{"id":163857,"date":"2012-12-25T13:14:03","date_gmt":"2012-12-25T09:14:03","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=163857"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=163857","title":{"rendered":"<span class=\"post_title\">EBS RAID \u0434\u043b\u044f \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0438 \u044d\u043a\u043e\u043d\u043e\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u044d\u0444\u0444\u0435\u043a\u0442\u0430<\/span>"},"content":{"rendered":"<div class=\"content html_format\">   \t\u041f\u0440\u0438\u0432\u0435\u0442! <img decoding=\"async\" src=\"http:\/\/habrastorage.org\/storage2\/de2\/8d5\/cd3\/de28d5cd30892edd8b0d669b656dfede.png\" alt=\"image\" align=\"right\"\/><\/p>\n<p>  \u0412\u0447\u0435\u0440\u0430 \u044f \u043d\u0430\u043f\u0438\u0441\u0430\u043b <a href=\"http:\/\/habrahabr.ru\/company\/epam_systems\/blog\/163777\/\">\u0441\u0442\u0430\u0442\u044c\u044e<\/a> \u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 EBS. \u041e\u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u0431\u0443\u0434\u0435\u0442 RAID 10 \u0438\u0437 EBSo\u0432. \u041f\u043e\u043c\u0438\u043c\u043e \u0442\u043e\u0433\u043e, \u0447\u0442\u043e RAID \u0431\u044b\u0441\u0442\u0440\u0435\u0435, \u044d\u0442\u043e \u0435\u0449\u0451 \u0438 \u044d\u043a\u043e\u043d\u043e\u043c\u0438\u0447\u0435\u0441\u043a\u0438 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0433\u043e\u0434\u043d\u043e. \u041c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0442\u043e\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u043c\u0435\u0441\u044f\u0446 EBS \u0434\u0438\u0441\u043a\u0430 \u0441 <b>2000 IOPS<\/b> (\u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 200 GB)<\/p>\n<p>  200 * $0.125 + 2000 * $0.10 = <b>$225<\/b><\/p>\n<p>  \u0422\u043e\u0442 \u0436\u0435 \u043e\u0431\u044a\u0451\u043c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0432 200 GB \u0432 RAID10, \u0441\u043e\u0441\u0442\u043e\u044f\u0449\u0438\u0439 \u0438\u0437 <b>8 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0445 EBS<\/b> \u043f\u043e 50 GB:<\/p>\n<p>  8 * (50 * $0.10) = <b>$40<\/b><\/p>\n<p>  \u0418\u0441\u0445\u043e\u0434\u044f \u0438\u0437 \u0440\u0430\u0441\u0447\u0451\u0442\u043e\u0432, RAID \u0434\u0435\u0448\u0435\u0432\u043b\u0435 <i>\u0431\u043e\u043b\u0435\u0435 \u0447\u0435\u043c \u0432 \u043f\u044f\u0442\u044c \u0441 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u043e\u0439 \u0440\u0430\u0437<\/i>.<br \/>  <a name=\"habracut\"><\/a> <br \/>  \u041a\u0430\u043a \u0436\u0435 \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0442\u0430\u043a\u043e\u0439 RAID 10 \u0431\u044b\u0441\u0442\u0440\u043e?<\/p>\n<p>  \u0423\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u0435 <a href=\"http:\/\/habrahabr.ru\/company\/epam_systems\/blog\/163643\/\">CLI<\/a>. \u0418 \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u0435 \u043a\u043e\u043c\u0430\u043d\u0434\u0443:  <\/p>\n<pre><code class=\"bash\">$ for x in {1..8}; do \\             aws ec2 attach-volume --instance-id  i-0000000 --device \/dev\/sdr${x} \\                         --volume-id `aws ec2 create-volume --availability-zone us-east-1d --size 50 | \\                               grep vol-  | awk -F '&quot;' {'print $4'}`; \\             done <\/code><\/pre>\n<p>  Instance-ID \u0438 AZ \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u044c\u0442\u0435 \u0441\u0432\u043e\u0439.<\/p>\n<p>  \u0414\u0430\u043b\u0435\u0435 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u0435 \u043a\u043e\u043c\u0430\u043d\u0434\u0443:  <\/p>\n<pre><code class=\"bash\"># mdadm --create -l10 -n8 \/dev\/md1 \/dev\/sdr*         mdadm: Defaulting to version 1.2 metadata         mdadm: array \/dev\/md1 started. <\/code><\/pre>\n<p>  \u0412 fdisk \u043f\u043e\u044f\u0432\u0438\u0442\u0441\u044f \u0447\u0442\u043e-\u0442\u043e \u0442\u0438\u043f\u0430:  <\/p>\n<pre><code class=\"bash\">Disk \/dev\/md1: 214.7 GB, 214742073344 bytes 2 heads, 4 sectors\/track, 52427264 cylinders Units = cylinders of 8 * 512 = 4096 bytes Sector size (logical\/physical): 512 bytes \/ 512 bytes I\/O size (minimum\/optimal): 524288 bytes \/ 2097152 bytes Disk identifier: 0x00000000 <\/code><\/pre>\n<p>  \u0412\u043e\u0442 \u0438 \u0432\u0441\u0451, \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u0440\u0430\u0437\u0434\u0435\u043b\u044b, \u0444\u043e\u0440\u043c\u0430\u0442\u0438\u0440\u0443\u0439\u0442\u0435 \u0438 \u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435\u0441\u044c! \u0414\u0430\u2026 \u044d\u0442\u043e \u0441\u043e\u0444\u0442\u043e\u0432\u044b\u0439 RAID, \u043f\u043e\u0441\u0435\u043c\u0443 \u043d\u0430\u043f\u0440\u044f\u0433 \u043d\u0430 \u0440\u0435\u0441\u0443\u0440\u0441\u044b \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430 \u0432\u044b \u0434\u043e\u043b\u0436\u043d\u044b \u0437\u0430\u043a\u043b\u0430\u0434\u044b\u0432\u0430\u0442\u044c \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e.    \t   \t<\/p>\n<div class=\"clear\"><\/div>\n<\/p><\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"http:\/\/habrahabr.ru\/company\/epam_systems\/blog\/163857\/\"> http:\/\/habrahabr.ru\/company\/epam_systems\/blog\/163857\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"content html_format\">   \t\u041f\u0440\u0438\u0432\u0435\u0442! <img decoding=\"async\" src=\"http:\/\/habrastorage.org\/storage2\/de2\/8d5\/cd3\/de28d5cd30892edd8b0d669b656dfede.png\" alt=\"image\" align=\"right\"\/><\/p>\n<p>  \u0412\u0447\u0435\u0440\u0430 \u044f \u043d\u0430\u043f\u0438\u0441\u0430\u043b <a href=\"http:\/\/habrahabr.ru\/company\/epam_systems\/blog\/163777\/\">\u0441\u0442\u0430\u0442\u044c\u044e<\/a> \u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 EBS. \u041e\u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u0431\u0443\u0434\u0435\u0442 RAID 10 \u0438\u0437 EBSo\u0432. \u041f\u043e\u043c\u0438\u043c\u043e \u0442\u043e\u0433\u043e, \u0447\u0442\u043e RAID \u0431\u044b\u0441\u0442\u0440\u0435\u0435, \u044d\u0442\u043e \u0435\u0449\u0451 \u0438 \u044d\u043a\u043e\u043d\u043e\u043c\u0438\u0447\u0435\u0441\u043a\u0438 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0433\u043e\u0434\u043d\u043e. \u041c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0442\u043e\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u043c\u0435\u0441\u044f\u0446 EBS \u0434\u0438\u0441\u043a\u0430 \u0441 <b>2000 IOPS<\/b> (\u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 200 GB)<\/p>\n<p>  200 * $0.125 + 2000 * $0.10 = <b>$225<\/b><\/p>\n<p>  \u0422\u043e\u0442 \u0436\u0435 \u043e\u0431\u044a\u0451\u043c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0432 200 GB \u0432 RAID10, \u0441\u043e\u0441\u0442\u043e\u044f\u0449\u0438\u0439 \u0438\u0437 <b>8 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0445 EBS<\/b> \u043f\u043e 50 GB:<\/p>\n<p>  8 * (50 * $0.10) = <b>$40<\/b><\/p>\n<p>  \u0418\u0441\u0445\u043e\u0434\u044f \u0438\u0437 \u0440\u0430\u0441\u0447\u0451\u0442\u043e\u0432, RAID \u0434\u0435\u0448\u0435\u0432\u043b\u0435 <i>\u0431\u043e\u043b\u0435\u0435 \u0447\u0435\u043c \u0432 \u043f\u044f\u0442\u044c \u0441 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u043e\u0439 \u0440\u0430\u0437<\/i>.  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-163857","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/163857","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=163857"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/163857\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=163857"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=163857"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=163857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}