{"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\/it\/blog\/novosti-interneta\/avtor-bcachefs-predstavil-patchi-dlya-ispravleniya-fs-razrushennyh-nedavnej-oshibkoj","title":{"rendered":"L'autore di Bcachefs ha presentato delle patch per correggere il filesystem danneggiato da un recente errore.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kent Overstreet, sviluppatore del file system Bcachefs, ha proposto delle patch che consentono al kernel Linux di lavorare con il file system Bcachefs anche dopo danneggiamenti significativi dei metadati, ricostruendo, se necessario, gli alberi b danneggiati dai metadati provenienti dalle strutture inode e dirent. Le modifiche sono state accettate da Linus Torvalds e incluse nell'odierno aggiornamento di test del kernel 6.9-rc3. <\/p>\n

Le modifiche consentono il montaggio di file system danneggiati e forniscono accesso a tutti o quasi tutti i dati nel file system colpito da un recente errore che portava alla sua corruzione. L'errore si manifestava quando, dopo l'aggiornamento degli strumenti, veniva intrapresa, ma non completata, un'operazione di aggiornamento delle strutture del file system, a seguito della quale il kernel con la vecchia implementazione di Bcachefs tentava un downgrade della versione delle strutture, ignorando l'aggiornamento incompleto. Questa situazione portava a uno stato di 'split brain mode', in cui nessuna delle operazioni poteva essere completata e le strutture b-tree del file system non erano pi\u00f9 consistenti con il contenuto reale. <\/p>\n

La patch menzionata consente di continuare a lavorare anche in situazioni simili. Tra i limiti della tecnologia si segnala che, in presenza di snapshot, l'albero b degli snapshot deve essere presente e funzionante.
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Fonte: 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-novosti-interneta"],"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'autore di Bcachefs ha presentato patch per riparare file system danneggiati a causa di un recente errore | ProHoster","description":"Kent Overstreet, sviluppatore del file system Bcachefs, ha proposto delle patch che consentono al kernel Linux di lavorare con il file system Bcachefs anche dopo danneggiamenti significativi dei metadati, ricostruendo, se necessario, gli alberi b danneggiati dai metadati provenienti dalle strutture inode e dirent. Le modifiche sono state accettate da Linus Torvalds e incluse nell'odierno aggiornamento di test del kernel 6.9-rc3. Le modifiche consentono il montaggio di file system danneggiati e forniscono accesso","canonical_url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/avtor-bcachefs-predstavil-patchi-dlya-ispravleniya-fs-razrushennyh-nedavnej-oshibkoj","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","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 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043f\u0430\u0442\u0447\u0438 \u0434\u043b\u044f \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0424\u0421, 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