{"id":111714,"date":"2023-11-23T15:10:22","date_gmt":"2023-11-23T13:10:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-openzfs-vyyavlena-oshibka-kotoraya-mozhet-privesti-k-povrezhdeniyu-fajlov"},"modified":"2023-11-23T15:10:22","modified_gmt":"2023-11-23T13:10:22","slug":"v-openzfs-vyyavlena-oshibka-kotoraya-mozhet-privesti-k-povrezhdeniyu-fajlov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/v-openzfs-vyyavlena-oshibka-kotoraya-mozhet-privesti-k-povrezhdeniyu-fajlov","title":{"rendered":"Une erreur a \u00e9t\u00e9 d\u00e9couverte dans OpenZFS, pouvant entra\u00eener des corruptions de fichiers.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Une version interm\u00e9diaire du projet OpenZFS 2.2.1 est disponible, d\u00e9veloppant l'impl\u00e9mentation du syst\u00e8me de fichiers ZFS pour Linux et FreeBSD. Cette version se distingue par l'ajout du support du noyau Linux 6.6 et tente de r\u00e9soudre un probl\u00e8me entra\u00eenant la corruption des donn\u00e9es (avec un r\u00e9initialisation partielle de blocs) dans les fichiers apr\u00e8s leur copie.       <\/p>\n<p>Il \u00e9tait initialement pr\u00e9vu que le probl\u00e8me ne se manifeste que dans la branche 2.2.x et soit caus\u00e9 par une erreur dans le m\u00e9canisme de clonage de blocs inclus dans OpenZFS 2.2.0, permettant de cr\u00e9er une copie d'un fichier ou d'une partie sans dupliquer les donn\u00e9es, en utilisant des r\u00e9f\u00e9rences aux blocs de donn\u00e9es existants du fichier source sans leur copie r\u00e9elle. Dans OpenZFS 2.2.1, pour bloquer ce probl\u00e8me, le m\u00e9canisme de clonage de blocs a \u00e9t\u00e9 d\u00e9sactiv\u00e9 par d\u00e9faut, et pour r\u00e9activer ce mode, un param\u00e8tre zfs_bclone_enabled a \u00e9t\u00e9 ajout\u00e9.     <\/p>\n<p>Plus tard, les d\u00e9veloppeurs ont d\u00e9clar\u00e9 avoir reproduit le probl\u00e8me \u00e9galement dans les configurations utilisant la branche OpenZFS 2.1.x. Les suppositions selon lesquelles le probl\u00e8me se manifeste sur des syst\u00e8mes avec de anciennes versions du paquet coreutils ne se sont pas confirm\u00e9es \u2014 l'erreur a pu \u00eatre reproduite sur FreeBSD et dans des distributions Linux avec une version r\u00e9cente de coreutils 9.4.     <\/p>\n<p>La corruption des fichiers se manifeste dans des circonstances plut\u00f4t rares ; par exemple, l'ex\u00e9cution de la commande \u00ab emerge -1 dev-lang\/go \u00bb dans Gentoo entra\u00eene l'installation des outils pour le langage Go avec des fichiers corrompus dans le r\u00e9pertoire \/usr\/lib\/go\/pkg\/tool\/linux_amd64\/compile. Il est suppos\u00e9 que l'erreur a commenc\u00e9 \u00e0 se manifester apr\u00e8s que le param\u00e8tre \u00ab zfs_dmu_offset_next_sync=1 \u00bb a \u00e9t\u00e9 d\u00e9fini par d\u00e9faut dans la version openzfs 2.1.4. La source de l'erreur n'a pas encore \u00e9t\u00e9 identifi\u00e9e. Comme solution de contournement recommand\u00e9e, il est sugg\u00e9r\u00e9 de d\u00e9finir le param\u00e8tre \u00ab \/sys\/module\/zfs\/parameters\/zfs_dmu_offset_next_sync \u00bb \u00e0 0.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60167\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 OpenZFS 2.2.1, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b ZFS \u0434\u043b\u044f Linux \u0438 FreeBSD. \u0412\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u0438\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u0435\u043d \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u044f\u0434\u0440\u0430 Linux 6.6 \u0438 \u043f\u043e\u043f\u044b\u0442\u043a\u043e\u0439 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0435\u0439 \u043a \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044e \u0434\u0430\u043d\u043d\u044b\u0445 (\u043e\u0431\u043d\u0443\u043b\u0435\u043d\u0438\u044e \u0447\u0430\u0441\u0442\u0438 \u0431\u043b\u043e\u043a\u043e\u0432) \u0432 \u0444\u0430\u0439\u043b\u0430\u0445 \u043f\u043e\u0441\u043b\u0435 \u0438\u0445 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u0418\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u0430\u0433\u0430\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u0432\u0435\u0442\u043a\u0435 2.2.x \u0438 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0448\u0438\u0431\u043a\u043e\u0439 \u0432\u043e \u0432\u043a\u043b\u044e\u0447\u0451\u043d\u043d\u043e\u043c \u0432 OpenZFS 2.2.0 [&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":[702],"tags":[],"class_list":["post-111714","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d 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