{"id":78,"date":"2021-05-31T22:53:15","date_gmt":"2021-05-31T14:53:15","guid":{"rendered":"https:\/\/www.xudongvp.com\/?p=78"},"modified":"2021-05-31T22:54:43","modified_gmt":"2021-05-31T14:54:43","slug":"%e5%88%86%e5%b8%83%e5%bc%8f%e5%ad%98%e5%82%a8%ef%bc%9agpfs%e5%af%b9%e8%af%9dceph","status":"publish","type":"post","link":"https:\/\/www.xudongvp.com\/?p=78","title":{"rendered":"\u5206\u5e03\u5f0f\u5b58\u50a8\uff1aGPFS\u5bf9\u8bddCEPH"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">1. \u6570\u636e\u4e2d\u5fc3\u4e91\u5b58\u50a8\u8d8b\u52bf<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fc7\u53bb20\u5e74\uff0c\u4f20\u7edf\u7684\u96c6\u4e2d\u5f0f\u6570\u636e\u5b58\u50a8\u7ecf\u5386\u8fc7\u4e86\u5b83\u6700\u8f89\u714c\u7684\u65f6\u4ee3\uff0c\u4e91\u8ba1\u7b97\u5e26\u6765\u7684\u5e95\u5c42\u5b58\u50a8\u67b6\u6784\u53d8\u9769\uff0c\u5df2\u7ecf\u6162\u6162\u5ba3\u544a\u8fd9\u4e2a\u738b\u8005\u65f6\u4ee3\u7684\u8c22\u5e55\uff0c\u63a5\u68d2\u6570\u636e\u4e2d\u5fc3\u4e0b\u4e00\u4ee3\u5b58\u50a8\u9ed1\u79d1\u6280\u7684\u67b6\u6784\uff0c\u662f\u8fd1\u5e74\u5173\u6ce8\u5ea6\u66f4\u9ad8\u7684\u5173\u952e\u8bcd\uff0c\u5982\u5206\u5e03\u5f0f\u5b58\u50a8\uff0c\u5bf9\u8c61\u5b58\u50a8\uff0c\u8d85\u878d\u5408\u7b49\u6280\u672f\uff0c\u5728\u8fd9\u5176\u4e2d\uff0c\u9664\u4e86\u4f20\u7edf\u4e00\u7ebf\u5382\u5546\u7684\u6218\u7565\u8fed\u4ee3\u4ea7\u54c1\uff0c\u4e5f\u4e0d\u4e4f\u4f18\u79c0\u7684\u6c11\u95f4\u5f00\u6e90\u89e3\u51b3\u65b9\u6848\uff0c\u7ecf\u8fc7\u591a\u5e74\u7684\u6280\u672f\u6c89\u6dc0\uff0c\u800c\u4eca\u4e5f\u7ed3\u675f\u4e86\u91ce\u86ee\u7eb7\u4e89\u7684\u8349\u83bd\u65f6\u4ee3\uff0c\u5404\u5bb6\u4ea7\u54c1\u5212\u5730\u4e3a\u738b\uff0c\u7eb7\u7eb7\u627e\u5230\u4e86\u5b83\u7684\u7528\u6b66\u4e4b\u5730\uff0c\u800c\u5176\u4e2d\u7684\u4f7c\u4f7c\u8005\uff0c\u4e00\u4e2a\u662f\u5546\u4e1a\u8f6f\u4ef6\u754c\u7684\u9738\u4e3bGPFS\uff0c\u53e6\u4e00\u4e2a\u662f\u5f00\u6e90\u8f6f\u4ef6\u754c\u7684\u738b\u8005CEPH\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">2. GPFS\u548cCEPH\u7684\u521d\u6b21\u4eae\u76f8<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">GPFS\u5173\u4e8e\u6211\uff1a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5404\u4f4d\u597d\uff0c\u6211\u53ebGPFS\uff0c\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5171\u4eab\u5e76\u884c\u6587\u4ef6\u7cfb\u7edf\uff0c\u81ea\u8bde\u751f\u8d77\uff0c\u5c31\u4e3a\u9ad8\u6027\u80fd\u3001\u6570\u636e\u5171\u4eab\u3001\u5f00\u653e\u3001\u5b89\u5168\u800c\u751f\u3002\u6211\u4eca\u5e7423\u5c81\uff0c\u662f\u4e00\u540d95\u540e\uff0c\u4e24\u5e74\u524d\uff0c\u4e3a\u4e86\u66f4\u597d\u7684\u878d\u5165IBM\u5149\u8c31\u5b58\u50a8\u5927\u5bb6\u5ead\uff0c\u6211\u6709\u4e86\u4e2a\u66f4\u597d\u542c\u7684\u540d\u5b57\u2014\u2014SPECTRUM SCALE\uff0c\u5f53\u7136\u5bf9\u4e8e\u6211\u6765\u8bf4\uff0c\u8fd9\u4e0d\u4ec5\u4ec5\u662f\u540d\u5b57\u7684\u53d8\u66f4\uff0c\u4e5f\u610f\u5473\u5728\u6211\u8eab\u4e0a\uff0c\u589e\u52a0\u4e86\u5173\u4e8e\u95ea\u5b58\u3001\u5bb9\u707e\u3001\u5907\u4efd\u3001\u4e91\u5e73\u53f0\u63a5\u5165\u7b49\u8bf8\u591a\u7279\u6027\uff0c\u6211\u626e\u6f14\u7684\u89d2\u8272\u66f4\u52a0\u91cd\u8981\uff0c\u804c\u80fd\u5b9a\u4f4d\u4e5f\u6108\u52a0\u660e\u6670\u4e86\u3002\u5173\u4e8e\u672a\u6765\uff0c\u6211\u4e5f\u6709\u81ea\u5df1\u7684\u60f3\u6cd5\uff0c\u6709\u66f4\u5927\u7684\u613f\u666f\uff0c\u5e0c\u671b\u80fd\u548c\u6570\u636e\u4e2d\u5fc3\u7684\u5176\u5b83\u5c0f\u670b\u53cb\u4eec\u76f8\u5904\u6109\u5feb\uff0c\u548c\u8c10\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CEPH\u5173\u4e8e\u6211\uff1a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5927\u5bb6\u597d\uff0c\u6211\u53ebceph\uff0c\u662f\u4e00\u4e2a00\u540e\uff0c\u4eca\u5e7412\u5c81\u4e86\uff0c\u6cd5\u5f8b\u4e0a\u8fd8\u672a\u6210\u5e74\uff0c\u4f46\u6211\u7684\u516c\u4f17\u5f62\u8c61\u5df2\u7ecf\u5341\u5206\u6210\u719f\uff0c\u6211\u7684\u540d\u5b57\u6765\u6e90\u4e8e\u5ba0\u7269\u7ae0\u9c7c\u7684\u4e00\u4e2a\u7ef0\u53f7\uff0c\u5934\u50cf\u5c31\u662f\u4e00\u53ea\u53ef\u7231\u7684\u8f6f\u4f53\u7ae0\u9c7c\uff0c\u6709\u50cf\u7ae0\u9c7c\u89e6\u89d2\u4e00\u6837\u5e76\u53d1\u7684\u8d85\u80fd\u529b\u3002\u6211\u5e73\u5e38\u4e3b\u8981\u6d3b\u8dc3\u5728\u4e91\u8ba1\u7b97\u9886\u57df\uff0c\u7ecf\u8fc7\u591a\u5e74\u7684\u8131\u80ce\u6362\u9aa8\uff0c\u4e0d\u65ad\u8fed\u4ee3\uff0c\u6211\u79ef\u6512\u4e86\u826f\u597d\u7684\u53e3\u7891\uff0c\u597d\u7528\uff0c\u7a33\u5b9a\uff0c\u5173\u952e\u8fd8\u514d\u8d39\uff0c\u6211\u53ef\u4ee5\u63d0\u4f9b\u5bf9\u8c61\uff0c\u5757\u548c\u6587\u4ef6\u7ea7\u5b58\u50a8\u7684\u63a5\u53e3\uff0c\u51e0\u4e4e\u53ef\u4ee5\u8986\u76d6\u6240\u6709\u2026\u54c7\uff0c\u8bf4\u7740\u8bf4\u7740\u7a81\u7136\u611f\u89c9\u81ea\u5df1\u539f\u6765\u65e0\u6240\u4e0d\u80fd\u5462\uff0c\u8c22\u8c22\u5927\u5bb6\u8fd9\u4e48\u5173\u6ce8\u6211\uff0c\u5f53\u7136\uff0c\u76ee\u524d\u6211\u8fd8\u5728\u957f\u8eab\u4f53\u7684\u9636\u6bb5\uff0c\u5f88\u591a\u7279\u6027\u5728\u8d8b\u4e8e\u5b8c\u5584\uff0c\u5e0c\u671b\u672a\u6765\u6211\u4eec\u53ef\u4ee5\u76f8\u4e92\u4fc3\u8fdb\u6210\u957f\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">3. GPFS\u7684\u524d\u4e16\u4eca\u751f<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u4e3a\u4e00\u6b3e\u6210\u719f\u7684\u5546\u4e1a\u4ea7\u54c1\uff0cGPFS\u7684\u53d1\u5c55\u53f2\u65e9\u5df2\u767e\u8f6c\u5343\u56de\u4e86\uff0c\u5728\u63ed\u5f00GPFS\u7684\u9762\u7eb1\u4e4b\u524d\uff0c\u6211\u4eec\u8fd8\u662f\u5148\u6765\u626b\u626b\u76f2\uff0c\u590d\u4e60\u4e00\u4e0b\u5728GPFS\u96c6\u7fa4\u67b6\u6784\u4e2d\u6d89\u53ca\u5230\u7684\u57fa\u672c\u6982\u5ff5\u548c\u7ec4\u4ef6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u67b6\u6784\u89e3\u85d5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">a) Cluster\uff1aGPFS\u7684\u7ec4\u6210\u67b6\u6784\uff0c\u7531\u4e00\u7cfb\u5217\u7684\u8282\u70b9\u548cNSD\u7ec4\u6210\uff0c\u96c6\u7fa4\u7684\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4fdd\u5b58\u5728\u4e24\u53f0\u4e3b\u5907\u7684\u8282\u70b9\u4e0a\u3002<br>b) Node\uff1a\u5b89\u88c5\u4e86GPFS\u8f6f\u4ef6\u7684\u4e3b\u673a\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u6216\u8005\u901a\u8fc7\u7f51\u7edc\u8bbf\u95ee\u5176\u5b83\u8282\u70b9\u7684\u65b9\u5f0f\u6765\u8bbf\u95ee\u5b58\u50a8\uff0c\u6bcf\u4e2a\u8282\u70b9\u5728\u96c6\u7fa4\u914d\u7f6e\u4e2d\u6709\u4e0d\u540c\u7684\u89d2\u8272\u3002<br>c) Cluster manager\uff1a\u8d1f\u8d23\u6574\u4e2a\u96c6\u7fa4\u914d\u7f6e\u7684\u6b63\u786e\u6027\u548c\u5b8c\u6574\u6027\uff0c\u4e3b\u8981\u8d1f\u8d23\u76d1\u63a7\u78c1\u76d8\u79df\u7ea6\uff0c\u68c0\u6d4b\u8282\u70b9\u6545\u969c\u548c\u63a7\u5236\u8282\u70b9\u7684\u6545\u969c\u6062\u590d\uff0c\u5171\u4eab\u914d\u7f6e\u4fe1\u606f\uff0c\u9009\u4e3e\u6587\u4ef6\u7ba1\u7406\u8282\u70b9\u7b49\u4efb\u52a1\u3002<br>d) File system manager: \u7ef4\u62a4\u6587\u4ef6\u7cfb\u7edf\u4e2d\u78c1\u76d8\u7684\u53ef\u7528\u6027\u4fe1\u606f\uff0c\u7ba1\u7406\u78c1\u76d8\u7a7a\u95f4\uff0c\u6587\u4ef6\u7cfb\u7edf\u914d\u7f6e\uff0c\u78c1\u76d8\u914d\u989d\u7b49\u3002<br>e) Block: \u4e00\u4e2a\u96c6\u7fa4\u4e2d\u5355\u4e2aI\/O\u64cd\u4f5c\u548c\u7a7a\u95f4\u5206\u914d\u7684\u6700\u5927\u5355\u4f4d\u3002<br>f) NSD: \u63d0\u4f9b\u5168\u5c40\u6570\u636e\u8bbf\u95ee\u7684\u96c6\u7fa4\u7ec4\u4ef6\uff0c\u5982\u679c\u8282\u70b9\u548c\u78c1\u76d8\u95f4\u6ca1\u6709\u76f4\u63a5\u8fde\u63a5\uff0c\u5219NSD\u6700\u597d\u5177\u6709\u4e3b\u670d\u52a1\u8282\u70b9\u548c\u8f85\u670d\u52a1\u8282\u70b9\u3002<br>g) Chunk: FPO\u67b6\u6784\u4e2d\u7684\u6982\u5ff5\uff0c\u5b83\u662f\u4e00\u7ec4block\u5757\u7684\u96c6\u5408\uff0c\u770b\u8d77\u6765\u50cf\u4e00\u4e2a\u5927\u7684block\uff0c\u4e00\u822c\u7528\u4e8e\u5927\u6570\u636e\u73af\u5883\u3002<br>h) Failure Group: \u4e00\u7ec4\u5171\u4eab\u6545\u969c\u7684\u78c1\u76d8\u7ec4\uff0c\u5f53\u5176\u4e2d\u4e00\u5757\u76d8\u5931\u6548\u65f6\uff0c\u6574\u4e2a\u7ec4\u4f1a\u540c\u65f6\u5931\u6548\u3002<br>i) Metadata: \u5305\u62ec\u96c6\u7fa4\u914d\u7f6e\u4fe1\u606f\u548c\u975e\u7528\u6237\u6570\u636e\u3002<br>j) Quorum Nodes: \u7528\u4e8e\u4fdd\u6301\u96c6\u7fa4\u6d3b\u52a8\u7684\u4ef2\u88c1\u8282\u70b9\uff0c\u4e00\u822c\u6709\u4e24\u79cd\u4ef2\u88c1\u65b9\u5f0f\uff0c\u8282\u70b9\u4ef2\u88c1\u548c\u5e26Tiebreakerdisk(\u5fc3\u8df3\u76d8)\u7684\u4ef2\u88c1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8ff0\u7ec4\u4ef6\u5982\u4f55\u6709\u673a\u7684\u7ec4\u5408\u5728\u4e00\u8d77\u63d0\u4f9b\u5b58\u50a8\u670d\u52a1\u5462\uff0c\u628a\u4ee5\u4e0a\u7ec4\u4ef6\u62fc\u63a5\u8d77\u6765\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u4e0b\u56fe\u6240\u793a\u7684\u96c6\u7fa4\u5927\u4f53\u67b6\u6784\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.talkwithtrend.com\/home\/attachment\/201812\/10\/301729_154442306029571.png\"><img decoding=\"async\" src=\"https:\/\/www.talkwithtrend.com\/home\/attachment\/201812\/10\/301729_154442306029571.png\" alt=\"nb7nytcs9f\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528\u65b9\u6848<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u672c\u67b6\u6784\u4e86\u89e3\u4e86\uff0c\u90a3\u600e\u4e48\u7528\u5462\uff1f\u5148\u796d\u51fa\u4e09\u5f20\u67b6\u6784\u56fe\uff0c\u4e1a\u5185\u4eba\u58eb\u4e00\u770b\u5e94\u8be5\u61c2\uff0c\u4e0d\u660e\u767d\u6ca1\u5173\u7cfb\uff0c\u5f80\u4e0b\u9488\u5bf9\u8fd9\u51e0\u5f20\u56fe\u7a0d\u4f5c\u89e3\u91ca\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.talkwithtrend.com\/home\/attachment\/201812\/10\/301729_154442311870163.png\"><img decoding=\"async\" src=\"https:\/\/www.talkwithtrend.com\/home\/attachment\/201812\/10\/301729_154442311870163.png\" alt=\"x7msi8sv2rj\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de6\u4e0a\uff1a\u4f20\u7edf\u7684GPFS(Direct attach)\u4f7f\u7528\u573a\u666f\uff0c\u56fe\u4e2d\u5206\u4e3a\u4e3b\u673a\uff0c\u4ea4\u6362\u673a\uff0c\u5b58\u50a8\u4e09\u7c7b\u89d2\u8272\uff0c\u524d\u7aef\u4e3b\u673a(\u5373\u56fe\u4e2d\u7684Application Nodes)\u7c7b\u578b\u53ef\u4ee5\u662fAIX\/Linux\/Windows\u670d\u52a1\u5668\u8282\u70b9\uff0c\u5b58\u50a8\u4f7f\u7528\u96c6\u4e2d\u5f0f\u7684\u5b58\u50a8\u67b6\u6784\uff0c\u5b58\u50a8lun\u901a\u8fc7\u5149\u7ea4\u4ea4\u6362\u673aZoning\u7684\u65b9\u5f0f\u6620\u5c04\u7ed9\u6240\u6709\u4e3b\u673a\uff0c\u6570\u636e\u4f20\u8f93\u8d70\u5149\u7ea4\u7f51\u7edc\uff0c\u5728\u524d\u7aef\u4e3b\u673a\u4e2d\u80fd\u8bc6\u522b\u5230\u6240\u6709lun\u7684\u5757\u8bbe\u5907\uff0c\u5e76\u4e3a\u5176\u521b\u5efaNSD\uff0c\u4e3b\u673a\u4e0e\u5b58\u50a8\u95f4\u901a\u8fc7SAN\u7f51\u7edc\u76f4\u63a5\u901a\u4fe1\uff0c\u4e0d\u501f\u52a9\u901a\u8fc7\u5176\u5b83\u7ed3\u70b9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53f3\u4e0a\uff1a\u6df7\u5408\u7684GPFS\u4f7f\u7528\u573a\u666f\uff0c\u662f\u5de6\u4e0a\u67b6\u6784\u7684\u62d3\u5c55\uff0c\u8ddf\u5de6\u4e0a\u4e0d\u540c\u7684\u662f\uff0c\u5728\u8be5\u67b6\u6784\u4e2d\uff0c\u5e76\u975eGPFS\u7528\u5230\u7684\u6240\u6709NSD\u90fd\u6620\u5c04\u7ed9\u4e86\u6240\u6709\u7684\u4e3b\u673a\uff0c\u6211\u4eec\u7ed9\u96c6\u7fa4\u4e2d\u7684NSD\u6dfb\u52a0\u4e86NSD Server\u7684\u5c5e\u6027\uff0c\u8fd9\u5c31\u51b3\u5b9a\u4e86\u96c6\u7fa4\u4e2d\u4e00\u90e8\u5206\u8282\u70b9\u8bbf\u95ee\u5b58\u50a8\u7684\u65b9\u5f0f\uff0c\u4e0d\u662f\u76f4\u63a5\u8bbf\u95ee\u5b58\u50a8\uff0c\u800c\u662f\u901a\u8fc7TCP\/IP\u7f51\u7edc\u8bbf\u95eeNSD Server\u7684\u65b9\u5f0f\u6765\u8bbf\u95ee\u540e\u7aef\u5b58\u50a8\u3002\u4e3b\u8981\u9002\u7528\u4e8e\u4ee5\u4e0b\u60c5\u5f62\uff0c1. \u96c6\u7fa4\u8282\u70b9\u8de8\u7ad9\u70b9\uff0c\u4f46\u4e24\u4e2a\u7ad9\u70b9\u95f4\u6ca1\u6709\u8db3\u591f\u7a33\u5b9a\u7684\u5149\u7ea4\u901a\u9053\u53ef\u4ee5\u4e92\u901a\u30022. \u8282\u7701\u5149\u7ea4\u8d44\u6e90\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u56fe\uff1a\u8fd9\u5f20\u56fe\u662f\u6211\u4eec\u4eca\u5929\u7684\u4e3b\u89d2\uff0c\u4e5f\u662fGPFS\u4e4b\u6240\u4ee5\u62ff\u6765\u548cCEPH\u5bf9\u51b3\u7684\u6838\u5fc3\u67b6\u6784\uff0c\u6211\u4eec\u5728\u540e\u9762\u518d\u5c55\u5f00\u8bf4\u8bf4\u3002\u63a5\u4e0b\u6765\u8bf4\u8bf4\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4f20\u7edfDB2\u6570\u636e\u5e93\u53cc\u6d3b\u65b9\u6848GDPC\u7684\u4f7f\u7528\u573a\u666f\u4e2d\uff0c\u4e3a\u4e86\u5b9e\u73b0\u8de8\u7ad9\u70b9\u7684\u53cc\u6d3b+\u5bb9\u707e\uff0c\u5e95\u5c42\u5b58\u50a8\u65b9\u6848\u9009\u7528GPFS\uff0c\u53cc\u7ad9\u70b9\u67b6\u6784\u4e2d\uff0c\u4e24\u4e2a\u7ad9\u70b9\u5747\u914d\u5907\u4e3b\u673a\u548c\u5b58\u50a8\u8d44\u6e90\uff0c\u6bcf\u4e2a\u7ad9\u70b9\u7684\u5b58\u50a8\u5f62\u6210\u4e00\u4e2afailure group\uff0c \u8fdc\u7a0b\u8bbf\u95ee\u5bf9\u7aef\u5b58\u50a8\u91c7\u7528nsd server\u7684\u65b9\u5f0f\u8bbf\u95ee\uff0c\u4e24\u4e2afailure group\u95f4\u5b8c\u5168\u5197\u4f59\uff0c\u4efb\u4f55\u4e00\u4e2a\u7ad9\u70b9\u51fa\u73b0\u6545\u969c\u90fd\u4e0d\u5f71\u54cd\u6587\u4ef6\u7cfb\u7edf\u7684\u6b63\u5e38\u4f7f\u7528\uff0c\u5e76\u901a\u8fc7\u7b2c\u4e09\u65b9\u7ad9\u70b9\u7684\u4e00\u53f0\u670d\u52a1\u5668\u548cnsd\u4f5c\u4e3a\u4ef2\u88c1\u8282\u70b9\uff0c\u662f\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u53cc\u6d3b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">GPFS\u53ef\u4ee5\u7528\u6765\u66ff\u4ee3HDFS\u4f5c\u4e3a\u5927\u6570\u636e\u7684\u5e95\u5c42\u5b58\u50a8\uff0cGPFS FPO+Symphony\u4f5c\u4e3a\u76f8\u5bf9Mapreduce\u66f4\u9886\u5148\u7684\u5206\u5e03\u5f0f\u8ba1\u7b97\u6846\u67b6\uff0c\u53ef\u4ee5\u66f4\u7075\u6d3b\u548c\u652f\u6301\u548c\u5bf9\u63a5\u4f01\u4e1a\u7684IT\u4f7f\u7528\u573a\u666f\u3002<br>\u5728IBM\u7684\u90e8\u5206\u4f01\u4e1a\u7ea7\u4e91\u4ea7\u54c1\u4e2d\uff0cGPFS FPO\u4e5f\u88ab\u7528\u6765\u4f5c\u4e3a\u79c1\u6709\u4e91\u4ea7\u54c1\u7684\u5e95\u5c42\u5b58\u50a8\u6765\u4f7f\u7528\uff0c\u7528\u6765\u5b58\u50a8\u865a\u673a\u955c\u50cf\u548c\u4ecb\u8d28\uff0c\u8fd9\u4e00\u70b9\u4e0a\u4f7f\u7528\u548cCEPH\u4e5f\u6781\u4e3a\u76f8\u4f3c\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">4. CEPH\u7684\u53d1\u5c55\u4e4b\u8def<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u4e3a\u4e91\u8ba1\u7b97\u7684\u4e09\u67b6\u9a6c\u8f66\uff0c\u7f51\u7edc\uff0c\u5b58\u50a8\uff0c\u7ba1\u7406\u5e73\u53f0\uff0c\u4e1a\u754c\u7684\u5f00\u6e90\u65b9\u6848\u91cc\uff0c\u7f51\u7edc\u5c42\u9762SDN\u65e5\u6e10\u6210\u719f\uff0c\u7ba1\u7406\u5e73\u53f0\u4e0a\uff0cOpenstack\u5df2\u7ecf\u521b\u9020\u4e86\u4e00\u4e2a\u65f6\u4ee3\uff0c\u800cCEPH\uff0c\u65e0\u7591\u6210\u4e3a\u5b58\u50a8\u6700\u7280\u5229\u7684\u5f00\u6e90\u89e3\u51b3\u65b9\u6848\u3002\u8c08\u8d77\u5b83\u7684\u67b6\u6784\u4e4b\u524d\uff0c\u6211\u4eec\u6709\u5fc5\u8981\u5148\u6765\u4e86\u89e3\u4ee5\u4e0b\u8fd9\u4e9b\u6982\u5ff5\uff0c\u540c\u65f6\u4e3a\u4e86\u66f4\u52a0\u5f62\u8c61\u5316\uff0c\u6211\u4eec\u5c06\u90e8\u5206\u7ec4\u4ef6\u5bf9\u5e94\u5230GPFS\u7684\u7ec4\u4ef6\u4e0a\u6765\u7406\u89e3\uff0c\u4f46\u8bf7\u6ce8\u610f\u5b9e\u9645\u7684\u529f\u80fd\u548c\u7ed3\u6784\u4ecd\u7136\u5dee\u522b\u5de8\u5927\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u67b6\u6784\u89e3\u85d5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">a) Ceph monitor\u2014\u2014\u5bf9\u5e94quorum + cluster manager:\u4fdd\u5b58CEPH\u7684\u96c6\u7fa4\u72b6\u6001\u6620\u5c04\uff0c\u7ef4\u62a4\u96c6\u7fa4\u7684\u5065\u5eb7\u72b6\u6001\u3002\u5b83\u5206\u522b\u4e3a\u6bcf\u4e2a\u7ec4\u4ef6\u7ef4\u62a4\u6620\u5c04\u4fe1\u606f\uff0c\u5305\u62ecOSD map\u3001MON map\u3001PG map\u548cCRUSH map\u3002\u6240\u6709\u7fa4\u96c6\u8282\u70b9\u90fd\u5411MON\u8282\u70b9\u6c47\u62a5\u72b6\u6001\u4fe1\u606f\uff0c\u5e76\u5206\u4eab\u5b83\u4eec\u72b6\u6001\u4e2d\u7684\u4efb\u4f55\u53d8\u5316\u3002Ceph monitor\u4e0d\u5b58\u50a8\u6570\u636e\uff0c\u8fd9\u662fOSD\u7684\u4efb\u52a1\u3002<br>b) OSD\u2014\u2014\u5bf9\u5e94NSD: CEPH\u7684\u5bf9\u8c61\u5b58\u50a8\u8bbe\u5907\uff0c\u53ea\u8981\u5e94\u7528\u7a0b\u5e8f\u5411Ceph\u96c6\u7fa4\u53d1\u51fa\u5199\u64cd\u4f5c\uff0c\u6570\u636e\u5c31\u4f1a\u88ab\u4ee5\u5bf9\u8c61\u5f62\u5f0f\u5b58\u50a8\u5728OSD\u4e2d\u3002\u8fd9\u662fCeph\u96c6\u7fa4\u4e2d\u552f\u4e00\u80fd\u5b58\u50a8\u7528\u6237\u6570\u636e\u7684\u7ec4\u4ef6\uff0c\u540c\u65f6\u7528\u6237\u4e5f\u53ef\u4ee5\u53d1\u9001\u8bfb\u547d\u4ee4\u6765\u8bfb\u53d6\u6570\u636e\u3002\u901a\u5e38\uff0c\u4e00\u4e2aOSD\u5b88\u62a4\u8fdb\u7a0b\u4f1a\u88ab\u7ed1\u5b9a\u5230\u96c6\u7fa4\u4e2d\u7684\u4e00\u5757\u7269\u7406\u78c1\u76d8\uff0c\u4e00\u5757\u78c1\u76d8\u542f\u52a8\u4e00\u4e2aOSD\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u5bf9\u5e94GPFS\u7684NSD\u6982\u5ff5\u3002<br>c) Pool\uff1a\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\u526f\u672c\u652f\u6301\u4e24\u79cd\u7c7b\u578b\uff1a\u526f\u672c\uff08replicated\uff09\u548c \u7ea0\u5220\u7801\uff08 Erasure Code\uff09<br>d) PG(placement group)\u2014\u2014\u5bf9\u5e94Chunk\uff1a\u662f\u4e00\u4e2a\u653e\u7f6e\u7b56\u7565\u7ec4\uff0c\u5b83\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\uff1b\u7b80\u5355\u70b9\u8bf4\u5c31\u662f\u76f8\u540cPG\u5185\u7684\u5bf9\u8c61\u90fd\u4f1a\u653e\u5230\u76f8\u540c\u7684\u786c\u76d8\u4e0a\uff1b PG\u662f ceph\u7684\u6838\u5fc3\u6982\u5ff5\uff0c \u670d\u52a1\u7aef\u6570\u636e\u5747\u8861\u548c\u6062\u590d\u7684\u6700\u5c0f\u7c92\u5ea6\u5c31\u662fPG\uff1b<br>e) MDS\u2014\u2014\u5bf9\u5e94Filesystem manager\uff1aCeph\u5143\u6570\u636e\u670d\u52a1\u5668\uff0cMDS\u53ea\u4e3aCephFS\u6587\u4ef6\u7cfb\u7edf\u8ddf\u8e2a\u6587\u4ef6\u7684\u5c42\u6b21\u7ed3\u6784\u548c\u5b58\u50a8\u5143\u6570\u636e\u3002Ceph\u5757\u8bbe\u5907\u548cRADOS\u5e76\u4e0d\u9700\u8981\u5143\u6570\u636e\uff0c\u56e0\u6b64\u4e5f\u4e0d\u9700\u8981Ceph MDS\u5b88\u62a4\u8fdb\u7a0b\u3002MDS\u4e0d\u76f4\u63a5\u63d0\u4f9b\u6570\u636e\u7ed9\u5ba2\u6237\u7aef\uff0c\u4ece\u800c\u6d88\u9664\u4e86\u7cfb\u7edf\u4e2d\u7684\u6545\u969c\u5355\u70b9\u3002<br>f) RADOS\uff1aRADOS\u662fCeph\u5b58\u50a8\u96c6\u7fa4\u7684\u57fa\u7840\u3002\u5728Ceph\u4e2d\uff0c\u6240\u6709\u6570\u636e\u90fd\u4ee5\u5bf9\u8c61\u5f62\u5f0f\u5b58\u50a8\uff0c\u5e76\u4e14\u65e0\u8bba\u662f\u54ea\u79cd\u6570\u636e\u7c7b\u578b\uff0cRADOS\u5bf9\u8c61\u5b58\u50a8\u90fd\u5c06\u8d1f\u8d23\u4fdd\u5b58\u8fd9\u4e9b\u5bf9\u8c61\u3002RADOS\u5c42\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u59cb\u7ec8\u4fdd\u6301\u4e00\u81f4\u3002\u8981\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u987b\u6267\u884c\u6570\u636e\u590d\u5236\u3001\u6545\u969c\u68c0\u6d4b\u548c\u6062\u590d\uff0c\u4ee5\u53ca\u6570\u636e\u8fc1\u79fb\u548c\u5728\u6240\u6709\u96c6\u7fa4\u8282\u70b9\u5b9e\u73b0\u518d\u5e73\u8861\u3002<br>g) RBD\uff1aRADOS\u5757\u8bbe\u5907\uff0c\u63d0\u4f9b\u6301\u4e45\u5757\u5b58\u50a8\uff0c\u5b83\u662f\u81ea\u52a8\u7cbe\u7b80\u914d\u7f6e\u5e76\u53ef\u8c03\u6574\u5927\u5c0f\u7684\uff0c\u800c\u4e14\u5c06\u6570\u636e\u5206\u6563\u5b58\u50a8\u5728\u591a\u4e2aOSD\u4e0a\u3002RBD\u670d\u52a1\u5df2\u7ecf\u88ab\u5c01\u88c5\u6210\u4e86\u57fa\u4e8elibrados\u7684\u4e00\u4e2a\u539f\u751f\u63a5\u53e3\u3002<br>h) RGW:RADOS\u7f51\u5173\u63a5\u53e3,RGW\u63d0\u4f9b\u5bf9\u8c61\u5b58\u50a8\u670d\u52a1\u3002\u5b83\u4f7f\u7528librgw\u548clibrados\uff0c\u5141\u8bb8\u5e94\u7528\u7a0b\u5e8f\u4e0eCeph\u5bf9\u8c61\u5b58\u50a8\u5efa\u7acb\u8fde\u63a5\u3002RGW\u63d0\u4f9b\u4e86\u4e0eAmazon S3\u548cOpenStack Swift\u517c\u5bb9\u7684RESTful API\u3002<br>i) CephFS\u2014\u2014\u5bf9\u5e94GPFS\u6587\u4ef6\u7cfb\u7edf\uff1aCeph\u6587\u4ef6\u7cfb\u7edf\u63d0\u4f9b\u4e86\u4e00\u4e2a\u4f7f\u7528Ceph\u5b58\u50a8\u96c6\u7fa4\u5b58\u50a8\u7528\u6237\u6570\u636e\u7684\u4e0ePOSIX\u517c\u5bb9\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u548cRBD\u3001RGW\u4e00\u6837\uff0cCephFS\u670d\u52a1\u4e5f\u57fa\u4e8elibrados\u5c01\u88c5\u4e86\u539f\u751f\u63a5\u53e3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u6837\uff0c\u5982\u679c\u628a\u4e0a\u8ff0\u5143\u7d20\u548c\u6982\u5ff5\u6309\u7167\u903b\u8f91\u8fdb\u884c\u62fc\u63a5\uff0c\u53ef\u4ee5\u5f97\u5230\u4ee5\u4e0b\u8fd9\u5f20CEPH\u7684\u57fa\u672c\u67b6\u6784\u56fe\uff0c\u56fe\u4e2d\u53cd\u6620\u4e86\u5404\u4e2a\u7ec4\u4ef6\u7684\u903b\u8f91\u5173\u7cfb\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.talkwithtrend.com\/home\/attachment\/201812\/10\/301729_154442331246284.png\"><img decoding=\"async\" src=\"https:\/\/www.talkwithtrend.com\/home\/attachment\/201812\/10\/301729_154442331246284.png\" alt=\"xaz48e3med\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">CEPH\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7406\u8bba\u4e0a\u65e0\u9650\u6269\u5c55\u7684\u96c6\u7fa4\uff0c\u5ba2\u6237\u7aef\u548cceph osd\u8fdb\u7a0b\u901a\u8fc7crush\u7b97\u6cd5\u6765\u8ba1\u7b97\u6570\u636e\u4f4d\u7f6e\uff0c\u800c\u4e0d\u5fc5\u4f9d\u8d56\u4e00\u4e2a\u4e2d\u5fc3\u67e5\u627e\u8868\uff0c\u6211\u4eec\u77e5\u9053\u51e1\u662f\u7f51\u7edc\u8bbe\u5907\u90fd\u6709\u5e76\u53d1\u8fde\u63a5\u6570\u636e\u7684\u9650\u5236\uff0c\u96c6\u4e2d\u5f0f\/\u5355\u4f53\u5f0f\u7684\u5b58\u50a8\u7cfb\u7edf\uff0c\u5bf9\u4e8e\u5927\u89c4\u6a21\u90e8\u7f72\u6765\u8bf4\uff0c\u5f88\u5bb9\u6613\u8fbe\u5230\u7269\u7406\u6781\u9650\uff0c\u5728CEPH\u7684\u6570\u636e\u8bbf\u95ee\u673a\u5236\u4e2d\uff0c\u5ba2\u6237\u7aef\u548cosd\u8fdb\u7a0b\u76f4\u63a5\u901a\u4fe1\uff0c\u63d0\u9ad8\u4e86\u6027\u80fd\u548c\u7cfb\u7edf\u603b\u5bb9\u91cf\uff0c\u6d88\u9664\u4e86\u5355\u70b9\u6545\u969c\uff0cCEPH\u5ba2\u6237\u7aef\u4ec5\u5728\u9700\u8981\u65f6\u4e0eosd\u8fdb\u7a0b\u5efa\u7acb\u4e00\u4e2a\u4f1a\u8bdd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">osd\u8fdb\u7a0b\u52a0\u5165\u4e00\u4e2a\u96c6\u7fa4\uff0c\u5e76\u4e14\u62a5\u544a\u4ed6\u4eec\u7684\u72b6\u6001\uff0c\u5206\u4e3aup\u548cdown\u4e24\u79cd\u72b6\u6001\uff0c\u4ee3\u8868\u662f\u5426\u53ef\u4ee5\u54cd\u5e94ceph\u5ba2\u6237\u7aef\u7684\u9700\u6c42\uff0c\u5982\u679cosd\u8fdb\u7a0b\u5931\u8d25\uff0c\u5219\u65e0\u6cd5\u901a\u77e5ceph monitor\u5b83\u5df2\u7ecfdown\u6389\uff0cceph\u901a\u8fc7\u5468\u671f\u6027\u7684ping OSD\u8fdb\u7a0b\uff0c\u786e\u4fdd\u5b83\u6b63\u5728\u8fd0\u884c\uff0cCEPH\u6388\u6743OSD\u8fdb\u7a0b\uff0c\u786e\u5b9a\u6388\u4fe1\u7684OSD\u8fdb\u7a0b\u662f\u5426\u5df2\u5173\u95ed\uff0c\u66f4\u65b0cluster map\uff0c\u5e76\u62a5\u544a\u7ed9CEPH Monitor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">OSD\u8fdb\u7a0b\u4e5f\u901a\u8fc7crush\u7b97\u6cd5\uff0c\u8ba1\u7b97\u5bf9\u8c61\u7684\u526f\u672c\u5e94\u8be5\u5b58\u653e\u7684\u4f4d\u7f6e\uff0c\u5728\u4e00\u4e2a\u5199\u573a\u666f\u4e2d\uff0c\u5ba2\u6237\u7aef\u4f7f\u7528crush\u7b97\u6cd5\u8ba1\u7b97\u5e94\u8be5\u5728\u54ea\u91cc\u5b58\u653e\u5bf9\u8c61\uff0c\u5e76\u5c06\u5bf9\u8c61\u6620\u5c04\u5230\u4e00\u4e2apool\u548cplacement group, \u7136\u540e\u67e5\u8be2crush map\u6765\u5b9a\u4f4dplacement group\u4e2d\u7684\u4e3bOSD\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5ba2\u6237\u7aef\u5c06\u5bf9\u8c61\u5199\u5165\u4e3bosd\u7684placement group\u4e2d\uff0c\u7136\u540e\u4e3bosd\u4f7f\u7528\u5b83\u81ea\u5df1\u7684crush map\u6765\u627e\u5230\u7b2c\u4e8c\u3001\u4e09\u4e2aOSD\uff0c\u5e76\u4e14\u5c06\u5bf9\u8c61\u526f\u672c\u5199\u5165\u7b2c\u4e8c\u3001\u7b2c\u4e09OSD\u7684placement group\u4e2d\uff0c\u4e3bOSD\u5728\u786e\u8ba4\u5bf9\u8c61\u5b58\u50a8\u6210\u529f\u540e\u4f1a\u7ed9\u5ba2\u6237\u7aef\u4e00\u4e2a\u56de\u5e94\u3002OSD\u8fdb\u7a0b\u5b8c\u6210\u6570\u636e\u7684\u590d\u5236\uff0c\u4e0d\u9700\u8981ceph\u5ba2\u6237\u7aef\u53c2\u4e0e\uff0c\u4fdd\u8bc1\u4e86\u6570\u636e\u7684\u9ad8\u53ef\u7528\u6027\u548c\u6570\u636e\u5b89\u5168\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CephFS\u4ece\u6570\u636e\u4e2d\u5206\u79bb\u51fa\u5143\u6570\u636e\u5e76\u4fdd\u5b58\u5728MDS\u4e2d\uff0c\u800c\u6587\u4ef6\u6570\u636e\u4fdd\u5b58\u5728CEPH\u5b58\u50a8\u96c6\u7fa4\u7684objects\u4e2d\uff0cceph-mds\u4f5c\u4e3a\u4e00\u4e2a\u8fdb\u7a0b\u5355\u72ec\u8fd0\u884c\uff0c\u4e5f\u53ef\u4ee5\u5206\u5e03\u5728\u591a\u4e2a\u7269\u7406\u4e3b\u673a\u4e0a\uff0c\u8fbe\u5230\u9ad8\u53ef\u7528\u548c\u6269\u5c55\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528\u65b9\u6848<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e86\u89e3\u4e86\u67b6\u6784\u548c\u539f\u7406\uff0c\u8be5\u600e\u4e48\u4f7f\u7528\u5462\uff1fCeph\u4e3b\u8981\u7528\u4e8e\u5b8c\u5168\u5206\u5e03\u5f0f\u64cd\u4f5c\uff0c\u6ca1\u6709\u5355\u70b9\u6545\u969c\uff0c\u53ef\u6269\u5c55\u5230exabyte\u7ea7\u522b\uff0c\u5b8c\u5168\u514d\u8d39\u4f7f\u7528\u3002 \u5176\u91c7\u7528\u7684\u4f4d\u7f6e\u611f\u77e5\u7b97\u6cd5\u548c\u6570\u636e\u590d\u5236\u673a\u5236\u4f7f\u5176\u5177\u6709\u5bb9\u9519\u80fd\u529b\uff0c\u5e76\u4e14\u4e0d\u9700\u8981\u7279\u5b9a\u7684\u786c\u4ef6\u652f\u6301\uff0c\u4e5f\u6210\u4e3a\u4ed6\u5929\u751f\u9a84\u50b2\u7684\u8d44\u672c\uff0c\u5927\u5927\u964d\u4f4e\u4e86\u4f7f\u7528\u95e8\u69db\uff0c\u5728\u8d2b\u7620\u7684\u7269\u7406\u4ecb\u8d28\u4e0a\u5c31\u53ef\u4ee5\u91ce\u86ee\u751f\u957f\u3002\u4e00\u822c\u6765\u8bf4\uff0cCEPH\u4e3b\u8981\u63d0\u4f9b\u4e09\u79cd\u4f7f\u7528\u573a\u666f\uff0crbd(block device),\u5bf9\u8c61\u5b58\u50a8\u548cCephFS\u6587\u4ef6\u7cfb\u7edf\u65b9\u5f0f\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.talkwithtrend.com\/home\/attachment\/201812\/10\/301729_154442340190542.png\"><img decoding=\"async\" src=\"https:\/\/www.talkwithtrend.com\/home\/attachment\/201812\/10\/301729_154442340190542.png\" alt=\"l4fx9ooj4n\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">CEPH\u5ba2\u6237\u7aef\u4f7f\u7528\u539f\u751f\u534f\u8bae\u4e0eCEPH\u5b58\u50a8\u96c6\u7fa4\u8fdb\u884c\u4ea4\u4e92\uff0cCEPH\u5c06\u8fd9\u4e9b\u529f\u80fd\u6253\u5305\u6210librados\u5e93\uff0c\u56e0\u6b64\u4f60\u53ef\u4ee5\u521b\u5efa\u81ea\u5df1\u7684CEPH\u5ba2\u6237\u7aef\uff0cCEPH\u4f5c\u4e3a\u5206\u5e03\u5f0f\u5b58\u50a8\uff0c\u5bf9\u5916\u63d0\u4f9b\u5404\u7c7b\u578b\u7684\u6807\u51c6\u5b58\u50a8\u670d\u52a1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CEPH block device\u7684\u5feb\u7167\u529f\u80fd\u5bf9\u4e8e\u865a\u62df\u5316\u548c\u4e91\u8ba1\u7b97\u6765\u8bb2\u5f88\u6709\u5438\u5f15\u529b\uff0c\u5728\u865a\u62df\u673a\u573a\u666f\u4e2d\uff0c\u6781\u5177\u5178\u578b\u7684\u662f\u5728Qemu\/KVM\u4f7f\u7528rbd\u7f51\u7edc\u5b58\u50a8\u9a71\u52a8\u90e8\u7f72CEPH block device\uff0c\u5bbf\u4e3b\u673a\u4f7f\u7528librbd\u5411\u5ba2\u6237\u673a\u63d0\u4f9b\u5757\u8bbe\u5907\u670d\u52a1\u3002\u800c\u5728K8S\u7ba1\u7406\u7684\u5bb9\u5668\u5e73\u53f0\u4e2d\uff0cCeph\u4e5f\u53ef\u4ee5\u63d0\u4f9b\u6807\u51c6rbd\u8bbe\u5907\u7684\u52a8\u6001\u4f9b\u7ed9\u548c\u5171\u4eab\u5b58\u50a8\u7a7a\u95f4\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">5. CEPH\u4e0eGPFS\u7684\u6b63\u9762\u4ea4\u950b<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u66f4\u6df1\u5165\u900f\u5f7b\u7684\u4e86\u89e3CEPH\u548cGPFS\u7684\u4f18\u52a3\uff0c\u6211\u4eec\u5c06\u4ece\u4ee5\u4e0b\u8fd9\u4e9b\u65b9\u9762\u9010\u4e00\u5bf9\u6bd4CEPH\u548cGPFS\u7684\u7279\u6027\uff0c\u671f\u671b\u53ef\u4ee5\u63d0\u4f9b\u66f4\u79d1\u5b66\u5ba2\u89c2\u7684\u53c2\u8003\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ba1\u7406\u529f\u80fd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPFS\u2014\u2014GPFS\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u5b8c\u7f8e\u7684\u5546\u4e1a\u5316\u4ea7\u54c1\u529f\u80fd\uff0c\u57fa\u4e8e\u7b56\u7565\u7684\u6570\u636e\u751f\u547d\u5468\u671f\u7ba1\u7406\uff0c\u9ad8\u901f\u626b\u63cf\u5f15\u64ce\uff0c\u5728\u7ebf\u6570\u636e\u8fc1\u79fb\uff0c\u95ea\u5b58\u52a0\u901f\uff0c\u8fd9\u4e9b\u7279\u6027\u90fd\u5927\u5e45\u63d0\u5347\u4e86\u5b83\u7684\u7528\u6237\u4f53\u9a8c\uff0c\u5728\u590d\u6742\u7684IT\u73af\u5883\u4e2d\u6709\u4e86\u66f4\u591a\u65bd\u5c55\u62f3\u811a\u7684\u7a7a\u95f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CEPH\u2014\u2014CEPH\u4ea7\u54c1\u76f8\u5bf9\u5e74\u8f7b\uff0c\u5468\u8fb9\u529f\u80fd\u548c\u751f\u6001\u76ee\u524d\u5c1a\u4e0d\u5b8c\u5584\uff0c\u5ef6\u5c55\u529f\u80fd\u4e0a\u6765\u8bf4\u4e0d\u53caGPFS\u4e30\u5bcc\uff0c\u4f46\u5df2\u7ecf\u5177\u5907\u7ba1\u7406\u7684\u57fa\u672c\u529f\u80fd\uff0c\u5b83\u7684VSM\u529f\u80fd\uff0c\u5373Ceph\u7684web\u7ba1\u7406\u754c\u9762\uff0c\u76ee\u524d\u4e5f\u5df2\u5b8c\u5584\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e73\u53f0\u517c\u5bb9\u6027<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPFS: GPFS\u4e00\u4e2a\u5f88\u5927\u7684\u4eae\u70b9\u662f\u652f\u6301\u8de8\u5e73\u53f0\u90e8\u7f72\u548c\u6587\u4ef6\u5171\u4eab\uff0c\u540c\u4e00\u96c6\u7fa4\u4e2d\u53ef\u4ee5\u5305\u62ecWindows\/ Linux\/AIX\u7b49\u5f02\u6784\u5e73\u53f0\uff0c\u826f\u597d\u7684\u5f02\u6784\u517c\u5bb9\u6027\u5c24\u5176\u5bf9\u4e8e\u4f20\u7edf\u4f01\u4e1a\u590d\u6742\u7684\u5f02\u6784IT\u73af\u5883\u6709\u7740\u5929\u7136\u7684\u4eb2\u8d56\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CEPH: \u76ee\u524dCEPH\u6240\u63d0\u4f9b\u7684rbd\u662f\u57fa\u4e8eLinux\u5185\u6838\u7684\uff0cCEPH\u4ec5\u652f\u6301\u90e8\u7f72\u5728Linux\u5e73\u53f0\u4e0a\uff0crbd\u7684\u5757\u8bbe\u5907\u4e0d\u80fd\u76f4\u63a5\u6620\u5c04\u7ed9\u975elinux\u7684\u5ba2\u6237\u7aef\u4f7f\u7528(\u5982\u679c\u8981\u4f7f\u7528\u53ef\u4ee5\u901a\u8fc7\u5bfc\u51fa\u4e3aiscsi\u8bbe\u5907\u7684\u65b9\u5f0f)\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u670d\u52a1\u65b9\u5f0f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPFS\u2014\u2014\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u5e76\u884c\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf\uff0c\uff0c\u53ef\u652f\u6301\u591a\u79cd\u5b58\u50a8\u8bbe\u5907\uff0c\u5305\u62ecFlash\u3001\u78c1\u76d8\u7b49\u5757\u5b58\u50a8\u3001\u5bf9\u8c61\u5b58\u50a8\u3001\u6587\u4ef6\u5b58\u50a8\u3001\u751a\u81f3\u53ef\u4ee5\u7ba1\u7406\u78c1\u5e26\u3002\u652f\u6301\u591a\u4e91\u90e8\u7f72\u4ee5\u53caPOSIX\u3001NFS\/CIFS\u3001HDFS\/Hadoop \u3001Swift\/S3\u7b49\u591a\u79cd\u63a5\u53e3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CEPH:\u2014\u2014\u53ef\u540c\u65f6\u652f\u6301\u5bf9\u8c61\u5b58\u50a8\uff0c\u5757\u5b58\u50a8\u548c\u6587\u4ef6\u578b\u5b58\u50a8\uff0c\u4e14\u9274\u4e8e\u5f53\u524d\u57fa\u4e8ePOSIX\u7684\u6587\u4ef6\u7cfb\u7edf\u65b9\u6848\u5c1a\u4e0d\u5b8c\u5584\uff0cCephFS\u529f\u80fd\u6b63\u52aa\u529b\u5b8c\u5584\u4e2d\u3002\u652f\u6301Switft\/S3\u7b49\u4e91\u5b58\u50a8\u73af\u5883\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b58\u50a8\u6027\u80fd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPFS\u2014\u2014\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4e16\u754c\u9886\u5148\u7684 HPC \u8d85\u7ea7\u8ba1\u7b97\u73af\u5883\u3002\u5728\u52a0\u901f\u5e76\u884c\u8bbf\u95ee\u65b9\u9762\u7684\u663e\u8457\u4f18\u52bf\u6709\uff1a\u6539\u5584\u4e86\u5c0f\u6587\u4ef6\u7684 IO \u6027\u80fd\uff0c\u652f\u6301\u8d85\u8fc7 4600\u4e2a\u8ba1\u7b97\u8282\u70b9\u7684\u9ad8\u901f\u5e76\u53d1\u8bbf\u95ee\uff0c\u5b9e\u73b016GB\/s \u5355\u8282\u70b9\u987a\u5e8f\u8bfb\u5199\u5e26\u5bbd\uff0c\u4ee5\u53ca\u6bcf\u79d2\u53ef\u521b\u5efa 260\u4e07\u4e2a\u5c0f\u6587\u4ef6\u3002\u4f5c\u4e3a\u4e00\u4e2a\u5e76\u884c\u6587\u4ef6\u7cfb\u7edf\uff0c\u5b83\u5c06\u667a\u80fd\u878d\u5165\u5ba2\u6237\u7aef\uff0c\u5e76\u7531\u5ba2\u6237\u7aef\u5728\u96c6\u7fa4\u4e2d\u7684\u6240\u6709\u5b58\u50a8\u8282\u70b9\u4e4b\u95f4\u5206\u914d\u8d1f\u8f7d\uff0c\u5373\u4f7f\u5bf9\u4e8e\u5355\u4e2a\u6587\u4ef6\u4e5f\u662f\u5982\u6b64\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CEPH\u2014\u2014CEPH\u7684\u7b97CRUSH\u6cd5\u548cPG\u5b58\u653e\u673a\u5236\uff0c\u4f7f\u5b83\u53ef\u4ee5\u5145\u5206\u5229\u7528\u591a\u5757\u78c1\u76d8\u7684IO\u961f\u5217\uff0c\u4f46\u6700\u5f00\u59cb\u57fa\u4e8eHDD\u8bbe\u8ba1\uff0c\u5bf9\u4e8eSSD\u548cNVRAM\u7b49\u4f7f\u7528\u573a\u666f\u6ca1\u6709\u6ca1\u6709\u7279\u522b\u7684\u6027\u80fd\u4f18\u5316\u7b56\u7565\uff0c\u53ef\u80fd\u5bfc\u81f4\u8fd9\u4e9b\u786c\u4ef6\u7684\u7269\u7406\u6027\u80fd\u5728CEPH\u4e2d\u53d1\u6325\u53d7\u9650\uff0c\u5ef6\u8fdf\u548cIOPS\u5728\u9ad8\u901f\u786c\u4ef6\u73af\u5883\u4e0b\u5f97\u4e0d\u5230\u663e\u8457\u63d0\u5347\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6280\u672f\u67b6\u6784<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPFS\u2014\u2014\u5177\u6709\u96c6\u7fa4\u7ba1\u7406\u8005\u7684\u6982\u5ff5\uff0c\u8282\u70b9\u95f4\u91c7\u7528\u4ef2\u88c1\u673a\u5236\uff0c\u5728\u707e\u5907\u73af\u5883\u4e0b\u9700\u8981\u5f15\u5165\u7b2c\u4e09\u65b9\u7ad9\u70b9\uff0c\u53c2\u4e0e\u96c6\u7fa4\u4ef2\u88c1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CEPH\u2014\u2014\u6ca1\u6709\u7edd\u5bf9\u7684\u4e2d\u5fc3\u7ed3\u70b9\uff0c\u53ef\u4ee5\u5b8c\u5168\u6392\u9664\u5355\u70b9\u6545\u969c\uff0c\u65e0\u4e2d\u5fc3\u5316\u7684\u8bbe\u8ba1\u601d\u60f3\uff0c\u4f7f\u96c6\u7fa4\u5177\u6709\u7406\u8bba\u4e0a\u65e0\u9650\u6269\u5f20\u7684\u53ef\u80fd\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u9002\u7528\u573a\u666f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPFS\u2014\u2014\u9002\u7528\u5f53\u4e0b\u6d41\u884c\u7684\u751f\u4ea7\u73af\u5883\uff0c\u5176\u4e2dFPO\u67b6\u6784\u53ef\u901a\u8fc7\u591a\u4e2ablock\u7ec4\u6210Chunk\u7684\u65b9\u5f0f\uff0c\u5f88\u597d\u7684\u9002\u5e94\u5927\u6570\u636e\u73af\u5883\uff0c\u5e76\u4e14\u53ef\u4ee5\u4e0eIBM Symphony\u5206\u6790\u5de5\u4f5c\u914d\u5408\u4f7f\u7528\u3002\u540c\u65f6FPO\u67b6\u6784\u4e5f\u53ef\u7528\u4e8eIAAS\u5e73\u53f0\u7684\u5e95\u5c42\u5b58\u50a8\uff0c\u7528\u4e8e\u5b58\u50a8\u865a\u62df\u673a\u955c\u50cf\uff0c\u7528\u4e8ePAAS\u5bb9\u5668\u4e91\u73af\u5883\uff0c\u7528\u6765\u5bf9\u5bb9\u5668\u63d0\u4f9b\u6570\u636e\u5b58\u50a8\u7684\u63a5\u53e3\u670d\u52a1\u3002\u53e6\u5916\uff0c\u4e5f\u53ef\u4ee5\u642d\u5efa\u96c6\u7fa4\u73af\u5883\u63d0\u4f9bNAS\u7684\u529f\u80fd\u7528\u4e8e\u6587\u4ef6\u548c\u5f71\u50cf\u7684\u5171\u4eab\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CEPH\u2014\u2014\u66f4\u591a\u7528\u6765\u63d0\u4f9b\u5bf9\u8c61\u5b58\u50a8\u548c\u5757\u5b58\u50a8\u7684\u670d\u52a1\uff0c\u4e0d\u9002\u7528\u4e8e\u5927\u6570\u636e\u73af\u5883\uff0c\u540c\u6837\u53ef\u7528\u6765IAAS\u548cPAAS\u67b6\u6784\u7684\u4e91\u73af\u5883\u63d0\u4f9b\u5b58\u50a8\u670d\u52a1\uff0c\u6216\u8005\u4e3a\u5355\u4e00\u67b6\u6784\u7684IT\u73af\u5883\u63d0\u4f9b\u5757\u5b58\u50a8\u670d\u52a1\uff0c\u4f5c\u4e3a\u5206\u5e03\u5f0f\u7684\u4f18\u79c0\u89e3\u51b3\u65b9\u6848\uff0c\u5929\u751f\u6709\u5bf9\u63a5\u4e91\u751f\u6001\u7684\u57fa\u56e0\uff0cCEPH\u4e0d\u4ec5\u5728OpenStack\u65f6\u4ee3\u53ef\u4ee5\u5927\u6709\u4f5c\u4e3a\uff0c\u540c\u6837\u5728\u5bb9\u5668\u4e91\u65f6\u4ee3\u4e5f\u53ef\u4ee5\u5927\u653e\u5f02\u5f69\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6570\u636e\u5206\u5c42\uff1a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPFS\u2014\u2014GPFS\u5177\u6709\u5f88\u597d\u7684\u6570\u636e\u5206\u5c42\u5b9e\u73b0\u673a\u5236\uff0ccache\u673a\u5236\uff0c\u5c06\u65e5\u5fd7\u5377\u90e8\u7f72\u5728SSD\u4e0a\uff0c\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\u53ef\u4ee5\u5e26\u6765\u663e\u8457\u7684\u6027\u80fd\u63d0\u4f9b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CEPH\u2014\u2014Crushmap\u53ef\u4ee5\u7528\u6765\u505a\u5206\u7ea7\u5b58\u50a8\uff0c\u4f8b\u5982\u6839\u636e\u5e95\u5c42\u4e0d\u540c\u786c\u76d8\uff0c\u4f8b\u5982HDD\u6216SSD\u7b49\u6765\u5206\u4e3a\u4e0d\u540c\u7684 pool\uff0cCeph\u7684Cache tier\u6280\u672f\u53ef\u4ee5\u5b9e\u73b0hot data\u548c cold data\u5206\u79bb\uff0c\u628a\u70ed\u6570\u636e\u653e\u5230Cache\u5c42\uff0c\u8fc7\u6bb5\u65f6\u95f4\u540c\u6b65\u5230cold date\u5c42\u7b49\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b89\u5168\u673a\u5236<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPFS\u2014\u2014\u8be5\u73af\u5883\u4e2d\uff0c\u67d0\u4e00\u8282\u70b9\u7684\u786c\u76d8\u8fde\u63a5\u4e22\u5931\uff0c\u4e0d\u4f1a\u5f71\u54cd\u5230\u5176\u4ed6\u7684\u8282\u70b9\uff0cGPFS\u4f7f\u7528RSCT\u7684\u529f\u80fd\u6301\u7eed\u7684\u76d1\u63a7\u4e0d\u540c\u6587\u4ef6\u6a21\u5757\u7684\u5065\u5eb7\u72b6\u6001\uff0c\u5f53\u4efb\u4e00\u9519\u8bef\u88ab\u68c0\u6d4b\u5230\u65f6\uff0c\u76f8\u5e94\u7684\u6062\u590d\u52a8\u4f5c\u5c06\u81ea\u52a8\u6267\u884c\u3002GPFS\u8fd8\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u65e5\u5fd7\u548c\u6062\u590d\u529f\u80fd\uff0c\u53ef\u4ee5\u7ef4\u6301\u5143\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002\u6700\u5927\u4e09\u526f\u672c\uff0c\u53ef\u652f\u6301\u8282\u70b9\u7684\u81ea\u52a8Failover\u3002\u9664\u6b64\u4e4b\u5916\uff0cGPFS\u8fd8\u652f\u6301\u539f\u751f\u6587\u4ef6\u52a0\u5bc6\uff0c\u6570\u636e\u4f20\u8f93\u52a0\u5bc6\u3002\u6388\u6743\u5b89\u5168\u7ba1\u7406\uff0c\u5b89\u5168\u5bf9\u63a5\u4e91\u5b58\u50a8\uff0c\u6587\u4ef6\u5ba1\u8ba1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CEPH\u2014\u2014rados\u91c7\u7528\u5f3a\u4e00\u81f4\u6027\u8bbe\u8ba1\uff0c\u53ef\u5bb9\u5fcd\u7f51\u7edc\u4e2d\u65ad\u3001\u6389\u7535\u3001\u670d\u52a1\u5668\u5b95\u673a\u3001\u786c\u76d8\u6545\u969c\u7b49\uff0c\u5e76\u8fdb\u884c\u81ea\u52a8\u4fee\u590d\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u53ef\u9760\u6027\u548c\u7cfb\u7edf\u53ef\u7528\u6027\u3002\u4e5f\u662f\u540c\u6837\u7684\u4e09\u526f\u672c\u8bbe\u8ba1\uff0c\u652f\u6301\u8282\u70b9\u7684\u81ea\u52a8Failover\u3002Monitors\u662fCeph\u7684\u7ba1\u5bb6\uff0c\u7ef4\u62a4\u7740Ceph\u7684\u5168\u5c40\u72b6\u6001\u3002Monitors\u7684\u529f\u80fd\u548czookeeper\u7c7b\u4f3c\uff0c\u5b83\u4eec\u4f7f\u7528Quorum\u548cPaxos\u7b97\u6cd5\u53bb\u5efa\u7acb\u5168\u5c40\u72b6\u6001\u7684\u5171\u8bc6\u3002\u5176OSDs\u53ef\u4ee5\u8fdb\u884c\u81ea\u52a8\u4fee\u590d\uff0c\u800c\u4e14\u662f\u5e76\u884c\u4fee\u590d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5197\u4f59\u673a\u5236<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPFS\u2014\u2014\u6570\u636e\u5197\u4f59\u53ef\u4ee5\u901a\u8fc7failure group\u673a\u5236\u5b9e\u73b0\uff0c\u4ee5\u6587\u4ef6\u7cfb\u7edf\u4f5c\u4e3a\u590d\u5236\u5355\u5143\uff0c\u6570\u636e\u5728\u7269\u7406\u4e0a\u5b58\u50a8\u4e24\u4efd\u6216\u4e09\u4efd\uff0c\u8282\u70b9\u5197\u4f59\u4e0a\uff0c\u91cd\u8981\u89d2\u8272\u5982\u96c6\u7fa4\u7ba1\u7406\u8005\uff0c\u4f1a\u5206\u914d\u4e3b\u5907\u4e24\u4e2a\u8282\u70b9\uff0c\u5176\u5b83\u89d2\u8272\u4f1a\u5728\u96c6\u7fa4\u8282\u70b9\u95f4\u98d8\u79fb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CEPH\u2014\u2014\u6570\u636e\u5197\u4f59\u4e0a\uff0c\u5e95\u5c42\u6587\u4ef6\u5bf9\u8c61\u9ed8\u8ba4\u5b58\u50a83\u4e2a\u526f\u672c\uff0c\u8282\u70b9\u5197\u4f59\u4e0a\uff0c\u591amointor\u673a\u5236\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u5355\u70b9\u6545\u969c\uff0c\u5728\u6587\u4ef6\u5b58\u50a8\u4e0a\uff0c\u989d\u5916\u7684ceph-mds\u5b9e\u4f8b\u53ef\u4ee5\u5907\u7528\u4ee5\u53d6\u4ee3\u4efb\u4f55\u5931\u6548\u7684ceph-mds,\u7531ceph-mon\u81ea\u52a8\u5b8c\u6210\uff0c\u4e5f\u53ef\u4ee5\u542f\u52a8\u591a\u4e2aceph-mds\u5b9e\u4f8b\uff0c\u5c06\u76ee\u5f55\u6811\u5206\u79bb\u4e3a\u5b50\u76ee\u5f55\u6811\uff0c\u8fd9\u6837\u80fd\u591f\u5728\u591a\u4e2a\u542f\u52a8\u7684\u5b9e\u4f8b\u4e2d\u6709\u6548\u7684\u5e73\u8861\u8d1f\u8f7d\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">6. \u5206\u5e03\u5f0f\u5b58\u50a8\u672a\u6765\u7545\u60f3<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u672a\u6765\u7684IT\u67b6\u6784\u662f\u751f\u6001\u4e4b\u4e89\uff0c\u8d62\u751f\u6001\u8005\u5f97\u5929\u4e0b\uff0c\u5c31\u50cf\u5f00\u653e\u7684\u5b89\u5353\u8d62\u5f97\u4e86\u4f17\u591a\u5f00\u53d1\u8005\u7684\u4eb2\u8d56\uff0c\u7e41\u8363\u7684\u4ea7\u54c1\u751f\u6001\u4e5f\u6210\u5c31\u4e86\u5b89\u5353\u3002\u8fd0\u7ef4\u81ea\u52a8\u5316\u548c\u667a\u80fd\u5316\u8fd0\u7ef4\u5efa\u8bbe\uff0c\u8981\u6c42\u5e95\u5c42IT\u73af\u5883\u5b9e\u73b0\u9ad8\u5ea6\u6574\u5408\uff0c\u81ea\u4e3b\u53ef\u63a7\u66f4\u662f\u5bf9\u5f00\u653e\u6027\u7684\u8981\u6c42\uff0c\u5f00\u653e\u662f\u4e00\u4e2a\u4ea7\u54c1\u7684\u4eb2\u548c\u529b\uff0c\u610f\u5473\u7740\u53ef\u4ee5\u66f4\u7075\u6d3b\u7684\u878d\u5165\u5f53\u524dIT\u73af\u5883\uff0c\u5f53\u524d\u4e91\u8ba1\u7b97\u7684\u5b58\u50a8\u6807\u51c6\u63a5\u53e3\u4ecd\u7136\u6709\u5f00\u653e\u5e2d\u4f4d\uff0c\u9759\u5f85\u65b0\u7684\u6709\u751f\u529b\u91cf\u5165\u9a7b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u7ba1\u662f\u5b58\u50a8\uff0c\u8fd8\u662f\u7f51\u7edc\u7b49\u57fa\u7840\u67b6\u6784\uff0c\u90fd\u5728\u8bd5\u56fe\u5c4f\u853d\u5e95\u5c42\u7269\u7406\u786c\u4ef6\u7684\u5dee\u5f02\uff0c\u5b9e\u73b0\u786c\u4ef6\u7684\u6807\u51c6\u5316\u7ba1\u7406\uff0c\u7528\u8f6f\u4ef6\u5b9a\u4e49\u4e00\u5207\uff0c\u5206\u5e03\u5f0f\u5b58\u50a8\u5c31\u662f\u5728\u8fd9\u6837\u7684\u8d8b\u52bf\u4e0b\uff0c\u8d62\u5f97\u4e86\u84ec\u52c3\u53d1\u5c55\u7684\u5951\u673a\uff0c\u5f00\u653e\u7684\u4ea7\u54c1\u63a5\u53e3\uff0c\u4e30\u5bcc\u7684\u63d2\u4ef6\uff0c\u4e0e\u5f53\u524d\u73af\u5883\u7684\u517c\u5bb9\u8026\u5408\u6027\uff0c\u90fd\u5c06\u6210\u4e3a\u5206\u5e03\u5f0f\u5b58\u50a8\u9886\u57df\u5236\u80dc\u7684\u5173\u952e\uff0c\u672a\u6765\u5206\u5e03\u5f0f\u5b58\u50a8\u5728\u5b89\u5168\u6027\u3001\u4ea7\u54c1\u5316\u5efa\u8bbe\u3001\u517c\u5bb9\u6027\u3001\u53ef\u7ba1\u7406\u6027\u3001\u7a33\u5b9a\u6027\u4e0a\u7684\u4e0d\u61c8\u52aa\u529b\uff0c\u5c06\u662f\u5f15\u9886\u5206\u5e03\u5f0f\u5b58\u50a8\u5360\u9886\u6570\u636e\u4e2d\u5fc3\u5b58\u50a8\u6c5f\u5c71\u7684\u91cd\u8981\u781d\u7801\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f6c\u8f7d\u81ea\uff1ahttps:\/\/www.talkwithtrend.com\/Article\/242897<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u6570\u636e\u4e2d\u5fc3\u4e91\u5b58\u50a8\u8d8b\u52bf \u8fc7\u53bb20\u5e74\uff0c\u4f20\u7edf\u7684\u96c6\u4e2d\u5f0f\u6570\u636e\u5b58\u50a8\u7ecf\u5386\u8fc7\u4e86\u5b83\u6700\u8f89\u714c\u7684\u65f6\u4ee3\uff0c\u4e91\u8ba1\u7b97\u5e26\u6765\u7684\u5e95\u5c42\u5b58\u50a8\u67b6\u6784\u53d8\u9769\uff0c\u5df2\u7ecf\u6162\u6162\u5ba3\u544a\u8fd9\u4e2a\u738b\u8005\u65f6\u4ee3\u7684\u8c22\u5e55\uff0c\u63a5\u68d2\u6570\u636e\u4e2d\u5fc3\u4e0b\u4e00\u4ee3\u5b58\u50a8\u9ed1\u79d1\u6280\u7684\u67b6\u6784\uff0c\u662f\u8fd1\u5e74\u5173\u6ce8\u5ea6\u66f4\u9ad8\u7684\u5173\u952e\u8bcd\uff0c\u5982\u5206\u5e03\u5f0f\u5b58\u50a8\uff0c\u5bf9\u8c61\u5b58\u50a8\uff0c\u8d85\u878d\u5408\u7b49\u6280\u672f\uff0c\u5728\u8fd9\u5176\u4e2d\uff0c\u9664\u4e86\u4f20\u7edf\u4e00\u7ebf\u5382\u5546\u7684\u6218\u7565\u8fed\u4ee3\u4ea7\u54c1\uff0c\u4e5f\u4e0d\u4e4f\u4f18\u79c0\u7684\u6c11\u95f4\u5f00\u6e90\u89e3\u51b3\u65b9\u6848\uff0c\u7ecf\u8fc7\u591a\u5e74\u7684\u6280\u672f\u6c89\u6dc0\uff0c\u800c\u4eca\u4e5f\u7ed3\u675f\u4e86\u91ce\u86ee\u7eb7\u4e89\u7684\u8349\u83bd\u65f6\u4ee3\uff0c\u5404\u5bb6\u4ea7\u54c1\u5212\u5730\u4e3a\u738b\uff0c\u7eb7\u7eb7\u627e\u5230\u4e86\u5b83\u7684\u7528\u6b66\u4e4b\u5730\uff0c\u800c\u5176\u4e2d\u7684\u4f7c\u4f7c\u8005\uff0c\u4e00\u4e2a\u662f\u5546\u4e1a\u8f6f\u4ef6\u754c\u7684\u9738\u4e3bGPFS\uff0c\u53e6\u4e00\u4e2a\u662f\u5f00\u6e90\u8f6f\u4ef6\u754c\u7684\u738b\u8005CEPH\u3002 2. GPFS\u548cCEPH\u7684\u521d\u6b21\u4eae\u76f8 GPFS\u5173\u4e8e\u6211\uff1a \u5404\u4f4d\u597d\uff0c\u6211\u53ebGPFS\uff0c\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5171\u4eab\u5e76\u884c\u6587\u4ef6\u7cfb\u7edf &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[14,3],"class_list":["post-78","post","type-post","status-publish","format-standard","hentry","category-5","tag-14","tag-3"],"_links":{"self":[{"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/posts\/78","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=78"}],"version-history":[{"count":2,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/posts\/78\/revisions"}],"predecessor-version":[{"id":80,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/posts\/78\/revisions\/80"}],"wp:attachment":[{"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=78"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=78"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=78"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}