{"id":31,"date":"2008-11-02T17:52:46","date_gmt":"2008-11-02T15:52:46","guid":{"rendered":"http:\/\/www.superkikim.com\/?p=31"},"modified":"2008-12-08T23:42:26","modified_gmt":"2008-12-08T22:42:26","slug":"suppression-dun-volume-raid-soft","status":"publish","type":"post","link":"https:\/\/akim.sissaoui.com\/en\/informatique\/suppression-dun-volume-raid-soft\/","title":{"rendered":"Suppression d&#8217;un volume RAID Soft"},"content":{"rendered":"<p>Information plut\u00f4t difficile \u00e0 trouver simplement. Voici donc la proc\u00e9dure, simple mais efficace.<\/p>\n<p><!--more-->Consid\u00e9rons le sc\u00e9nario suivant:<\/p>\n<p>\/dev\/md3 est un volume RAID1 compos\u00e9 de \/dev\/sda3 et \/dev\/sdb3. Le point de montage \/dev\/md3 est \/home. Vous souhaitez supprimer le RAID1, et remonter \/dev\/sd3 en volume simple sans en perdre les donn\u00e9es.<\/p>\n<h3>Stopper le RAID<\/h3>\n<p><code>umount \/dev\/md3<br \/>\nmdadm --manage \/dev\/md3 --stop<br \/>\nrm \/dev\/md3<\/code><\/p>\n<h3>Supprimer les instances \/dev\/md3<\/h3>\n<p>Editer \/etc\/mdadm\/mdadm.conf et Mettre en remarque la ligne de \/dev\/md3:<\/p>\n<p><code>nano \/etc\/etc\/mdadm\/mdadm.conf<\/code><\/p>\n<p><code># definitions of existing MD arrays<br \/>\nARRAY \/dev\/md1 level=raid1 num-devices=2 UUID=xxxxxxxx:xxxxxxxx:xxxxxxxx:xxxxxxxx<br \/>\nARRAY \/dev\/md2 level=raid1 num-devices=2 UUID=xxxxxxxx:xxxxxxxx:xxxxxxxx:xxxxxxxx<br \/>\n# ARRAY \/dev\/md3 level=raid1 num-devices=2 UUID=xxxxxxxx:xxxxxxxx:xxxxxxxx:xxxxxxxx<\/code><\/p>\n<p>Puis supprimer le fichier \/dev\/md3:<br \/>\n<code>rm \/dev\/md3<\/code><\/p>\n<h3>Modifier le type de partition avec fdisk<\/h3>\n<p><code>fdisk \/dev\/sda<br \/>\nt\u00a0  # changer le type de partition)<br \/>\n3\u00a0          # S\u00e9lectionner la partition 3<br \/>\n83        # S\u00e9lectionner le type linux<br \/>\nw\u00a0         # \u00e9crire les changement dans la table des partitions<br \/>\n<\/code><\/p>\n<p>Effectuer la m\u00eame op\u00e9ration sur \/dev\/sdb.<\/p>\n<h3>Modifier le point de montage<\/h3>\n<p>Modifier le fichier fstab pour monter \/dev\/sda3 au lieu de \/dev\/md3:<\/p>\n<p><code>nano \/dev\/fstab<\/code><br \/>\n<code>\/dev\/md1       \/       ext3    errors=remount-ro       0       1<br \/>\n\/dev\/md2       \/var   ext3    defaults                0       2<br \/>\n# \/dev\/md3       \/home   ext3    defaults                0       2<br \/>\n\/dev\/sda3      \/home   ext3    defaults                0       2<\/code><\/p>\n<p>Vous pouvez rebooter. Vous n&#8217;aurez plus de volume miroir \/dev\/md3. Attention, bien entendu, \u00e0 partir de l\u00e0, les partitions \/dev\/sda3 et \/dev\/sdb3, bien qu&#8217;elles contiennent les m\u00eames donn\u00e9es parce qu&#8217;elles \u00e9taient dupliqu\u00e9es jusqu&#8217;alors, ne seront plus solidaires, mais bien deux partitions s\u00e9par\u00e9es.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Information plut\u00f4t difficile \u00e0 trouver simplement. Voici donc la proc\u00e9dure, simple mais efficace.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[220],"tags":[57,56,63,58,59,60,65,61,66,64],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/akim.sissaoui.com\/en\/wp-json\/wp\/v2\/posts\/31"}],"collection":[{"href":"https:\/\/akim.sissaoui.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/akim.sissaoui.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/akim.sissaoui.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/akim.sissaoui.com\/en\/wp-json\/wp\/v2\/comments?post=31"}],"version-history":[{"count":1,"href":"https:\/\/akim.sissaoui.com\/en\/wp-json\/wp\/v2\/posts\/31\/revisions"}],"predecessor-version":[{"id":127,"href":"https:\/\/akim.sissaoui.com\/en\/wp-json\/wp\/v2\/posts\/31\/revisions\/127"}],"wp:attachment":[{"href":"https:\/\/akim.sissaoui.com\/en\/wp-json\/wp\/v2\/media?parent=31"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/akim.sissaoui.com\/en\/wp-json\/wp\/v2\/categories?post=31"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/akim.sissaoui.com\/en\/wp-json\/wp\/v2\/tags?post=31"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}