{"id":279,"date":"2020-03-01T21:22:24","date_gmt":"2020-03-01T13:22:24","guid":{"rendered":"http:\/\/118.25.47.203\/?p=279"},"modified":"2021-03-21T13:29:49","modified_gmt":"2021-03-21T05:29:49","slug":"raid","status":"publish","type":"post","link":"https:\/\/blog.ywdevops.cn\/index.php\/2020\/03\/01\/raid\/","title":{"rendered":"RAID\u78c1\u76d8\u9635\u5217"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\u4ec0\u4e48\u662fraid\uff1f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RAID \u6280\u672f\u901a\u8fc7\u628a\u591a\u4e2a\u786c\u76d8\u8bbe\u5907\u7ec4\u5408\u6210\u4e00\u4e2a\u5bb9\u91cf\u66f4\u5927\u3001\u5b89\u5168\u6027\u66f4\u597d\u7684\u78c1\u76d8\u9635\u5217\uff0c\u5e76\u628a\u6570\u636e\u5207\u5272\u6210\u591a\u4e2a\u533a\u6bb5\u540e\u5206\u522b\u5b58\u653e\u5728\u5404\u4e2a\u4e0d\u540c\u7684\u7269\u7406\u786c\u76d8\u8bbe\u5907\u4e0a\uff0c\u7136\u540e\u5229\u7528\u5206\u6563\u8bfb\u5199\u6280\u672f\u6765\u63d0\u5347\u78c1\u76d8\u9635\u5217\u6574\u4f53\u7684 \u6027\u80fd\uff0c\u540c\u65f6\u628a\u591a\u4e2a\u91cd\u8981\u6570\u636e\u7684\u526f\u672c\u540c\u6b65\u5230\u4e0d\u540c\u7684\u7269\u7406\u786c\u76d8\u8bbe\u5907\u4e0a\uff0c\u4ece\u800c\u8d77\u5230\u4e86\u975e\u5e38\u597d\u7684\u6570\u636e\u5197\u4f59\u5907\u4efd\u6548\u679c\u3002 <\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"> <strong>RAID 0<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> RAID 0 \u6280\u672f\u628a\u591a\u5757\u7269\u7406\u786c\u76d8\u8bbe\u5907\uff08\u81f3\u5c11\u4e24\u5757\uff09\u901a\u8fc7\u786c\u4ef6\u6216\u8f6f\u4ef6\u7684\u65b9\u5f0f\u4e32\u8054\u5728\u4e00\u8d77\uff0c\u7ec4\u6210 \u4e00\u4e2a\u5927\u7684\u5377\u7ec4\uff0c\u5e76\u5c06\u6570\u636e\u4f9d\u6b21\u5199\u5165\u5230\u5404\u4e2a\u7269\u7406\u786c\u76d8\u4e2d\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u5728\u6700\u7406\u60f3\u7684\u72b6\u6001\u4e0b\uff0c\u786c\u76d8\u8bbe\u5907\u7684\u8bfb\u5199\u6027\u80fd\u4f1a\u63d0\u5347\u6570\u500d\uff0c\u4f46\u662f\u82e5\u4efb\u610f\u4e00\u5757\u786c\u76d8\u53d1\u751f\u6545\u969c\u5c06\u5bfc\u81f4\u6574\u4e2a\u7cfb\u7edf\u7684\u6570\u636e\u90fd\u53d7\u5230\u7834 \u574f\u3002\u901a\u4fd7\u6765\u8bf4\uff0cRAID 0 \u6280\u672f\u80fd\u591f\u6709\u6548\u5730\u63d0\u5347\u786c\u76d8\u6570\u636e\u7684\u541e\u5410\u901f\u5ea6\uff0c\u4f46\u662f\u4e0d\u5177\u5907\u6570\u636e\u5907\u4efd\u548c\u9519\u8bef\u4fee\u590d\u80fd\u529b\u3002 <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"499\" height=\"189\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/29-4.png\" alt=\"\" class=\"wp-image-701\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/29-4.png 499w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/29-4-300x114.png 300w\" sizes=\"auto, (max-width: 499px) 100vw, 499px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"389\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/4-1.png\" alt=\"\" class=\"wp-image-3497\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/4-1.png 650w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/4-1-300x180.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/4-1-600x359.png 600w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>RAID 1 <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RAID1\u662f\u628a\u4e24\u5757\u4ee5\u4e0a\u7684\u786c\u76d8\u8bbe\u5907\u8fdb\u884c\u7ed1\u5b9a\uff0c\u5728\u5199\u5165\u6570\u636e\u65f6\uff0c\u662f\u5c06\u6570\u636e\u540c\u65f6\u5199\u5165\u5230\u591a\u5757\u786c\u76d8\u8bbe\u5907\u4e0a\uff08\u53ef\u4ee5\u5c06\u5176\u89c6\u4e3a\u6570\u636e\u7684\u955c\u50cf\u6216\u5907\u4efd\uff09\u3002\u5f53\u5176\u4e2d\u67d0\u4e00\u5757\u786c\u76d8\u53d1\u751f\u6545\u969c\u540e\uff0c\u4e00\u822c\u4f1a\u7acb\u5373\u81ea\u52a8\u4ee5\u70ed\u4ea4\u6362\u7684\u65b9\u5f0f\u6765\u6062\u590d\u6570\u636e\u7684\u6b63\u5e38\u4f7f\u7528\u3002  \u4f46\u662f\u786c\u76d8\u7a7a\u95f4\u7684\u771f\u5b9e\u53ef\u7528\u7387\u53ea\u670950%\uff0c\u90e8\u5206\u7a7a\u95f4\u88ab\u6d6a\u8d39\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"205\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/30-5.png\" alt=\"\" class=\"wp-image-703\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/30-5.png 501w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/30-5-300x123.png 300w\" sizes=\"auto, (max-width: 501px) 100vw, 501px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"638\" height=\"385\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/5-1.png\" alt=\"\" class=\"wp-image-3499\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/5-1.png 638w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/5-1-300x181.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/5-1-600x362.png 600w\" sizes=\"auto, (max-width: 638px) 100vw, 638px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong> RAID 5<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RAID5 \u6280\u672f\u662f\u628a\u786c\u76d8\u8bbe\u5907\u7684\u6570\u636e\u5947\u5076\u6821\u9a8c\u4fe1\u606f\u4fdd\u5b58\u5230\u5176\u4ed6\u786c\u76d8\u8bbe\u5907\u4e2d\u3002\u6570\u636e\u7684\u5947\u5076\u6821\u9a8c\u4fe1\u606f\u5e76\u4e0d\u662f\u5355\u72ec\u4fdd\u5b58\u5230\u67d0\u4e00\u5757\u786c\u76d8\u8bbe\u5907\u4e2d\uff0c\u800c\u662f\u5b58\u50a8\u5230\u9664\u81ea\u8eab\u4ee5\u5916\u7684\u5176\u4ed6\u6bcf\u4e00\u5757\u786c\u76d8\u8bbe\u5907\u4e0a\uff0c\u8fd9\u6837\u7684\u597d\u5904\u662f\u5176\u4e2d\u4efb\u4f55\u4e00\u8bbe\u5907\u635f\u574f\u540e\u4e0d\u81f3\u4e8e\u51fa\u73b0\u81f4\u547d\u7f3a\u9677\uff1b  \u9014\u4e2dparity \u90e8\u5206\u5b58\u653e\u7684\u5c31\u662f\u6570\u636e\u7684\u5947\u5076\u6821\u9a8c\u4fe1\u606f\uff0c RAID 5 \u6280\u672f\u5b9e\u9645\u4e0a\u6ca1\u6709\u5907\u4efd\u786c\u76d8\u4e2d\u7684\u771f\u5b9e\u6570\u636e\u4fe1\u606f\uff0c\u800c\u662f\u5f53\u786c\u76d8\u8bbe\u5907\u51fa\u73b0\u95ee\u9898\u540e\u901a\u8fc7\u5947\u5076\u6821\u9a8c\u4fe1\u606f\u6765\u5c1d\u8bd5 \u91cd\u5efa\u635f\u574f\u7684\u6570\u636e\u3002 <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"499\" height=\"184\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/31-5.png\" alt=\"\" class=\"wp-image-706\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/31-5.png 499w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/31-5-300x111.png 300w\" sizes=\"auto, (max-width: 499px) 100vw, 499px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"395\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/6-1.png\" alt=\"\" class=\"wp-image-3501\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/6-1.png 640w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/6-1-300x185.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/6-1-600x370.png 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"> <strong>RAID 10<\/strong>  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> RAID 10 \u6280\u672f\u662f RAID 1+RAID 0 \u6280\u672f\u7684\u4e00\u4e2a\u201c\u7ec4\u5408\u4f53\u201d\u3002  RAID 10 \u6280\u672f\u9700\u8981\u81f3\u5c11 4 \u5757\u786c\u76d8\u6765\u7ec4\u5efa\uff0c\u5176\u4e2d\u5148\u5206\u522b\u4e24\u4e24\u5236\u4f5c\u6210 RAID 1 \u78c1\u76d8\u9635\u5217\uff0c\u4ee5\u4fdd\u8bc1\u6570\u636e\u7684\u5b89\u5168\u6027\uff1b\u7136\u540e\u518d\u5bf9\u4e24\u4e2a RAID 1 \u78c1\u76d8\u9635\u5217\u5b9e\u65bd RAID 0 \u6280\u672f\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u786c\u76d8\u8bbe\u5907\u7684\u8bfb\u5199\u901f\u5ea6\u3002  \u4ece\u7406\u8bba\u4e0a\u6765\u8bb2\uff0c\u53ea\u8981\u574f\u7684\u4e0d\u662f\u540c\u4e00\u7ec4\u4e2d\u7684\u6240\u6709\u786c\u76d8\uff0c\u90a3\u4e48\u6700\u591a\u53ef\u4ee5\u635f\u574f 50%\u7684\u786c\u76d8\u8bbe\u5907\u800c\u4e0d\u4e22\u5931\u6570\u636e\u3002\u7531\u4e8e RAID10 \u6280\u672f\u7ee7\u627f\u4e86 RAID 0 \u7684\u9ad8\u8bfb\u5199\u901f\u5ea6\u548c RAID 1 \u7684\u6570\u636e\u5b89\u5168\u6027\uff0c\u5728\u4e0d\u8003\u8651\u6210\u672c\u7684\u60c5\u51b5\u4e0b RAID 10 \u7684\u6027\u80fd\u90fd\u8d85\u8fc7\u4e86 RAID 5\uff0c \u56e0\u6b64\u751f\u4ea7\u73af\u5883\u4e2d\u4e3b\u8981\u4f7f\u7528RAID 10 \u6280\u672f\u3002 <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"214\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/32-4.png\" alt=\"\" class=\"wp-image-708\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/32-4.png 500w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/32-4-300x128.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"blob:http:\/\/blog.ywdevops.cn\/5149e04a-70b2-459a-b55a-d3fcf175b147\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"blob:http:\/\/blog.ywdevops.cn\/70c37a42-4b2e-4ce6-a155-4ef41270a711\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\u63a5\u4e0b\u6765\u6f14\u7ec3\u4e0b\u5982\u4f55\u90e8\u7f72raid10\u9635\u5217<\/strong>(\u4ee5vmware\u865a\u62df\u673a\u4e3a\u4f8b\u5b50)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u5728\u865a\u62df\u673a\u8bbe\u7f6e\u5904\u70b9\u51fb\u6dfb\u52a0\u786c\u76d8\uff0c\u5171\u6dfb\u52a04\u5757\u786c\u76d8\uff0c\u4e0d\u7b97\u7cfb\u7edf\u76d8\uff0c\u5982\u56fe:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"503\" height=\"243\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/33-4.png\" alt=\"\" class=\"wp-image-711\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/33-4.png 503w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/33-4-300x145.png 300w\" sizes=\"auto, (max-width: 503px) 100vw, 503px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6839\u636elinux\u7684\u547d\u540d\u89c4\u5219\uff0c\u7b2c\u4e8c\u4e2a\u6dfb\u52a0\u7684SCSI\u8bbe\u5907\u540d\u5b57\u4e3a\/dev\/sdb,\u7b2c\u4e09\u4e2a\u4e3a\/dev\/sdc\u4ee5\u6b64\u7c7b\u63a8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\u4f7f\u7528mdadm\u547d\u4ee4\u521b\u5efaraid10\uff0c\u547d\u540d\/dev\/rd10<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>mdadm -Cv \/dev\/md10 -a yes -n 4 -l 10 \/dev\/sdb \/dev\/sdc \/dev\/sdd \/dev\/sde<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"505\" height=\"200\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/34-3.png\" alt=\"\" class=\"wp-image-713\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/34-3.png 505w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/34-3-300x119.png 300w\" sizes=\"auto, (max-width: 505px) 100vw, 505px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"> \u628a\u5236\u4f5c\u597d\u7684 RAID \u78c1\u76d8\u9635\u5217\u683c\u5f0f\u5316\u4e3axfs\u683c\u5f0f,\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"223\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/35-4.png\" alt=\"\" class=\"wp-image-715\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/35-4.png 500w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/35-4-300x134.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u521b\u5efa\u6302\u8f7d\u70b9\uff0c\u5e76\u8fdb\u884c\u6302\u8f7d\uff0c\u5982\u56fe\u53ef\u4ee5\u770b\u5230\uff0c\u78c1\u76d8\u4f7f\u7528\u7387\u4e3a40G<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"586\" height=\"330\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/36-3.png\" alt=\"\" class=\"wp-image-717\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/36-3.png 586w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/36-3-300x169.png 300w\" sizes=\"auto, (max-width: 586px) 100vw, 586px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528<strong>mdadm -D   \/dev\/md10<\/strong>\u53ef\u4ee5\u67e5\u770b\u9635\u5217\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"516\" height=\"284\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/37-2.png\" alt=\"\" class=\"wp-image-720\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/37-2.png 516w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/37-2-300x165.png 300w\" sizes=\"auto, (max-width: 516px) 100vw, 516px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"518\" height=\"126\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/38-2.png\" alt=\"\" class=\"wp-image-722\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/38-2.png 518w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/38-2-300x73.png 300w\" sizes=\"auto, (max-width: 518px) 100vw, 518px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u5176\u4e2d\u6709\u4e00\u5757\u78c1\u76d8\u53d1\u751f\u635f\u574f\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528mdadm\u547d\u4ee4\u5c06\u5176\u79fb\u9664\uff0c\u79fb\u9664\u540e\u89c2\u5bdf\u9635\u5217\u72b6\u6001<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"513\" height=\"132\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/39-2.png\" alt=\"\" class=\"wp-image-724\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/39-2.png 513w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/39-2-300x77.png 300w\" sizes=\"auto, (max-width: 513px) 100vw, 513px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"530\" height=\"161\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/40-2.png\" alt=\"\" class=\"wp-image-726\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/40-2.png 530w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/40-2-300x91.png 300w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u518d\u8d2d\u4e70\u4e86\u65b0\u7684\u786c\u76d8\u540e\uff0c\u53ea\u8981\u4f7f\u7528mdadm\u547d\u4ee4-a\u53c2\u6570\u5c06\u786c\u76d8\u91cd\u65b0\u52a0\u5165\u9635\u5217\u5373\u53ef<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>umount   \/dev\/md10<\/strong>      \u52a0\u5165\u524d\u5148\u6267\u884c\u547d\u4ee4\u5378\u8f7d\u78c1\u76d8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>mdadm   \/dev\/md10    -a   \/dev\/sdc<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>mdadm    -D     \/dev\/md10<\/strong>    \u518d\u6b21\u67e5\u770b\u9635\u5217\u72b6\u6001\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"536\" height=\"122\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/41-2.png\" alt=\"\" class=\"wp-image-728\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/41-2.png 536w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/41-2-300x68.png 300w\" sizes=\"auto, (max-width: 536px) 100vw, 536px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\u78c1\u76d8\u9635\u5217RAID5+\u5907\u4efd\u76d8<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u521b\u5efa\u4e00\u4e2aRAID5\u78c1\u76d8\u9635\u5217\u52a0\u4e00\u4e2a\u70ed\u5907\u76d8\u4e00\u5171\u9700\u89814\u5757\u786c\u76d8<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"511\" height=\"263\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/42-2.png\" alt=\"\" class=\"wp-image-731\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/42-2.png 511w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/42-2-300x154.png 300w\" sizes=\"auto, (max-width: 511px) 100vw, 511px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6267\u884c\u547d\u4ee4\u521b\u5efaraid5,\u540d\u5b57\u4e3amd5,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>mdadm -Cv \/dev\/md5  -n 3 -l 5 -x 1 \/dev\/sdb \/dev\/sdc \/dev\/ sdd  \/dev\/sde<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u6570-n 3 \u4ee3\u8868\u521b\u5efa\u8fd9\u4e2a RAID 5 \u78c1\u76d8\u9635\u5217\u6240\u9700\u7684\u786c\u76d8\u6570\uff0c\u53c2\u6570-l 5 \u4ee3\u8868 RAID \u7684\u7ea7\u522b\uff0c\u800c\u53c2\u6570-x 1 \u5219\u4ee3\u8868\u6709\u4e00\u5757\u5907\u4efd\u76d8\u3002 <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"540\" height=\"183\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/43-2.png\" alt=\"\" class=\"wp-image-734\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/43-2.png 540w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/43-2-300x102.png 300w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u521b\u5efa\u5b8c\u6210\u540e\uff0c\u6267\u884c\u547d\u4ee4mdadm -D   \/dev\/md5\u53ef\u4ee5\u770b\u5230\u5f53\u524d\u78c1\u76d8\u72b6\u6001\uff0c\u53ef\u4ee5\u770b\u5230\u6709\u4e00\u5757\u70ed\u5907\u76d8\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"532\" height=\"153\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/44-2.png\" alt=\"\" class=\"wp-image-735\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/44-2.png 532w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/44-2-300x86.png 300w\" sizes=\"auto, (max-width: 532px) 100vw, 532px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6\u5c06\u90e8\u7f72\u597d\u7684raid5\u9635\u5217\u683c\u5f0f\u5316\u4e3axfs\uff0c\u7136\u540e\u6302\u8f7d\u5c31\u53ef\u4ee5\u4f7f\u7528\u4e86\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"531\" height=\"470\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/45-2.png\" alt=\"\" class=\"wp-image-738\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/45-2.png 531w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/45-2-300x266.png 300w\" sizes=\"auto, (max-width: 531px) 100vw, 531px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6\u6a21\u62df \u4e00\u5757\u786c\u76d8\u635f\u574f\uff0c\u5c06\u5176\u79fb\u9664\u9635\u5217\uff0c\u7136\u540e\u5728\u4f7f\u7528 mdadm -D  \/dev\/md5\u67e5\u770b\u78c1\u76d8\u72b6\u6001\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"532\" height=\"152\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/46-2.png\" alt=\"\" class=\"wp-image-741\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/46-2.png 532w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/46-2-300x86.png 300w\" sizes=\"auto, (max-width: 532px) 100vw, 532px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u770b\u5230\/dev\/sde\u70ed\u5907\u78c1\u76d8\u6b63\u5728\u5f00\u59cb\u540c\u6b65\u6570\u636e\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"530\" height=\"146\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/47-2.png\" alt=\"\" class=\"wp-image-742\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/47-2.png 530w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/47-2-300x83.png 300w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u636e\u540c\u6b65\u5b8c\u6210\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"530\" height=\"150\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/48-1.png\" alt=\"\" class=\"wp-image-743\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/48-1.png 530w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/03\/48-1-300x85.png 300w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">mdadm<strong>\u53c2\u6570\u8bf4\u660e\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\"><li> -a  \uff1a \u68c0\u6d4b\u8bbe\u5907\u540d\u79f0 <\/li><li> -n  \uff1a \u6307\u5b9a\u8bbe\u5907\u6570\u91cf <\/li><li> -l  \uff1a \u6307\u5b9a RAID \u7ea7\u522b <\/li><li> -C  \uff1a \u521b\u5efa <\/li><li> -v  \uff1a \u663e\u793a\u8fc7\u7a0b <\/li><li> -f  \uff1a \u6a21\u62df\u8bbe\u5907\u635f\u574f <\/li><li> -r  \uff1a \u79fb\u9664\u8bbe\u5907 <\/li><li> -Q  \uff1a \u67e5\u770b\u6458\u8981\u4fe1\u606f <\/li><li> -D  \uff1a \u67e5\u770b\u8be6\u7ec6\u4fe1\u606f <\/li><li> -S  \uff1a \u505c\u6b62 RAID \u78c1\u76d8\u9635\u5217 <\/li><li>-x\uff1a\u6307\u5b9a\u70ed\u5907\u76d8\u7684\u6570\u91cf<\/li><\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"433\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/9-1.png\" alt=\"\" class=\"wp-image-3505\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/9-1.png 660w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/9-1-300x197.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/9-1-600x394.png 600w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662fraid\uff1f RAID \u6280\u672f\u901a\u8fc7\u628a\u591a\u4e2a\u786c\u76d8\u8bbe\u5907\u7ec4\u5408\u6210\u4e00\u4e2a\u5bb9\u91cf\u66f4\u5927\u3001\u5b89\u5168\u6027\u66f4\u597d\u7684\u78c1\u76d8\u9635\u5217\uff0c\u5e76\u628a\u6570\u636e\u5207\u5272\u6210\u591a\u4e2a [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":747,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,22],"tags":[66],"class_list":["post-279","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-server","tag-raid"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/279","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/comments?post=279"}],"version-history":[{"count":26,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/279\/revisions"}],"predecessor-version":[{"id":3507,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/279\/revisions\/3507"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media\/747"}],"wp:attachment":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media?parent=279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/categories?post=279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/tags?post=279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}