{"id":1037,"date":"2022-11-24T11:13:06","date_gmt":"2022-11-24T03:13:06","guid":{"rendered":"https:\/\/blog.frost-s.com\/?p=1037"},"modified":"2022-11-24T11:13:07","modified_gmt":"2022-11-24T03:13:07","slug":"%e7%a3%81%e7%9b%98raid-%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/blog.frost-s.com\/index.php\/2022\/11\/24\/%e7%a3%81%e7%9b%98raid-%e7%ac%94%e8%ae%b0\/","title":{"rendered":"\u78c1\u76d8RAID \u7b14\u8bb0"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" id=\"outline_2\">\u4ec0\u4e48\u662fRAID\uff1f<\/h1>\n\n\n\n<p>RAID:\u72ec\u7acb\u78c1\u76d8<a href=\"https:\/\/so.csdn.net\/so\/search?q=%E5%86%97%E4%BD%99&amp;spm=1001.2101.3001.7020\" target=\"_blank\" rel=\"noreferrer noopener\">\u5197\u4f59<\/a>\u9635\u5217(Redundant Array of Independent Disks)\uff0c\u7b80\u79f0\u786c\u76d8\u9635\u5217\u3002RAID\u662f\u4e00\u79cd\u628a\u591a\u5757\u72ec\u7acb\u7684\u786c\u76d8\uff08\u7269\u7406\u786c\u76d8\uff09\u6309\u4e0d\u540c\u7684\u65b9\u5f0f\u7ec4\u5408\u8d77\u6765\uff0c\u5f62\u6210\u4e00\u4e2a\u786c\u76d8\u7ec4\uff08\u903b\u8f91\u786c\u76d8)\u3002\u5c06\u903b\u8f91\u786c\u76d8\u6302\u8f7d\u7ed9\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5728\u7cfb\u7edf\u4e2d\u8bfb\u53d6\u5230\u7684\u662f\u5355\u5757\u786c\u76d8(\u5373\u903b\u8f91\u786c\u76d8)\u800c\u975e\u591a\u5757\u786c\u76d8(\u72ec\u7acb\u7684\u7269\u7406\u78c1\u76d8)\u3002RAID\u6280\u672f\u901a\u8fc7\u589e\u52a0\u786c\u76d8\u7684\u6570\u91cf\u589e\u52a0\u4e86\u5e73\u5747\u6545\u969c\u95f4\u9694\u65f6\u95f4(MTBF)\uff0c\u4ece\u800c\u63d0\u4f9b\u6bd4\u5355\u4e2a\u786c\u76d8\u66f4\u9ad8\u7684\u5b58\u50a8\u6027\u80fd\u548c\u63d0\u4f9b\u6570\u636e\u5907\u4efd\u6280\u672f\u3002<\/p>\n\n\n\n<p>\u5e38\u7528\u7684RAID\u7ea7\u522b:<\/p>\n\n\n\n<p>RAID0\u3001RAID1\u3001RAID 3\u3001RAID5\u3001RAID6\u3001RA J10\u3001RAID50<\/p>\n\n\n\n<p>\u903b\u8f91\u786c\u76d8\u4f18\u70b9<\/p>\n\n\n\n<p>1\u3001\u5bb9\u91cf\u5927<\/p>\n\n\n\n<p>2\u3001\u6027\u80fd\u597d<\/p>\n\n\n\n<p>3\u3001\u53ef\u9760\u6027\u9ad8<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"outline_3\"><a><\/a><a><\/a>RAID\u5b9e\u73b0\u65b9\u5f0f<\/h1>\n\n\n\n<p>RAID\u5b9e\u73b0\u65b9\u5f0f\u5206\u4e3a\u4e24\u79cd\uff0c\u5206\u522b\u662f\u8f6f\u4ef6RAID\u3001\u786c\u4ef6RAID<\/p>\n\n\n\n<p>\u8f6f\u4ef6RAID<\/p>\n\n\n\n<p>\u4f18\u70b9<\/p>\n\n\n\n<p>1\u3001\u6210\u672c\u4f4e\uff0c\u65e0\u9700\u8d2d\u7f6e\u786c\u4ef6;<\/p>\n\n\n\n<p>2\u3001\u5141\u8bb8\u7528\u6237\u91cd\u65b0\u914d\u7f6e\u78c1\u76d8\u9635\u5217\uff0c\u4e0d\u53d7\u786c\u4ef6\u9650\u5236\u3002<\/p>\n\n\n\n<p>\u7f3a\u70b9<\/p>\n\n\n\n<p>1\u3001\u8bfb\u5199\u6027\u80fd\u5dee;<\/p>\n\n\n\n<p>2\u3001\u8f6f\u4ef6RAID\u4f1a\u5360\u7528\u7cfb\u7edf\u8d44\u6e90\u3002<\/p>\n\n\n\n<p>\u786c\u4ef6RAID<\/p>\n\n\n\n<p>\u4f18\u70b9:<\/p>\n\n\n\n<p>1\u3001\u4e0d\u6d88\u8017\u786c\u76d8\u6027\u80fd\u53ca\u5b58\u50a8\u7a7a\u95f4;\u00b7\u76f8\u5bf9\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u72ec\u7acb;<\/p>\n\n\n\n<p>2\u3001\u78c1\u76d8\u6545\u969c\u6613\u66f4\u6362\u3002<\/p>\n\n\n\n<p>\u7f3a\u70b9:<\/p>\n\n\n\n<p>1\u3001\u76f8\u6bd4\u8f83\u8f6f\u4ef6RAID\u6210\u672c\u9ad8;<\/p>\n\n\n\n<p>2\u3001\u786c\u4ef6RAID\u5361\u6545\u969c\uff0c\u5fc5\u987b\u66f4\u6362\u540c\u578b\u53f7\u6216\u4e0e\u6545\u969c\u5361\u76f8\u4e92\u517c\u5bb9\u7684\u578b\u53f7\u3002<\/p>\n\n\n\n<p>RAID\u4fdd\u62a4\u65b9\u5f0f\u6709\u4e24\u79cd\u955c\u50cf\u4e0e\u6821\u9a8c<\/p>\n\n\n\n<p>\u955c\u50cf\u5c31\u662f\u514b\u9686\u51fa\u6765\u4e00\u4e2a\u526f\u672c\uff0c\u6570\u636e\u76f8\u540c<\/p>\n\n\n\n<p>\u6821\u9a8c\u5c31\u662f\u4f7f\u7528\u5947\u5076\u6821\u9a8c\u6cd5\u903b\u8f91\u7b97\u6cd5\u4e3a\u5f02\u6216<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"outline_4\"><a><\/a><a><\/a>RAID0\u539f\u7406<\/h1>\n\n\n\n<p>\u81f3\u5c11\u4f7f\u7528\u4e24\u5757\u7269\u7406\u76d8<\/p>\n\n\n\n<p>\u4f7f\u7528\u7387100%<\/p>\n\n\n\n<p>\u53ef\u9760\u6027\u5f31<\/p>\n\n\n\n<p>R\/W\u6700\u597d<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/img-blog.csdnimg.cn\/1d45ffa0c993454cb501a710f6ef26b2.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/img-blog.csdnimg.cn\/1d45ffa0c993454cb501a710f6ef26b2.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"outline_5\"><a><\/a><a><\/a>RAID 1<\/h1>\n\n\n\n<p>\u81f3\u5c11\u4f7f\u7528\u4e24\u5757\u7269\u7406\u76d8<\/p>\n\n\n\n<p>\u4f7f\u7528\u738750%<\/p>\n\n\n\n<p>\u652f\u6301\u91cd\u6784\u6548\u7387\u8f83\u5feb<\/p>\n\n\n\n<p>\u6570\u636e\u8bfb\u5199\uff0c\u5148\u5199\u5165\u955c\u50cf\u5728\u5199\u5165\u7269\u7406\u76d8<\/p>\n\n\n\n<p>\u7269\u7406\u76d8\u6545\u969c\u6362\u4e0a\u65b0\u7684\u955c\u50cf\u4f1a\u628a\u6570\u636e\u590d\u5236\u7ed9\u7269\u7406\u76d8<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/img-blog.csdnimg.cn\/25d4e1c97dad40f6a01f8943bb4be2ae.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/img-blog.csdnimg.cn\/25d4e1c97dad40f6a01f8943bb4be2ae.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"outline_6\"><a><\/a><a><\/a>RAID 3<\/h1>\n\n\n\n<p>\u5229\u7528\u7387n-1\/n\uff08n\u4e3a\u76d8\u6570\uff09<\/p>\n\n\n\n<p>\u81f3\u5c11\u9700\u89813\u4e2a\u76d8<\/p>\n\n\n\n<p>\u652f\u6301\u91cd\u6784<\/p>\n\n\n\n<p>R\/W\u53d6\u51b3\u76d8\u6570<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/img-blog.csdnimg.cn\/42692e3f226c4295a516d8c971dffbce.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/img-blog.csdnimg.cn\/42692e3f226c4295a516d8c971dffbce.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>RAID 3\u4f7f\u7528\u5947\u5076\u6821\u9a8c\u6765\u4fdd\u8bc1\u6570\u636e\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>RAID 3\u914d\u5907\u4e00\u5757\u4e13\u7528\u7684\u6821\u9a8c\u76d8\uff0c\u5c06\u5947\u5076\u6821\u9a8c\u6570\u636e\u5199\u5165\u6821\u9a8c\u76d8\u3002<\/p>\n\n\n\n<p>RAID 3\u7269\u7406\u76d81\u635f\u574f\u65f6\uff0c\u5c06\u65b0\u78c1\u76d8\u66f4\u6362\u540e\u5c06\u6821\u9a8c\u76d8\u548c\u7269\u7406\u76d82\u7684\u6570\u636e\u8fdb\u884c\u5f02\u6216\u8fd0\u7b97\u540e\u518d\u5c06\u6570\u636e\u6062\u590d\u5230\u65b0\u78c1\u76d8\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"outline_7\"><a><\/a><a><\/a>RAID5<\/h1>\n\n\n\n<p>\u672c\u8d28\u4e0eRAID3\u6ca1\u6709\u533a\u522b\u4e3b\u8981\u5c31\u662f\u628a\u6821\u9a8c\u76d8\u53d6\u6d88\uff0c\u6821\u9a8c\u6570\u636e\u90fd\u5199\u5165\u7269\u7406\u76d8<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/img-blog.csdnimg.cn\/56431896eec047329691a4029d0b99cc.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/img-blog.csdnimg.cn\/56431896eec047329691a4029d0b99cc.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u91cd\u6784\uff1aRAID 5\u7269\u7406\u76d81\u635f\u574f\u65f6\uff0c\u5c06\u78c1\u76d8\u66f4\u6362\u540e\u4f1a\u5c06\u6821\u9a8c\u6570\u636e\u548c\u7269\u7406\u76d8\u6570\u636e\u8fdb\u884c\u5f02\u6216\u8fd0\u7b97\uff0c\u518d\u5c06\u6570\u636e\u6062\u590d\u5230\u65b0\u7269\u7406\u76d8\u3002<\/p>\n\n\n\n<p>\u4e0d\u8fc7RAID 3 \u4e0eRAID 5 \u4e00\u6837\u6700\u591a\u5141\u8bb8\u574f\u4e00\u4e2a\u76d8\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u6709\u4e86RAID6<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"outline_8\"><a><\/a><a><\/a>RAID 6<\/h1>\n\n\n\n<p>RAID 6\u7684\u53ef\u9760\u6027\u9ad8\u4e8eRAID5\u3002<\/p>\n\n\n\n<p>RAID 6\u6709\u4e24\u4e2a\u6821\u9a8c\u6570\u636e\uff0c\u5206\u522b\u4e3aP\u548cQ\u3002\u6821\u9a8c\u6570\u636eP\u548cQ\u662f\u7531\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\u5f97\u6765\u7684<\/p>\n\n\n\n<p>eg:<\/p>\n\n\n\n<p>P1=D0\u2295D1\u2295D2<\/p>\n\n\n\n<p>Q1=(D0<em>\u03b1)\u2295(D1<\/em>\u03b2)\u2295(D2*\u03b3)<\/p>\n\n\n\n<p>\u5176\u4e2d\u03b1\uff0c\u03b2\uff0c\u03b3\u4e3a\u8d4b\u4e88\u7684\u5e38\u91cf\u503c<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/img-blog.csdnimg.cn\/f11c2f6b570143e9840d6f449751a6c5.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/img-blog.csdnimg.cn\/f11c2f6b570143e9840d6f449751a6c5.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u91cd\u6784\u4e0eRAID5\u76f8\u4f3c\uff0c\u591a\u4e86\u4e00\u6b65\u8fd0\u7b97\uff0c\u539f\u7406\u76f8\u540c\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u901a\u8fc7\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u8ba1\u7b97<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"outline_9\"><a><\/a><a><\/a>RAID 10<\/h1>\n\n\n\n<p>RAID 10\u901a\u8fc7\u6570\u636e\u526f\u672c\u7684\u65b9\u5f0f\u4fdd\u8bc1\u6570\u636e\u53ef\u9760\u6027\u3002<br>RAID 10\u662f\u5148\u505aRAID 1\u5728\u505aRAID 0\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/img-blog.csdnimg.cn\/d624c2a6d20242e5855c9a158a83ee42.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/img-blog.csdnimg.cn\/d624c2a6d20242e5855c9a158a83ee42.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"outline_10\"><a><\/a><a><\/a>RAID 50<\/h1>\n\n\n\n<p>RAID 50\u901a\u8fc7\u5947\u5076\u6821\u9a8c\u4fdd\u8bc1\u6570\u636e\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u00b7<\/p>\n\n\n\n<p>RAID\u5148\u505aRAID 5\u5728\u505aRAID 0<\/p>\n\n\n\n<p>\u589e\u52a0\u901f\u5ea6\u4e0e\u53ef\u9760\u6027<\/p>\n\n\n\n<p>\u00b7<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/img-blog.csdnimg.cn\/4f9dd41df6f941ceadd6dd29e746638c.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/img-blog.csdnimg.cn\/4f9dd41df6f941ceadd6dd29e746638c.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"outline_11\"><a><\/a><a><\/a>\u603b\u7ed3\u5982\u4e0b<\/h1>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/img-blog.csdnimg.cn\/29011fcdd6cf41da9adf394cf6e1682f.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/img-blog.csdnimg.cn\/29011fcdd6cf41da9adf394cf6e1682f.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<ul>\n<li>\u6a21\u5757\u5316\u5de5\u5177mdadm1.\u652f\u6301\u7684RAID\u7ea7\u522b\uff1aRAID0\uff0cRAID1\uff0cRAID4\uff0cRAID5\uff0cRAID6\uff0cRAID10; 2.\u53ef\u4ee5\u57fa\u4e8e\u591a\u5757\u786c\u76d8\u3001\u5206\u533a\u4ee5\u53ca\u903b\u8f91\u5377\u6765\u5b9e\u73b0RAID; 3.\u72b6\u6001\u4fe1\u606f\u4fdd\u5b58\u5728\/proc\/mdstat 4.\u5df2\u521b\u5efa\u597d\u7684RAID\u4f4d\u4e8e\/dev\/md#<\/li>\n\n\n\n<li>mdadm\u7684\u8bed\u6cd5\u683c\u5f0f<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>mdadm &#91;mode] &lt;raiddevice> &#91;options] &lt;component-devices>\n            \u6a21\u5f0f\uff1a\n                \u521b\u5efa\uff1a-C\n                \u88c5\u914d: -A\n                \u76d1\u63a7: -F\n                \u7ba1\u7406\uff1a-f, -r, -a\n\n            &lt;raiddevice>: \/dev\/md#\n            &lt;component-devices>: \u4efb\u610f\u5757\u8bbe\u5907\n\n\n            -C: \u521b\u5efa\u6a21\u5f0f\n                -n #: \u4f7f\u7528#\u4e2a\u5757\u8bbe\u5907\u6765\u521b\u5efa\u6b64RAID\uff1b\n                -l #\uff1a\u6307\u660e\u8981\u521b\u5efa\u7684RAID\u7684\u7ea7\u522b\uff1b\n                -a {yes|no}\uff1a\u81ea\u52a8\u521b\u5efa\u76ee\u6807RAID\u8bbe\u5907\u7684\u8bbe\u5907\u6587\u4ef6\uff1b\n                -c CHUNK_SIZE: \u6307\u660e\u5757\u5927\u5c0f\uff1b\n                -x #: \u6307\u660e\u7a7a\u95f2\u76d8\u7684\u4e2a\u6570\uff1b\n\n\n            -D\uff1a\u663e\u793araid\u7684\u8be6\u7ec6\u4fe1\u606f\uff1b\n                mdadm -D \/dev\/md#\n\n            \u7ba1\u7406\u6a21\u5f0f\uff1a\n                -f: \u6807\u8bb0\u6307\u5b9a\u78c1\u76d8\u4e3a\u635f\u574f\uff1b\n                -a: \u6dfb\u52a0\u78c1\u76d8\n                -r: \u79fb\u9664\u78c1\u76d8\n\n            \u89c2\u5bdfmd\u7684\u72b6\u6001\uff1a\n                cat \/proc\/mdstat\n\n            \u505c\u6b62md\u8bbe\u5907\uff1a\n                mdadm -S \/dev\/md#<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<ul>\n<li>\u5b9e\u73b0\u5b9e\u4f8b<\/li>\n<\/ul>\n\n\n\n<p><em>\u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a10G\u7684RAID1\uff0c\u8981\u6c42\u6709\u4e00\u4e2a\u7a7a\u95f2\u76d8\uff0c\u800c\u4e14CHUNK\u5927\u5c0f\u4e3a128k\uff0c\u683c\u5f0f\u5316ext4\u6587\u4ef6\u7cfb\u7edf\uff0c\u8981\u6c42\u53ef\u5f00\u673a\u81ea\u52a8\u6302\u8f7d\u81f3\/backup\u76ee\u5f55\uff0c\u800c\u4e14\u4e0d\u66f4\u65b0\u8bbf\u95ee\u65f6\u95f4\u6233\uff0c\u4e14\u652f\u6301acl\u529f\u80fd<\/em><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>z&#91;root@CentOS6\u00a0~]#\u00a0mdadm\u00a0-C\u00a0\/dev\/md0\u00a0-n\u00a02\u00a0-l\u00a01\u00a0-c\u00a0128\u00a0\/dev\/sd{b,c}\n\n&#91;root@CentOS6\u00a0~]#\u00a0mdadm\u00a0-D\u00a0\/dev\/md0\n\/dev\/md0:\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Version\u00a0:\u00a01.2\n\u00a0\u00a0Creation\u00a0Time\u00a0:\u00a0Fri\u00a0Aug\u00a019\u00a015:40:11\u00a02016\n\u00a0\u00a0\u00a0\u00a0\u00a0Raid\u00a0Level\u00a0:\u00a0raid1\n\u00a0\u00a0\u00a0\u00a0\u00a0<strong>Array<\/strong>\u00a0Size\u00a0:\u00a05238720\u00a0(5.00\u00a0GiB\u00a05.36\u00a0GB)\n\u00a0\u00a0Used\u00a0Dev\u00a0Size\u00a0:\u00a05238720\u00a0(5.00\u00a0GiB\u00a05.36\u00a0GB)\n\u00a0\u00a0\u00a0Raid\u00a0Devices\u00a0:\u00a02\n\u00a0\u00a0Total\u00a0Devices\u00a0:\u00a02\n\u00a0\u00a0\u00a0\u00a0Persistence\u00a0:\u00a0Superblock\u00a0<strong>is<\/strong>\u00a0persistent\n\n\u00a0\u00a0\u00a0\u00a0Update\u00a0Time\u00a0:\u00a0Fri\u00a0Aug\u00a019\u00a015:40:27\u00a02016\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0State\u00a0:\u00a0clean,\u00a0resyncing\u00a0\n\u00a0Active\u00a0Devices\u00a0:\u00a02\nWorking\u00a0Devices\u00a0:\u00a02\n\u00a0Failed\u00a0Devices\u00a0:\u00a00\n\u00a0\u00a0Spare\u00a0Devices\u00a0:\u00a00\n\n\u00a0\u00a0Resync\u00a0Status\u00a0:\u00a064%\u00a0complete\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Name\u00a0:\u00a0CentOS6:0\u00a0\u00a0(local\u00a0to\u00a0host\u00a0CentOS6)\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0UUID\u00a0:\u00a0f92a25b5:a1120042:521176b5:1964c806\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Events\u00a0:\u00a010\n\n\u00a0\u00a0\u00a0\u00a0Number\u00a0\u00a0\u00a0Major\u00a0\u00a0\u00a0Minor\u00a0\u00a0\u00a0RaidDevice\u00a0State\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a08\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a016\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0active\u00a0sync\u00a0\u00a0\u00a0\/dev\/sdb\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a08\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a032\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0active\u00a0sync\u00a0\u00a0\u00a0\/dev\/sdc\n\n&#91;root@CentOS6\u00a0~]#\u00a0mkfs.ext4\u00a0\/dev\/md0\n&#91;root@CentOS6\u00a0~]#\u00a0echo\u00a0\"\/dev\/md1\u00a0\u00a0\u00a0\u00a0\/backup\u00a0\u00a0\u00a0ext4\u00a0\u00a0defaults,acl,nodiratime\u00a0\u00a00\u00a00\"\u00a0\u00a0>>\u00a0\/etc\/fstab<\/code><\/pre>\n\n\n\n<ul>\n<li>\u6ce8\u610f\uff1a\n<ul>\n<li>\u521b\u5efa\u597dRAID\u4e4b\u540e\uff0c\u6700\u597d\u5c06\u76f8\u5173\u4fe1\u606f\u4fdd\u5b58\u5230<code>\/etc\/mdadm<\/code>\u6587\u4ef6\u4e2d\uff0c\u5982\u662f\u5728\u4e0b\u6b21\u542f\u52a8\u7cfb\u7edf\u65f6\u4f1a\u81ea\u52a8\u6302\u8f7d\u542f\u7528RAID#&nbsp;mdadm&nbsp;-D&nbsp;--scan&nbsp;&gt;&nbsp;\/etc\/mdadm.conf<\/li>\n\n\n\n<li>\u521b\u5efa\u597dRAID\u4e4b\u540e\u4f7f\u7528\u65f6\u8981\u4f7f\u7528RAID\u8bbe\u5907\u6765\u6302\u8f7d\uff0c\u4e0d\u8981\u5bf9\u539f\u5757\u8bbe\u5907\u64cd\u4f5c<\/li>\n\n\n\n<li>\u5728\u505c\u6b62RAID\u4e4b\u524d\u8981\u5148\u5378\u8f7d\uff0c\u800c\u540e\u4f7f\u7528<code>mdadm -S<\/code>\u547d\u4ee4<\/li>\n\n\n\n<li>\u82e5\u8981\u91cd\u542fRAID\u4f7f\u7528<code>mdadm -R<\/code>\u547d\u4ee4\uff0c\u4f46\u662f\u7531\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u6216\u8f6f\u4ef6\u7248\u672c\u7684\u95ee\u9898\uff0c\u5173\u95edRAID\u540e\u4f1a\u627e\u4e0d\u5230<code>\/dev\/md#<\/code>\u5757\u8bbe\u5907\uff0c\u6b64\u65f6\u53ea\u8981\u91cd\u542f\u7cfb\u7edf\u4fbf\u53ef\uff0c\u56e0\u4e3a\u5df2\u628a\u76f8\u5173\u4fe1\u606f\u4fdd\u5b58\u81f3<code>\/etc\/mdadm.conf<\/code>\u6587\u4ef6<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662fRAID\uff1f RAID:\u72ec\u7acb\u78c1\u76d8\u5197\u4f59\u9635\u5217(Redundant Array of Independent D [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1038,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53],"tags":[51],"_links":{"self":[{"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/posts\/1037"}],"collection":[{"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/comments?post=1037"}],"version-history":[{"count":1,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/posts\/1037\/revisions"}],"predecessor-version":[{"id":1039,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/posts\/1037\/revisions\/1039"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/media\/1038"}],"wp:attachment":[{"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/media?parent=1037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/categories?post=1037"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/tags?post=1037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}