{"id":669,"date":"2021-09-16T23:28:38","date_gmt":"2021-09-16T15:28:38","guid":{"rendered":"http:\/\/dba.qishuo.xin\/?p=669"},"modified":"2021-09-16T23:55:37","modified_gmt":"2021-09-16T15:55:37","slug":"oracle-11-2-rac%e9%9b%86%e7%be%a4%e5%90%af%e5%8a%a8%e8%bf%87%e7%a8%8b%e4%ba%8c%e3%80%81%e6%9c%8d%e5%8a%a1%e8%bf%9b%e7%a8%8b","status":"publish","type":"post","link":"http:\/\/dba.qishuo.xin\/?p=669","title":{"rendered":"Oracle 11.2 RAC\u96c6\u7fa4\u542f\u52a8\u8fc7\u7a0b\u4e8c\u2014\u2014\u8fdb\u7a0b"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-6a144ffecbbd1\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a144ffecbbd1\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/dba.qishuo.xin\/?p=669\/#1_GI_%E8%BF%9B%E7%A8%8B%E5%88%97%E8%A1%A8\" >1.  GI \u8fdb\u7a0b\u5217\u8868<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/dba.qishuo.xin\/?p=669\/#2_RAC%E6%9C%8D%E5%8A%A1%E8%BF%9B%E7%A8%8B\" >2. RAC\u670d\u52a1\u8fdb\u7a0b<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/dba.qishuo.xin\/?p=669\/#21_CRS-%E9%9B%86%E7%BE%A4%E8%B5%84%E6%BA%90%E6%9C%8D%E5%8A%A1cluster_ready_services\" >2.1. CRS-\u96c6\u7fa4\u8d44\u6e90\u670d\u52a1(cluster ready services)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/dba.qishuo.xin\/?p=669\/#22_CSS-%E9%9B%86%E7%BE%A4%E5%90%8C%E6%AD%A5%E6%9C%8D%E5%8A%A1Cluster_Synchronization_Service\" >2.2. CSS-\u96c6\u7fa4\u540c\u6b65\u670d\u52a1(Cluster Synchronization Service)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/dba.qishuo.xin\/?p=669\/#23_EVMD%E4%BA%8B%E4%BB%B6%E7%AE%A1%E7%90%86%E6%9C%8D%E5%8A%A1Event_Management\" >2.3. EVMD\u4e8b\u4ef6\u7ba1\u7406\u670d\u52a1(Event Management)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/dba.qishuo.xin\/?p=669\/#24_ONS-%E4%BA%8B%E4%BB%B6%E7%9A%84%E5%8F%91%E5%B8%83%E5%8F%8A%E8%AE%A2%E9%98%85%E6%9C%8D%E5%8A%A1Oracle_Notification_Service\" >2.4. ONS-\u4e8b\u4ef6\u7684\u53d1\u5e03\u53ca\u8ba2\u9605\u670d\u52a1(Oracle Notification Service)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"http:\/\/dba.qishuo.xin\/?p=669\/#25_OCR-_Oracle_Cluster_Register\" >2.5. OCR- Oracle Cluster Register<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"http:\/\/dba.qishuo.xin\/?p=669\/#26_Voting_Disk_%E8%A1%A8%E5%86%B3%E7%A3%81%E7%9B%98\" >2.6. Voting Disk \u8868\u51b3\u78c1\u76d8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"http:\/\/dba.qishuo.xin\/?p=669\/#27_Cluster_Time_Synchronization_Service_CTSS\" >2.7. Cluster Time Synchronization Service (CTSS)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"http:\/\/dba.qishuo.xin\/?p=669\/#28_OPROCD%EF%BC%88Process_Monitor_Daemon%EF%BC%89\" >2.8. OPROCD\uff08Process Monitor Daemon\uff09<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"http:\/\/dba.qishuo.xin\/?p=669\/#3_RAC%E5%90%8E%E5%8F%B0%E8%BF%9B%E7%A8%8B\" >3. RAC\u540e\u53f0\u8fdb\u7a0b<\/a><\/li><\/ul><\/nav><\/div>\n<p><strong>oracle \u96c6\u7fa4\u5305\u542b\u4e24\u4e2a\u6280\u672f\u6808\uff1a\u4e0a\u5c42\u6808\u7531CRS\u670d\u52a1\u63a7\u5236\uff0c\u4e0b\u5c42\u6808\u7531OHAS\u63a7\u5236\u3002\u8fd9\u4e24\u4e2a\u6808\u5206\u522b\u6709\u51e0\u4e2aprocesses\u6765\u5b8c\u6210\u96c6\u7fa4\u670d\u52a1\u3002\u4e0b\u9762\u5206\u522b\u4ecb\u7ecd\u4e4b\u3002<\/strong><\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_GI_%E8%BF%9B%E7%A8%8B%E5%88%97%E8%A1%A8\"><\/span>1.  GI \u8fdb\u7a0b\u5217\u8868<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"http:\/\/dba.qishuo.xin\/wp-content\/uploads\/2021\/09\/wp_editor_md_39675494c0863931db656cad4476fbad.jpg\" data-fancybox=\"images\" data-fancybox=\"images\"><img decoding=\"async\" src=\"http:\/\/dba.qishuo.xin\/wp-content\/uploads\/2021\/09\/wp_editor_md_39675494c0863931db656cad4476fbad.jpg\" alt=\"\" \/><\/a><\/p>\n<p><a href=\"http:\/\/dba.qishuo.xin\/wp-content\/uploads\/2021\/09\/OracleRACProcess.png\" data-fancybox=\"images\" data-fancybox=\"images\"><img decoding=\"async\" src=\"http:\/\/dba.qishuo.xin\/wp-content\/uploads\/2021\/09\/OracleRACProcess.png\" alt=\"\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_RAC%E6%9C%8D%E5%8A%A1%E8%BF%9B%E7%A8%8B\"><\/span>2. RAC\u670d\u52a1\u8fdb\u7a0b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"21_CRS-%E9%9B%86%E7%BE%A4%E8%B5%84%E6%BA%90%E6%9C%8D%E5%8A%A1cluster_ready_services\"><\/span>2.1. CRS-\u96c6\u7fa4\u8d44\u6e90\u670d\u52a1(cluster ready services)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u7ba1\u7406\u96c6\u7fa4\u5185\u9ad8\u53ef\u7528\u64cd\u4f5c\u7684\u57fa\u672c\u7a0b\u5e8f\u3002CRS\u7ba1\u7406\u7684\u4efb\u4f55\u4e8b\u52a1\u88ab\u79f0\u4e4b\u4e3a\u8d44\u6e90\uff1a\u6570\u636e\u5e93\u3001\u5b9e\u4f8b\u3001\u76d1\u542c\u3001\u865a\u62dfIP\u3001\u5e94\u7528\u8fdb\u7a0b\u7b49\u7b49\u3002CRS\u662f\u6839\u636e\u5b58\u50a8\u4e8eOCR\u4e2d\u7684\u8d44\u6e90\u914d\u7f6e\u4fe1\u606f\u6765\u7ba1\u7406\u8fd9\u4e9b\u8d44\u6e90\uff0c\u5f53\u67d0\u4e2a\u8d44\u6e90\u7684\u72b6\u6001\u6539\u53d8\u65f6\uff0cCRS\u8fdb\u7a0b\u751f\u6210\u4e00\u4e2a\u4e8b\u4ef6\uff0c\u64cd\u4f5c\u5305\u62ec\u542f\u52a8\u3001\u5173\u95ed\u3001\u76d1\u63a7\u53ca\u6545\u969c\u5207\u6362\uff0c\u8be5\u8fdb\u7a0b\u7531 root \u7528\u6237\u7ba1\u7406\u548c\u542f\u52a8\uff0cCRSD\u5982\u679c\u6709\u6545\u969c\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u91cd\u542f\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"22_CSS-%E9%9B%86%E7%BE%A4%E5%90%8C%E6%AD%A5%E6%9C%8D%E5%8A%A1Cluster_Synchronization_Service\"><\/span>2.2. CSS-\u96c6\u7fa4\u540c\u6b65\u670d\u52a1(Cluster Synchronization Service)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u7ba1\u7406\u96c6\u7fa4\u8282\u70b9\u7684\u6210\u5458\u8d44\u683c\uff0c\u63a7\u5236\u54ea\u4e2a\u8282\u70b9\u4e3a\u96c6\u7fa4\u7684\u6210\u5458\u3001\u8282\u70b9\u5728\u52a0\u5165\u6216\u79bb\u5f00\u96c6\u7fa4\u65f6\u901a\u77e5\u96c6\u7fa4\u6210\u5458\u6765\u63a7\u5236\u96c6\u7fa4\u914d\u7f6e\u4fe1\u606f\uff0c\u6b64\u8fdb\u7a0b\u53d1\u751f\u6545\u969c\u4f1a\u5bfc\u81f4\u96c6\u7fa4\u91cd\u542f,\u63d0\u4f9b\u5fc3\u8df3\u673a\u5236\u76d1\u63a7\u96c6\u7fa4\u72b6\u6001\uff08DISK HEARTBEAT \u548c NETWORK HEARBEAT\uff09\uff0c\u8be5\u8fdb\u7a0b\u7531 oracle \u7528\u6237\u8fd0\u884c\u7ba1\u7406\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"23_EVMD%E4%BA%8B%E4%BB%B6%E7%AE%A1%E7%90%86%E6%9C%8D%E5%8A%A1Event_Management\"><\/span>2.3. EVMD\u4e8b\u4ef6\u7ba1\u7406\u670d\u52a1(Event Management)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u4e8b\u4ef6\u7ba1\u7406\u5b88\u62a4\u8fdb\u7a0b\uff0c\u53d1\u5e03CRS\u521b\u5efa\u4e8b\u4ef6\u7684\u540e\u53f0\u8fdb\u7a0b\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"24_ONS-%E4%BA%8B%E4%BB%B6%E7%9A%84%E5%8F%91%E5%B8%83%E5%8F%8A%E8%AE%A2%E9%98%85%E6%9C%8D%E5%8A%A1Oracle_Notification_Service\"><\/span>2.4. ONS-\u4e8b\u4ef6\u7684\u53d1\u5e03\u53ca\u8ba2\u9605\u670d\u52a1(Oracle Notification Service)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u8d1f\u8d23\u901a\u8fc7\u5feb\u901f\u5e94\u7528\u6846\u67b6\u53d1\u5e03\u4e8b\u4ef6\u7684\u4e3b\u8981\u540e\u53f0\u8fdb\u7a0b\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"25_OCR-_Oracle_Cluster_Register\"><\/span>2.5. OCR- Oracle Cluster Register<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u96c6\u7fa4\u6ce8\u518c\u6587\u4ef6\uff0c\u8bb0\u5f55\u6bcf\u4e2a\u8282\u70b9\u7684\u76f8\u5173\u4fe1\u606f \u4fdd\u5b58RAC\u96c6\u7fa4\u7684\u5404\u79cd\u8d44\u6e90\u4fe1\u606f\uff0c\u7c7b\u4f3c\u4e8ewindows\u6ce8\u518c\u8868\uff0c\u5b58\u50a8\u4e8e\u5171\u4eab\u78c1\u76d8\u4e0a\uff0c\u6240\u6709\u5b9e\u4f8b\u5171\u4eab\u3002\u9ed8\u8ba4\u67092\u4e2a\u4e92\u5907\u78c1\u76d8\u3002OCR\u4e2d\u4fdd\u5b58\u6574\u4e2a\u96c6\u7fa4\u7684\u914d\u7f6e\u4fe1\u606f\uff0c\u914d\u7f6e\u4fe1\u606f\u4ee5\u201ckey-value\u201d\u7684\u5f62\u5f0f\u4fdd\u5b58\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"26_Voting_Disk_%E8%A1%A8%E5%86%B3%E7%A3%81%E7%9B%98\"><\/span>2.6. Voting Disk \u8868\u51b3\u78c1\u76d8<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Voting Disk \u8fd9\u4e2a\u6587\u4ef6\u4e3b\u8981\u7528\u4e8e\u8bb0\u5f55\u8282\u70b9\u6210\u5458\u72b6\u6001\uff0c\u5728\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u51b3\u5b9a\u54ea\u4e2apartion\u83b7\u5f97\u63a7\u5236\u6743\uff0c\u5176\u4ed6\u7684partion\u5fc5\u987b\u4ece\u96c6\u7fa4\u4e2d\u5254\u9664\u3002\u5728\u5b89\u88c5\u96c6\u7fa4\u7ec4\u4ef6\u65f6\u4e5f\u4f1a\u63d0\u793a\u6307\u5b9a\u5b89\u88c5\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u901a\u8fc7<code>crsctl query css votedisk<\/code> \u67e5\u8be2\u96c6\u7fa4\u7684\u4ef2\u88c1\u76d8\u4fe1\u606f\u3002<br \/>\nfailover\u6d41\u7a0b\u5982\u4e0b\uff1a<br \/>\n\uff081\uff09crs\u5728\u68c0\u6d4b\u5230rac2\u8282\u70b9\u5f02\u5e38\u540e\uff0c\u4f1a\u89e6\u53d1\u96c6\u7fa4\u7ec4\u4ef6\u91cd\u6784\uff0c\u6700\u540e\u628arac2\u8282\u70b9\u5254\u9664\u96c6\u7fa4\uff0c\u7531\u8282\u70b91\u7ec4\u6210\u65b0\u7684\u96c6\u7fa4\u3002<br \/>\n\uff082\uff09rac\u7684failover\u673a\u5236\u4f1a\u628a\u8282\u70b92\u7684vip\u8f6c\u79fb\u5230\u8282\u70b91\u4e0a\uff0c\u8fd9\u65f6\u8282\u70b91\u7684public\u7f51\u5361\u4e0a\u5c31\u67093\u4e2aip\u5730\u5740\uff1avip1,vip2,public ip<br \/>\n\uff083\uff09\u7528\u6237\u5bf9vip2\u7684\u8fde\u63a5\u8bf7\u6c42\u4f1a\u88abIP\u5c42\u8def\u7531\u8f6c\u5230\u8282\u70b91.<br \/>\n\uff084\uff09\u56e0\u4e3a\u5728\u8282\u70b91\u4e0a\u53ea\u6709vip2\u7684\u5730\u5740\uff0c\u6240\u6709\u6570\u636e\u5305\u4f1a\u987a\u5229\u901a\u8fc7\u8def\u7531\u5c42\uff0c\u7f51\u7edc\u5c42\uff0c\u4f20\u8f93\u5c42\u3002<br \/>\n\uff085\uff09\u4f46\u662f\uff0c\u8282\u70b91\u4e0a\u53ea\u76d1\u542cvip1\u548cpublic ip1\u7684\u4e24\u4e2aIP\u5730\u5740\uff0c\u5e76\u6ca1\u6709\u76d1\u542cvip2\uff0c\u6545\u5e94\u7528\u5c42\u6ca1\u6709\u5bf9\u5e94\u7684\u7a0b\u5e8f\u53ef\u63a5\u53d7\u8fd9\u4e2a\u6570\u636e\u5305\uff0c\u8fd9\u4e2a\u9519\u8bef\u4f1a\u7acb\u5373\u88ab\u622a\u83b7\u3002<br \/>\n\uff086\uff09\u5ba2\u6237\u7aef\u80fd\u591f\u7acb\u5373\u63a5\u6536\u8fd9\u4e2a\u9519\u8bef\uff0c\u7136\u540e\u5ba2\u6237\u7aef\u4f1a\u91cd\u65b0\u53d1\u8d77vip1\u7684\u8fde\u63a5\u8bf7\u6c42\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"27_Cluster_Time_Synchronization_Service_CTSS\"><\/span>2.7. Cluster Time Synchronization Service (CTSS)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>CTSS\u670d\u52a1\u662f\u4e00\u4e2a\u53ef\u9009\u9879\uff0c\u901a\u8fc7\u7f51\u7edc\u65f6\u95f4\u534f\u5b9a\u670d\u52a1\u5668\u4e3a\u96c6\u7fa4\u63d0\u4f9b\u65f6\u95f4\u540c\u6b65\uff0c\u8fd9\u4e2a\u65f6\u95f4\u540c\u6b65\u5bf9RAC\u5f88\u91cd\u8981\u3002\u5b83\u53ef\u4ee5\u8fd0\u884c\u5728\u4e24\u79cd\u6a21\u5f0f\u4e0b\uff1a\u89c2\u671b\u6216\u8005\u6d3b\u52a8\u3002\u5f53NTP\u88ab\u6fc0\u6d3b\u7684\u65f6\u5019\uff0c\u5b83\u8fd0\u884c\u5728\u89c2\u5bdf\u6a21\u5f0f\uff0c\u82e5\u6ca1\u6709\u542f\u52a8NTP\uff0c\u5b83\u5c06\u6839\u636e\u4e3b\u8282\u70b9\u540c\u6b65\u6240\u6709\u8282\u70b9\u7684\u65f6\u95f4\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"28_OPROCD%EF%BC%88Process_Monitor_Daemon%EF%BC%89\"><\/span>2.8. OPROCD\uff08Process Monitor Daemon\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u68c0\u6d4b CPU hang\uff08\u975e Linux \u5e73\u53f0\u4f7f\u7528\uff09\uff0c\u96c6\u7fa4\u8fdb\u7a0b\u7ba1\u7406 \u2014Process monitor for the cluster. \u7528\u4e8e\u4fdd\u62a4\u5171\u4eab\u6570\u636e IO fencing\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_RAC%E5%90%8E%E5%8F%B0%E8%BF%9B%E7%A8%8B\"><\/span>3. RAC\u540e\u53f0\u8fdb\u7a0b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"http:\/\/dba.qishuo.xin\/wp-content\/uploads\/2021\/09\/904165-20160624085435438-1943693084.png\" data-fancybox=\"images\" data-fancybox=\"images\"><img decoding=\"async\" src=\"http:\/\/dba.qishuo.xin\/wp-content\/uploads\/2021\/09\/904165-20160624085435438-1943693084.png\" alt=\"\" \/><\/a><\/p>\n<ul>\n<li><strong>LMON:LOCK Monitor Processes \u4e5f\u88ab\u79f0\u4e3aGlobal enqueue service monitor<\/strong><\/li>\n<\/ul>\n<p>\u76d1\u63a7\u6574\u4e2a\u96c6\u7fa4\u72b6\u51b5\uff0c\u7ef4\u62a4GCS\u7684\u5185\u5b58\u7ed3\u6784 \u76d1\u63a7\u975e\u6b63\u5e38\u7ec8\u6b62\u7684\u8fdb\u7a0b\u548c\u5b9e\u4f8b \u5f53\u5b9e\u4f8b\u79bb\u5f00\u548c\u52a0\u5165\u96c6\u7fa4\u65f6\uff0c\u9501\u548c\u8d44\u6e90\u7684\u91cd\u65b0\u914d\u7f6e \u7ba1\u7406\u5168\u5c40\u7684\u9501\u548c\u8d44\u6e90 \u76d1\u63a7\u5168\u5c40\u7684\u9501\u8d44\u6e90\u3001\u5904\u7406\u6b7b\u9501\u548c\u963b\u585e<\/p>\n<ul>\n<li><strong>LCK:Lock Process<\/strong><\/li>\n<\/ul>\n<p>LCK\u8fdb\u7a0b\u4e3b\u8981\u7528\u6765\u7ba1\u7406\u5b9e\u4f8b\u95f4\u8d44\u6e90\u8bf7\u6c42\u548c\u8de8\u5b9e\u4f8b\u8c03\u7528\u64cd\u4f5c\uff0c\u8c03\u7528\u64cd\u4f5c\u5305\u62ec\u6570\u636e\u5b57\u5178\u7b49\u5bf9\u50cf\u8bbf\u95ee\uff0c\u5e76\u5904\u7406\u975e<\/p>\n<p>CACEH FUSION\u7684CHACE\u8d44\u6e90\u8bf7\u6c42\uff0c\uff08\u4f8b\u5982dictionary cache\u6216row  cache\u7684\u8bf7\u6c42\uff09   \u7531\u4e8eLMS\u8fdb\u7a0b\u8d1f\u8d23\u4e3b\u8981\u7684\u9501\u7ba1\u7406\u529f\u80fd\uff0c\u6240\u4ee5\u6bcf\u4e2a\u5b9e\u4f8b\u53ea\u6709\u4e00\u4e2aLCK\u8fdb\u7a0b<\/p>\n<ul>\n<li><strong>LMD:Lock  Monitor Deamon Process<\/strong><\/li>\n<\/ul>\n<p>LMD\u8fdb\u7a0b\u4e3b\u8981\u7ba1\u7406\u5bf9\u5168\u5c40\u961f\u5217\u548c\u8d44\u6e90\u7684\u8bbf\u95ee\uff0c\u5e76\u66f4\u65b0\u76f8\u5e94\u961f\u5217\u72b6\u6001\uff0c\u5904\u7406\u6765\u81ea\u4e8e\u5176\u5b83\u5b9e\u4f8b\u7684\u8d44\u6e90\u8bf7\uff0c\u6bcf\u4e00\u4e2a\u5168\u5c40\u961f\u5217\u7684\u5f53\u524d\u72b6\u6001\u5b58\u50a8\u5728\u76f8\u5e94\u7684\u5b9e\u4f8b\u5171\u4eab\u5185\u5b58\u4e2d\uff0c\u8be5\u72b6\u6001\u8868\u660e\u8be5\u5b9e\u4f8b\u5177\u6709\u76f8\u5e94\u7684\u6743\u5229\u4f7f\u7528\u8be5\u8d44\u6e90\uff0c\u4e00\u4e2a\u5b9e\u4f8bmaster\u7684\u5171\u4eab\u5185\u5b58\u4e2d\u5b58\u5728\u4e00\u4e2a\u7279\u6b8a\u7684\u961f\u5217\uff0c\u8be5\u961f\u5217\u8bb0\u5f55\u6765\u81ea\u5176\u5b83\u8fdc\u7a0b\u5b9e\u4f8b\u7684\u8d44\u6e90\u8bf7\u6c42\uff0c\u5f53\u8fdc\u7a0b\u5b9e\u4f8b\u7684LMD\u8fdb\u7a0b\u53d1\u51fa\u4e00\u4e2a\u8d44\u6e90\u8bf7\u6c42\u65f6\uff0c\u8be5\u8bf7\u6c42\u6307\u5411master\u5b9e\u4f8b\u7684LMD\uff0c\u5f53master\u5b9e\u4f8b\u7684LMD\u8fdb\u7a0b\u53d7\u5230\u8be5\u8bf7\u6c42\u540e\uff0c\u5728\u5171\u4eab\u5185\u5b58\u4e2d\u7684\u7279\u6b8a\u961f\u5217\u4e2d\u76d1\u6d4b\u8be5\u8d44\u6e90\u662f\u5426\u6709\u65e0\u6548\uff0c\u5982\u679c\u6709\u6548LMD\u8fdb\u7a0b\u66f4\u65b0\u8be5\u8d44\u6e90\u5bf9\u5217\u7684\u72b6\u6001\uff0c\u5e76\u901a\u77e5\u8bf7\u6c42\u8d44\u6e90\u7684LMD\u8fdb\u7a0b\u8be5\u8d44\u6e90\u961f\u5217\u53ef\u4ee5\u4f7f\u7528\u4e86\uff0c\u5982\u679c\u8d44\u6e90\u961f\u5217\u6b63\u88ab\u5176\u5b83\u5b9e\u4f8b\u4f7f\u7528\u6216\u5f53\u524d\u65e0\u6548\uff0c\u5219LMD\u8fdb\u7a0b\u901a\u77e5\u6b63\u5728\u4f7f\u7528\u4e2d\u7684\u5b9e\u4f8b\u7684LMD\u8fdb\u7a0b\u5e94\u7528\u91ca\u653e\u8be5\u8d44\u6e90\uff0c\u7b49\u8d44\u6e90\u91ca\u653e\u53d8\u5f97\u6709\u6548\u65f6\uff0cmaster\u5b9e\u4f8b\u7684LMD\u8fdb\u7a0b\u66f4\u65b0\u8be5\u8d44\u6e90\u961f\u5217\u7684\u72b6\u6001\uff0c\u5e76\u901a\u77e5\u8bf7\u6c42\u8d44\u6e90\u5b9e\u4f8b\u7684LMD\u8fdb\u7a0b\uff0c\u8be5\u8d44\u6e90\u961f\u5217\u53ef\u4ee5\u4f7f\u7528\u4e86<\/p>\n<p><span style='color:red'>\u5168\u5c40\u961f\u5217\u670d\u52a1(GES)\uff1a\u4e3b\u8981\u8d1f\u8d23\u7ef4\u62a4\u5b57\u5178\u7f13\u5b58\u548c\u5e93\u7f13\u5b58\u5185\u7684\u4e00\u81f4\u6027\u3002\u5b57\u5178\u7f13\u5b58\u662f\u5b9e\u4f8b\u7684 SGA \u5185\u6240\u5b58\u50a8\u7684\u5bf9\u6570\u636e\u5b57\u5178\u4fe1\u606f\u7684\u7f13\u5b58\uff0c\u7528\u4e8e\u9ad8\u901f\u8bbf\u95ee\u3002\u7531\u4e8e\u8be5\u5b57\u5178\u4fe1\u606f\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u56e0\u800c\u5728\u67d0\u4e2a\u8282\u70b9\u4e0a\u5bf9\u5b57\u5178\u8fdb\u884c\u7684\u4fee\u6539\uff08\u5982DDL)\u5fc5\u987b\u7acb\u5373\u88ab\u4f20\u64ad\u81f3\u6240\u6709\u8282\u70b9\u4e0a\u7684\u5b57\u5178\u7f13\u5b58\u3002GES \u8d1f\u8d23\u5904\u7406\u4e0a\u8ff0\u60c5\u51b5\uff0c\u5e76\u6d88\u9664\u5b9e\u4f8b\u95f4\u51fa\u73b0\u7684\u5dee\u5f02\u3002\u51fa\u4e8e\u540c\u6837\u7684\u539f\u56e0\uff0c\u4e3a\u4e86\u5206\u6790\u5f71\u54cd\u8fd9\u4e9b\u5bf9\u8c61\u7684 SQL \u8bed\u53e5\uff0c\u6570\u636e\u5e93\u5185\u5bf9\u8c61\u4e0a\u7684\u5e93\u7f13\u5b58\u9501\u4f1a\u88ab\u53bb\u6389\u3002\u8fd9\u4e9b\u9501\u5fc5\u987b\u5728\u5b9e\u4f8b\u95f4\u8fdb\u884c\u7ef4\u62a4\uff0c\u800c\u5168\u5c40\u961f\u5217\u670d\u52a1\u5fc5\u987b\u786e\u4fdd\u8bf7\u6c42\u8bbf\u95ee\u76f8\u540c\u5bf9\u8c61\u7684\u591a\u4e2a\u5b9e\u4f8b\u95f4\u4e0d\u4f1a\u51fa\u73b0\u6b7b\u9501\u3002LMON\u3001LCK \u548c LMD \u8fdb\u7a0b\u8054\u5408\u5de5\u4f5c\u6765\u5b9e\u73b0\u5168\u5c40\u961f\u5217\u670d\u52a1\u7684\u529f\u80fd\u3002GES \u662f\u9664\u4e86\u6570\u636e\u5757\u672c\u8eab\u7684\u7ef4\u62a4\u548c\u7ba1\u7406\uff08\u7531 GCS \u5b8c\u6210\uff09\u4e4b\u5916\uff0c\u5728 RAC \u73af\u5883\u4e2d\u8c03\u8282\u8282\u70b9\u95f4\u5176\u4ed6\u8d44\u6e90\u7684\u91cd\u8981\u670d\u52a1\u3002<\/span><\/p>\n<ul>\n<li><strong>LMSn:Lock Monitor Services\u4e5f\u79f0\u4f5cGCS\uff08Global Cache Services\uff09processes<\/strong><\/li>\n<\/ul>\n<p>LMS\u8fdb\u7a0b\u4e3b\u8981\u7528\u6765\u7ba1\u7406\u96c6\u7fa4\u5185\u6570\u636e\u5e93\u7684\u8bbf\u95ee\uff0c\u5e76\u5728\u4e0d\u540c\u5b9e\u4f8b\u7684buffer cache\u4e2d\u4f20\u8f93\u5757\u955c\u50cf\uff0c\u5f53\u5728\u67d0\u4e2a\u6570\u636e\u5757\u4e0a\u53d1\u751f\u4e00\u81f4\u6027\u8bfb\u65f6\uff0cLMS\u8d1f\u8d23\u56de\u6eda\u8be5\u6570\u636e\u5757\uff0c\u5e76\u5c06\u5b83copy\u5230\u8bf7\u6c42\u7684\u5b9e\u4f8b\u4e0a \u6bcf\u4e2aRAC\u8282\u70b9\u81f3\u5c11\u67092\u4e2aLMS\u8fdb\u7a0b\u3002<\/p>\n<p><span style='color:red'>\u5168\u5c40\u7f13\u5b58\u670d\u52a1(GCS):\u8981\u548c Cache Fusion \u7ed3\u5408\u5728\u4e00\u8d77\u6765\u7406\u89e3\uff0c\u5168\u5c40\u7f13\u5b58\u8981\u6d89\u53ca\u5230\u6570\u636e\u5757\u3002\u5168\u5c40\u7f13\u5b58\u670d\u52a1\u8d1f\u8d23\u7ef4\u62a4\u8be5\u5168\u5c40\u7f13\u51b2\u5b58\u50a8\u533a\u5185\u7684\u7f13\u5b58\u4e00\u81f4\u6027\uff0c\u786e\u4fdd\u4e00\u4e2a\u5b9e\u4f8b\u5728\u4efb\u4f55\u65f6\u523b\u60f3\u4fee\u6539\u4e00\u4e2a\u6570\u636e\u5757\u65f6\uff0c\u90fd\u53ef\u83b7\u5f97\u4e00\u4e2a\u5168\u5c40\u9501\u8d44\u6e90\uff0c\u4ece\u800c\u907f\u514d\u53e6\u4e00\u4e2a\u5b9e\u4f8b\u540c\u65f6\u4fee\u6539\u8be5\u5757\u7684\u53ef\u80fd\u6027\u3002\u8fdb\u884c\u4fee\u6539\u7684\u5b9e\u4f8b\u5c06\u62e5\u6709\u5757\u7684\u5f53\u524d\u7248\u672c\uff08\u5305\u62ec\u5df2\u63d0\u4ea4\u7684\u548c\u672a\u63d0\u4ea4\u7684\u4e8b\u7269\uff09\u4ee5\u53ca\u5757\u7684\u524d\u8c61(post image)\u3002\u5982\u679c\u53e6\u4e00\u4e2a\u5b9e\u4f8b\u4e5f\u8bf7\u6c42\u8be5\u5757\uff0c\u90a3\u4e48\u5168\u5c40\u7f13\u5b58\u670d\u52a1\u8981\u8d1f\u8d23\u8ddf\u8e2a\u62e5\u6709\u8be5\u5757\u7684\u5b9e\u4f8b\u3001\u62e5\u6709\u5757\u7684\u7248\u672c\u662f\u4ec0\u4e48\uff0c\u4ee5\u53ca\u5757\u5904\u4e8e\u4f55\u79cd\u6a21\u5f0f\u3002LMS \u8fdb\u7a0b\u662f\u5168\u5c40\u7f13\u5b58\u670d\u52a1\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\u3002<\/span><\/p>\n<ul>\n<li><strong>DIAG:Diagnostic Deamon<\/strong><\/li>\n<\/ul>\n<p>oracle10g\u65b0\u7684\u540e\u53f0\u8fdb\u7a0b \u4f8b\u884c\u5bf9\u5b9e\u4f8b\u7684\u5065\u5eb7\u60c5\u51b5\u8fdb\u884c\u76d1\u63a7\uff0c\u540c\u65f6\u4e5f\u76d1\u63a7\u5b9e\u4f8b\u662f\u5426\u6302\u8d77\u6216\u8005\u51fa\u73b0\u6b7b\u9501 \u6536\u96c6\u5b9e\u4f8b\u548c\u8fdb\u7a0b\u51fa\u9519\u65f6\u7684\u5173\u952e\u8bca\u65ad\u4fe1\u606f \u8fd9\u4e2a\u8fdb\u7a0b\u4f1a\u66f4\u65b0alert\u65e5\u5fd7\u6587\u4ef6\uff0c\u5199\u5165\u4e00\u4e9b\u91cd\u8981\u544a\u8b66\u4fe1\u606f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>oracle \u96c6\u7fa4\u5305\u542b\u4e24\u4e2a\u6280\u672f\u6808\uff1a\u4e0a\u5c42\u6808\u7531CRS\u670d&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,27],"tags":[16,63,97],"class_list":{"0":"post-669","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-oracle","8":"tag-oracle","9":"tag-rac","10":"tag-97"},"_links":{"self":[{"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=\/wp\/v2\/posts\/669","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=669"}],"version-history":[{"count":7,"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=\/wp\/v2\/posts\/669\/revisions"}],"predecessor-version":[{"id":678,"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=\/wp\/v2\/posts\/669\/revisions\/678"}],"wp:attachment":[{"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=669"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}