{"id":18303,"date":"2024-11-01T14:13:27","date_gmt":"2024-11-01T06:13:27","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-sc\/what-are-the-common-raid-types-for-hong-kong-server-hosting\/"},"modified":"2024-11-01T14:33:43","modified_gmt":"2024-11-01T06:33:43","slug":"what-are-the-common-raid-types-for-hong-kong-server-hosting","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/sc\/hong-kong-dedicated-server-sc\/what-are-the-common-raid-types-for-hong-kong-server-hosting\/","title":{"rendered":"\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u5e38\u89c1\u7684RAID\u7c7b\u578b\u6709\u54ea\u4e9b?"},"content":{"rendered":"

[vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n

\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u670d\u52a1\u9886\u57df,\u5b9e\u65bd\u6b63\u786e\u7684RAID(\u72ec\u7acb\u78c1\u76d8\u5197\u4f59\u9635\u5217)\u914d\u7f6e\u5bf9\u4e8e\u83b7\u5f97\u6700\u4f73\u6027\u80fd\u548c\u6570\u636e\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\u3002\u672c\u6280\u672f\u6307\u5357\u63a2\u8ba8\u4e86\u5404\u79cd\u78c1\u76d8\u5b9e\u65bd\u65b9\u6848\u3001\u5b83\u4eec\u7684\u67b6\u6784\u5dee\u5f02\u4ee5\u53ca\u5728\u4f01\u4e1a\u73af\u5883\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u573a\u666f\u3002<\/p>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] <\/p>\n

\u7406\u89e3RAID\u67b6\u6784<\/strong><\/h2>\n

\u72ec\u7acb\u78c1\u76d8\u5197\u4f59\u9635\u5217\u6280\u672f\u5728\u786c\u4ef6\u548c\u8f6f\u4ef6\u5c42\u9762\u8fd0\u4f5c,\u901a\u8fc7\u78c1\u76d8\u6761\u5e26\u5316\u3001\u955c\u50cf\u548c\u5947\u5076\u6821\u9a8c\u8ba1\u7b97\u6765\u5b9e\u73b0\u4e0d\u540c\u7684\u6027\u80fd\u548c\u5197\u4f59\u76ee\u6807\u3002\u57fa\u672c\u6784\u5efa\u6a21\u5757\u5305\u62ec:<\/p>\n

    \n
  • \u6761\u5e26\u5316(\u8de8\u9a71\u52a8\u5668\u5206\u5e03\u6570\u636e)<\/li>\n
  • \u955c\u50cf(\u6570\u636e\u590d\u5236)<\/li>\n
  • \u5947\u5076\u6821\u9a8c(\u9519\u8bef\u68c0\u67e5\u548c\u6062\u590d)<\/li>\n<\/ul>\n

    [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] <\/p>\n

    RAID 0: \u6ce8\u91cd\u6027\u80fd\u7684\u6761\u5e26\u5316<\/strong><\/h2>\n

    RAID 0\u5b9e\u73b0\u5757\u7ea7\u6761\u5e26\u5316,\u4f46\u4e0d\u63d0\u4f9b\u5197\u4f59\u3002\u5bf9\u4e8e\u9700\u8981\u6700\u5927I\/O\u6027\u80fd\u7684\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883,\u8fd9\u79cd\u914d\u7f6e\u63d0\u4f9b\u663e\u8457\u4f18\u52bf:<\/p>\n

    \r\n\u7406\u8bba\u6027\u80fd\u8ba1\u7b97:\r\n\u8bfb\u53d6\u901f\u5ea6 = (\u5355\u4e2a\u9a71\u52a8\u5668\u901f\u5ea6) \u00d7 (\u9a71\u52a8\u5668\u6570\u91cf)\r\n\u5199\u5165\u901f\u5ea6 = (\u5355\u4e2a\u9a71\u52a8\u5668\u901f\u5ea6) \u00d7 (\u9a71\u52a8\u5668\u6570\u91cf)\r\n\u5b58\u50a8\u6548\u7387 = 100%\r\n    <\/code><\/pre>\n
    \u8003\u8651\u4f7f\u7528\u56db\u4e2a500GB SSD\u7ec4\u6210\u7684RAID 0\u8bbe\u7f6e:<\/p>\n
      \n
    • \u603b\u5bb9\u91cf: 2TB<\/li>\n
    • \u987a\u5e8f\u8bfb\u53d6: \u6700\u9ad82,000MB\/s<\/li>\n
    • \u987a\u5e8f\u5199\u5165: \u6700\u9ad81,800MB\/s<\/li>\n<\/ul>\n
         [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] <\/p>\n
      RAID 1: \u5173\u952e\u6570\u636e\u7684\u955c\u50cf\u914d\u7f6e<\/strong><\/h2>\n
      RAID 1\u91c7\u7528\u78c1\u76d8\u955c\u50cf,\u5728\u9a71\u52a8\u5668\u4e4b\u95f4\u521b\u5efa\u6570\u636e\u7684\u7cbe\u786e\u526f\u672c\u3002\u5b9e\u65bd\u8fc7\u7a0b\u5305\u62ec:<\/p>\n
      \r\nRAID 1\u914d\u7f6e\u793a\u4f8b:\r\nmdadm --create \/dev\/md0 --level=1 --raid-devices=2 \/dev\/sda1 \/dev\/sdb1\r\n\r\n# \u76d1\u63a7RAID\u72b6\u6001\r\nwatch cat \/proc\/mdstat\r\n    <\/code><\/pre>\n
      \u5728\u9999\u6e2f\u670d\u52a1\u5668\u73af\u5883\u4e2d\u7684\u4e3b\u8981\u6027\u80fd\u7279\u5f81:<\/p>\n
        \n
      • \u8bfb\u53d6\u6027\u80fd: \u589e\u5f3a(\u591a\u4e2a\u8bfb\u53d6\u8def\u5f84)<\/li>\n
      • \u5199\u5165\u6027\u80fd: \u4e0e\u5355\u4e2a\u9a71\u52a8\u5668\u76f8\u4f3c<\/li>\n
      • \u5197\u4f59: N+N(\u5b8c\u5168\u955c\u50cf)<\/li>\n<\/ul>\n
           [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] <\/p>\n
        RAID 5: \u5177\u6709\u5947\u5076\u6821\u9a8c\u7684\u5e73\u8861\u6027\u80fd<\/strong><\/h2>\n
        RAID 5\u7ed3\u5408\u4e86\u5206\u5e03\u5f0f\u5947\u5076\u6821\u9a8c\u548c\u5757\u7ea7\u6761\u5e26\u5316\u3002\u5947\u5076\u6821\u9a8c\u8ba1\u7b97\u8fc7\u7a0b\u5982\u4e0b:<\/p>\n
        \r\n\u5947\u5076\u6821\u9a8c\u8ba1\u7b97(XOR):\r\n\u6570\u636e\u57571 \u2295 \u6570\u636e\u57572 \u2295 \u6570\u636e\u57573 = \u5947\u5076\u6821\u9a8c\u5757\r\n\r\n\u6062\u590d\u8fc7\u7a0b:\r\n\u4e22\u5931\u5757 = \u5269\u4f59\u5757 \u2295 \u5947\u5076\u6821\u9a8c\u5757\r\n    <\/code><\/pre>\n
        \u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\u4e2d\u5178\u578bRAID 5\u9635\u5217\u7684\u6027\u80fd\u6307\u6807:<\/p>\n
          \n
        • \u8bfb\u53d6IOPS: (N-1) \u00d7 (\u5355\u9a71\u52a8\u5668IOPS)<\/li>\n
        • \u5199\u5165IOPS: (N-1) \u00d7 (\u5355\u9a71\u52a8\u5668IOPS) \/ 4<\/li>\n
        • \u53ef\u7528\u5bb9\u91cf: (N-1) \u00d7 (\u5355\u9a71\u52a8\u5668\u5bb9\u91cf)<\/li>\n<\/ul>\n
            [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]  <\/p>\n
          RAID 10: \u4f01\u4e1a\u7ea7\u6027\u80fd\u548c\u5197\u4f59<\/strong><\/h2>\n
          RAID 10(1+0)\u5728\u5d4c\u5957\u914d\u7f6e\u4e2d\u7ed3\u5408\u4e86\u6761\u5e26\u5316\u548c\u955c\u50cf\u3002\u5bf9\u4e8e\u5904\u7406\u5173\u952e\u4efb\u52a1\u5e94\u7528\u7a0b\u5e8f\u7684\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546,\u8fd9\u79cd\u67b6\u6784\u63d0\u4f9b:<\/p>\n
          \r\nRAID 10\u5b9e\u65bd\u793a\u4f8b:\r\n# \u9996\u5148\u521b\u5efa\u4e24\u4e2aRAID 1\u9635\u5217\r\nmdadm --create \/dev\/md1 --level=1 --raid-devices=2 \/dev\/sda1 \/dev\/sdb1\r\nmdadm --create \/dev\/md2 --level=1 --raid-devices=2 \/dev\/sdc1 \/dev\/sdd1\r\n\r\n# \u7136\u540e\u5c06\u5b83\u4eec\u7ec4\u5408\u6210RAID 0\r\nmdadm --create \/dev\/md0 --level=0 --raid-devices=2 \/dev\/md1 \/dev\/md2\r\n    <\/code><\/pre>\n
            [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]  <\/p>\n
          \u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5\u548c\u5206\u6790<\/strong><\/h2>\n
          \u9999\u6e2f\u6570\u636e\u4e2d\u5fc3\u7684\u5b9e\u9645\u6027\u80fd\u6d4b\u8bd5\u663e\u793a\u4ee5\u4e0b\u6307\u6807:<\/p>\n
          \r\nfio --filename=\/dev\/md0 --direct=1 --rw=randrw \\\r\n    --bs=4k --ioengine=libaio --iodepth=256 \\\r\n    --runtime=120 --numjobs=4 --time_based \\\r\n    --group_reporting --name=benchmark-test\r\n    <\/code><\/pre>\n