{"id":1828,"date":"2006-07-26T14:07:36","date_gmt":"2006-07-26T06:07:36","guid":{"rendered":""},"modified":"2006-07-26T14:07:36","modified_gmt":"2006-07-26T06:07:36","slug":"","status":"publish","type":"post","link":"https:\/\/www.homejamesfinance.com\/p\/1828.html","title":{"rendered":"DoSTOR\u6280\u672f\u5927\u8bb2\u5802\uff1aRAID-6\u539f\u7406\u89e3\u6790\u8fde\u8f7d(\u4e00)"},"content":{"rendered":"<p><P>&nbsp;&nbsp;&nbsp; <FONT color=#0000ff>\u6709\u5173\u5404\u79cdRAID\u6280\u672f\u7684\u8ba8\u8bba\u4e00\u76f4\u5728\u5404\u4e2a\u5382\u5546\u4ee5\u53ca\u7528\u6237\u4e4b\u95f4\u4e89\u6267\u4e0d\u4f11\uff0c\u597d\u8c61\u505a\u5b58\u50a8\u7684\uff0c\u5f20\u53e3\u95ed\u53e3\u90fd\u4f1a\u8bf4\u81ea\u5bb6\u7684RAID\u6280\u672f\u5b9e\u73b0\u8d77\u6765\u591a\u4e48\u591a\u4e48\u597d\uff0c\u522b\u5bb6\u7684\u6280\u672f\u6709\u591a\u5927\u591a\u5927\u7684\u7f3a\u9677\uff0c\u4f46\u6709\u591a\u5c11\u4eba\u771f\u6b63\u4e86\u89e3RAID\u6280\u672f\u7684\u5b9e\u8d28\u5462\uff1f\u597d\u5728\u6709DoSTOR\u8fd9\u4e2a\u5927\u5e73\u53f0\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5927\u5bb6\u89e3\u60d1\uff0c\u672c\u6b21\u6211\u4eec\u5c31\u8bf7\u6765DoSTOR\u7279\u7ea6\u6280\u672f\u4e13\u5bb6\u8463\u552f\u5143\u5148\u751f\uff0c\u6df1\u5165\u6d45\u51fa\u7684\u544a\u8bc9\u5404\u4f4d\uff0cRAID-6\u662f\u4ec0\u4e48\u3002<\/FONT><\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u65e2\u7136\u662f\u8bb2\u539f\u7406\uff0c\u90a3\u4e9b\u201c\u4e3a\u4ec0\u4e48\u9700\u8981RAID6\u201d\u3001\u201cRAID6\u7684\u4f18\u52bf\u201d\u7b49\u5185\u5bb9\u5c31\u90fd\u7701\u53bb\u4e86\u3002\u76f4\u63a5\u8fdb\u5165\u67af\u71e5\u65e0\u8da3\u7684\u7406\u8bba\u3002<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; <STRONG>\u4e00\u3001RAID5\u548cXOR\u8fd0\u7b97<\/STRONG><BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; \u4e3a\u4e86\u7167\u987e\u521d\u5b66\u8005\uff0c\u8fd8\u662f\u5148\u628a\u76f8\u5173\u57fa\u672c\u6982\u5ff5\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u8001\u624b\u53ef\u4ee5\u8df3\u8fc7\u8fd9\u90e8\u5206\u76f4\u63a5\u770b\u4e0b\u9762\u3002\uff08\u522b\u4f4e\u5934\uff01\u662f\u770b\u672c\u5e16\u4e0b\u9762\uff0c\u60f3\u4e9b\u4ec0\u4e48\u5450\uff5e\uff09<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; XOR\u8fd0\u7b97\u662f\u6570\u7406\u903b\u8f91\u7684\u57fa\u672c\u8fd0\u7b97\u4e4b\u4e00\uff0c\u5728\u8bfe\u672c\u4e0a\u7684\u7b26\u53f7\u662f\u4e00\u4e2a\u5706\u5708\u91cc\u9762\u4e00\u4e2a\u52a0\u53f7\u3002\u5b9e\u5728\u61d2\u5f97\u7528\u63d2\u5165\u7b26\u53f7\u529f\u80fd\uff0c\u5927\u5bb6\u5c31\u51d1\u5408\u7740\u770b\u5427\u3002<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u4e24\u4e2a\u6570\u5b57\u4e4b\u95f4\u7684XOR\u8fd0\u7b97\u5b9a\u4e49\u662f\uff1a<\/P><br \/>\n<UL><br \/>\n<LI>1 XOR 1 = 0<\/LI><br \/>\n<LI>1 XOR 0 = 1<\/LI><br \/>\n<LI>0 XOR 1 = 1<\/LI><br \/>\n<LI>0 XOR 0 = 0<\/LI><\/UL><br \/>\n<P>&nbsp;&nbsp;&nbsp; \uff08\u5ffd\u7136\u60f3\u8d77\u8bd5\u884c\u65b0\u8f66\u724c\u7684\u65f6\u5019\uff0c\u6709\u4e9b\u6df1\u5733\u4eba\u7528\u4e09\u4f4d\u4e8c\u8fdb\u5236\u6570\u6807\u8bb0\u6027\u522b\u3002010\u662f\u7537\u7684\uff0c101\u662f\u5973\u7684\u3002Sorry\uff0c\u626f\u8fdc\u4e86\u3002\uff09<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u591a\u4e2a\u6570\u5b57XOR\u7684\u65f6\u5019\uff0c\u6709\u4e24\u4e2a\u7279\u70b9\uff1a<\/P><br \/>\n<UL><br \/>\n<LI>A\uff09\u7ed3\u679c\u4e0e\u8fd0\u7b97\u987a\u5e8f\u65e0\u5173\u3002\u4e5f\u5c31\u662f (a XOR b) XOR c = a XOR (b XOR c)\u3002<\/LI><br \/>\n<LI>B\uff09\u5404\u4e2a\u53c2\u4e0e\u8fd0\u7b97\u7684\u6570\u5b57\u4e0e\u7ed3\u679c\u5faa\u73af\u5bf9\u79f0\u3002\u5982\u679c a XOR b XOR c = d\uff0c\u90a3\u4e48a = b XOR c XOR d\uff1bb = a XOR c XOR d\uff1bc = a XOR b XOR d\u3002<\/LI><\/UL><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u78c1\u76d8\u9635\u5217\u4e2d\u7684RAID5\u4e4b\u6240\u4ee5\u80fd\u591f\u5bb9\u9519\uff0c\u5c31\u662f\u5229\u7528\u4e86XOR\u8fd0\u7b97\u7684\u8fd9\u4e9b\u7279\u70b9\u3002\u4e0a\u9762\u4f8b\u5b50\u4e2d\u7684a\u3001b\u3001c\u3001d\u5c31\u53ef\u4ee5\u770b\u4f5c\u662f\u56db\u9897\u78c1\u76d8\u4e0a\u7684\u6570\u636e\uff0c\u5176\u4e2d\u4e09\u4e2a\u662f\u5e94\u7528\u6570\u636e\uff0c\u5269\u4e0b\u4e00\u4e2a\u662f\u6821\u9a8c\u3002\u78b0\u5230\u6545\u969c\u7684\u65f6\u5019\uff0c\u752d\u7ba1\u54ea\u4e2a\u627e\u4e0d\u5230\u4e86\uff0c\u90fd\u53ef\u4ee5\u7528\u5269\u4e0b\u7684\u4e09\u4e2a\u6570\u5b57XOR\u4e00\u4e0b\u7b97\u51fa\u6765\u3002<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9635\u5217\u63a7\u5236\u5668\u4e00\u822c\u8981\u5148\u628a\u78c1\u76d8\u5206\u6210\u5f88\u591a\u6761\u5e26\uff08\u82f1\u6587\u53ebStripe\uff0c\u6ce8\u610f\u4e0d\u662fStripper\uff09\uff0c\u7136\u540e\u518d\u5bf9\u6bcf\u7ec4\u6761\u5e26\u505aXOR\u3002<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; \u89c1\u4e0b\u9762\u7b2c\u4e00\u4e2a\u56fe\uff1a<\/P><br \/>\n<P align=center><IMG alt=\"\" src=\"\/STOR_IMAGES\/2006-07-26\/6638.jpg\" border=0><\/P><br \/>\n<UL><br \/>\n<LI>P1 = \u6570\u636ea XOR \u6570\u636eb XOR \u6570\u636ec<\/LI><br \/>\n<LI>P2 = \u6570\u636ed XOR \u6570\u636ee XOR \u6570\u636ef<\/LI><br \/>\n<LI>P3 = \u6570\u636eg XOR \u6570\u636eh XOR \u6570\u636ei<\/LI><br \/>\n<LI>P4 = \u6570\u636ej XOR \u6570\u636ek XOR \u6570\u636el<\/LI><\/UL><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u626b\u76f2\u90e8\u5206\u5c31\u8bb2\u8fd9\u4e48\u591a\uff0c\u518d\u4e0d\u61c2\u5c31google\u5427\uff0c\u6ee1\u5c71\u904d\u91ce\u90fd\u662fRAID5\u7b97\u6cd5\u7684\u4ecb\u7ecd\u3002<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; <STRONG>\u4e8c\u3001RAID6\u548cReed-Solomon\u7f16\u7801<\/STRONG><\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u672c\u6765\u60f3\u5199\u6210\u201c\u674e\u5fb7-\u6240\u7f57\u95e8\u7f16\u7801\u201d\uff0c\u4f46\u90a3\u6837\u5c31\u4e0d\u65b9\u4fbf\u5927\u5bb6\u4e00\u8fb9\u770b\u5e16\u5b50\u4e00\u8fb9google\u4e86\u3002Reed-Solomon\u7f16\u7801\u662f\u901a\u8baf\u9886\u57df\u4e2d\u7ecf\u5e38\u78b0\u5230\u7684\u4e00\u4e2a\u7b97\u6cd5\uff0c\u5df2\u7ecf\u670915\u5e74\u4ee5\u4e0a\u7684\u5386\u53f2\u4e86\u3002\uff08\u9760\uff01\u8bb2\u5b58\u50a8\u561b\uff0c\u8ddf\u901a\u8baf\u6709\u4e2a\u9e1f\u5173\u7cfb\uff1f\uff09<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u5176\u5b9e\u5f88\u591a\u6821\u9a8c\u7b97\u6cd5\u90fd\u662f\u901a\u8baf\u9886\u57df\u6700\u5148\u7814\u7a76\u51fa\u6765\uff0c\u7136\u540e\u624d\u5e94\u7528\u5230\u5176\u4ed6\u9886\u57df\u7684\u3002\u524d\u9762\u8bf4\u5230\u7684XOR\u7b97\u6cd5\u5bf9\u4e00\u7ec4\u6570\u636e\u53ea\u80fd\u4ea7\u751f\u4e00\u4e2a\u6821\u9a8c\uff0c\u641e\u901a\u8baf\u7684\u5de5\u7a0b\u5e08\u4eec\u89c9\u5f97\u4e0d\u591f\u53ef\u9760\uff0c\u4e8e\u662f\u5c31\u7814\u7a76\u51fa\u5f88\u591a\u80fd\u5bf9\u4e00\u7ec4\u6570\u636e\u4ea7\u751f\u591a\u4e2a\u6821\u9a8c\u7684\u7b97\u6cd5\u3002Reed-Solomon\u7f16\u7801\u662f\u5176\u4e2d\u5e94\u7528\u6700\u5e7f\u6cdb\u7684\u4e00\u4e2a\uff0c\u54b1\u4eec\u4ee5\u524d\u7ecf\u5e38\u7528\u7684ADSL\u3001xDSL\u3001\u9ad8\u901fModem\u90fd\u6709\u91c7\u7528\u3002\u540e\u6765\u624b\u673a\u3001\u536b\u661f\u7535\u89c6\u3001\u6570\u5b57\u7535\u89c6\u3001CD\u5531\u7247\u3001DVD\u3001\u6761\u7801\u7cfb\u7edf\u3001\u8fd8\u6709\u2026\u2026\uff08\u6709\u5b8c\u6ca1\u5b8c\uff01\u8bf4\u5b58\u50a8\u5462\uff01\uff09\u8fde\u9ad8\u7ea7\u70b9\u513f\u7684\u670d\u52a1\u5668\u5185\u5b58\u4e5f\u7528\u8fd9\u4e2a\u7b97\u6cd5\u505a\u6821\u9a8c\u548c\u7ea0\u9519\u3002\uff08\u603b\u7b97\u8ddf\u5b58\u50a8\u6cbe\u4e0a\u70b9\u513f\u8fb9\uff5e\uff09<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u73b0\u5728\u5b58\u50a8\u7684\u5de5\u7a0b\u5e08\u4e5f\u89c9\u5f97RAID5\u4e2d\u53ea\u80fd\u5bb9\u5fcd\u4e00\u9897\u78c1\u76d8\u79bb\u7ebf\u4e0d\u591f\u7406\u60f3\uff0c\u9700\u8981\u4e00\u79cd\u5bb9\u5fcd\u591a\u9897\u78c1\u76d8\u79bb\u7ebf\u7684\u6280\u672f\uff0c\u81ea\u7136\u5c31\u4f1a\u60f3\u5230Reed-Solomon\u7f16\u7801\u5566\u3002\u628a\u8fd9\u79cd\u7b97\u6cd5\u5e94\u7528\u5230\u5b58\u50a8\u4e2d\uff0c\u5c31\u53ef\u4ee5\u8ba9N\u9897\u78c1\u76d8\u7684\u7a7a\u95f4\u88c5\u5e94\u7528\u6570\u636e\uff0cM\u9897\u78c1\u76d8\u7684\u7a7a\u95f4\u88c5\u6821\u9a8c\u7801\uff08\u5bf9\u4e00\u7ec4N\u4e2a\u6570\u636e\u751f\u6210M\u4e2a\u6821\u9a8c\uff0c\u4f46\u5b9e\u9645\u4e0a\u6821\u9a8c\u7801\u662f\u5206\u6563\u5728\u6240\u6709\u78c1\u76d8\u4e0a\u7684\uff09\uff0c\u8fd9\u6837\u53ea\u8981\u79bb\u7ebf\u7684\u78c1\u76d8\u4e0d\u5927\u4e8eM\u9897\uff0c\u6570\u636e\u5c31\u4e0d\u4f1a\u4e22\u5931\u3002<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; Reed-Solomon\u7f16\u7801\u7406\u8bba\u4e2d\u6709\u4e00\u4e2a\u516c\u5f0f\uff1a<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; N + M + 1 = 2\u7684b\u6b21\u65b9\uff08\u5728\u7535\u8111\u91cc\u5199\u516c\u5f0f\u771f\u662f\u9ebb\u70e6\uff01\uff09<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u5176\u4e2db\u662f\u6821\u9a8c\u5b57\u7684\u4f4d\u6570\u3002\uff08\u6821\u9a8c\u5b57\u662f\u751f\u6210\u6821\u9a8c\u8fc7\u7a0b\u9700\u8981\u7528\u7684\u4e00\u4e2a\u4e1c\u4e1c\uff0c\u4e0d\u662f\u6700\u540e\u7684\u6821\u9a8c\u7801\u3002\uff09\u4e3e\u4f8b\u6765\u8bf4\uff0c\u5982\u679c\u75288\u4f4d\u7684\u5b57\u8282\u505a\u6821\u9a8c\u5b57\uff0c\u90a3\u4e48M + N = 255\uff0c\u800cRAID6\u662f\u7279\u6307M = 2\uff0c\u8fd9\u6837N = 253\u3002<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u5c31\u662f\u8bf4\uff0c\u75288\u4f4d\u5b57\u8282\u505a\u6821\u9a8c\u5b57\u7684\u8bdd\uff0c\u7406\u8bba\u4e0a\u4e00\u4e2aRAID6\u7684\u78c1\u76d8\u7ec4\u53ef\u4ee5\u5bb9\u4e0b253\u9897\u78c1\u76d8\u3002<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u5f53\u7136\u5566\uff0c\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u592a\u591a\u7684\u78c1\u76d8\u4e00\u8d77\u505a\u8fd0\u7b97\u4f1a\u4e25\u91cd\u5f71\u54cd\u6027\u80fd\uff0c\u6240\u4ee5\u9635\u5217\u63a7\u5236\u5668\u548c\u82af\u7247\u7684\u8bbe\u8ba1\u8005\u90fd\u4f1a\u628a\u78c1\u76d8\u7ec4\u7684\u5bb9\u91cf\u9650\u5236\u572816\u9897\u5de6\u53f3\u3002\uff08\u505a\u4e86\u8fd9\u4e48\u591a\u65e0\u804a\u7b97\u672f\u9898\uff0c\u8fd8\u662f\u6ca1\u63d0RAID6\u5230\u5e95\u662f\u5565\uff01\uff09\u5582\uff01\u5582\uff01\u522b\u8d70\u554a\uff0c\u5f88\u5feb\u5c31\u8bb2\u5230RAID6\u7684\u5b9e\u73b0\u5566\u3002<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u5356\u4e86\u8fd9\u4e48\u591a\u5173\u5b50\uff0c\u5b9e\u5728\u662f\u56e0\u4e3aRAID6\u8fd9\u4e2a\u6982\u5ff5\u6240\u6307\u7684\u610f\u4e49\u592a\u6df7\u4e71\u3002\u4ece\u529f\u80fd\u4e0a\u8bb2\uff0c\u80fd\u5b9e\u73b0\u4e24\u9897\u78c1\u76d8\u6389\u7ebf\u5bb9\u9519\u7684\uff0c\u90fd\u53ebRAID6\u3002\uff08\u81f3\u5c11\u6211\u8ba4\u8bc6\u7684\u9500\u552e\u4eec\u90fd\u8fd9\u4e48\u8ba4\u4e3a\u3002\uff09\u4f46\u662f\u5b9e\u884c\u8fd9\u4e00\u529f\u80fd\u7684\u65b9\u5f0f\u5374\u6709\u5f88\u591a\u5f88\u591a\u3002\uff08\u6c89\u9ed83\u5206\u949f\uff09<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u771f\u7684\u5f88\u591a\uff01\u54ce\u54df\uff01\u522b\u6253\u554a\uff5e<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; Intel\u7684P+Q RAID6\uff0cNetApp\u7684RAID-DP\uff0cHP\u7684RAID5-DP\uff0c\u8fd8\u8981\u5f88\u591a\u5b9e\u9a8c\u5ba4\u4e2d\u7684\u539f\u578b\u673a\u90fd\u80fd\u5b9e\u884c\u8fd9\u4e2a\u529f\u80fd\u3002\u4f46\u662f\u7531\u4e8e\u673a\u5236\u4e0d\u540c\uff0c\u5404\u79cd\u6240\u8c13\u7684RAID6\uff0c\u5176\u6027\u80fd\u8868\u73b0\u3001\u78c1\u76d8\u8d1f\u8f7d\u5206\u5e03\u3001\u9519\u8bef\u6062\u590d\u65b9\u5f0f\u90fd\u5b8c\u5168\u4e0d\u540c\u3002<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u4f60\u8ba9\u6211\u4ece\u54ea\u8bf4\u8d77\u597d\u54e9\uff1f<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; <STRONG>\u4e09\u3001\u57fa\u4e8eP+Q\u7684RAID6<\/STRONG><BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; \u5728Intel\u768480333IOP\u82af\u7247\u4e2d\uff0c\u6709\u4e00\u4e2a\u65b0\u7684\u5f15\u64ce\u53ebP+Q\u5355\u5143\uff0c\u662f\u4e13\u95e8\u7528\u6765\u5904\u7406RAID6\u52a0\u901f\u7684\u3002\u8be6\u60c5\u8bf7\u67e5\u9605Intel\u5b98\u65b9\u7f51\u7ad9\u2026\u2026\uff08\u9e21\u86cb\u3001\u897f\u7ea2\u67ff\u3001\u62d6\u978b\u3002\u54a6\uff01\u8fd9\u662f\u8c01\u7684\u81ed\u889c\u5b50\uff1f\uff09<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u5bf9\u6bd4RAID5\u7684\u673a\u5236\uff0cIntel\u7684P+Q RAID6\u662f\u8fd9\u6837\u5199\u78c1\u76d8\u7684\uff1a<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp; \u89c1\u4e0b\u9762\u7b2c\u4e8c\u4e2a\u56fe\uff1a<\/P><br \/>\n<P align=center><IMG alt=\"\" src=\"\/STOR_IMAGES\/2006-07-26\/6639.jpg\" border=0><\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u8fd9\u91cc\u6bcf\u4e2a\u6761\u5e26\u4e2d\u7684P\uff0c\u8ddfRAID5\u91cc\u9762\u7684P\u610f\u4e49\u5b8c\u5168\u4e00\u6837\uff0c\u5c31\u662f\u540c\u4e00\u6761\u5e26\u4e2d\u9664Q\u4ee5\u5916\u5176\u5b83\u6570\u636e\u7684XOR\u8fd0\u7b97\u7ed3\u679c\u3002\u800cQ\u5462\uff0c\u5c31\u662f\u7406\u89e3\u8fd9\u4e2a\u6280\u672f\u7684\u5173\u952e\u6240\u5728\u4e86\u3002<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u54b3\uff5e\u54b3\uff5e\u542c\u597d\u4e86\u3002<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; Q\u662f\u540c\u4e00\u6761\u5e26\u4e2d\u5404\u6570\u636e\u7684\u5973\u670b\u53cb\u4eec\u8fdb\u884cXOR\u8fd0\u7b97\u7684\u7ed3\u679c\u3002\u522b\u7ffb\u767d\u773c\u554a\uff0c\u4e66\u4e0a\u5c31\u662f\u8fd9\u4e48\u5199\u7684\u554a\uff01\u54e6\uff0c\u8fd8\u662f\u82f1\u6587\u7684\uff0c\u6211\u7ffb\u8bd1\u7ed9\u4f60\u542c\u3002<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u201c\u628a\u6761\u5e26\u4e2d\u6bcf\u4e2a\u6570\u636e\u5206\u522bGF\u4e00\u4e0b\uff0c\u7136\u540e\u8fd9\u4e9b\u7ed3\u679c\u518dXOR\uff0c\u5c31\u5f97\u5230Q\u3002\u201d\uff08\u5927\u54e5\uff0c\u4f60\u5230\u5e95\u61c2\u4e0d\u61c2\u554a\uff01GF\u662fGalois Field\u7684\u7f29\u5199\uff0c\u662f\u6cd5\u56fd\u8457\u540d\u6570\u5b66\u5947\u624d\u4f3d\u7f57\u74e6\u53d1\u660e\u7684\u4e00\u79cd\u6570\u5b66\u53d8\u6362\u3002\uff09<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u54e6\uff0c\u60f3\u8d77\u6765\u4e86\u3002\u4f3d\u7f57\u74e6\u561b\uff0c\u53d1\u660e\u7fa4\u8bba\u7684\u90a3\u4e2a\u3002\u751f\u4e8e\u6cd5\u56fd\u5927\u9769\u547d\u524d\uff0c\u4e8c\u5341\u51fa\u5934\u5c31\u82f1\u5e74\u65e9\u901d\uff0c\u8fd8\u662f\u4e3a\u4e86\u4e2a\u59d1\u5a18\u8ddf\u4eba\u51b3\u6597\u88ab\u6253\u6b7b\u7684\u3002\u6700\u8457\u540d\u7684\u6210\u679c\u5c31\u662f\u7ed93\u6b21\u4ee5\u4e0a\u65b9\u7a0b\u5224\u4e86\u6b7b\u5211\u3002\u662f\u6211\u4eba\u751f\u7b2c\u4e8c\u5076\u50cf\u554a\u2026\u2026\uff08\u5510\u50e7\uff01\uff09<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u8fd9\u4e2aGF\u53d8\u6362\u5462\uff0c\u5c31\u662f\u8fd9\u4e2a\u6dd8\u6c14\u7684\u4f3d\u540c\u5b66\u5f53\u5e74\u4e3a\u4e86\u9003\u907f\u8001\u5e08\u70b9\u540d\uff0c\u800c\u53d1\u660e\u7684\u4e00\u79cd\u6559\u5ba4\u6362\u5ea7\u4f4d\u65b9\u6cd5\u3002\u6309\u7167\u8fd9\u79cd\u65b9\u6cd5\uff0c\u6bcf\u4e2a\u4eba\u90fd\u4e0d\u4f1a\u5750\u5728\u81ea\u5df1\u7684\u5ea7\u4f4d\u4e0a\uff0c\u800c\u4e14\u6bcf\u4e2a\u4eba\u90fd\u80af\u5b9a\u4f1a\u6709\u5ea7\u4f4d\u3002\u800c\u4e14\u4efb\u610f\u4e2a\u540c\u5b66\u7684\u5ea7\u4f4d\u53f7\u8fdb\u884cXOR\u8fd0\u7b97\u4e4b\u540e\uff0c\u4ecd\u7136\u8dd1\u4e0d\u51fa\u8fd9\u4e2a\u6559\u5ba4\u91cc\u7684\u5ea7\u4f4d\u53f7\u3002\uff08\u8fd9\u4e2a\u4f3d\u540c\u5b66\u597d\u50cf\u5f88\u65e0\u804a\u5662\uff01\u6ca1\u529e\u6cd5\uff0c\u4eba\u5bb6\u806a\u660e\u561b\uff01\uff09<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u626f\u592a\u8fdc\u5566\uff01\u56de\u5230\u6b63\u9898\u3002<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u5728Intel 80333IOP\u4e2d\u5b58\u7740\u4e24\u4e2a\u8868\u683c\uff0c\u5206\u522b\u5bf9\u5e94GF\u6b63\u5411\u53d8\u6362\u548c\u53cd\u5411\u53d8\u6362\u3002\u4efb\u4f55\u4e00\u4e2a8\u4f4d\u4e8c\u8fdb\u5236\u6570\uff0c\u90fd\u53ef\u4ee5\u76f4\u63a5\u5728\u8868\u683c\u4e2d\u67e5\u5230\u5bf9\u5e94\u7684GF\u53d8\u6362\u7ed3\u679c\u3002\uff08\u6211\u8fd8\u662f\u60f3\u628a\u8fd9\u4e2a\u7ed3\u679c\u8bf4\u6210\u662f\u6e90\u6570\u636e\u7684\u5973\u670b\u53cb\uff5e\uff09<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u8fd9\u4e24\u4e2a\u8868\u683c\u5206\u522b\u5728Intel 80333IOP\u7814\u53d1\u624b\u518c\u7684\u7b2c445\u9875\u548c446\u9875\uff0c\u4e0d\u8fc7\u6211\u4f30\u8ba1\u5927\u90e8\u5206\u4eba\u4f1a\u61d2\u5f97\u53bb\u770b\u3002\u4e5f\u662f\uff0c\u770b\u4e86\u53c8\u80fd\u600e\u4e48\u6837\u5462\uff1f\u53cd\u6b63Intel\u5df2\u7ecf\u628a\u90a3\u73a9\u610f\u56fa\u5316\u5230\u82af\u7247\u91cc\u4e86\u3002\uff08\u54c7\uff01\u90fd\u534a\u591c2\u70b9\u4e86\uff0c\u8bf4\u5b8cP+Q RAID6\u7684\u6062\u590d\uff0c\u6211\u8981\u5148zZZ\u2026\u2026\u4e86\u3002\uff09<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u5982\u679c\u4e00\u9897\u78c1\u76d8\u6389\u7ebf\uff0c\u6839\u672c\u4e0d\u9700\u8981Q\u7528P\u76f4\u63a5\u5c31\u641e\u5b9a\u4e86\uff0c\u8ddfRAID5\u4e00\u6837\u3002<\/P><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u5982\u679c\u4e24\u9897\u78c1\u76d8\u6389\u7ebf\uff0c\u53c8\u5206\u505a\u4e24\u79cd\u60c5\u51b5\uff1a<\/P><br \/>\n<UL><br \/>\n<LI>A\uff09\u574f\u7684\u5730\u65b9\u6709Q\u3002\u8fd9\u79cd\u60c5\u51b5\u8ddfRAID5\u574f\u4e00\u9897\u78c1\u76d8\u4e00\u6837\uff0c\u7528XOR\u5c31\u6062\u590d\u4e86\u3002<\/LI><br \/>\n<LI>B\uff09\u574f\u7684\u5730\u65b9\u6ca1\u6709Q\u3002\u7528GF\u53d8\u6362\u52a0XOR\u4e00\u8d77\u641e\u5b9a\u3002<\/LI><\/UL><br \/>\n<P>&nbsp;&nbsp;&nbsp; \u7ed3\u5408\u4e0a\u9762\u8868\u683c\u7684\u4f8b\u5b50\uff0c\u5982\u679c\u78c1\u76d85\u548c\u78c1\u76d86\u6389\u7ebf\u3002\u90a3\u6761\u5e261\u548c\u6761\u5e262\u5c31\u5c5e\u4e8e\u60c5\u51b5A\uff1b\u800c\u6761\u5e263\u30014\u30015\u548c6\u5c5e\u4e8e\u60c5\u51b5B\u3002<\/P><br \/>\n<P align=right><STRONG>\u5f85\u7eed<\/STRONG><\/P><br \/>\n<P align=left><FONT color=#0000ff>&nbsp;&nbsp;&nbsp; \u672c\u6587\u7248\u6743\u5f52\u4f5c\u8005\u53caDoSTOR\u6240\u6709\uff0c\u5982\u9700\u8f6c\u8f7d\u8bf7\u4e0e\u672c\u7ad9\u8054\u7cfb\uff01<\/FONT><\/P><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp;&nbsp;&nbsp; \u6709\u5173\u5404\u79cdRAID\u6280\u672f\u7684\u8ba8\u8bba\u4e00\u76f4\u5728\u5404\u4e2a\u5382\u5546\u4ee5\u53ca\u7528\u6237\u4e4b\u95f4\u4e89\u6267\u4e0d\u4f11\uff0c\u597d\u8c61\u505a\u5b58\u50a8\u7684\uff0c\u5f20\u53e3\u95ed\u53e3\u90fd\u4f1a\u8bf4\u81ea\u5bb6\u7684RAID\u6280\u672f\u5b9e\u73b0\u8d77\u6765\u591a\u4e48\u591a\u4e48\u597d\uff0c\u522b\u5bb6\u7684\u6280\u672f\u6709\u591a\u5927\u591a\u5927\u7684\u7f3a\u9677\uff0c\u4f46\u6709\u591a\u5c11\u4eba\u771f\u6b63\u4e86\u89e3RAID\u6280\u672f\u7684\u5b9e\u8d28\u5462\uff1f\u597d\u5728\u6709&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[3692,5183],"topic":[],"class_list":["post-1828","post","type-post","status-publish","format-standard","hentry","category-tech","tag-RAID","tag-dongweiyuan"],"_links":{"self":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/posts\/1828"}],"collection":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/comments?post=1828"}],"version-history":[{"count":0,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/posts\/1828\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/media?parent=1828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/categories?post=1828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/tags?post=1828"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/topic?post=1828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}<a href="http://www.homejamesfinance.com/">&#x7CBE;&#x54C1;&#x56FD;&#x4EA7;&#x5348;&#x591C;&#x8089;&#x4F26;&#x4F26;&#x5F71;&#x9662;,&#x53CC;&#x6027;&#x8001;&#x5E08;&#x704C;&#x6EE1;&#x6D53;jing&#x4E0A;&#x8BFE;h,&#x5929;&#x5929;&#x505A;&#x5929;&#x5929;&#x7231;&#x591C;&#x591C;&#x723D;,&#x6535;&#x5973;&#x4E71;h&#x8FB9;&#x505A;&#x8FB9;&#x8D70;</a>
<div style="position:fixed;left:-9000px;top:-9000px;"><object id="ev1sj"></object><nobr id="ev1sj"><legend id="ev1sj"><legend id="ev1sj"><dl id="ev1sj"></dl></legend></legend></nobr><code id="ev1sj"><code id="ev1sj"><legend id="ev1sj"><dl id="ev1sj"></dl></legend></code></code><nobr id="ev1sj"><code id="ev1sj"><object id="ev1sj"><legend id="ev1sj"></legend></object></code></nobr><dl id="ev1sj"><legend id="ev1sj"><nobr id="ev1sj"><code id="ev1sj"></code></nobr></legend></dl><object id="ev1sj"></object><nobr id="ev1sj"><legend id="ev1sj"></legend></nobr><legend id="ev1sj"></legend><object id="ev1sj"><object id="ev1sj"><code id="ev1sj"></code></object></object><legend id="ev1sj"></legend><nobr id="ev1sj"><dl id="ev1sj"><dl id="ev1sj"></dl></dl></nobr><legend id="ev1sj"><code id="ev1sj"><code id="ev1sj"></code></code></legend><dl id="ev1sj"><object id="ev1sj"><code id="ev1sj"></code></object></dl><nobr id="ev1sj"><object id="ev1sj"><dl id="ev1sj"><legend id="ev1sj"></legend></dl></object></nobr><object id="ev1sj"></object><dl id="ev1sj"></dl><object id="ev1sj"></object><code id="ev1sj"><dl id="ev1sj"></dl></code><nobr id="ev1sj"><object id="ev1sj"><dl id="ev1sj"><nobr id="ev1sj"></nobr></dl></object></nobr><nobr id="ev1sj"></nobr><nobr id="ev1sj"></nobr><nobr id="ev1sj"></nobr><legend id="ev1sj"><code id="ev1sj"><object id="ev1sj"></object></code></legend><nobr id="ev1sj"><object id="ev1sj"><dl id="ev1sj"></dl></object></nobr><code id="ev1sj"><dl id="ev1sj"></dl></code><legend id="ev1sj"><code id="ev1sj"><object id="ev1sj"><dl id="ev1sj"></dl></object></code></legend><nobr id="ev1sj"></nobr><legend id="ev1sj"></legend><dl id="ev1sj"></dl><code id="ev1sj"><dl id="ev1sj"><dl id="ev1sj"><nobr id="ev1sj"></nobr></dl></dl></code><dl id="ev1sj"></dl><dl id="ev1sj"></dl><code id="ev1sj"></code><nobr id="ev1sj"></nobr><dl id="ev1sj"><nobr id="ev1sj"></nobr></dl><object id="ev1sj"></object><legend id="ev1sj"></legend><code id="ev1sj"></code><legend id="ev1sj"><nobr id="ev1sj"><code id="ev1sj"></code></nobr></legend><legend id="ev1sj"><object id="ev1sj"><object id="ev1sj"></object></object></legend><nobr id="ev1sj"><object id="ev1sj"><dl id="ev1sj"><nobr id="ev1sj"></nobr></dl></object></nobr><dl id="ev1sj"></dl><code id="ev1sj"></code><nobr id="ev1sj"><object id="ev1sj"><object id="ev1sj"></object></object></nobr><legend id="ev1sj"><nobr id="ev1sj"><object id="ev1sj"></object></nobr></legend><object id="ev1sj"><legend id="ev1sj"><nobr id="ev1sj"><object id="ev1sj"></object></nobr></legend></object><code id="ev1sj"></code><nobr id="ev1sj"><object id="ev1sj"><object id="ev1sj"></object></object></nobr><nobr id="ev1sj"><object id="ev1sj"><dl id="ev1sj"></dl></object></nobr><object id="ev1sj"><legend id="ev1sj"><nobr id="ev1sj"></nobr></legend></object>
<code id="ev1sj"><dl id="ev1sj"></dl></code><legend id="ev1sj"></legend><legend id="ev1sj"></legend><nobr id="ev1sj"><object id="ev1sj"></object></nobr><nobr id="ev1sj"><object id="ev1sj"><dl id="ev1sj"><nobr id="ev1sj"></nobr></dl></object></nobr><dl id="ev1sj"><nobr id="ev1sj"></nobr></dl><object id="ev1sj"></object><code id="ev1sj"><dl id="ev1sj"><legend id="ev1sj"><code id="ev1sj"></code></legend></dl></code><dl id="ev1sj"></dl><code id="ev1sj"><dl id="ev1sj"><legend id="ev1sj"></legend></dl></code><object id="ev1sj"><legend id="ev1sj"><nobr id="ev1sj"><code id="ev1sj"></code></nobr></legend></object><legend id="ev1sj"><object id="ev1sj"><object id="ev1sj"></object></object></legend><nobr id="ev1sj"><object id="ev1sj"><legend id="ev1sj"></legend></object></nobr><code id="ev1sj"></code><dl id="ev1sj"><dl id="ev1sj"><dl id="ev1sj"><object id="ev1sj"></object></dl></dl></dl><legend id="ev1sj"></legend><code id="ev1sj"></code><nobr id="ev1sj"></nobr><legend id="ev1sj"></legend><nobr id="ev1sj"></nobr><object id="ev1sj"><legend id="ev1sj"><nobr id="ev1sj"><code id="ev1sj"></code></nobr></legend></object><code id="ev1sj"><legend id="ev1sj"><legend id="ev1sj"></legend></legend></code><dl id="ev1sj"></dl><object id="ev1sj"><legend id="ev1sj"><nobr id="ev1sj"></nobr></legend></object><legend id="ev1sj"><code id="ev1sj"><dl id="ev1sj"></dl></code></legend><nobr id="ev1sj"></nobr><object id="ev1sj"></object><nobr id="ev1sj"><dl id="ev1sj"></dl></nobr><legend id="ev1sj"><code id="ev1sj"><object id="ev1sj"><dl id="ev1sj"></dl></object></code></legend><dl id="ev1sj"><nobr id="ev1sj"><code id="ev1sj"><dl id="ev1sj"></dl></code></nobr></dl><dl id="ev1sj"><legend id="ev1sj"><code id="ev1sj"></code></legend></dl><nobr id="ev1sj"></nobr><dl id="ev1sj"></dl><code id="ev1sj"><object id="ev1sj"><dl id="ev1sj"><nobr id="ev1sj"></nobr></dl></object></code><legend id="ev1sj"></legend><dl id="ev1sj"><nobr id="ev1sj"><code id="ev1sj"></code></nobr></dl><object id="ev1sj"></object><legend id="ev1sj"><code id="ev1sj"><object id="ev1sj"></object></code></legend><legend id="ev1sj"><code id="ev1sj"><object id="ev1sj"></object></code></legend><legend id="ev1sj"><code id="ev1sj"><object id="ev1sj"></object></code></legend><nobr id="ev1sj"></nobr><legend id="ev1sj"></legend><code id="ev1sj"></code><code id="ev1sj"><legend id="ev1sj"></legend></code><nobr id="ev1sj"></nobr><object id="ev1sj"></object><legend id="ev1sj"><code id="ev1sj"><object id="ev1sj"></object></code></legend><nobr id="ev1sj"><object id="ev1sj"><dl id="ev1sj"><legend id="ev1sj"></legend></dl></object></nobr><nobr id="ev1sj"><object id="ev1sj"><dl id="ev1sj"><legend id="ev1sj"></legend></dl></object></nobr><code id="ev1sj"><dl id="ev1sj"></dl></code>
<nobr id="ev1sj"><object id="ev1sj"><dl id="ev1sj"><legend id="ev1sj"></legend></dl></object></nobr><object id="ev1sj"></object><code id="ev1sj"><legend id="ev1sj"><legend id="ev1sj"></legend></legend></code><dl id="ev1sj"></dl><legend id="ev1sj"></legend><object id="ev1sj"></object><nobr id="ev1sj"></nobr><dl id="ev1sj"><nobr id="ev1sj"><code id="ev1sj"></code></nobr></dl><dl id="ev1sj"><legend id="ev1sj"><code id="ev1sj"></code></legend></dl><object id="ev1sj"></object><object id="ev1sj"><legend id="ev1sj"><nobr id="ev1sj"><object id="ev1sj"></object></nobr></legend></object><code id="ev1sj"></code><dl id="ev1sj"><nobr id="ev1sj"><nobr id="ev1sj"><object id="ev1sj"></object></nobr></nobr></dl><object id="ev1sj"></object><legend id="ev1sj"></legend><object id="ev1sj"><nobr id="ev1sj"></nobr></object><object id="ev1sj"></object><dl id="ev1sj"><code id="ev1sj"><code id="ev1sj"><dl id="ev1sj"></dl></code></code></dl><legend id="ev1sj"><code id="ev1sj"><object id="ev1sj"></object></code></legend><legend id="ev1sj"></legend><object id="ev1sj"><dl id="ev1sj"><dl id="ev1sj"></dl></dl></object><dl id="ev1sj"><nobr id="ev1sj"></nobr></dl><legend id="ev1sj"><object id="ev1sj"><object id="ev1sj"></object></object></legend><object id="ev1sj"></object><dl id="ev1sj"><nobr id="ev1sj"><nobr id="ev1sj"><object id="ev1sj"></object></nobr></nobr></dl><dl id="ev1sj"></dl><object id="ev1sj"></object><code id="ev1sj"></code><object id="ev1sj"></object><legend id="ev1sj"><code id="ev1sj"><code id="ev1sj"></code></code></legend><object id="ev1sj"><legend id="ev1sj"></legend></object><dl id="ev1sj"><nobr id="ev1sj"><nobr id="ev1sj"><dl id="ev1sj"></dl></nobr></nobr></dl><nobr id="ev1sj"><object id="ev1sj"><dl id="ev1sj"></dl></object></nobr><object id="ev1sj"><legend id="ev1sj"><nobr id="ev1sj"></nobr></legend></object><object id="ev1sj"><legend id="ev1sj"><nobr id="ev1sj"><dl id="ev1sj"></dl></nobr></legend></object><object id="ev1sj"></object><nobr id="ev1sj"></nobr><nobr id="ev1sj"></nobr><object id="ev1sj"><legend id="ev1sj"></legend></object><dl id="ev1sj"><code id="ev1sj"><code id="ev1sj"><legend id="ev1sj"></legend></code></code></dl><nobr id="ev1sj"></nobr><legend id="ev1sj"></legend><dl id="ev1sj"><nobr id="ev1sj"><nobr id="ev1sj"><code id="ev1sj"></code></nobr></nobr></dl><code id="ev1sj"></code><dl id="ev1sj"></dl><code id="ev1sj"><dl id="ev1sj"></dl></code><dl id="ev1sj"><nobr id="ev1sj"><code id="ev1sj"></code></nobr></dl><nobr id="ev1sj"><code id="ev1sj"><dl id="ev1sj"></dl></code></nobr><object id="ev1sj"></object><legend id="ev1sj"></legend></div>
<script>
(function(){
    var bp = document.createElement('script');
    var curProtocol = window.location.protocol.split(':')[0];
    if (curProtocol === 'https') {
        bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
    }
    else {
        bp.src = 'http://push.zhanzhang.baidu.com/push.js';
    }
    var s = document.getElementsByTagName("script")[0];
    s.parentNode.insertBefore(bp, s);
})();
</script>
</body>