{"id":318,"date":"2015-12-14T11:48:15","date_gmt":"2015-12-14T03:48:15","guid":{"rendered":"http:\/\/www.ji-zhi.net\/?p=318"},"modified":"2015-12-14T11:48:15","modified_gmt":"2015-12-14T03:48:15","slug":"%e6%9c%89%e5%85%b3%e5%ad%98%e5%82%a8%e6%96%b9%e6%a1%88%e9%80%89%e6%8b%a9%e7%9a%84%e4%b8%80%e4%ba%9b%e6%83%b3%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.ji-zhi.net\/?p=318","title":{"rendered":"\u6709\u5173\u5b58\u50a8\u65b9\u6848\u9009\u62e9\u7684\u4e00\u4e9b\u60f3\u6cd5"},"content":{"rendered":"<p>\u6211\u628aDebian\u642dNAS\u7684\u8fc7\u7a0b\u5199\u4e86\u4e2a\u5e16\u5b50\uff0c\u53d1\u8868\u5230\u4e86<a href=\"http:\/\/post.smzdm.com\/p\/100408\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u4ec0\u4e48\u503c\u5f97\u4e70<\/a>\u4e0a\u3002<\/p>\n<p>\u770b\u4e86\u4e0b\u8bc4\u8bba\uff0c\u591a\u6570\u8d28\u7591\u90fd\u96c6\u4e2d\u5728RAID5\u4e0a\u3002<\/p>\n<p>\u4e3b\u8981\u662f\u8fd9\u4e09\u79cd\u610f\u89c1\uff1a<\/p>\n<p>1\u3001\u5e94\u8be5\u7528RAID 1\u3001RAID 10\uff0c\u4ee5\u4fdd\u8bc1\u5b89\u5168\u3002<\/p>\n<p>2\u3001\u5e94\u8be5\u7528ZFS\uff0cZFS\u5f88\u5f3a\u5927\u3002<\/p>\n<p>3\u3001\u5e94\u8be5\u4e0a\u786c\u4ef6RAID\u5361\u3002<\/p>\n<p>\u8f6fRAID5\u7684\u201cwrite hole\u201d\u3001\u201csilent corruption\u201d\u95ee\u9898\u662f\u88ab\u63d0\u53ca\u6700\u591a\u7684\u3002<\/p>\n<p>\u5173\u4e8eRAID5\uff0c\u5176\u5b9e\u5728\u4e0a\u6b21OMV\u51fa\u95ee\u9898\u65f6\uff0c\u6211\u4e5f\u60f3\u8fc7\u8981\u628a\u5b83\u629b\u5f03\u3002\u4f46\u6700\u7ec8\u8fd8\u662f\u9009\u62e9\u4e86\u5b83\u3002\u4e3a\u5565\u5462\uff1f\u56e0\u4e3a\u5b83\u8fd8\u662f\u4e00\u4e2a\u6bd4\u8f83\u201c\u9002\u5408\u6211\u201d\u7684\u914d\u65b9\u3002<\/p>\n<hr \/>\n<p>\u6211\u7684\u6570\u636e\u4e3b\u8981\u5206\u56db\u79cd\uff1a<\/p>\n<p>1\u3001\u6b7b\u90fd\u4e0d\u80fd\u4e22\u7684\u6570\u636e<\/p>\n<p>\u6bd4\u5982\uff1a\u52a0\u5bc6\u7528\u7684\u6587\u4ef6key\uff0c\u4e00\u90e8\u5206\u6587\u6863\u548c\u4e00\u5c0f\u90e8\u5206\u7167\u7247\u89c6\u9891\u3002<\/p>\n<p>2\u3001\u4e22\u4e86\u4f1a\u75db\u4e0d\u6b32\u751f\u7684\u6570\u636e<\/p>\n<p>\u4e3b\u8981\u662f\u5bb6\u4eba\uff0c\u7279\u522b\u662f\u5b9d\u5b9d\u5386\u5e74\u7684\u7167\u7247\u548c\u89c6\u9891<\/p>\n<p>3\u3001\u4e22\u4e86\u4f1a\u5f88\u5fc3\u75db\u7684\u6570\u636e<\/p>\n<p>\u5305\u62ec\u5916\u62cd\u7684\u7167\u7247\u3001\u5386\u5e74\u6302PT\u4e0b\u8f7d\u7684\u7535\u5f71\u548c\u97f3\u4e50\u7b49<\/p>\n<p>4\u3001\u4e22\u4e86\u5c31\u4e22\u4e86\u7684\u6570\u636e<\/p>\n<p>\u8fd9\u5c31\u4e0d\u89e3\u91ca\u4e86\uff0c\u968f\u65f6\u53ef\u4ee5\u518d\u83b7\u53d6\u7684\u6570\u636e\u90fd\u662f\u8fd9\u7c7b<\/p>\n<hr \/>\n<p>\u5404\u7c7b\u6570\u636e\uff0c\u6211\u7684\u5b58\u50a8\u9009\u62e9\u662f\u4e0d\u4e00\u6837\u7684<\/p>\n<p>\u7b2c1\u7c7b\uff0c\u662f\u5c31\u7b97\u623f\u5b50\u70e7\u4e86\u4e5f\u4e0d\u80fd\u4e22\u3002\u8fd9\u79cd\u6570\u636e\uff0c\u6211\u9009\u62e9\u7684\u5907\u4efd\u65b9\u6848\u662f\u672c\u5730Win10\u7684\u6587\u4ef6\u5386\u53f2+\u52a0\u5bc6\u540e\u4e91\u76d8\u5907\u4efd\u3002\u6587\u4ef6\u5386\u53f2\u53ef\u4ee5\u8bb0\u5f55\u4fee\u6539\u7684\u5404\u4e2a\u7248\u672c\uff0c\u800c\u4e91\u76d8\u76f8\u5bf9\u81ea\u5bb6\u786c\u76d8\u6765\u8bf4\u5b89\u5168\u6027\u9ad8\u5f88\u591a\u3002\u800c\u4e14\u8fd9\u7c7b\u6570\u636e\u662f\u53ea\u6709\u6211\u6709\u7684\uff0c\u4e0d\u5b58\u5728HASH\u5339\u914d\u88ab\u7279\u8272\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u7b2c2\u7c7b\uff0c\u6211\u7684\u9009\u62e9\u662f\uff1a\u624b\u673a\u7684\u7167\u7247\u89c6\u9891\u81ea\u52a8\u540c\u6b65\u5230\u4e91\u76d8\uff0c\u540c\u65f6\u540c\u6b65\u5230\u7535\u8111\uff0c\u800c\u76f8\u673a\u62cd\u6444\u7684\uff0c\u56e0\u4e3a\u5c3a\u5bf8\u6bd4\u8f83\u5927\uff0c\u56e0\u6b64\u5728\u4e3b\u7528\u7684\u786c\u76d8\u5b58\u653e\u4e4b\u5916\uff0c\u7528\u53e6\u4e00\u5757\u786c\u76d8\u5907\u4efd\uff0c\u540c\u65f6\u8fd8\u7528KLS Backup\u5907\u4efd\u5230NAS\u3002<\/p>\n<p>\u7b2c3\u7c7b\uff0c\u5916\u62cd\u7167\u7247\u7528KLS Backup\u5907\u4efd\u5230NAS\uff0cPT\u4e0b\u8f7d\u7684\u5185\u5bb9\u76f4\u63a5\u5b58\u5230NAS\u3002<\/p>\n<p>\u7b2c4\u7c7b\uff0c\u76f4\u63a5\u5b58\u4e00\u4efd\u5c31\u884c\uff0c\u6709\u7684\u5b58\u5728\u7535\u8111\uff0c\u6709\u7684\u5b58\u5728NAS\u3002<\/p>\n<hr \/>\n<p>\u90a3\u4e48ZFS\u5462\uff1f<\/p>\n<p>ZFS\u5f53\u7136\u662f\u4e00\u79cd\u5f88\u5f3a\u5927\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u6211\u4eb2\u8eab\u7528\u4e861\u4e2a\u6708\u5de6\u53f3\uff0c\u6700\u7ec8\u8fd8\u662f\u653e\u5f03\u4e86\u3002\u539f\u56e0\uff1a<\/p>\n<p>1\u3001ZFS\u662fOpenSolaris\u3001BSD\u7cfb\u7edf\u624d\u80fd\u7528\u7684\uff0c\u800c\u8fd9\u4e9b\u6211\u90fd\u4e0d\u719f\u6089\uff08Linux\u6709\u652f\u6301\u4f46\u662f\u8fd8\u4e0d\u6210\u719f\uff09\uff0c\u4e0d\u719f\u6089\u5c31\u9700\u8981\u5927\u91cf\u65f6\u95f4\u6765\u6478\u7d22\uff0c\u98ce\u9669\u5c31\u6bd4\u8f83\u5927\u3002\u800c\u4e14\u7531\u4e8e\u8fd9\u4e9b\u7cfb\u7edf\u76f8\u5bf9\u6bd4\u8f83\u5c0f\u4f17\uff0c\u7f51\u4e0a\u7684\u8d44\u6599\u4e0d\u4ec5\u5c11\uff0c\u8fd8\u4e0d\u4e00\u5b9a\u5bf9\u3002<\/p>\n<p>2\u3001ZFS\u6269\u5bb9\u6bd4\u8f83\u9ebb\u70e6\u3002\u6211\u73b0\u5728\u7684\u95ee\u9898\u662fNAS\u91cc\u53ea\u67094\u5757\u786c\u76d8\uff0c\u800cSATA\u53e3\u67096\u4e2a\u30026\u4e2aSATA\u53e3\uff0c\u6bd4\u8f83\u5408\u9002\u7684\u5b89\u6392\u662f3\u4e2a\u4e00\u7ec4\uff0c\u7ec4\u6210\u4e24\u4e2aRAID-Z1\uff0c\u518d\u628a\u5b83\u4fe9\u90fd\u52a0\u8fdbpool\u91cc\uff0c\u663e\u7136\u6211\u505a\u4e0d\u5230\u3002\u800c4\u76d8\u7ec4RAID-Z\u7684\u8bdd\uff0c\u4ee5\u540e\u6269\u5bb9\u5c31\u662f\u4e2a\u9ebb\u70e6\uff0c\u8981\u4e48\u628a4\u4e2a\u76d8\u90fd\u6362\u6389\uff0c\u8981\u4e48\u628a\u6570\u636e\u62f7\u51fa\u6765\u518d\u91cd\u5efaRAID-Z\uff0c4\u76d8\u7684\u6570\u636e\u5c11\u8bf4\u4e5f\u67096-7T\uff0c\u4e0a\u54ea\u5907\u4efd\uff1f<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<p>RAID1\u3001RAID10\u4e3a\u4ec0\u4e48\u4e0d\u9009\uff1f<\/p>\n<p>\u5f88\u7b80\u5355\uff1a\u6ca1\u94b1\u3002RAID1\u3001RAID10\u90fd\u662f\u5bb9\u91cf\u6298\u534a\u7684\uff0c\u5fc3\u75bc\u3002<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<p>RAID5\u5230\u5e95\u80fd\u4e0d\u80fd\u7528\uff1f<\/p>\n<p>\u8fd9\u4e2a\u95ee\u9898\u6211\u662f\u8fd9\u4e48\u770b\u7684\uff1aRAID5\u65e9\u5c31\u51fa\u73b0\u4e86\uff0c\u5386\u7ecf\u591a\u5e74\u5b9e\u8df5\uff0c\u6280\u672f\u4e0a\u5df2\u7ecf\u5f88\u6210\u719f\u3002<\/p>\n<p>silent corruption\u95ee\u9898\u5f53\u7136\u662f\u5b58\u5728\u7684\uff0c\u4f46\u56e0\u4e3a\u6211\u7684NAS\u4e0a\u57fa\u672c\u90fd\u662f\u5907\u4efd\u6863\uff0c\u6216\u8005\u5c5e\u4e8e\u201c\u7b2c4\u7c7b\u6570\u636e\u201d\uff0c\u6240\u4ee5\u4e00\u4e24\u4e2a\u6587\u4ef6\u7684\u635f\u5931\uff0c\u95ee\u9898\u5e76\u4e0d\u5927\u3002<\/p>\n<p>\u81f3\u4e8ewrite hole\uff0c\u5176\u5b9e\u4e5f\u4e0d\u662f\u5927\u95ee\u9898\u3002\u6211\u8fd9\u4e48\u591a\u5e74\u8fd8\u6ca1\u78b0\u5230\u8fc7\u65ad\u7535\u7684\u60c5\u51b5\uff0c\u5373\u4f7f\u65ad\u7535\uff0c\u4e5f\u4e0d\u4e00\u5b9a\u4f1awrite hole\uff0c\u5373\u4f7fwrite hole\u4e86\uff0c\u53c2\u8003\u4e0a\u9762\u8fd9\u6761\uff0c\u95ee\u9898\u4e5f\u4e0d\u5927\u3002<\/p>\n<hr \/>\n<p>\u4e3a\u4ec0\u4e48\u9009RAID5\uff1f<\/p>\n<p>\u56e0\u4e3a\u5b83\u5728\u5b89\u5168\u6027\u3001\u7ecf\u6d4e\u6027\u65b9\u9762\u6bd4\u8f83\u5e73\u8861\uff0c\u6216\u8005\u8bf4\u6bd4\u8f83\u7b26\u5408\u6211\u7684\u671f\u671b\u3002<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<p>\u4e3a\u4ec0\u4e48\u4e0d\u4e0a\u786cRAID\u5361\uff1f<\/p>\n<p>\u8fd8\u662f\u56e0\u4e3a\u6ca1\u94b1\u3002\u786cRAID\u5361\u6211\u7c97\u7c97\u770b\u4e86\u4e00\u4e0b\uff0c\u4fbf\u5b9c\u7684\u8fd8\u4e0d\u5982\u8f6f\u4ef6\uff0c\u597d\u70b9\u7684\u53c8\u5f88\u8d35\u3002\u518d\u8bf4\u786c\u4ef6\u7684\u6bd5\u7adf\u7a0b\u5e8f\u662f\u5199\u6b7b\u7684\uff0c\u51fa\u4e86\u95ee\u9898\u771f\u4e0d\u77e5\u9053\u600e\u4e48\u5f04\u3002\uff08\u5f53\u7136\u8fd9\u4e2a\u6211\u6ca1\u5b9e\u9645\u64cd\u4f5c\u8fc7\uff09<\/p>\n<p>\u6700\u540e\u60f3\u8bf4\uff0cRAID5\u662f\u6211\u7efc\u5408\u8003\u8651\u7684\u7ed3\u679c\uff0c\u4f46\uff1a<\/p>\n<p>\u5982\u679c\u4f60\u6bd4\u8f83\u6ce8\u91cd\u5b89\u5168\uff0c\u90a3\u4e48RAID1 RAID10\u6216\u8005ZFS\u662f\u6bd4\u8f83\u9002\u5408\u4f60\u7684\u3002<\/p>\n<p>\u5982\u679c\u4f60\u80fd\u4e00\u6b21\u6027\u914d\u9f50\u6240\u6709\u786c\u76d8\uff0c\u4e0d\u8003\u8651\u901a\u8fc7\u589e\u52a0\u786c\u76d8\u6765\u6269\u5bb9\u7684\u60c5\u51b5\uff0c\u90a3\u4e48\u8fd8\u662f\u63a8\u8350ZFS\u7684\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u628aDebian\u642dNAS\u7684\u8fc7\u7a0b\u5199\u4e86\u4e2a\u5e16\u5b50\uff0c\u53d1\u8868\u5230\u4e86\u4ec0\u4e48\u503c\u5f97\u4e70\u4e0a\u3002 \u770b\u4e86\u4e0b\u8bc4\u8bba\uff0c\u591a\u6570\u8d28\u7591\u90fd\u96c6\u4e2d\u5728RAID5\u4e0a\u3002 \u4e3b\u8981\u662f\u8fd9\u4e09\u79cd\u610f\u89c1\uff1a 1\u3001\u5e94\u8be5\u7528RAID 1\u3001RAID 10\uff0c\u4ee5\u4fdd\u8bc1\u5b89\u5168\u3002 2\u3001\u5e94\u8be5\u7528ZFS\uff0cZFS\u5f88\u5f3a\u5927\u3002 3\u3001\u5e94\u8be5\u4e0a\u786c\u4ef6RAID\u5361\u3002 \u8f6fRAID5\u7684\u201cwrite hole\u201d\u3001\u201csilent corruption\u201d\u95ee\u9898\u662f\u88ab\u63d0\u53ca\u6700\u591a\u7684\u3002 \u5173\u4e8eRAID5\uff0c\u5176\u5b9e\u5728\u4e0a\u6b21OMV\u51fa\u95ee\u9898\u65f6\uff0c\u6211\u4e5f\u60f3\u8fc7\u8981\u628a\u5b83\u629b\u5f03\u3002\u4f46\u6700\u7ec8\u8fd8\u662f\u9009\u62e9\u4e86\u5b83\u3002\u4e3a\u5565\u5462\uff1f\u56e0\u4e3a\u5b83\u8fd8\u662f\u4e00\u4e2a\u6bd4\u8f83\u201c\u9002\u5408\u6211\u201d\u7684\u914d\u65b9\u3002 \u6211\u7684\u6570\u636e\u4e3b\u8981\u5206\u56db\u79cd\uff1a 1\u3001\u6b7b\u90fd\u4e0d\u80fd\u4e22\u7684\u6570\u636e \u6bd4\u5982\uff1a\u52a0\u5bc6\u7528\u7684\u6587\u4ef6key\uff0c\u4e00\u90e8\u5206\u6587\u6863\u548c\u4e00\u5c0f\u90e8\u5206\u7167\u7247\u89c6\u9891\u3002 2\u3001\u4e22\u4e86\u4f1a\u75db\u4e0d\u6b32\u751f\u7684\u6570\u636e \u4e3b\u8981\u662f\u5bb6\u4eba\uff0c\u7279\u522b\u662f\u5b9d\u5b9d\u5386\u5e74\u7684\u7167\u7247\u548c\u89c6\u9891 3\u3001\u4e22\u4e86\u4f1a\u5f88\u5fc3\u75db\u7684\u6570\u636e 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