\u3089\u3044<\/span><\/h2>\n

\u524d\u3005\u56de\u306e\u8a18\u4e8b\u3067\u3082\u304a\u4f1d\u3048\u3057\u307e\u3057\u305f\u304c\u3001Majority\u69cb\u6210\u306f\u591a\u6570\u6c7a\u5224\u5b9a\u3092\u3059\u308b\u305f\u3081\u3001
\u30ce\u30fc\u30c9\u3092\u5947\u6570\u7528\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001Majority\u69cb\u6210\u306f 3\u30ce\u30fc\u30c9\u4ee5\u4e0a\u304b\u3089\u52d5\u4f5c\u53ef\u80fd\u3068\u306a\u3063\u3066\u307e\u3059\u3002
\u307e\u305f\u3001majority\u30e2\u30fc\u30c9\u3067\u4f7f\u7528\u53ef\u80fd\u306a Witness\u30e2\u30fc\u30c9\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\u3002
\u30fbremote_verify
\u30fbnone \u307e\u305f\u306f off<\/p>\n

\n
\n
\"\"<\/figure>\n<\/div>\n
\n

Quorum\u3068Witness\u306e\u69cb\u6210\u304c\u6b63\u3057\u304f\u306a\u3044\u3068\u3001\u30b5\u30fc\u30d0\u304c\u8aa4\u3063\u3066\u505c\u6b62\u3059\u308b\u3093\u3060\u3063\u305f\u3088\u306d\uff01<\/p>\n<\/div>\n<\/div>\n

\u00a0<\/p>\n

\u5c0e\u5165<\/span><\/h2>\n

\u4eca\u56de\u306e\u69cb\u6210\u306b\u3064\u3044\u3066<\/span><\/h3>\n

\u4eca\u56de\u3082 Virtual Box (\u4eee\u60f3VM) \u3092\u4f7f\u7528\u3057\u30013\u53f0\u306e\u30b5\u30fc\u30d0 (\u30ce\u30fc\u30c9) \u69cb\u6210\u306b\u3057\u307e\u3059\u3002
\u524d\u56de\u306e Active\/Standby\u69cb\u6210\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u306b Witness\u30b5\u30fc\u30d0\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u591a\u6570\u6c7a\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002
3\u30ce\u30fc\u30c9\u4ee5\u4e0a\u306e\u5947\u6570\u53f0\u69cb\u6210\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u3067\u3042\u308c\u3070\u3001\u8ffd\u52a0\u306e\u30ce\u30fc\u30c9\u3092\u7528\u610f\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002
Majority\u69cb\u6210\u3067\u306f\u3001Quorum \u30c1\u30a7\u30c3\u30af\u3092\u5b9f\u884c\u3057\u305f\u5f8c\u306b\u3001Witness \u30c1\u30a7\u30c3\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n

\n
\n
\"\"<\/figure>\n<\/div>\n
\n

\u5c02\u7528\u306eWitness\u30ce\u30fc\u30c9<\/strong>\u306f\u3001\u8907\u6570\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u3067\u5171\u6709\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u308f\u3088\uff01<\/strong>
\u3067\u3082\u3001\u8907\u6570\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u3067\u540c\u6642\u306b\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u3089\u3001<\/p>\n

\u901a\u5e38\u306e\u69cb\u6210\u3088\u308a\u3082\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3057\u307e\u3046\u308f\u3002<\/strong><\/span><\/p>\n<\/div>\n<\/div>\n

\n
\n
\"\"<\/figure>\n<\/div>\n
\n

\u3060\u304b\u3089\u3001\u5c02\u7528\u306eWitness\u30ce\u30fc\u30c9\u306f1\u3064\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u3060\u3051\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u3066\u308b\u3093\u3060\u306d\uff01<\/p>\n<\/div>\n<\/div>\n

\u00a0<\/p>\n

\u52d5\u4f5c\u74b0\u5883<\/span><\/h3>\n

\u4eca\u56de\u306e Quorum\/Witness (Majority)\u3092\u5c0e\u5165\u3057\u305f\u69cb\u6210\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u00a0<\/p>\n

\n
\n
\"\"<\/figure>\n<\/div>\n
\n

\u524d\u56de\u306e Active\/Standby\u69cb\u6210\u306b Witness\u30b5\u30fc\u30d0\u3092\u5c0e\u5165\u3059\u308b\u308f\uff01<\/p>\n<\/div>\n<\/div>\n

\n
\n
\"\"<\/figure>\n<\/div>\n
\n

\u5c0e\u5165\u3059\u308b\u969b\u3001Witness\u30b5\u30fc\u30d0\u9593\u3067\u3082\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u3092\u4f5c\u6210\u3057\u306a\u304d\u3083\u3060\u306d\uff01<\/p>\n<\/div>\n<\/div>\n

\u5c0e\u5165\u624b\u9806<\/span><\/h3>\n

1.Witness\u30b5\u30fc\u30d0\u3092\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3057\u3001\u4ed6\u306e\u30b5\u30fc\u30d0\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u304c\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002
\u203b \u30b5\u30fc\u30d0\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306e\u8a73\u7d30\u306f\u7701\u304b\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002<\/p>\n

\u65b0\u305f\u306b\u8ffd\u52a0\u3057\u305fWitness\u30b5\u30fc\u30d0\u9593\u3068\u3082\u901a\u4fe1\u3067\u304d\u3066\u3044\u308b\u304b\u3001ping\u30b3\u30de\u30f3\u30c9\u3067\u758e\u901a\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

[root@rhel75wit ~]# ping -c 3 rhel75n01
\nPING rhel75n01 (192.168.56.130) 56(84) bytes of data.
\n64 bytes from rhel75n01 (192.168.56.130): icmp_seq=1 ttl=64 time=1.13 ms
\n64 bytes from rhel75n01 (192.168.56.130): icmp_seq=2 ttl=64 time=2.61 ms
\n64 bytes from rhel75n01 (192.168.56.130): icmp_seq=3 ttl=64 time=1.37 ms
\n--- rhel75n01 ping statistics ---
\n3 packets transmitted, 3 received, 0% packet loss, time 2004ms
\nrtt min\/avg\/max\/mdev = 1.134\/1.707\/2.618\/0.651 ms
\n
\n[root@rhel75wit ~]# ping -c 3 rhel75n02 
\nPING rhel75n02 (192.168.56.140) 56(84) bytes of data. 
\n64 bytes from rhel75n02 (192.168.56.140): icmp_seq=1 ttl=64 time=0.747 ms 
\n64 bytes from rhel75n02 (192.168.56.140): icmp_seq=2 ttl=64 time=2.91 ms 
\n64 bytes from rhel75n02 (192.168.56.140): icmp_seq=3 ttl=64 time=1.67 ms 
\n
\n--- rhel75n02 ping statistics --- 
\n3 packets transmitted, 3 received, 0% packet loss, time 2003ms 
\nrtt min\/avg\/max\/mdev = 0.747\/1.779\/2.914\/0.888 ms<\/pre>\n
2.Witness\u30b5\u30fc\u30d0\u306b\u3082 LifeKeeper\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\"\"<\/a><\/p>\n
\u305d\u306e\u969b\u3001\u300cUse Quorum\/Witness functions\u300d\u3092\u6709\u52b9\u306b\u3057\u3001Quorum\/Wintness \u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n
\"\"<\/a><\/p>\n
3.Witness\u30b5\u30fc\u30d0\u3082\u542b\u3081\u305f\u3001\u3059\u3079\u3066\u306e\u30ce\u30fc\u30c9\u9593\u3067\u30b3\u30df\u30e5\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u3092\u4f5c\u6210\u3057\u3001ALIVE\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002
LKWMC\u306e\u5834\u5408\u306f\u3001\u5de6\u30bf\u30b9\u30af\u30d0\u30fc\u306e\u300c\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n
\"\"<\/a><\/p>\n
\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u300cALIVE\u300d\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n
\"\"<\/a><\/p>\n
4.\u3059\u3079\u3066\u306e\u30ce\u30fc\u30c9\u3067 Quorum\/Witness\u306e\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002\uff08\/etc\/default\/LifeKeeper\uff09<\/p>\n
\u521d\u3081\u306b\u30011\u53f7\u6a5f\u30682\u53f7\u6a5f\u3092\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u304d\u307e\u3059\u3002
\"\"<\/p>\n
\u6b21\u306b\u3001Witness\u30b5\u30fc\u30d0\u3092\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002
\"\"<\/p>\n
\u4e0a\u8a18\u306e\u624b\u9806\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u305d\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u3067\u306f Quorum\/Witness \u6a5f\u80fd\u304c\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u3001
\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u304c\u8a31\u53ef\u3055\u308c\u308b\u524d\u306b\u3001Quorum \u30c1\u30a7\u30c3\u30af\u304a\u3088\u3073 Witness \u30c1\u30a7\u30c3\u30af\u304c\u884c\u308f\u308c\u307e\u3059\u3002
\u524d\u56de\u306e Quorum Witness (Storage) \u3068\u9055\u3044\u3001\u521d\u671f\u5316\u30b3\u30de\u30f3\u30c9\u306a\u3069\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\n
\n
\"\"<\/figure>\n<\/div>\n
\n
Witness\u30ce\u30fc\u30c9<\/strong>\u306f\u30ea\u30bd\u30fc\u30b9\u3092\u6301\u305f\u306a\u3044<\/strong><\/span>\u304b\u3089\u3001<\/p>\n
Quorum\u30c1\u30a7\u30c3\u30af<\/strong>\u3068Witness\u30c1\u30a7\u30c3\u30af\u3092\u5b9f\u65bd\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u308f\uff01<\/strong><\/p>\n<\/div>\n<\/div>\n
\u00a0<\/p>\n
\n
\n
\"\"<\/figure>\n<\/div>\n
\n
\u3060\u304b\u3089\u3001QUORUM_MODE \u3068 WITNESS_MODE\u3092\u300cnone\u300d\u306b\u3057\u3066\u305f\u3093\u3060\u306d\uff01<\/p>\n<\/div>\n<\/div>\n
\u00a0<\/p>\n
\u52d5\u4f5c\u78ba\u8a8d<\/span><\/h3>\n
1\u53f7\u6a5f (rhel75n01) 2\u53f7\u6a5f (rhel75n02) \u9593\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u3092\u5207\u65ad\u3057\u3066\u3082
Witness\u30b5\u30fc\u30d0\u306e\u76e3\u8996\u306b\u3088\u308a\u300c\u304a\u4e92\u3044\u304c\u898b\u3048\u3066\u3044\u308b\u72b6\u614b\u304b\u300d\u3001\u5b9f\u969b\u306b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
\u4eca\u56de\u30011,2\u53f7\u6a5f\u9593\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u3067\u5229\u7528\u3057\u3066\u3044\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9
\u300c enp0s8\uff08192.168.58.130\uff09\u300d\u3092 ifdown\u30b3\u30de\u30f3\u30c9\u3067\u7121\u52b9\u5316\uff08\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\uff09\u3057\u307e\u3059\u3002<\/p>\n
[root@rhel75n01 ~]# ifdown enp0s8
\n\u30c7\u30d0\u30a4\u30b9 'enp0s8' \u304c\u6b63\u5e38\u306b\u5207\u65ad\u3055\u308c\u307e\u3057\u305f\u3002<\/pre>\n
ifdown\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u5f8c\u3001\u300c\u30ea\u30bd\u30fc\u30b9\u30c4\u30ea\u30fc\u300d\u753b\u9762\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u3053\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\"\"<\/a><\/p>\n
\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9 (192.168.58.130)\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u300cDEAD\u300d\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n
\"\"<\/a><\/p>\n
1\u53f7\u6a5f (rhel75n01) 2\u53f7\u6a5f (rhel75n02)\u306e\u30ed\u30b0\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001
\u304a\u4e92\u3044\u304c\u30b5\u30fc\u30d3\u30b9\u3092\u7d99\u7d9a\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
Aug 29 18:30:05 rhel75n01 lifekeeper[14514]: NOTIFY:event.comm_down:::010469:We do have quorum on comm_down to rhel75n02, continuing
\nAug 29 18:30:02 rhel75n02 lifekeeper[10132]: NOTIFY:event.comm_down:::010469:We do have quorum on comm_down to rhel75n01, continuing<\/pre>\n
\u6700\u5f8c\u306b 1\u53f7\u6a5f\u3067 lcdstatus -e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3001\u4eee\u60f3IP\u30ea\u30bd\u30fc\u30b9\u304c\u300cISP\uff08\u6b63\u5e38\u7a3c\u50cd\uff09\u300d\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002
\"\"<\/p>\n
\u00a0<\/p>\n
\u307e\u3068\u3081<\/span><\/h2>\n
\u4eca\u56de\u306f Quorum\/Witness\uff08Majority\uff09 \u3092\u5b9f\u969b\u306b\u5c0e\u5165\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3044\u304b\u304c\u3067\u3057\u305f\u304b\u3002
\u5c0e\u5165\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u30fb\u5c0e\u5165\u3059\u308b\u524d\u306b\u3001\u30ce\u30fc\u30c9\u6570\u304c3\u4ee5\u4e0a\u3067\u5947\u6570\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002
\u30fb\u5c0e\u5165\u3059\u308b\u969b\u306f\u3001Witness\u30ce\u30fc\u30c9\u542b\u3081\u305f\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u3092\u4f5c\u6210\u3057\u3001 Alive\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002
\u30fb\u52d5\u4f5c\u78ba\u8a8d\u3067\u306f\u30011,2\u53f7\u6a5f\u9593\u306e\u30b3\u30df\u30e5\u30d1\u30b9\u306b\u969c\u5bb3\u3092\u8d77\u3053\u3057\u3066\u3082\u3001\u554f\u984c\u306a\u304f\u7a3c\u50cd\u3057\u7d9a\u3051\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n
\u00a0<\/p>\n<\/p><\/div>\n\n
\u5143\u306e\u8a18\u4e8b\u3092\u78ba\u8a8d\u3059\u308b <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\u3053\u3093\u306b\u3061\u306f\u3000SCSK \u91ce\u53e3\u3067\u3059\u3002 \u524d\u56de\u306e\u8a18\u4e8b \u300eLifeKeeper \u306e Quorum\/Witness (Storage) \u3092\u5c0e\u5165\u3057\u3066\u307f\u305f\u300f \u3067\u306f\u3001Quorum\/Witness\uff08Storage\uff09\u3092\u5b9f\u969b\u306b\u5c0e\u5165\u3057\u3066\u307f\u307e\u3057\u305f\u3002 […]","protected":false},"author":1,"featured_media":4993,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-4992","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-tec"],"acf":[],"yoast_head":"\nLifeKeeper \u306e Quorum\/Witness (Majority) \u3092\u5c0e\u5165\u3057\u3066\u307f\u305f \u2013 TechHarmony - \u30dd\u30b1\u30b3\u30f3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.usize-tech.com\/lifekeeper-quorum-witness-majority\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LifeKeeper \u306e Quorum\/Witness (Majority) \u3092\u5c0e\u5165\u3057\u3066\u307f\u305f \u2013 TechHarmony - 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