{"id":114884,"date":"2024-04-08T09:15:21","date_gmt":"2024-04-08T07:15:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/avtor-bcachefs-predstavil-patchi-dlya-ispravleniya-fs-razrushennyh-nedavnej-oshibkoj"},"modified":"2024-04-08T09:15:21","modified_gmt":"2024-04-08T07:15:21","slug":"avtor-bcachefs-predstavil-patchi-dlya-ispravleniya-fs-razrushennyh-nedavnej-oshibkoj","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/avtor-bcachefs-predstavil-patchi-dlya-ispravleniya-fs-razrushennyh-nedavnej-oshibkoj","title":{"rendered":"L'auteur de Bcachefs a pr\u00e9sent\u00e9 des correctifs pour r\u00e9parer les syst\u00e8mes de fichiers endommag\u00e9s par une r\u00e9cente erreur.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kent Overstreet, le d\u00e9veloppeur du syst\u00e8me de fichiers Bcachefs, a propos\u00e9 des correctifs permettant au noyau Linux de travailler avec le syst\u00e8me de fichiers Bcachefs m\u00eame apr\u00e8s l'endommagement d'un volume substantiel de m\u00e9tadonn\u00e9es, en reconstruisant si n\u00e9cessaire les arbres B endommag\u00e9s \u00e0 partir des m\u00e9tadonn\u00e9es des structures inode et dirent. Les modifications ont \u00e9t\u00e9 accept\u00e9es par Linus Torvalds et int\u00e9gr\u00e9es dans la mise \u00e0 jour de test actuelle du noyau 6.9-rc3. <\/p>\n

Les modifications permettent le montage de syst\u00e8mes de fichiers endommag\u00e9s et offrent l'acc\u00e8s \u00e0 toutes ou presque toutes les donn\u00e9es dans le syst\u00e8me de fichiers touch\u00e9 par un bogue r\u00e9cent, qui a conduit \u00e0 la destruction du syst\u00e8me de fichiers. Le bogue se manifestait lorsque, apr\u00e8s la mise \u00e0 jour des outils, une tentative de mise \u00e0 jour des structures du syst\u00e8me de fichiers \u00e9tait entreprise mais non termin\u00e9e, provoquant l'ancien noyau de Bcachefs \u00e0 tenter de r\u00e9trograder la version des structures, ignorant la mise \u00e0 jour inachev\u00e9e. Une telle situation entra\u00eenait un passage en mode \u00ab split brain \u00bb, o\u00f9 aucune des op\u00e9rations ne pouvait \u00eatre achev\u00e9e, rendant les structures b-tree du syst\u00e8me de fichiers non coh\u00e9rentes avec le contenu r\u00e9el. <\/p>\n

Le correctif mentionn\u00e9 permet de continuer \u00e0 fonctionner m\u00eame dans de tels cas. Parmi les limitations de la technologie, il est mentionn\u00e9 que, lors de la pr\u00e9sence de snapshots, l'arbre B des snapshots doit \u00eatre pr\u00e9sent et en bon \u00e9tat.
\n
Source : opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u0435\u043d\u0442 \u041e\u0432\u0435\u0440\u0441\u0442\u0440\u0438\u0442 (Kent Overstreet), \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u0424\u0421 Bcachefs, \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b \u043f\u0430\u0442\u0447\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u044f\u0434\u0440\u0443 Linux \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u0424\u0421 Bcachefs \u0434\u0430\u0436\u0435 \u043f\u043e\u0441\u043b\u0435 \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044f \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u043e\u0431\u044a\u0451\u043c\u0430 \u043c\u0435\u0442\u0430\u0434\u0430\u043d\u043d\u044b\u0445, \u043f\u0440\u0438 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0435\u0440\u0435\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u044f \u0438\u0441\u043f\u043e\u0440\u0447\u0435\u043d\u043d\u044b\u0435 b-\u0434\u0435\u0440\u0435\u0432\u044c\u044f \u043f\u043e \u043c\u0435\u0442\u0430\u0434\u0430\u043d\u043d\u044b\u043c \u0438\u0437 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440 inode \u0438 dirent. \u0418\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u043d\u044f\u0442\u044b \u041b\u0438\u043d\u0443\u0441\u043e\u043c \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441\u043e\u043c \u0438 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u044b \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u0441\u0435\u0433\u043e\u0434\u043d\u044f\u0448\u043d\u0435\u0433\u043e \u0442\u0435\u0441\u0442\u043e\u0432\u043e\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u044f\u0434\u0440\u0430 6.9-rc3. \u0418\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0442 \u043c\u043e\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0451\u043d\u043d\u044b\u0445 \u0424\u0421 \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442 \u0434\u043e\u0441\u0442\u0443\u043f […]<\/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":[702],"tags":[],"class_list":["post-114884","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47L'auteur de Bcachefs a pr\u00e9sent\u00e9 des correctifs pour r\u00e9parer les syst\u00e8mes de fichiers endommag\u00e9s par une r\u00e9cente erreur | ProHoster","description":"Kent Overstreet, le d\u00e9veloppeur du syst\u00e8me de fichiers Bcachefs, a propos\u00e9 des correctifs permettant au noyau Linux de travailler avec le syst\u00e8me de fichiers Bcachefs m\u00eame apr\u00e8s l'endommagement d'un volume substantiel de m\u00e9tadonn\u00e9es, en reconstruisant si n\u00e9cessaire.","canonical_url":"https:\/\/prohoster.info\/fr\/blog\/news\/avtor-bcachefs-predstavil-patchi-dlya-ispravleniya-fs-razrushennyh-nedavnej-oshibkoj","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"fr_FR","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0410\u0432\u0442\u043e\u0440 Bcachefs 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