{"id":3146,"date":"2012-08-13T16:30:00","date_gmt":"2012-08-13T08:30:00","guid":{"rendered":""},"modified":"2012-08-13T16:30:00","modified_gmt":"2012-08-13T08:30:00","slug":"","status":"publish","type":"post","link":"https:\/\/www.homejamesfinance.com\/p\/3146.html","title":{"rendered":"\u8bc4\u4f30RAID\u7cfb\u7edf\u7684\u53ef\u9760\u6027"},"content":{"rendered":"<p><strong>1 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0\uff1a\u6570\u636e\u5206\u5272<\/strong><\/p>\n<p>RAID-0\u4e3b\u8981\u6d89\u53ca\u6570\u636e\u5206\u5272\uff0c\u5b83\u662f\u8d1f\u8d23\u5728\u591a\u4e2a\u78c1\u76d8\u9a71\u52a8\u5668\u5185\u5bb9\u91cf\u76f8\u7b49\u7684\u5757\u4e4b\u95f4\u4f20\u9012\u6570\u636e\u7684\uff0c\u4e3e\u4f8b\u6765\u8bf4\uff0c\u4e00\u4e2a150KB\u7684\u6587\u4ef6\u53ef\u4ee5\u88ab\u5206\u6210\u6761\u6216\u8005\u5757\u6765\u901a\u8fc710\u4e2a  10KB\u7684\u5757\uff0c\u5bf9\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u6765\u8bf4\uff0c\u7ec4\u6210RAID\u7684\u78c1\u76d8\u6761\u88ab\u663e\u793a\u4e3a\u4e00\u4e2a\u5355\u72ec\u7684\u903b\u8f91\u78c1\u76d8\u3002\u6570\u636e\u6761\u63d0\u4f9b\u4e00\u4e2a\u4f4e\u6210\u672c\u7684\u65b9\u6cd5\u6765\u589e\u52a0\u78c1\u76d8\u8f93\u5165\/\u8f93\u51fa\u7684\u6027\u80fd\uff0c\u4f46\u662f\uff0cRAID-0\u4e0d\u80fd\u63d0\u4f9b\u4efb\u4f55\u6570\u636e\u5197\u4f59;\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679cRAID\u7ec4\u4ef6\u5185\u7684\u4e00\u4e2a\u9a71\u52a8\u5668\u51fa\u73b0\u4e86\u9519\u8bef\uff0c\u6240\u6709\u7684\u6570\u636e\u90fd\u4f1a\u4e22\u5931\u3002<\/p>\n<p>\u8bbe\u60f3\u4e00\u4e2a\u6309RAID-0\u8bbe\u7f6e\u7684\u516d\u4e2a\u786c\u76d8\u9a71\u52a8\u5668\u7ec4\u6210\u7684\u78c1\u76d8\u9635\u5217\uff0c\u6839\u636e\u53ef\u9760\u6027\u9884\u8ba1\u56fe\u8868\uff0c\u8fd9\u4e9b\u786c\u76d8\u9a71\u52a8\u5668\u88ab\u8bbe\u60f3\u4e3a\u6210\u4e00\u4e2a\u7cfb\u5217\uff0c\u8fd9\u4e2a\u7531\u516d\u4e2a\u78c1\u76d8\u7ec4\u6210\u7684RAID-0\u78c1\u76d8\u9635\u5217\u7684\u53ef\u9760\u6027\u503c\u5f88\u7b80\u5355\u5c31\u662f\u6bcf\u4e00\u4e2a\u5355\u72ec\u7684\u786c\u76d8\u9a71\u52a8\u5668\u7684\u53ef\u9760\u6027\u7684\u4e58\u79ef\u3002<\/p>\n<p>\u6216\u8005\u5bf9\u4e8en\u786c\u76d8\u9a71\u52a8\u5668\u3002<\/p>\n<p>\u5bf9\u4e8e\u914d\u670914\u4e2a\u786c\u76d8\u9a71\u52a8\u5668\u5e76\u4f7f\u7528RAID-0\u78c1\u76d8\u914d\u7f6e\u7684\u78c1\u76d8\u9635\u5217\u6765\u8bf4\uff0c\u8be5RAID\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u662f\uff1a<\/p>\n<p>\u8fd9\u4e00\u7ed3\u679c\u8868\u660e\u5728\u4e09\u5e74\u5185\u6ca1\u6709\u4efb\u4f55\u6570\u636e\u635f\u5931\u7684\u53ef\u80fd\u6027\u662f23%.\u76f8\u53cd\u7684\uff0c\u5728\u540c\u6837\u7684\u65f6\u95f4\u5185\u53d1\u751f\u6570\u636e\u635f\u5931\u7684\u53ef\u80fd\u6027\u662f77%\u3002<\/p>\n<p><strong>3 RAID 1\uff1a\u78c1\u76d8\u955c\u8c61\u548c\u53cc\u5411\u5316<\/strong><\/p>\n<p>RAID-1\u4f7f\u7528\u955c\u8c61\u6216\u8005\u8bf4\u662f\u5f71\u50cf;\u6240\u6709\u5728\u7ed9\u5b9a\u78c1\u76d8\u4e0a\u5199\u5165\u7684\u6570\u636e\u90fd\u5c06\u88ab\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u78c1\u76d8\u4e0a\uff0cRAID-1\u9700\u8981\u81f3\u5c11\u4e24\u4e2a\u786c\u76d8\u9a71\u52a8\u5668\u6765\u8fd0\u884c\u548c\u7ec4\u6210\u6210\u5bf9\u7684\u78c1\u76d8;\u6bcf\u4e00\u5bf9\u78c1\u76d8\u90fd\u88ab\u4f5c\u4e3a\u4e00\u4e2aRAID\u7ec4\u4ef6\u8003\u8651\uff0c\u4e3e\u4f8b\u6765\u8bf4\uff0c\u5728\u4e00\u4e2a\u75313\u4e2a\u786c\u76d8\u9a71\u52a8\u5668\u7ec4\u6210\u7684RAID-1\u78c1\u76d8\u9635\u5217\u91cc\uff0c\u786c\u76d81\u548c2\u53ef\u4ee5\u955c\u8c61\u6570\u636e\uff0c\u800c\u786c\u76d83\u88ab\u8bbe\u8ba1\u4e3a\u4e00\u4e2a\u53d1\u751f\u9519\u8bef\u65f6\u4f7f\u7528\u7684\u9a71\u52a8\u5668(\u5982\u679c\u53d1\u751f\u4e86\u5931\u8d25\u4f7f\u7528\u70ed\u63d2\u62d4)\uff0c\u4e00\u4e2a\u75314\u4e2a\u786c\u76d8\u9a71\u52a8\u5668\u7ec4\u6210\u7684RAID-1\u78c1\u76d8\u9635\u5217\u53ef\u4ee5\u7b80\u5316\u4e3a\u4e24\u4e2aRAID-1\u7684RAID\u7ec4\u4ef6\uff0c\u4e00\u4e2a\u75316\u4e2a\u786c\u76d8\u9a71\u52a8\u5668\u7ec4\u6210\u7684RAID-1\u78c1\u76d8\u9635\u5217\u53ef\u4ee5\u88ab\u7b80\u5316\u4e3a\u4e09\u4e2aRAID-1\u7684RAID\u7ec4\u4ef6\uff0c\u4f9d\u6b64\u7c7b\u63a8\u3002<\/p>\n<p>\u955c\u8c61\u53ef\u4ee5\u63d0\u4f9b\u6570\u636e\u5197\u4f59\u548c\u63d0\u9ad8\u8bfb\u53d6\u7684\u6027\u80fd\uff0c\u5728\u4e00\u4e2aRAID-1\u914d\u7f6e\u4e0b\uff0c\u4e00\u5bf9\u786c\u76d8\u9a71\u52a8\u5668\u91cc\u7684\u4e00\u4e2a\u53d1\u751f\u9519\u8bef\u4e0d\u4f1a\u635f\u5931\u4efb\u4f55\u6570\u636e\uff0c\u4f46\u662f\uff0c\u5982\u679c\u540c\u4e00\u5bf9\u7684\u4e24\u4e2a\u9a71\u52a8\u5668\u90fd\u53d1\u751f\u4e86\u9519\u8bef\uff0c\u6570\u636e\u5c06\u4f1a\u4e22\u5931\uff0c\u4e0b\u56fe\u663e\u793a\u4e86\u75316\u4e2a\u786c\u76d8\u9a71\u52a8\u5668\u7ec4\u6210\u7684RAID-1\u78c1\u76d8\u9635\u5217\u7684\u53ef\u9760\u6027\u8ba1\u7b97\u516c\u5f0f\uff0c\u8be5RAID\u78c1\u76d8\u9635\u5217\u7684\u9884\u8ba1\u53ef\u9760\u6027\u7684\u6570\u5b66\u5173\u7cfb\u5f0f\u662f\uff1a<\/p>\n<p>\u8bf7\u6ce8\u610f\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0bRAID\u7ec4\u4ef6\u7684\u6570\u76ee\u662f\u4e09\u7ec4.\u5982\u679c\u6240\u6709\u786c\u76d8\u9a71\u52a8\u5668\u90fd\u662f\u4e00\u6837\u7684\uff0c\u90a3\u4e48\u5b83\u4eec\u7684\u5173\u7cfb\u662f\uff1a<\/p>\n<p>\u5bf9\u4e8e\u4e00\u4e2a\u4f7f\u752814\u5757\u786c\u76d8\u9a71\u52a8\u5668\u5e76\u914d\u7f6e\u4e3aRAID-1\u78c1\u76d8\u9635\u5217(7\u7ec4RAID\u7ec4\u4ef6)\u7684\u670d\u52a1\u5668\uff0c\u8be5\u78c1\u76d8\u9635\u5217\u7684\u53ef\u9760\u6027\u662f\uff1a<\/p>\n<p>\u8fd9\u4e2a\u7ed3\u679c\u663e\u793a\u4e86\u5728\u4e09\u5e74\u5185\u4e0d\u53d1\u751f\u4efb\u4f55\u6570\u636e\u635f\u5931\u7684\u53ef\u80fd\u6027\u662f93%\uff0c\u76f8\u53cd\uff0c\u5728\u540c\u4e00\u65f6\u671f\u5185\u51fa\u73b0\u6570\u636e\u635f\u5931\u7684\u53ef\u80fd\u6027\u662f7%\u3002<\/p>\n<p><strong>4 RAID 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