{"id":135718,"date":"2020-07-21T13:28:21","date_gmt":"2020-07-21T05:28:21","guid":{"rendered":"http:\/\/4563.org\/?p=135718"},"modified":"2020-07-21T13:28:21","modified_gmt":"2020-07-21T05:28:21","slug":"ure-%e4%b8%8e-raid5-%e9%98%b5%e5%88%97%e5%ae%89%e5%85%a8%e6%80%a7%e7%9a%84%e7%96%91%e6%83%91%ef%bc%8c%e4%bc%bc%e4%b9%8e%e7%a1%ac%e7%9b%98%e5%b9%b6%e4%b8%8d%e5%8f%af%e9%9d%a0%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=135718","title":{"rendered":"URE \u4e0e RAID5 \u9635\u5217\u5b89\u5168\u6027\u7684\u7591\u60d1\uff0c\u4f3c\u4e4e\u786c\u76d8\u5e76\u4e0d\u53ef\u9760\uff1f"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  URE \u4e0e RAID5 \u9635\u5217\u5b89\u5168\u6027\u7684\u7591\u60d1\uff0c\u4f3c\u4e4e\u786c\u76d8\u5e76\u4e0d\u53ef\u9760\uff1f               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : SimbaG <\/span>  <span><i><\/i> 6<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u6211\u65f6\u5e38\u89c1\u5230\u5f88\u591a\u73a9 NAS \u7684\u575b\u53cb\u8b66\u544a\u5927\u5bb9\u91cf\u4e0b Raid 5 \u7684\u5b89\u5168\u6027\u3002 \u7406\u7531\u662f URE \u7684\u4e0d\u53ef\u6062\u590d\u7387\u4e3a\uff1a<\/p>\n<p>$$ (1-URE)^8*Cap $$<\/p>\n<p>\u5176\u4e2d\uff0cURE \u4e3a\u4e0d\u53ef\u6062\u590d\u9519\u8bef\u7684\u6982\u7387\uff0c\u901a\u5e38\u4e3a 10^-14 \u6216-15 \u6bcf bit\uff0cCap \u4e3a\u78c1\u76d8\u5bb9\u91cf\uff0c\u5355\u4f4d Byte \u3002<\/p>\n<p>\u4f8b\u5982 10^-14 \u7b49\u7ea7 URE \u7684 4T*3 \u9635\u5217\uff0c\u5728\u5355\u76d8\u5931\u6548\u540e\u7531\u4e8e URE \u9020\u6210\u7684\u91cd\u5efa\u5931\u8d25\u7387\u9ad8\u8fbe 48%\uff0c\u6216\u8005\u8bf4\u6210\u529f\u7387\u53ea\u6709 52%\u3002 \u6211\u7406\u89e3\u4e86\u8be5\u7b97\u5f0f\u6307\u793a\u7684 URE \u53ef\u9760\u6027\u95ee\u9898\uff0c \u4f46\u662f\u5373\u4fbf\u5982\u6b64\uff0cRaid1 \u5c82\u4e0d\u662f\u4e5f\u5e76\u4e0d\u5b89\u5168\uff1f<\/p>\n<p>\u4e0b\u9762 Raid1 \u7684\u91cd\u5efa\u5b9a\u4e49\u6307\u6362\u4e0a\u65b0\u7684\u786c\u76d8\u540e\uff0c\u91cd\u955c\u50cf Raid1 \u9635\u5217<\/p>\n<p>\u7b49\u7ea7\u4e3a 10^-15 URE \u786c\u76d8\uff0c2 \u7247 8T \u7ec4\u6210 Raid1 \u9635\u5217\uff0c\u5728\u5355\u76d8\u5931\u6548\u540e\uff0c\u7ecf\u8fc7\u8bfb\u53d6 64*10^12 bit(8TB)\u5e76\u91cd\u5efa Raid1 \u9635\u5217\u7684\u6210\u529f\u7387\u4e3a 93.8%<\/p>\n<p>\u7b49\u7ea7\u4e3a 10^-14 URE \u786c\u76d8\uff0c2 \u7247 4T \u7ec4\u6210 Raid1 \u9635\u5217\uff0c\u5728\u5355\u76d8\u5931\u6548\u540e\uff0c\u7ecf\u8fc7\u8bfb\u53d6 32*10^12 bit(4TB)\u5e76\u91cd\u5efa Raid1 \u9635\u5217\u7684\u6210\u529f\u7387\u4e3a 72.6%<\/p>\n<p>\u5e76\u4e14 Raid1 \u91cd\u5efa\u201c\u5931\u8d25\u201d\u7684\u65f6\u5019\uff0cRAID \u7cfb\u7edf\u5e76\u65e0\u80fd\u529b\u68c0\u6d4b\u51fa\u6062\u590d\u5931\u8d25\uff08\u56e0\u4e3a\u5b9e\u9645\u4e0a\u76f8\u5f53\u4e8e\u662f\u5355\u76d8\u62f7\u8d1d\u5de5\u4f5c\uff09 \u8fd9\u4e48\u8bf4 14 \u6b21\u65b9\u7ea7\u522b\u7684\u786c\u76d8\u90fd\u5f97\u6254\u4e86\uff1f\u56e0\u4e3a\u8fde Raid1 \u90fd\u4fdd\u4e0d\u4f4f\u6570\u636e\u4e86\u3002<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>0<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>URE \u4e0e RAID5 \u9635\u5217\u5b89\u5168\u6027&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/135718"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=135718"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/135718\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=135718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=135718"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=135718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}