{"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\/nl\/blog\/news\/avtor-bcachefs-predstavil-patchi-dlya-ispravleniya-fs-razrushennyh-nedavnej-oshibkoj","title":{"rendered":"De auteur van Bcachefs heeft patches gepresenteerd om het bestandssysteem te herstellen dat is beschadigd door een recente bug","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kent Overstreet, ontwikkelaar van het bestandssysteem Bcachefs, heeft patches voorgesteld die het Linux-kernel mogelijk maken om met het bestandssysteem Bcachefs te werken, zelfs na schade aan een aanzienlijk volume metadata, waarbij eventueel beschadigde b-bomen kunnen worden herbouwd op basis van metadata uit inode- en dirent-structuren. De wijzigingen zijn geaccepteerd door Linus Torvalds en zijn opgenomen in de huidige testupdate van kernel 6.9-rc3. <\/p>\n

De veranderingen zorgen voor de mogelijkheid om beschadigde bestandssystemen te monteren en bieden toegang tot alle of bijna alle gegevens in het bestandssysteem die zijn aangetast door een recente fout die leidde tot de vernietiging van het bestandssysteem. De fout deed zich voor wanneer na een update van de toolset een poging tot het bijwerken van de structuren van het bestandssysteem werd ondernomen maar niet werd voltooid, waarna de kernel met de oude implementatie van Bcachefs een poging deed om de versie van de structuren terug te draaien, terwijl de onvoltooide update werd genegeerd. Een dergelijke situatie leidde tot het ingaan van de 'split brain mode', waarbij geen van de bewerkingen kan worden voltooid en de b-tree structuren van het bestandssysteem niet langer consistent zijn met de werkelijke inhoud. <\/p>\n

De genoemde patch maakt het mogelijk om door te gaan met werken, zelfs in dergelijke gevallen. Een van de beperkingen van de technologie is dat als er snapshots zijn, de b-tree van de snapshots aanwezig moet zijn en in goede staat moet verkeren.
\n
Bron: 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\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\udd47De auteur van Bcachefs heeft patches gepresenteerd om bestandssystemen te herstellen die zijn beschadigd door een recente fout | ProHoster","description":"Kent Overstreet, ontwikkelaar van het bestandssysteem Bcachefs, 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