{"id":30690,"date":"2019-10-31T21:36:54","date_gmt":"2019-10-31T18:36:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/spasenie-razdela-v-debian-kogda-poshlo-chto-to-ne-tak\/"},"modified":"2019-10-31T21:36:54","modified_gmt":"2019-10-31T18:36:54","slug":"spasenie-razdela-v-debian-kogda-poshlo-chto-to-ne-tak","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/administrirovanie\/spasenie-razdela-v-debian-kogda-poshlo-chto-to-ne-tak","title":{"rendered":"Sauver une section dans Debian, quand quelque chose ne va pas","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bonjour, chers <br \/>\nL'histoire a eu lieu un jeudi soir, et l'un de nos administrateurs devait redimensionner un disque sur l'une des machines virtuelles KVM. Cela semblait \u00eatre une t\u00e2che triviale, mais elle peut conduire \u00e0 une perte totale de donn\u00e9es... Et donc... toute l'histoire est d\u00e9j\u00e0 sous le saut.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nComme je l'ai d\u00e9j\u00e0 dit \u2014 jeudi soir (il ne pleuvait pas apparemment), l'un de nos administrateurs a d\u00e9cid\u00e9 de r\u00e9aliser une t\u00e2che qui lui avait \u00e9t\u00e9 confi\u00e9e depuis longtemps et d'augmenter la taille du syst\u00e8me de fichiers \u00e0 l'int\u00e9rieur de la machine virtuelle. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4366\">KVM<\/a>.<\/p>\n<p>Au pr\u00e9alable, j'avais d\u00e9j\u00e0 augment\u00e9 la taille du disque de 14 Go \u00e0 60 Go, et l'administrateur devait simplement augmenter la taille du syst\u00e8me de fichiers \u00e0 l'int\u00e9rieur de la machine virtuelle.<\/p>\n<p>Vers minuit, l'administrateur envoie un message \u2014 il demande si la partition doit \u00eatre \u00e9tendue ou primaire... En r\u00e9ponse, je lui ai \u00e9crit qu'il fallait faire comme cela avait \u00e9t\u00e9 fait auparavant sur la machine virtuelle. <\/p>\n<p>Le temps passait... et l'administrateur m'envoie un message indiquant qu'il a eu des erreurs, que l'expansion de la partition ne fonctionnait pas... et elle a cess\u00e9 de se monter... il \u00e9tait d\u00e9j\u00e0 2 heures du matin...<\/p>\n<p>Je lui ai \u00e9crit de ne plus rien faire et de laisser la machine virtuelle tranquille et je suis moi-m\u00eame all\u00e9 faire une copie de l'image disque de la VM \u2014 nomm\u00e9e vmname_bad.<\/p>\n<p>Tout cela \u00e9tait compliqu\u00e9 par le fait que l'administrateur n'avait pas fait de snapshot et n'avait pas copi\u00e9 la partition avant ses actions... Avec cette information, il aurait \u00e9t\u00e9 possible de revenir en arri\u00e8re et d'essayer encore une fois.<\/p>\n<p>Le matin, avec des pens\u00e9es fra\u00eeches, je red\u00e9marre la machine virtuelle avec le m\u00eame syst\u00e8me d'exploitation (Debian 9) et connecte le disque. Gr\u00e2ce \u00e0 fdisk, je vois que ce disque est d\u00e9j\u00e0 \u00e9tendu \u00e0 60 Go et la partition... qui est l\u00e9g\u00e8rement corrompue. <\/p>\n<p>J'essaie, \u00e0 partir des captures d'\u00e9cran fournies par l'administrateur, de trouver la partition pr\u00e9c\u00e9dente, mais en vain. J'essaie de deviner les valeurs avec fdisk, mais toutes mes tentatives \u00e9chouent.<\/p>\n<p>Comme fdisk ne peut m'aider... j'appelle \u00e0 l'aide parted. Je lance parted \u2014 je supprime l'ancienne partition rm 2 et connaissant des valeurs approximatives de la partition, je fais un rescue \u2014 je sp\u00e9cifie la valeur de d\u00e9but et la valeur de fin o\u00f9 la partition pourrait se trouver. Apr\u00e8s une minute d'attente, parted trouve la partition et propose de l'int\u00e9grer dans le syst\u00e8me \u2014 j'ai accept\u00e9 et quitt\u00e9 parted.<\/p>\n<p>Je monte la partition \u2014 tout va bien. Les fichiers sont tous l\u00e0, mais la taille est encore ancienne, 14 Go. J'ai d\u00e9mont\u00e9 \/dev\/sdd1 et j'ai fait resize2fs \/dev\/sdd1, puis e2fsck \/dev\/sdd1, et je monte de nouveau pour voir que la partition est maintenant \u00e9tendue avec tous les fichiers et fonctionne bien. <\/p>\n<p>Tout s'est bien termin\u00e9 pour moi et pour l'administrateur.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/446252\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0431\u0440\u044b\u0439 \u0434\u0435\u043d\u044c, \u0443\u0432\u0430\u0436\u0430\u0435\u043c\u044b\u0435 \u0414\u0435\u043b\u043e \u0431\u044b\u043b\u043e \u0432\u0435\u0447\u0435\u0440\u043e\u043c \u0432 \u0447\u0435\u0442\u0432\u0435\u0440\u0433 \u0438 \u043e\u0434\u0438\u043d \u0438\u0437 \u043d\u0430\u0448\u0438\u0445 \u0430\u0434\u043c\u0438\u043d\u043e\u0432, \u0434\u043e\u043b\u0436\u0435\u043d \u0431\u044b\u043b \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0440\u0430\u0437\u043c\u0435\u0440\u0430 \u0434\u0438\u0441\u043a\u0430 \u043d\u0430 \u043e\u0434\u043d\u043e\u0439 \u0438\u0437 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u043e\u043a KVM. \u041a\u0430\u0437\u0430\u043b\u043e\u0441\u044c \u0431\u044b \u0441\u043e\u0432\u0441\u0435\u043c \u0442\u0440\u0438\u0432\u0438\u0430\u043b\u044c\u043d\u0430\u044f \u0437\u0430\u0434\u0430\u0447\u0430, \u043d\u043e \u043e\u043d\u0430 \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u043f\u043e\u0442\u0435\u0440\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432\u043e\u043e\u0431\u0449\u0435\u2026 \u0418 \u0442\u0430\u043a\u2026 \u0432\u0441\u044f \u0438\u0441\u0442\u043e\u0440\u0438\u044f \u0443\u0436\u0435 \u043f\u043e\u0434 \u043a\u0430\u0442\u043e\u043c \u041a\u0430\u043a \u044f \u0443\u0436\u0435 \u0441\u043a\u0430\u0437\u0430\u043b \u2014 \u0432\u0435\u0447\u0435\u0440\u043e\u043c \u0432 \u0447\u0435\u0442\u0432\u0435\u0440\u0433 (\u0434\u043e\u0436\u0434\u0438\u043a\u0430 \u0432\u0440\u043e\u0434\u0435 \u043a\u0430\u043a [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-30690","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - 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