{"id":77240,"date":"2026-02-24T08:42:52","date_gmt":"2026-02-24T00:42:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/77240.html"},"modified":"2026-02-24T08:42:52","modified_gmt":"2026-02-24T00:42:52","slug":"%e7%a1%acraid-vs-%e8%bd%afraid%e7%bb%88%e6%9e%81%e5%af%b9%e5%86%b3%ef%bc%9adell%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%9e%e6%b5%8b%e6%80%a7%e8%83%bd%e5%af%b9%e6%af%94%e4%b8%8e%e9%80%89%e5%9e%8b%e6%8c%87","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/77240.html","title":{"rendered":"\u786cRAID vs \u8f6fRAID\u7ec8\u6781\u5bf9\u51b3\uff1aDELL\u670d\u52a1\u5668\u5b9e\u6d4b\u6027\u80fd\u5bf9\u6bd4\u4e0e\u9009\u578b\u6307\u5357"},"content":{"rendered":"<h2>\u786cRAID vs \u8f6fRAID\u7ec8\u6781\u5bf9\u51b3&#xff1a;DELL\u670d\u52a1\u5668\u5b9e\u6d4b\u6027\u80fd\u5bf9\u6bd4\u4e0e\u9009\u578b\u6307\u5357<\/h2>\n<h3>1. \u4f01\u4e1a\u5b58\u50a8\u67b6\u6784\u7684\u5341\u5b57\u8def\u53e3&#xff1a;RAID\u6280\u672f\u672c\u8d28\u89e3\u6790<\/h3>\n<p>\u5f53\u4f01\u4e1aIT\u57fa\u7840\u8bbe\u65bd\u8d1f\u8d23\u4eba\u9762\u5bf9\u5b58\u50a8\u65b9\u6848\u9009\u578b\u65f6&#xff0c;RAID\u6280\u672f\u7684\u9009\u62e9\u5f80\u5f80\u6210\u4e3a\u5173\u952e\u51b3\u7b56\u70b9\u3002\u72ec\u7acb\u78c1\u76d8\u5197\u4f59\u9635\u5217&#xff08;Redundant Array of Independent Disks&#xff09;\u6280\u672f\u53d1\u5c55\u81f3\u4eca\u5df2\u5f62\u6210\u4e24\u5927\u6280\u672f\u8def\u7ebf&#xff1a;\u57fa\u4e8e\u4e13\u7528\u786c\u4ef6\u7684\u786cRAID\u548c\u57fa\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u5b9e\u73b0\u7684\u8f6fRAID\u3002\u8fd9\u4e24\u79cd\u65b9\u6848\u5728DELL PowerEdge R740xd\u8fd9\u7c7b\u4e3b\u6d41\u4f01\u4e1a\u7ea7\u670d\u52a1\u5668\u4e0a\u7684\u8868\u73b0\u5dee\u5f02&#xff0c;\u76f4\u63a5\u5f71\u54cd\u7740\u6570\u636e\u5e93\u3001\u865a\u62df\u5316\u7b49\u6838\u5fc3\u4e1a\u52a1\u7684\u8fd0\u884c\u6548\u7387\u3002<\/p>\n<p>\u6838\u5fc3\u5dee\u5f02\u7ef4\u5ea6\u53ef\u5f52\u7eb3\u4e3a\u4ee5\u4e0b\u4e09\u70b9&#xff1a;<\/p>\n<ul>\n<li>\u8ba1\u7b97\u8f7d\u4f53&#xff1a;\u786cRAID\u4f9d\u8d56\u4e13\u7528\u5904\u7406\u5668&#xff08;\u5982PERC H740P\u5361\u4e0a\u7684PowerPC\u82af\u7247&#xff09;&#xff0c;\u800c\u8f6fRAID\u6d88\u8017\u4e3b\u673aCPU\u8d44\u6e90<\/li>\n<li>\u6570\u636e\u8def\u5f84&#xff1a;\u786cRAID\u5728HBA\u5361\u5c42\u7ea7\u5b8c\u6210\u6570\u636e\u7f16\u89e3\u7801&#xff0c;\u8f6fRAID\u9700\u8981\u6570\u636e\u7ecfPCIe\u603b\u7ebf\u8fdb\u5165\u5185\u5b58\u5904\u7406<\/li>\n<li>\u529f\u80fd\u6269\u5c55\u6027&#xff1a;\u786cRAID\u652f\u6301\u7f13\u5b58\u52a0\u901f\u3001BBU\u6389\u7535\u4fdd\u62a4\u7b49\u786c\u4ef6\u7279\u6027&#xff0c;\u8f6fRAID\u66f4\u6613\u5b9e\u73b0\u8de8\u4e3b\u673a\u8fc1\u79fb<\/li>\n<\/ul>\n<p>\u5728DELL\u670d\u52a1\u5668\u73af\u5883\u4e2d&#xff0c;\u5178\u578b\u7684\u786c\u4ef6RAID\u5361\u5982PERC H740P\u5177\u5907&#xff1a;<\/p>\n<ul>\n<li>2GB FBWC&#xff08;Flash Backed Write Cache&#xff09;\u7f13\u5b58<\/li>\n<li>12Gbps SAS\u63a5\u53e3<\/li>\n<li>\u652f\u6301RAID 0\/1\/5\/6\/10\/50\/60<\/li>\n<li>\u6700\u59278TB\u5355\u5377\u652f\u6301<\/li>\n<\/ul>\n<p>\u800cLinux\u8f6fRAID&#xff08;mdadm&#xff09;\u7684\u4f18\u52bf\u5219\u4f53\u73b0\u5728&#xff1a;<\/p>\n<ul>\n<li>\u96f6\u989d\u5916\u786c\u4ef6\u6210\u672c<\/li>\n<li>\u652f\u6301\u7075\u6d3b\u7684RAID\u91cd\u7ec4\u548c\u7ea7\u522b\u8fc1\u79fb<\/li>\n<li>\u4e0eLVM\u3001\u6587\u4ef6\u7cfb\u7edf\u7684\u6df1\u5ea6\u96c6\u6210<\/li>\n<\/ul>\n<h3>2. \u6027\u80fd\u5b9e\u6d4b&#xff1a;IOPS\u4e0e\u91cd\u5efa\u901f\u5ea6\u7684\u786c\u6838\u5bf9\u6bd4<\/h3>\n<p>\u6211\u4eec\u5728DELL R740xd\u5e73\u53f0&#xff08;\u914d\u7f6e\u53ccIntel Xeon Gold 6248R\u5904\u7406\u5668\u3001256GB\u5185\u5b58&#xff09;\u4e0a\u8bbe\u8ba1\u4e86\u5bf9\u6bd4\u6d4b\u8bd5\u65b9\u6848&#xff1a;<\/p>\n<p>\u6d4b\u8bd5\u73af\u5883\u914d\u7f6e&#xff1a;<\/p>\n<p># \u786cRAID\u7ec4\u7f51\u65b9\u6848<br \/>\nPERC H740P\u63a7\u5236\u5668<br \/>\n8\u5757DELL KPM51VUG1.6T 1.6TB SAS SSD<br \/>\nRAID5\u914d\u7f6e&#xff08;7&#043;1\u70ed\u5907&#xff09;<\/p>\n<p># \u8f6fRAID\u7ec4\u7f51\u65b9\u6848<br \/>\nLSI 9300-8e HBA\u76f4\u901a\u5361<br \/>\n\u540c\u578b\u53f78\u5757SSD\u901a\u8fc7mdadm\u521b\u5efaRAID5<br \/>\n\u5185\u6838\u53c2\u6570&#xff1a;md_mod.use_bio&#061;1 md_mod.start_dirty_degraded&#061;1<\/p>\n<p>\u6027\u80fd\u6d4b\u8bd5\u5de5\u5177&#xff1a;<\/p>\n<p># FIO\u968f\u673a\u8bfb\u5199\u6d4b\u8bd5\u6a21\u677f<br \/>\n[global]<br \/>\nioengine&#061;libaio<br \/>\ndirect&#061;1<br \/>\nthread&#061;1<br \/>\ngroup_reporting<br \/>\ntime_based<br \/>\nruntime&#061;300<\/p>\n<p>[4k_randread]<br \/>\nbs&#061;4k<br \/>\nrw&#061;randread<br \/>\nnumjobs&#061;8<br \/>\niodepth&#061;32<\/p>\n<p>\u5173\u952e\u6027\u80fd\u6307\u6807\u5bf9\u6bd4&#xff1a;<\/p>\n<table>\n<tr>\u6d4b\u8bd5\u573a\u666f\u786cRAID (PERC H740P)\u8f6fRAID (mdadm)\u5dee\u5f02\u7387<\/tr>\n<tbody>\n<tr>\n<td>4K\u968f\u673a\u8bfbIOPS<\/td>\n<td>285,000<\/td>\n<td>198,000<\/td>\n<td>-30.5%<\/td>\n<\/tr>\n<tr>\n<td>4K\u968f\u673a\u5199IOPS<\/td>\n<td>142,000<\/td>\n<td>76,500<\/td>\n<td>-46.1%<\/td>\n<\/tr>\n<tr>\n<td>128K\u987a\u5e8f\u8bfb\u541e\u5410<\/td>\n<td>3.2GB\/s<\/td>\n<td>2.8GB\/s<\/td>\n<td>-12.5%<\/td>\n<\/tr>\n<tr>\n<td>\u9635\u5217\u91cd\u5efa\u65f6\u95f4(1.6TB)<\/td>\n<td>82\u5206\u949f<\/td>\n<td>215\u5206\u949f<\/td>\n<td>&#043;162%<\/td>\n<\/tr>\n<tr>\n<td>CPU\u5360\u7528\u7387(\u6ee1\u8f7d\u65f6)<\/td>\n<td>3-5%<\/td>\n<td>28-35%<\/td>\n<td>&#043;800%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u91cd\u8981\u53d1\u73b0&#xff1a;\u5728\u5355\u5757\u78c1\u76d8\u6545\u969c\u6a21\u62df\u6d4b\u8bd5\u4e2d&#xff0c;\u786cRAID\u7684\u81ea\u52a8\u91cd\u5efa\u901f\u5ea6\u8fbe\u5230328MB\/s&#xff0c;\u800c\u8f6fRAID\u4ec5\u7ef4\u6301121MB\/s\u3002\u8fd9\u6e90\u4e8e\u786cRAID\u5361\u4e13\u7528\u5904\u7406\u5668\u53ef\u5168\u901f\u8fd0\u884cXOR\u8fd0\u7b97&#xff0c;\u800c\u8f6fRAID\u53d7\u9650\u4e8e\u4e3b\u673aCPU\u8c03\u5ea6\u3002<\/p>\n<h3>3. \u6210\u672c\u4e0e\u8fd0\u7ef4\u7684\u6df1\u5c42\u535a\u5f08<\/h3>\n<p>\u4f01\u4e1a\u9009\u578b\u51b3\u7b56\u5fc5\u987b\u8d85\u8d8a\u5355\u7eaf\u7684\u6027\u80fd\u6307\u6807&#xff0c;\u9700\u5efa\u7acb\u591a\u7ef4\u8bc4\u4f30\u4f53\u7cfb&#xff1a;<\/p>\n<p>TCO\u5bf9\u6bd4\u6a21\u578b&#xff1a;<\/p>\n<table>\n<tr>\u6210\u672c\u7ef4\u5ea6\u786cRAID\u65b9\u6848\u8f6fRAID\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>\u521d\u59cb\u786c\u4ef6\u6210\u672c<\/td>\n<td>PERC H740P\u5361\u7ea6$800<\/td>\n<td>\u4ec5\u9700\u57fa\u7840HBA\u5361\u7ea6$150<\/td>\n<\/tr>\n<tr>\n<td>\u957f\u671f\u7ef4\u62a4\u6210\u672c<\/td>\n<td>\u56fa\u4ef6\u66f4\u65b0\u9700\u505c\u673a<\/td>\n<td>\u5728\u7ebf\u7ef4\u62a4\u65e0\u4e2d\u65ad<\/td>\n<\/tr>\n<tr>\n<td>\u6269\u5bb9\u7075\u6d3b\u6027<\/td>\n<td>\u53d7\u9650\u4e8eRAID\u5361\u578b\u53f7<\/td>\n<td>\u652f\u6301\u5728\u7ebf\u6dfb\u52a0\u78c1\u76d8<\/td>\n<\/tr>\n<tr>\n<td>\u6280\u672f\u6808\u4f9d\u8d56<\/td>\n<td>\u4f9d\u8d56DELL\u7ba1\u7406\u5de5\u5177<\/td>\n<td>\u6807\u51c6Linux\u5de5\u5177\u94fe<\/td>\n<\/tr>\n<tr>\n<td>\u6545\u969c\u6062\u590d\u590d\u6742\u5ea6<\/td>\n<td>\u9700\u76f8\u540c\u578b\u53f7\u5907\u4ef6<\/td>\n<td>\u901a\u7528\u670d\u52a1\u5668\u5373\u53ef\u6062\u590d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5178\u578b\u573a\u666f\u4e0b\u7684\u63a8\u8350\u914d\u7f6e&#xff1a;<\/p>\n<li>\n<p>\u9ad8\u6027\u80fd\u6570\u636e\u5e93&#xff1a;<\/p>\n<p>&#8211; \u9996\u9009\u65b9\u6848&#xff1a;\u786cRAID10 (PERC H740P)<br \/>\n&#8211; \u914d\u7f6e\u8981\u70b9&#xff1a;\u542f\u7528WriteBack\u6a21\u5f0f&#xff0c;BBU\u4fdd\u62a4\u7f13\u5b58<br \/>\n&#8211; \u9884\u671f\u6027\u80fd&#xff1a;OLTP\u8d1f\u8f7d\u4e0b15-20%\u6027\u80fd\u63d0\u5347<\/p>\n<\/li>\n<li>\n<p>\u5907\u4efd\u5b58\u50a8\u7cfb\u7edf&#xff1a;<\/p>\n<p>&#8211; \u9996\u9009\u65b9\u6848&#xff1a;\u8f6fRAID6 (mdadm)<br \/>\n&#8211; \u914d\u7f6e\u8981\u70b9&#xff1a;\u8bbe\u7f6eweekly\u9635\u5217\u68c0\u67e5<br \/>\n&#8211; \u4f18\u52bf&#xff1a;\u5b58\u50a8\u5bc6\u5ea6\u9ad8&#xff0c;\u91cd\u5efa\u65f6\u53ef\u9650\u5236CPU\u5360\u7528<\/p>\n<\/li>\n<li>\n<p>\u865a\u62df\u5316\u5e73\u53f0&#xff1a;<\/p>\n<p>&#8211; \u6df7\u5408\u65b9\u6848&#xff1a;\u786cRAID5&#043;\u8f6fRAID1<br \/>\n&#8211; \u5b9e\u73b0\u65b9\u5f0f&#xff1a;<br \/>\n  1. \u786cRAID5\u63d0\u4f9b\u6570\u636e\u5377<br \/>\n  2. \u5173\u952eVM\u955c\u50cf\u901a\u8fc7DRBD\u5b9e\u73b0\u8de8\u4e3b\u673a\u8f6fRAID1<\/p>\n<\/li>\n<h3>4. \u8fdb\u9636\u5b9e\u8df5&#xff1a;LVM\u4e0eRAID\u7684\u534f\u540c\u67b6\u6784<\/h3>\n<p>\u5728\u4f01\u4e1a\u7ea7\u90e8\u7f72\u4e2d&#xff0c;RAID\u5f88\u5c11\u5355\u72ec\u4f7f\u7528\u3002\u6211\u4eec\u5b9e\u6d4b\u4e86\u4e09\u79cd\u5178\u578b\u7ec4\u5408\u65b9\u6848&#xff1a;<\/p>\n<p>\u65b9\u6848A&#xff1a;\u4f20\u7edf\u786cRAID&#043;LVM<\/p>\n<p># \u5728PERC\u5361\u521b\u5efaRA5\u865a\u62df\u78c1\u76d8<br \/>\n# \u7136\u540e\u914d\u7f6eLVM&#xff1a;<br \/>\npvcreate \/dev\/sda<br \/>\nvgcreate vg_data \/dev\/sda<br \/>\nlvcreate -L 10T -n lv_db vg_data<br \/>\nmkfs.xfs -d su&#061;256k,sw&#061;8 \/dev\/vg_data\/lv_db<\/p>\n<p>\u65b9\u6848B&#xff1a;\u8f6fRAID\u76f4\u63a5\u7ba1\u7406<\/p>\n<p>mdadm &#8211;create \/dev\/md0 &#8211;level&#061;6 &#8211;raid-devices&#061;8 \/dev\/sd[b-i]<br \/>\nmkfs.xfs -d su&#061;512k,sw&#061;6 \/dev\/md0<\/p>\n<p>\u65b9\u6848C&#xff1a;LVM\u6574\u5408\u8f6fRAID<\/p>\n<p># \u521b\u5efaRAID1\u5143\u6570\u636e\u5377<br \/>\nmdadm &#8211;create \/dev\/md0 &#8211;level&#061;1 &#8211;raid-devices&#061;2 \/dev\/sdb \/dev\/sdc<br \/>\n# \u521b\u5efaRAID5\u6570\u636e\u5377<br \/>\nmdadm &#8211;create \/dev\/md1 &#8211;level&#061;5 &#8211;raid-devices&#061;5 \/dev\/sdd \/dev\/sde \/dev\/sdf \/dev\/sdg \/dev\/sdh<br \/>\n# LVM\u6574\u5408<br \/>\npvcreate \/dev\/md0 \/dev\/md1<br \/>\nvgcreate vg_hybrid \/dev\/md0 \/dev\/md1<br \/>\nlvcreate -L 500G -m1 -n lv_meta vg_hybrid \/dev\/md0<br \/>\nlvcreate -L 20T -n lv_data vg_hybrid \/dev\/md1<\/p>\n<p>\u6027\u80fd\u5bf9\u6bd4\u6570\u636e&#xff1a;<\/p>\n<table>\n<tr>\u64cd\u4f5c\u7c7b\u578b\u65b9\u6848A (\u786cRAID&#043;LVM)\u65b9\u6848B (\u7eaf\u8f6fRAID)\u65b9\u6848C (\u6df7\u5408\u67b6\u6784)<\/tr>\n<tbody>\n<tr>\n<td>4K\u968f\u673a\u5199\u5ef6\u8fdf<\/td>\n<td>0.78ms<\/td>\n<td>1.23ms<\/td>\n<td>0.92ms<\/td>\n<\/tr>\n<tr>\n<td>\u5feb\u7167\u521b\u5efa\u901f\u5ea6<\/td>\n<td>12\u79d2\/TB<\/td>\n<td>8\u79d2\/TB<\/td>\n<td>6\u79d2\/TB<\/td>\n<\/tr>\n<tr>\n<td>\u5377\u6269\u5c55\u8017\u65f6<\/td>\n<td>\u9700\u505c\u673a<\/td>\n<td>\u5728\u7ebf\u5b8c\u6210<\/td>\n<td>\u5728\u7ebf\u5b8c\u6210<\/td>\n<\/tr>\n<tr>\n<td>\u9635\u5217\u8fc1\u79fb\u590d\u6742\u5ea6<\/td>\n<td>\u9ad8<\/td>\n<td>\u4f4e<\/td>\n<td>\u4e2d\u7b49<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>5. \u6545\u969c\u6062\u590d\u5b9e\u6218&#xff1a;\u5173\u952e\u5dee\u5f02\u4e0e\u5e94\u6025\u65b9\u6848<\/h3>\n<p>\u5f53\u78c1\u76d8\u6545\u969c\u53d1\u751f\u65f6&#xff0c;\u4e24\u79cd\u6280\u672f\u7684\u5904\u7406\u6d41\u7a0b\u622a\u7136\u4e0d\u540c&#xff1a;<\/p>\n<p>\u786cRAID\u6062\u590d\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u901a\u8fc7iDRAC\u544a\u8b66\u6216OMSA\u63a7\u5236\u53f0\u8bc6\u522b\u6545\u969c\u76d8<\/li>\n<li>\u7269\u7406\u66f4\u6362\u78c1\u76d8\u540e\u81ea\u52a8\u89e6\u53d1\u91cd\u5efa<\/li>\n<li>\u5728PERC BIOS\u4e2d\u76d1\u63a7\u91cd\u5efa\u8fdb\u5ea6<\/li>\n<li>\u5fc5\u8981\u65f6\u624b\u52a8\u542f\u7528\u4e00\u81f4\u6027\u68c0\u67e5<\/li>\n<p>\u8f6fRAID\u6062\u590d\u64cd\u4f5c&#xff1a;<\/p>\n<p># \u6807\u8bb0\u6545\u969c\u78c1\u76d8<br \/>\nmdadm &#8211;manage \/dev\/md0 &#8211;fail \/dev\/sdb1<\/p>\n<p># \u79fb\u9664\u6545\u969c\u8bbe\u5907<br \/>\nmdadm &#8211;manage \/dev\/md0 &#8211;remove \/dev\/sdb1<\/p>\n<p># \u6dfb\u52a0\u65b0\u78c1\u76d8<br \/>\nmdadm &#8211;manage \/dev\/md0 &#8211;add \/dev\/sdc1<\/p>\n<p># \u76d1\u63a7\u91cd\u5efa\u8fdb\u5ea6<br \/>\nwatch -n 5 cat \/proc\/mdstat<\/p>\n<p># \u8c03\u6574\u91cd\u5efa\u901f\u5ea6&#xff08;\u907f\u514d\u5f71\u54cd\u4e1a\u52a1&#xff09;<br \/>\necho 200000 &gt; \/proc\/sys\/dev\/raid\/speed_limit_min<br \/>\necho 500000 &gt; \/proc\/sys\/dev\/raid\/speed_limit_max<\/p>\n<p>\u5173\u952e\u6062\u590d\u6307\u6807\u5bf9\u6bd4&#xff1a;<\/p>\n<table>\n<tr>\u6062\u590d\u9636\u6bb5\u786cRAID\u4f18\u52bf\u8f6fRAID\u4f18\u52bf<\/tr>\n<tbody>\n<tr>\n<td>\u6545\u969c\u68c0\u6d4b<\/td>\n<td>\u5b9e\u65f6\u786c\u4ef6\u544a\u8b66<\/td>\n<td>\u4f9d\u8d56\u76d1\u63a7\u7cfb\u7edf<\/td>\n<\/tr>\n<tr>\n<td>\u5907\u76d8\u6fc0\u6d3b<\/td>\n<td>\u81ea\u52a8\u5207\u6362\u70ed\u5907\u76d8<\/td>\n<td>\u9700\u9884\u914d\u7f6espare\u8bbe\u5907<\/td>\n<\/tr>\n<tr>\n<td>\u91cd\u5efa\u8fc7\u7a0b<\/td>\n<td>\u4e13\u7528\u901a\u9053\u4e0d\u5360\u7528\u7f51\u7edc\u5e26\u5bbd<\/td>\n<td>\u53ef\u52a8\u6001\u8c03\u6574\u91cd\u5efa\u901f\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u4e00\u81f4\u6027\u6821\u9a8c<\/td>\n<td>\u9700\u624b\u52a8\u542f\u52a8<\/td>\n<td>\u652f\u6301\u540e\u53f0\u5b9a\u671f\u68c0\u67e5<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u78c1\u76d8\u6545\u969c\u5bb9\u5fcd<\/td>\n<td>\u4f9d\u8d56RAID\u7ea7\u522b<\/td>\n<td>\u652f\u6301\u975e\u5bf9\u79f0\u78c1\u76d8\u66ff\u6362<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>6. \u51b3\u7b56\u6811&#xff1a;\u4f01\u4e1a\u9009\u578b\u7684\u6280\u672f\u7ecf\u6d4e\u5b66<\/h3>\n<p>\u7efc\u5408\u6027\u80fd\u3001\u6210\u672c\u3001\u8fd0\u7ef4\u4e09\u5927\u7ef4\u5ea6&#xff0c;\u6211\u4eec\u63d0\u70bc\u51fa\u4ee5\u4e0b\u51b3\u7b56\u6846\u67b6&#xff1a;<\/p>\n<p>graph TD<br \/>\n    A[\u4e1a\u52a1\u9700\u6c42\u5206\u6790] &#8211;&gt; B{\u662f\u5426\u6027\u80fd\u654f\u611f\u578b?}<br \/>\n    B &#8211;&gt;|\u662f| C{\u9884\u7b97\u662f\u5426\u5145\u8db3?}<br \/>\n    B &#8211;&gt;|\u5426| D[\u8f6fRAID6\/10]<br \/>\n    C &#8211;&gt;|\u662f| E[\u786cRAID10&#043;BBU]<br \/>\n    C &#8211;&gt;|\u5426| F[\u8f6fRAID10&#043;LVM]<br \/>\n    A &#8211;&gt; G{\u6570\u636e\u89c4\u6a21&gt;50TB?}<br \/>\n    G &#8211;&gt;|\u662f| H[\u786cRAID6&#043;\u5206\u5c42\u5b58\u50a8]<br \/>\n    G &#8211;&gt;|\u5426| I[\u8f6fRAID5\/6]<br \/>\n    A &#8211;&gt; J{\u662f\u5426\u9700\u8981\u8de8\u673a\u8fc1\u79fb?}<br \/>\n    J &#8211;&gt;|\u662f| K[\u8f6fRAID&#043;DRBD]<\/p>\n<p>\u5b9e\u9645\u6848\u4f8b\u8868\u660e&#xff0c;\u67d0\u7535\u5546\u5e73\u53f0\u5728MySQL\u96c6\u7fa4\u91c7\u7528\u786cRAID10\u540e&#xff0c;QPS\u63d0\u534737%\u7684\u540c\u65f6&#xff0c;\u5e74\u6545\u969c\u6062\u590d\u65f6\u95f4\u51cf\u5c1182%\u3002\u800c\u67d0\u89c6\u9891\u5f52\u6863\u7cfb\u7edf\u4f7f\u7528\u8f6fRAID6\u65b9\u6848&#xff0c;\u5b58\u50a8\u6210\u672c\u964d\u4f4e45%\u4e14\u6269\u5bb9\u6548\u7387\u63d0\u53473\u500d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u786cRAID vs \u8f6fRAID\u7ec8\u6781\u5bf9\u51b3&#xff1a;DELL\u670d\u52a1\u5668\u5b9e\u6d4b\u6027\u80fd\u5bf9\u6bd4\u4e0e\u9009\u578b\u6307\u5357<br \/>\n1. \u4f01\u4e1a\u5b58\u50a8\u67b6\u6784\u7684\u5341\u5b57\u8def\u53e3&#xff1a;RAID\u6280\u672f\u672c\u8d28\u89e3\u6790<br \/>\n\u5f53\u4f01\u4e1aIT\u57fa\u7840\u8bbe\u65bd\u8d1f\u8d23\u4eba\u9762\u5bf9\u5b58\u50a8\u65b9\u6848\u9009\u578b\u65f6&#xff0c;RAID\u6280\u672f\u7684\u9009\u62e9\u5f80\u5f80\u6210\u4e3a\u5173\u952e\u51b3\u7b56\u70b9\u3002\u72ec\u7acb\u78c1\u76d8\u5197\u4f59\u9635\u5217&#xff08;Redundant Array of Independent Disks&#xff09;\u6280\u672f\u53d1\u5c55\u81f3\u4eca\u5df2\u5f62\u6210\u4e24\u5927\u6280\u672f\u8def\u7ebf&#xff1a;\u57fa\u4e8e\u4e13\u7528\u786c\u4ef6\u7684\u786cRAID\u548c\u57fa\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u5b9e\u73b0\u7684\u8f6fRAID\u3002\u8fd9\u4e24\u79cd<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[8473,8472,8471,45],"topic":[],"class_list":["post-77240","post","type-post","status-publish","format-standard","hentry","category-server","tag-8473","tag-8472","tag-8471","tag-raid"],"yoast_head":"<!-- This site is optimized with 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