{"id":372,"date":"2010-07-29T18:58:49","date_gmt":"2010-07-29T18:58:49","guid":{"rendered":"http:\/\/esferas.org\/msqlu\/2010\/07\/29\/aaadiendo-un-disco-a-un-raid\/"},"modified":"2010-07-29T18:58:49","modified_gmt":"2010-07-29T18:58:49","slug":"aaadiendo-un-disco-a-un-raid","status":"publish","type":"post","link":"https:\/\/esferas.org\/msqlu\/2010\/07\/29\/aaadiendo-un-disco-a-un-raid\/","title":{"rendered":"A\u00f1adiendo un disco a un RAID"},"content":{"rendered":"<div class='__iawmlf-post-loop-links' style='display:none;' data-iawmlf-post-links='[{&quot;id&quot;:1759,&quot;href&quot;:&quot;http:\\\/\\\/scotgate.org\\\/2006\\\/07\\\/03\\\/growing-a-raid5-array-mdadm&quot;,&quot;archived_href&quot;:&quot;https:\\\/\\\/web-wp.archive.org\\\/web\\\/20260416010907\\\/https:\\\/\\\/www.scotgate.org\\\/2006\\\/07\\\/03\\\/growing-a-raid5-array-mdadm\\\/&quot;,&quot;redirect_href&quot;:&quot;https:\\\/\\\/www.scotgate.org\\\/2006\\\/07\\\/03\\\/growing-a-raid5-array-mdadm&quot;,&quot;checks&quot;:[],&quot;broken&quot;:false,&quot;last_checked&quot;:null,&quot;process&quot;:&quot;done&quot;}]'><\/div>\n<p>Despu\u00e9s de la <a href=\"\/dotclear\/index.php?post\/2010\/06\/05\/Reconstruyendo-la-secuencia-de-hechos-...\">hecatombe<\/a> de discos de hace unas semanas por fin he podido completar el RAID.<\/p>\n<p><!--more--><\/p>\n<p>Ha sido relativamente sencillo aunque no exento de cierta tensi\u00f3n porque la documentaci\u00f3n da cosas por sentado y no siempre es sencillo acertar a la primera cuando trabajas en un entorno de explotaci\u00f3n.<\/p>\n<p>Resumiendo para no aburrir: tras instalar el disco f\u00edsicamente y comprobar que es reconocido por el n\u00facleo en el arranque copio la estructura l\u00f3gica del disco existente sobre el nuevo:<\/p>\n<pre>\n# sfdisk -d \/dev\/sdb | sfdisk \/dev\/sdc\n<\/pre>\n<p>Despu\u00e9s le a\u00f1ado el disco al <a href=\"\/dotclear\/index.php?tag\/RAID\">RAID<\/a>:<\/p>\n<pre>\n# mdadm \/dev\/md0 --add \/dev\/sdc1\n<\/pre>\n<p>y, tras consultar esta l\u00facida <a href=\"http:\/\/scotgate.org\/2006\/07\/03\/growing-a-raid5-array-mdadm\/\">referencia<\/a> lo convierto en activo con:<\/p>\n<pre>\n# mdadm --grow \/dev\/md0 --raid-devices=2\n# cat \/proc\/mdstat\nPersonalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]\nmd0 : active raid1 sdc1[2] sdb1[0]\n976559104 blocks [2\/1] [U_]\n[=&gt;...................]  recovery =  6.8% (66531904\/976559104) finish=103.7min speed=146164K\/sec\nunused devices: &lt;none&gt;\n<\/pre>\n<p>Y no se nota nada en el sistema. Tanto que he podido entrar en sesi\u00f3n gr\u00e1fica remota con todo el arranque de <a href=\"\/dotclear\/index.php?tag\/KDE\">KDE<\/a> que comporta, y tambi\u00e9n he comprobado que se estaba realizando una copia de seguridad (que ya es casualidad) que ha terminado correctamente.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Despu\u00e9s de la hecatombe de discos de hace unas semanas por fin he podido completar el RAID.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","webmentions_disabled_pings":false,"webmentions_disabled":false,"footnotes":""},"categories":[5],"tags":[288,272],"class_list":["post-372","post","type-post","status-publish","format-standard","hentry","category-hardware","tag-kde","tag-raid"],"_links":{"self":[{"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/posts\/372","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/comments?post=372"}],"version-history":[{"count":0,"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/posts\/372\/revisions"}],"wp:attachment":[{"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/media?parent=372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/categories?post=372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/tags?post=372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}