{"id":962,"date":"2020-01-30T08:52:51","date_gmt":"2020-01-30T00:52:51","guid":{"rendered":"http:\/\/cmesoft.com\/?p=962"},"modified":"2020-01-30T08:56:34","modified_gmt":"2020-01-30T00:56:34","slug":"centos7u6-%e9%85%8d%e7%bd%ae%e5%a4%9a%e4%b8%aa%e6%9c%ac%e5%9c%b0%e7%9b%98%e5%81%9araid10","status":"publish","type":"post","link":"http:\/\/cmesoft.com\/?p=962","title":{"rendered":"Centos7u6 \u914d\u7f6e\u591a\u4e2a\u672c\u5730\u76d8\u505a RAID10"},"content":{"rendered":"

\"\"<\/p>\n

(1) \u5b89\u88c5\u8f6f\u4ef6\u5305<\/h2>\n


\nsudo yum install mdadm
\n<\/code><\/p>\n

(2) \u67e5\u770b\u78c1\u76d8\u4fe1\u606f<\/h2>\n


\nsudo fdisk -l | grep --color=auto 3840 | awk '{print $2}'
\n\/dev\/nvme4n1:
\n\/dev\/nvme2n1:
\n\/dev\/nvme3n1:
\n\/dev\/nvme6n1:
\n\/dev\/nvme5n1:
\n\/dev\/nvme11n1:
\n\/dev\/nvme7n1:
\n\/dev\/nvme9n1:
\n\/dev\/nvme8n1:
\n\/dev\/nvme10n1:
\n\/dev\/nvme0n1:
\n\/dev\/nvme1n1:
\n<\/code><\/p>\n

(3) \u521b\u5efaraid\u8bbe\u5907<\/h2>\n


\nsudo mdadm -C --metadata=1.0 -v \/dev\/md10 -l 10 -a yes -n 12 \/dev\/nvme0n1 \/dev\/nvme10n1 \/dev\/nvme11n1 \/dev\/nvme1n1 \/dev\/nvme2n1 \/dev\/nvme3n1 \/dev\/nvme4n1 \/dev\/nvme5n1 \/dev\/nvme6n1 \/dev\/nvme7n1 \/dev\/nvme8n1 \/dev\/nvme9n1
\n<\/code><\/p>\n

(4) \u683c\u5f0f\u5316\u78c1\u76d8<\/h2>\n


\nsudo mkfs.ext4 \/dev\/md10
\n<\/code><\/p>\n

(5) \u5b58\u50a8mdadm.conf \u5185\u5bb9<\/h2>\n

\u6e05\u7a7a\u6bcf\u4e2a\u76d8\u7684\u8d85\u7ea7\u5757\uff1a<\/h3>\n


\nfor((i=0;i<=11;i++)); do dd if=\/dev\/zero of=\/dev\/nvme${i}n1 bs=1M count=10 oflag=direct; done
\n<\/code><\/p>\n

\u751f\u6210\u914d\u7f6e\u6587\u4ef6<\/h3>\n


\necho \"DEVICE \/dev\/nvme0n1 \/dev\/nvme10n1 \/dev\/nvme11n1 \/dev\/nvme1n1 \/dev\/nvme2n1 \/dev\/nvme3n1 \/dev\/nvme4n1 \/dev\/nvme5n1 \/dev\/nvme6n1 \/dev\/nvme7n1 \/dev\/nvme8n1 \/dev\/nvme9n1\" > mdadm.conf
\nsudo mdadm -Ds >> mdadm.conf
\nsudo mv mdadm.conf \/etc\/
\n<\/code>
\n\u5185\u5bb9\u5982\u4e0b\uff1a
\n
\nDEVICE \/dev\/nvme0n1 \/dev\/nvme10n1 \/dev\/nvme11n1 \/dev\/nvme1n1 \/dev\/nvme2n1 \/dev\/nvme3n1 \/dev\/nvme4n1 \/dev\/nvme5n1 \/dev\/nvme6n1 \/dev\/nvme7n1 \/dev\/nvme8n1 \/dev\/nvme9n1
\nARRAY \/dev\/md10 metadata=1.0 name=g87c05434.cloud.et91:10 UUID=471a5242:a9272664:438f0881:ab3889bf
\n<\/code><\/p>\n

(6)\u5c1d\u8bd5\u6302\u8f7d<\/h2>\n

\u5728 \/etc\/fstab\u6dfb\u52a0\u4e00\u884c
\n
\n\/dev\/md10 \/data ext4 defaults,noatime,nofail 0 0
\n<\/code>
\n\u7136\u540e
\n
\nsudo mkdir \/data
\nsudo mount -a
\n<\/code>
\n\u67e5\u770b\u4e0b
\n
\n df -h
\nFilesystem Size Used Avail Use% Mounted on
\n\/dev\/sda3 50G 2.7G 44G 6% \/
\n\/dev\/md10 21T 20K 20T 1% \/data
\n<\/code><\/p>\n

(7)\u6d4b\u8bd5\u4e8e\u6392\u67e5<\/h2>\n

1.\u6ce8\u91ca\u6389 fstab \u4e2d\u7684\u5185\u5bb9\uff0c\u7136\u540ereboot\u91cd\u542f\u67e5\u770b\u80fd\u5426\u52a0\u8f7d\u4e0a\u6765\/dev\/md0
\n2.\u5982\u679c\u91cd\u542f\u65f6raid\u4fe1\u606f\u4e22\u5931
\nmdadm -As -v \u63d0\u793a\u627e\u4e0d\u5230superblock\u5565\u7684\uff0c\u53ef\u80fd\u8ddf HDD\/SSD\u76d8\u6709\u5173\uff0c\u6ce8\u610f\u66f4\u6362\u4e0b –metadata=xx\u7684\u7248\u672c\uff0c\u6bd4\u5982 0.9,1.0\u6216\u80051.2
\n3.\u53c2\u8003\uff1ahttps:\/\/www.cnblogs.com\/lpfuture\/p\/6385657.html?utm_source=itdadao&utm_medium=referral<\/p>\n","protected":false},"excerpt":{"rendered":"

(1) \u5b89\u88c5\u8f6f\u4ef6\u5305 sudo yum install mdadm (2) \u67e5\u770b\u78c1\u76d8\u4fe1\u606f sudo fdisk … Read More »Centos7u6 \u914d\u7f6e\u591a\u4e2a\u672c\u5730\u76d8\u505a RAID10<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-962","post","type-post","status-publish","format-standard","hentry","category-11"],"_links":{"self":[{"href":"http:\/\/cmesoft.com\/index.php?rest_route=\/wp\/v2\/posts\/962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/cmesoft.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/cmesoft.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/cmesoft.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/cmesoft.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=962"}],"version-history":[{"count":4,"href":"http:\/\/cmesoft.com\/index.php?rest_route=\/wp\/v2\/posts\/962\/revisions"}],"predecessor-version":[{"id":967,"href":"http:\/\/cmesoft.com\/index.php?rest_route=\/wp\/v2\/posts\/962\/revisions\/967"}],"wp:attachment":[{"href":"http:\/\/cmesoft.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/cmesoft.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=962"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/cmesoft.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}