{"id":642,"date":"2023-05-29T22:16:59","date_gmt":"2023-05-29T14:16:59","guid":{"rendered":"https:\/\/www.dataz8.com\/?p=642"},"modified":"2023-06-13T15:21:51","modified_gmt":"2023-06-13T07:21:51","slug":"kubernetes%e5%88%86%e5%b8%83%e5%bc%8f%e5%ad%98%e5%82%a8%ef%bc%9aceph","status":"publish","type":"post","link":"https:\/\/www.dataz8.com\/?p=642","title":{"rendered":"Kubernetes\u5206\u5e03\u5f0f\u5b58\u50a8\uff1aCeph"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><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><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.dataz8.com\/?p=642\/#1_%E4%BB%80%E4%B9%88%E6%98%AFCeph\" >1. \u4ec0\u4e48\u662fCeph<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.dataz8.com\/?p=642\/#2_Ceph%E6%9E%B6%E6%9E%84\" >2. Ceph\u67b6\u6784<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.dataz8.com\/?p=642\/#21_Ceph%E6%A0%B8%E5%BF%83%E6%A6%82%E5%BF%B5\" >2.1 Ceph\u6838\u5fc3\u6982\u5ff5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.dataz8.com\/?p=642\/#22_Ceph%E6%A0%B8%E5%BF%83%E7%BB%84%E4%BB%B6\" >2.2 Ceph\u6838\u5fc3\u7ec4\u4ef6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.dataz8.com\/?p=642\/#23_Ceph%E4%B8%89%E7%A7%8D%E5%AD%98%E5%82%A8%E7%B1%BB%E5%9E%8B\" >2.3 Ceph\u4e09\u79cd\u5b58\u50a8\u7c7b\u578b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.dataz8.com\/?p=642\/#3_k8s%E4%BD%BF%E7%94%A8Ceph%E5%AD%98%E5%82%A8\" >3. k8s\u4f7f\u7528Ceph\u5b58\u50a8<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.dataz8.com\/?p=642\/#31_pod%E4%BD%BF%E7%94%A8RBD%E4%BD%9C%E4%B8%BA%E6%8C%81%E4%B9%85%E6%95%B0%E6%8D%AE%E5%8D%B7\" >3.1 pod\u4f7f\u7528RBD\u4f5c\u4e3a\u6301\u4e45\u6570\u636e\u5377<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%E4%BB%80%E4%B9%88%E6%98%AFCeph\"><\/span>1. \u4ec0\u4e48\u662fCeph<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ceph\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u7684\u5b58\u50a8\u7cfb\u7edf\uff0c\u53ef\u7528\u4e8e\u4e3a\u4e91\u5e73\u53f0\u63d0\u4f9bCeph\u5bf9\u8c61\u5b58\u50a8\uff0c\u4e3a\u4e91\u5e73\u53f0\u63d0\u4f9bCeph\u5757\u8bbe\u5907\u670d\u52a1\u3002Ceph\u53ef\u7528\u4e8e\u90e8\u7f72Ceph\u6587\u4ef6\u7cfb\u7edf\uff0c\u6240\u6709Ceph\u5b58\u50a8\u96c6\u7fa4\u90e8\u7f72\u90fd\u4ece\u8bbe\u7f6e\u6bcf\u4e2aCeph\u8282\u70b9\u5f00\u59cb\uff0c\u7136\u540e\u8bbe\u7f6e\u7f51\u7edc\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ceph\u5177\u6709\u9ad8\u6269\u5c55\u6027\u3001\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u9760\u6027\u7b49\u4f18\u70b9\uff0c\u540c\u65f6\u63d0\u4f9b\u5757\u5b58\u50a8\u670d\u52a1(rbd)\u3001\u5bf9\u8c61\u5b58\u50a8\u670d\u52a1(rgw)\u4ee5\u53ca\u6587\u4ef6\u7cfb\u7edf\u5b58\u50a8\u670d\u52a1(cephfs)\u3002Ceph\u5728\u5b58\u50a8\u7684\u65f6\u5019\uff0c\u5145\u5206\u5229\u7528\u5b58\u50a8\u8282\u70b9\u7684\u8ba1\u7b97\u80fd\u529b\uff0c\u5728\u5b58\u50a8\u6bcf\u4e00\u4e2a\u6570\u636e\u65f6\uff0c\u90fd\u4f1a\u901a\u8fc7\u8ba1\u7b97\u5f97\u51fa\u8be5\u6570\u636e\u7684\u4f4d\u7f6e\uff0c\u5c3d\u91cf\u5206\u5e03\u5747\u8861\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2aCeph\u5b58\u50a8\u96c6\u7fa4\u9700\u8981\u4ee5\u4e0b\u6761\u4ef6\uff1a\u81f3\u5c11\u4e00\u4e2aCeph Monitor\u548c\u81f3\u5c11\u4e00\u4e2aCephManager\uff0c\u4ee5\u53ca\u81f3\u5c11\u4e0e\u5b58\u50a8\u5728Ceph\u96c6\u7fa4\u4e0a\u7684\u5bf9\u8c61\u526f\u672c\u4e00\u6837\u591a\u7684Ceph OSD\uff08\u4f8b\u5982\uff0c\u5982\u679c\u7ed9\u5b9a\u5bf9\u8c61\u7684\u4e09\u4e2a\u526f\u672c\u5b58\u50a8\u5728Ceph\u96c6\u7fa4\u4e0a\uff0c\u90a3\u4e48\u8be5Ceph\u96c6\u7fa4\u4e2d\u5fc5\u987b\u81f3\u5c11\u5b58\u5728\u4e09\u4e2aOSD\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ceph\u7684\u5b98\u65b9\u7f51\u7ad9\uff1ahttps:\/\/ceph.io\/<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ceph\u5143\u6570\u636e\u670d\u52a1\u5668\u662f\u8fd0\u884cCeph\u6587\u4ef6\u7cfb\u7edf\u5ba2\u6237\u7aef\u6240\u5fc5\u9700\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/06\/Ceph-Metadata-Server.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 690px; --smush-placeholder-aspect-ratio: 690\/98;\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Monitors\uff1aCeph Monitor(ceph-mon)\u7ef4\u62a4\u96c6\u7fa4\u72b6\u6001\u56fe\uff0c\u5305\u62ec\u76d1\u89c6\u5668\u56fe\u3001\u7ba1\u7406\u5668\u56fe\u3001OSD\u56fe\u3001MDS\u56fe\u548cCRUSH\u56fe\u3002\u8fd9\u4e9b\u6620\u5c04\u662fCeph\u5b88\u62a4\u8fdb\u7a0b\u76f8\u4e92\u534f\u8c03\u6240\u9700\u7684\u5173\u952e\u96c6\u7fa4\u72b6\u6001\u3002\u76d1\u89c6\u5668\u8fd8\u8d1f\u8d23\u7ba1\u7406\u5b88\u62a4\u8fdb\u7a0b\u548c\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u8eab\u4efd\u9a8c\u8bc1\u3002\u901a\u5e38\u81f3\u5c11\u9700\u8981\u4e09\u4e2a\u76d1\u89c6\u5668\u624d\u80fd\u5b9e\u73b0\u5197\u4f59\u548c\u9ad8\u53ef\u7528\u6027\u3002<\/li>\n\n\n\n<li>Managers\uff1aCeph\u7ba1\u7406\u5668\u5b88\u62a4\u8fdb\u7a0b(ceph-mgr)\u8d1f\u8d23\u8ddf\u8e2a\u8fd0\u884c\u65f6\u6307\u6807\u548cCeph\u96c6\u7fa4\u7684\u5f53\u524d\u72b6\u6001\uff0c\u5305\u62ec\u5b58\u50a8\u5229\u7528\u7387\u3001\u5f53\u524d\u6027\u80fd\u6307\u6807\u548c\u7cfb\u7edf\u8d1f\u8f7d\u3002Ceph Manager\u5b88\u62a4\u8fdb\u7a0b\u8fd8\u6258\u7ba1\u57fa\u4e8ePython\u7684\u6a21\u5757\u6765\u7ba1\u7406\u548c\u516c\u5f00Ceph\u96c6\u7fa4\u4fe1\u606f\uff0c\u5305\u62ec\u57fa\u4e8eWeb\u7684Ceph Dashboard\u548cREST API\u3002\u9ad8\u53ef\u7528\u6027\u901a\u5e38\u81f3\u5c11\u9700\u8981\u4e24\u4e2a\u7ba1\u7406\u5668\u3002<\/li>\n\n\n\n<li>Ceph OSDs\uff1a\u4e00\u4e2a\u5bf9\u8c61\u5b58\u50a8\u5b88\u62a4\u8fdb\u7a0b\uff08Ceph OSD\uff0cceph-osd\uff09\u5b58\u50a8\u6570\u636e\uff0c\u5904\u7406\u6570\u636e\u590d\u5236\uff0c\u6062\u590d\uff0c\u91cd\u65b0\u5e73\u8861\uff0c\u5e76\u901a\u8fc7\u68c0\u67e5\u5176\u4ed6Ceph OSD\u5b88\u62a4\u8fdb\u7a0b\u7684\u5fc3\u8df3\u5411Ceph Monitors\u548cManagers\u63d0\u4f9b\u4e00\u4e9b\u76d1\u63a7\u4fe1\u606f\u3002\u901a\u5e38\u81f3\u5c11\u9700\u8981\u4e09\u4e2aCeph OSD\u624d\u80fd\u5b9e\u73b0\u5197\u4f59\u548c\u9ad8\u53ef\u7528\u6027\u3002<\/li>\n\n\n\n<li>MDS\uff1aCeph\u5143\u6570\u636e\u670d\u52a1\u5668\uff08MDS\uff0cceph-mds\uff09\u4ee3\u8868Ceph\u6587\u4ef6\u7cfb\u7edf\u5b58\u50a8\u5143\u6570\u636e\uff08\u5373\uff0cCeph\u5757\u8bbe\u5907\u548cCeph\u5bf9\u8c61\u5b58\u50a8\u4e0d\u4f7f\u7528MDS\uff09\u3002Ceph\u5143\u6570\u636e\u670d\u52a1\u5668\u5141\u8bb8POSIX\u6587\u4ef6\u7cfb\u7edf\u7528\u6237\u6267\u884c\u57fa\u672c\u547d\u4ee4\uff08\u5982ls\u3001find\u7b49\uff09\uff0c\u800c\u4e0d\u4f1a\u7ed9Ceph\u5b58\u50a8\u96c6\u7fa4\u5e26\u6765\u5de8\u5927\u8d1f\u62c5\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1a\u4e3a\u6bcf\u4e2aMonitor\u914d\u5907\u4e00\u4e2aCeph Manager\u662f\u6700\u4f73\u505a\u6cd5\uff0c\u4f46\u8fd9\u4e0d\u662f\u5fc5\u9700\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ceph\u5c06\u6570\u636e\u4f5c\u4e3a\u5bf9\u8c61\u5b58\u50a8\u5728\u903b\u8f91\u5b58\u50a8\u6c60\u4e2d\u3002\u4f7f\u7528CRUSH\u7b97\u6cd5\uff0cCeph\u8ba1\u7b97\u51fa\u54ea\u4e2a\u5f52\u7f6e\u7ec4(PG)\u5e94\u8be5\u5305\u542b\u8be5\u5bf9\u8c61\uff0c\u4ee5\u53ca\u90a3\u4e2aOSD\u5e94\u8be5\u5b58\u50a8\u8be5\u5f52\u7f6e\u7ec4\u3002CRUSH\u7b97\u6cd5\u4f7fCeph\u5b58\u50a8\u96c6\u7fa4\u80fd\u591f\u52a8\u6001\u6269\u5c55\u3001\u91cd\u65b0\u5e73\u8861\u548c\u6062\u590d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Ceph%E6%9E%B6%E6%9E%84\"><\/span>2. Ceph\u67b6\u6784<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/06\/Ceph-Architecture-Diagram.png\" alt=\"\" width=\"722\" height=\"390\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ceph\u4f7f\u7528RADOS\u63d0\u4f9b\u5bf9\u8c61\u5b58\u50a8\uff0c\u901a\u8fc7librados\u5c01\u88c5\u5e93\u63d0\u4f9b\u591a\u79cd\u5b58\u50a8\u65b9\u5f0f\u7684\u6587\u4ef6\u548c\u5bf9\u8c61\u8f6c\u6362\u3002\u5916\u5c42\u901a\u8fc7RGW\uff08Object\uff0c\u6709\u539f\u751f\u7684API\uff0c\u800c\u4e14\u4e5f\u517c\u5bb9Swift\u548cS3\u7684API\uff0c\u9002\u5408\u5355\u5ba2\u6237\u7aef\u4f7f\u7528\uff09\u3001RBD\uff08Block\uff0c\u652f\u6301\u7cbe\u7b80\u914d\u7f6e\u3001\u5feb\u7167\u3001\u514b\u9686\uff0c\u9002\u5408\u591a\u5ba2\u6237\u7aef\uff0c\u6709\u76ee\u5f55\u7ed3\u6784\uff09\u3001CephFS\uff08File\uff0cPosix\u63a5\u53e3\uff0c\u652f\u6301\u5feb\u7167\uff0c\u6ca1\u6709\u76ee\u5f55\u7ed3\u6784\u4e0d\u80fd\u76f4\u63a5\u6253\u5f00\uff09\u5c06\u6570\u636e\u5199\u5165\u5b58\u50a8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9ad8\u6027\u80fd<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6452\u5f03\u4e86\u4f20\u7edf\u7684\u96c6\u4e2d\u5f0f\u5b58\u50a8\u5143\u6570\u636e\u5bfb\u5740\u7684\u65b9\u6848\uff0c\u91c7\u7528CRUSH\u7b97\u6cd5\uff0c\u6570\u636e\u5206\u5e03\u5747\u8861\uff0c\u5e76\u884c\u5ea6\u9ad8\u3002<\/li>\n\n\n\n<li>\u8003\u8651\u4e86\u5bb9\u707e\u57df\u7684\u9694\u79bb\uff0c\u80fd\u591f\u5b9e\u73b0\u5404\u7c7b\u8d1f\u8f7d\u7684\u526f\u672c\u653e\u7f6e\u89c4\u5219\uff0c\u4f8b\u5982\u8de8\u673a\u623f\u3001\u673a\u67b6\u611f\u77e5\u7b49\u3002<\/li>\n\n\n\n<li>\u80fd\u591f\u652f\u6301\u4e0a\u5343\u4e2a\u5b58\u50a8\u8282\u70b9\u7684\u89c4\u6a21\uff0c\u652f\u6301TB\u5230PB\u7ea7\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9ad8\u53ef\u6269\u5c55\u6027<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53bb\u4e2d\u5fc3\u5316\u3002<\/li>\n\n\n\n<li>\u6269\u5c55\u7075\u6d3b\u3002<\/li>\n\n\n\n<li>\u968f\u7740\u8282\u70b9\u589e\u52a0\u800c\u7ebf\u6027\u589e\u957f\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7279\u6027\u4e30\u5bcc<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u652f\u6301\u4e09\u79cd\u5b58\u50a8\u63a5\u53e3\uff1a\u5757\u5b58\u50a8\u3001\u6587\u4ef6\u5b58\u50a8\u3001\u5bf9\u8c61\u5b58\u50a8\u3002<\/li>\n\n\n\n<li>\u652f\u6301\u81ea\u5b9a\u4e49\u63a5\u53e3\uff0c\u652f\u6301\u591a\u79cd\u8bed\u8a00\u9a71\u52a8\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"21_Ceph%E6%A0%B8%E5%BF%83%E6%A6%82%E5%BF%B5\"><\/span>2.1 Ceph\u6838\u5fc3\u6982\u5ff5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2460 RADOS<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5168\u7a0bReliable Autonomic Distributed Object Store\uff0c\u5373\u53ef\u9760\u7684\u3001\u81ea\u52a8\u5316\u7684\u5206\u5e03\u5f0f\u5bf9\u8c61\u5b58\u50a8\u7cfb\u7edf\u3002RADOS\u662fCeph\u96c6\u7fa4\u7684\u7cbe\u534e\uff0c\u7528\u6237\u5b9e\u73b0\u6570\u636e\u5206\u914d\u3001Failover\u7b49\u96c6\u7fa4\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2461 Librados<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rados\u63d0\u4f9b\u5e93\uff0c\u56e0\u4e3aRADOS\u662f\u534f\u8bae\uff0c\u5f88\u96be\u76f4\u63a5\u8bbf\u95ee\uff0c\u56e0\u6b64\uff0c\u4e0a\u5c42\u7684RBD\u3001RGW\u548cCephFS\u90fd\u662f\u901a\u8fc7librados\u8bbf\u95ee\uff0c\u76ee\u524d\u63d0\u4f9bPHP\u3001Ruby\u3001Java\u3001Python\u3001C\u548cC++\u652f\u6301\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2462 Crush<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Crush\u7b97\u6cd5\u662fCeph\u7684\u4e24\u5927\u521b\u65b0\u4e4b\u4e00\uff0c\u901a\u8fc7Crush\u7b97\u6cd5\u7684\u5bfb\u5740\u64cd\u4f5c\uff0cCeph\u5f97\u4ee5\u6452\u5f03\u4f20\u7edf\u7684\u96c6\u4e2d\u5f0f\u5b58\u50a8\u5143\u6570\u636e\u5bfb\u5740\u65b9\u6848\u3002\u800cCrush\u7b97\u6cd5\u5728\u4e00\u81f4\u6027\u54c8\u5e0c\u57fa\u7840\u4e0a\u5f88\u597d\u7684\u8003\u8651\u4e86\u5bb9\u707e\u57df\u7684\u9694\u79bb\uff0c\u4f7f\u5f97Ceph\u80fd\u591f\u5b9e\u73b0\u5404\u7c7b\u8d1f\u8f7d\u7684\u526f\u672c\u89c4\u5219\uff0c\u4f8b\u5982\uff0c\u8de8\u673a\u623f\u3001\u673a\u67b6\u611f\u77e5\u7b49\u3002\u540c\u65f6\uff0cCrush\u7b97\u6cd5\u6709\u76f8\u5f53\u5f3a\u5927\u7684\u6269\u5c55\u6027\uff0c\u7406\u8bba\u4e0a\u53ef\u4ee5\u652f\u6301\u6570\u5343\u4e2a\u5b58\u50a8\u8282\u70b9\uff0c\u8fd9\u4e3aCeph\u5728\u5927\u89c4\u6a21\u4e91\u73af\u5883\u4e2d\u7684\u5e94\u7528\u63d0\u4f9b\u4e86\u5148\u5929\u7684\u4fbf\u5229\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2463 Pool<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pool\u662f\u5b58\u50a8\u5bf9\u8c61\u7684\u903b\u8f91\u5206\u533a\uff0c\u5b83\u89c4\u5b9a\u4e86\u6570\u636e\u5197\u4f59\u7684\u7c7b\u578b\u548c\u5bf9\u5e94\u7684\u526f\u672c\u5206\u5e03\u7b56\u7565\uff0c\u652f\u6301\u4e24\u79cd\u7c7b\u578b\uff1a\u526f\u672c\uff08replicated\uff09\u548c\u7ea0\u5220\u7801\uff08Erasure Code\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2464 PG<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PG\uff08placement group\uff09\u662f\u4e00\u4e2a\u653e\u7f6e\u7b56\u7565\u7ec4\uff0c\u4ed6\u662f\u5bf9\u8c61\u7684\u96c6\u5408\uff0c\u8be5\u96c6\u5408\u91cc\u7684\u6240\u6709\u5bf9\u8c61\u90fd\u5177\u6709\u76f8\u540c\u7684\u653e\u7f6e\u7b56\u7565\uff0c\u7b80\u5355\u6765\u8bf4\uff0c\u5c31\u662f\u76f8\u540cPG\u5185\u7684\u5bf9\u8c61\u90fd\u4f1a\u653e\u5230\u76f8\u540c\u7684\u786c\u76d8\u4e0a\uff0cPG\u662fceph\u7684\u903b\u8f91\u6982\u5ff5\uff0c\u670d\u52a1\u7aef\u6570\u636e\u5747\u8861\u548c\u6062\u590d\u7684\u6700\u5c0f\u7c92\u5ea6\u5c31\u662fPG\uff0c\u4e00\u4e2a PG\u5305\u542b\u591a\u4e2aOSD\u3002\u5f15\u5165PG\u8fd9\u4e00\u5c42\u5176\u5b9e\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5206\u914d\u6570\u636e\u548c\u5b9a\u4f4d\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2464 Object<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b80\u5355\u6765\u8bf4\uff0c\u5757\u5b58\u50a8\u8bfb\u5199\u5feb\uff0c\u4e0d\u5229\u4e8e\u5171\u4eab\uff0c\u6587\u4ef6\u5b58\u50a8\u8bfb\u5199\u6162\uff0c\u5229\u4e8e\u5171\u4eab\u3002\u80fd\u5426\u5f04\u4e00\u4e2a\u8bfb\u5199\u5feb\uff0c\u5229\u4e8e\u5171\u4eab\u7684\u51fa\u6765\uff0c\u4e8e\u662f\u5c31\u6709\u4e86\u5bf9\u8c61\u5b58\u50a8\u3002\u6700\u5e95\u5c42\u7684\u5b58\u50a8\u5355\u5143\uff0c\u5305\u542b\u5143\u6570\u636e\u548c\u539f\u59cb\u6570\u636e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"22_Ceph%E6%A0%B8%E5%BF%83%E7%BB%84%E4%BB%B6\"><\/span>2.2 Ceph\u6838\u5fc3\u7ec4\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2460 OSD<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">OSD\u662f\u8d1f\u8d23\u7269\u7406\u5b58\u50a8\u7684\u8fdb\u7a0b\uff0c\u4e00\u822c\u914d\u7f6e\u6210\u548c\u78c1\u76d8\u4e00\u4e00\u5bf9\u5e94\uff0c\u4e00\u5757\u78c1\u76d8\u542f\u52a8\u4e00\u4e2aOSD\u8fdb\u7a0b\u3002\u4e3b\u8981\u529f\u80fd\u662f\u5b58\u50a8\u6570\u636e\u3001\u590d\u5236\u6570\u636e\u3001\u5e73\u8861\u6570\u636e\u3001\u6062\u590d\u6570\u636e\uff0c\u4ee5\u53ca\u4e0e\u5176\u5b83OSD\u95f4\u8fdb\u884c\u5fc3\u8df3\u68c0\u67e5\uff0c\u8d1f\u8d23\u54cd\u5e94\u5ba2\u6237\u7aef\u8bf7\u6c42\u8fd4\u56de\u5177\u4f53\u6570\u636e\u7684\u8fdb\u7a0b\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pool\u3001PG\u548cOSD\u7684\u5173\u7cfb\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u4e2aPool\u91cc\u6709\u5f88\u591aPG\uff1b<\/li>\n\n\n\n<li>\u4e00\u4e2aPG\u91cc\u5305\u542b\u4e00\u5806\u5bf9\u8c61\uff0c\u4e00\u4e2a\u5bf9\u8c61\u53ea\u80fd\u5c5e\u4e8e\u4e00\u4e2aPG\uff1b<\/li>\n\n\n\n<li>PG\u6709\u4e3b\u4ece\u4e4b\u5206\uff0c\u4e00\u4e2aPG\u5206\u5e03\u5728\u4e0d\u540c\u7684OSD\u4e0a\uff08\u9488\u5bf9\u4e09\u526f\u672c\u7c7b\u578b\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2461 Monitor<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2aCeph\u96c6\u7fa4\u9700\u8981\u591a\u4e2aMonitor\u7ec4\u6210\u7684\u5c0f\u96c6\u7fa4\uff0c\u5b83\u4eec\u901a\u8fc7Paxos\u540c\u6b65\u6570\u636e\uff0c\u7528\u6765\u4fdd\u5b58OSD\u7684\u5143\u6570\u636e\u3002\u8d1f\u8d23\u76d1\u89c6\u6574\u4e2aCeph\u96c6\u7fa4\u8fd0\u884c\u7684Map\u89c6\u56fe\uff08\u5982OSD Map\u3001Monitor Map\u3001PG Map\u548cCRUSH Map\uff09\uff0c\u7ef4\u62a4\u96c6\u7fa4\u7684\u5065\u5eb7\u72b6\u6001\uff0c\u7ef4\u62a4\u5c55\u793a\u96c6\u7fa4\u72b6\u6001\u7684\u5404\u79cd\u56fe\u8868\uff0c\u7ba1\u7406\u96c6\u7fa4\u5ba2\u6237\u7aef\u8ba4\u8bc1\u4e0e\u6388\u6743\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2462 MDS<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MDS\u5168\u7a0bCeph Metadata Server\uff0c\u662fCephFS\u670d\u52a1\u4f9d\u8d56\u7684\u5143\u6570\u636e\u670d\u52a1\u3002\u8d1f\u8d23\u4fdd\u5b58\u6587\u4ef6\u7cfb\u7edf\u7684\u5143\u6570\u636e\uff0c\u7ba1\u7406\u76ee\u5f55\u7ed3\u6784\u3002\u5bf9\u8c61\u5b58\u50a8\u548c\u5757\u8bbe\u5907\u4e0d\u9700\u8981\u5143\u6570\u636e\u670d\u52a1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2463 Mgr<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ceph\u5b98\u65b9\u5f00\u53d1\u4e86ceph-mgr\uff0c\u4e3b\u8981\u76ee\u6807\u5b9e\u73b0ceph\u96c6\u7fa4\u7684\u7ba1\u7406\uff0c\u4e3a\u5916\u754c\u63d0\u4f9b\u7edf\u4e00\u7684\u5165\u53e3\u3002\u4f8b\u5982cephmetrics\u3001zabbix\u3001calamari\u3001prometheus\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2464 RGW<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RGW\u5168\u79f0RADOS gateway\uff0c\u662fCeph\u5bf9\u5916\u63d0\u4f9b\u7684\u5bf9\u8c61\u5b58\u50a8\u670d\u52a1\uff0c\u63a5\u53e3\u4e0eS3\u548cSwift\u517c\u5bb9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2465 Admin<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ceph\u5e38\u7528\u7ba1\u7406\u63a5\u53e3\u901a\u5e38\u90fd\u662f\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5982rados\u3001ceph\u3001rbd\u7b49\u547d\u4ee4\uff0c\u53e6\u5916Ceph\u8fd8\u6709\u4e00\u4e2a\u4e13\u7528\u7684\u7ba1\u7406\u8282\u70b9\uff0c\u5728\u6b64\u8282\u70b9\u4e0a\u90e8\u7f72\u4e13\u95e8\u7684\u7ba1\u7406\u5de5\u5177\u6765\u5b9e\u73b0\u8fd1\u4e4e\u96c6\u7fa4\u7684\u4e00\u4e9b\u7ba1\u7406\u5de5\u4f5c\uff0c\u5982\u96c6\u7fa4\u90e8\u7f72\uff0c\u96c6\u7fa4\u7ec4\u4ef6\u7ba1\u7406\u7b49\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"23_Ceph%E4%B8%89%E7%A7%8D%E5%AD%98%E5%82%A8%E7%B1%BB%E5%9E%8B\"><\/span>2.3 Ceph\u4e09\u79cd\u5b58\u50a8\u7c7b\u578b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2460 \u5757\u5b58\u50a8\uff08RBD\uff09<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f18\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u901a\u8fc7Raid\u4e0eLVM\u7b49\u624b\u6bb5\uff0c\u5bf9\u6570\u636e\u63d0\u4f9b\u4e86\u4fdd\u62a4\uff1b<\/li>\n\n\n\n<li>\u591a\u5757\u5ec9\u4ef7\u7684\u786c\u76d8\u7ec4\u5408\u8d77\u6765\uff0c\u63d0\u9ad8\u5bb9\u91cf\uff1b<\/li>\n\n\n\n<li>\u591a\u5757\u78c1\u76d8\u7ec4\u5408\u51fa\u6765\u7684\u903b\u8f91\u76d8\uff0c\u63d0\u5347\u8bfb\u5199\u6548\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f3a\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u91c7\u7528SAN\u67b6\u6784\u7ec4\u7f51\u65f6\uff0c\u5149\u7ea4\u4ea4\u6362\u673a\uff0c\u9020\u4ef7\u6210\u672c\u9ad8\uff1b<\/li>\n\n\n\n<li>\u4e3b\u673a\u4e4b\u95f4\u65e0\u6cd5\u5171\u4eab\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>docker\u5bb9\u5668\u3001\u865a\u62df\u673a\u78c1\u76d8\u5b58\u50a8\u5206\u914d\uff1b<\/li>\n\n\n\n<li>\u65e5\u5fd7\u5b58\u50a8\uff1b<\/li>\n\n\n\n<li>\u6587\u4ef6\u5b58\u50a8\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2461 \u6587\u4ef6\u5b58\u50a8\uff08CephFS\uff09<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f18\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9020\u4ef7\u4f4e\uff0c\u968f\u4fbf\u4e00\u53f0\u673a\u5668\u5c31\u53ef\u4ee5\u4e86\uff1b<\/li>\n\n\n\n<li>\u65b9\u4fbf\u6587\u4ef6\u5171\u4eab\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f3a\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bfb\u5199\u901f\u7387\u4f4e\uff1b<\/li>\n\n\n\n<li>\u4f20\u8f93\u901f\u7387\u6162\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n<ul 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k8s\u4f7f\u7528Ceph\u5b58\u50a8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"31_pod%E4%BD%BF%E7%94%A8RBD%E4%BD%9C%E4%B8%BA%E6%8C%81%E4%B9%85%E6%95%B0%E6%8D%AE%E5%8D%B7\"><\/span>3.1 pod\u4f7f\u7528RBD\u4f5c\u4e3a\u6301\u4e45\u6570\u636e\u5377<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">RBD\u652f\u6301ReadWriteOnce\uff0cReadOnlyMany\u4e24\u79cd\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2460 \u914d\u7f6erbd-provisionner<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u7684k8s\u96c6\u7fa4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/06\/local-k8s\u96c6\u7fa4.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 948px; --smush-placeholder-aspect-ratio: 948\/180;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/06\/local-k8s\u96c6\u7fa4-1.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1468px; --smush-placeholder-aspect-ratio: 1468\/506;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u5728k8s\u96c6\u7fa4\u4e2d\u5b89\u88c5rbd-provisioner\uff0cgithub\u4ed3\u5e93\uff1ahttps:\/\/github.com\/kubernetes-retired\/external-storage.git<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@k8s-master Ceph]# git clone https:\/\/github.com\/kubernetes-retired\/external-storage.git\n&#91;root@k8s-master Ceph]# ll \n\u603b\u7528\u91cf 4 \ndrwxr-xr-x 17 root root 4096 6\u6708  13 14:54 external-storage \n&#91;root@k8s-master Ceph]# cd external-storage\/ \n&#91;root@k8s-master external-storage]# cd ceph\/rbd\/deploy\/ \n&#91;root@k8s-master deploy]# NAMESPACE=kube-system \n&#91;root@k8s-master deploy]# sed -r -i \"s\/namespace: &#91;^ ]+\/namespace: $NAMESPACE\/g\" .\/rbac\/clusterrolebinding.yaml .\/rbac\/rolebinding.yaml \n&#91;root@k8s-master deploy]# kubectl -n $NAMESPACE apply -f .\/rbac \nclusterrole.rbac.authorization.k8s.io\/rbd-provisioner created \nclusterrolebinding.rbac.authorization.k8s.io\/rbd-provisioner created \ndeployment.apps\/rbd-provisioner created \nrole.rbac.authorization.k8s.io\/rbd-provisioner created \nrolebinding.rbac.authorization.k8s.io\/rbd-provisioner created \nserviceaccount\/rbd-provisioner created<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u90e8\u7f72\u5b8c\u6210\u540e\uff0c\u68c0\u67e5rbd-provisioner deployment\uff0c\u786e\u4fdd\u5df2\u7ecf\u6b63\u5e38\u90e8\u7f72\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/06\/rbd-provisioner-deployment.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 2292px; --smush-placeholder-aspect-ratio: 2292\/552;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/06\/rbd-provisioner-describe.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1756px; --smush-placeholder-aspect-ratio: 1756\/1132;\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>1. \u4ec0\u4e48\u662fCeph 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&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_zb_attr":"","zolo_post_video_link":"","footnotes":""},"categories":[5,15],"tags":[],"series":[],"class_list":["post-642","post","type-post","status-publish","format-standard","hentry","category-kubernetes","category-15"],"_links":{"self":[{"href":"https:\/\/www.dataz8.com\/index.php?rest_route=\/wp\/v2\/posts\/642","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dataz8.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dataz8.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=642"}],"version-history":[{"count":55,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=\/wp\/v2\/posts\/642\/revisions"}],"predecessor-version":[{"id":822,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=\/wp\/v2\/posts\/642\/revisions\/822"}],"wp:attachment":[{"href":"https:\/\/www.dataz8.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=642"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}