Dostupn\u00e1 je mezivyd\u00e1n\u00ed projektu OpenZFS 2.2.1, kter\u00fd rozv\u00edj\u00ed implementaci souborov\u00e9ho syst\u00e9mu ZFS pro Linux a FreeBSD. Vyd\u00e1n\u00ed se vyzna\u010duje p\u0159id\u00e1n\u00edm podpory j\u00e1dra Linux 6.6 a snahou o odstran\u011bn\u00ed probl\u00e9mu, kter\u00fd vede k po\u0161kozen\u00ed dat (nulov\u00e1n\u00ed \u010d\u00e1sti blok\u016f) v souborech po jejich zkop\u00edrov\u00e1n\u00ed. <\/p>\n
P\u016fvodn\u011b se p\u0159edpokl\u00e1dalo, \u017ee probl\u00e9m se projevuje pouze ve v\u011btvi 2.2.x a je zp\u016fsoben chybou v mechanismu klonov\u00e1n\u00ed blok\u016f zahrnut\u00e9m v OpenZFS 2.2.0, kter\u00fd umo\u017e\u0148uje vytvo\u0159it kopii souboru nebo jeho \u010d\u00e1sti bez duplikace dat, pou\u017e\u00edvaj\u00edc\u00ed ve druh\u00e9 kopii odkazy na ji\u017e existuj\u00edc\u00ed bloky dat p\u016fvodn\u00edho souboru bez jejich skute\u010dn\u00e9ho kop\u00edrov\u00e1n\u00ed. V verzi OpenZFS 2.2.1 byl mechanismus klonov\u00e1n\u00ed blok\u016f pro zablokov\u00e1n\u00ed probl\u00e9mu ve v\u00fdchoz\u00edm nastaven\u00ed deaktivov\u00e1n a pro n\u00e1vrat podpory tohoto re\u017eimu byla p\u0159id\u00e1na nastaven\u00ed zfs_bclone_enabled. <\/p>\n
Pozd\u011bj\u0161\u00ed v\u00fdvoj\u00e1\u0159i ozn\u00e1mili reprodukci probl\u00e9mu tak\u00e9 v konfigurac\u00edch s v\u011btv\u00ed OpenZFS 2.1.x. Nebyly potvrzeny ani domn\u011bnky, \u017ee se probl\u00e9m objevuje na syst\u00e9mech se star\u00fdmi verzemi bal\u00ed\u010dku coreutils \u2014 chybu se poda\u0159ilo reprodukovat ve FreeBSD a v linuxov\u00fdch distribuc\u00edch se svobodn\u00fdm vyd\u00e1n\u00edm coreutils 9.4. <\/p>\n
Po\u0161kozen\u00ed soubor\u016f se projevuje p\u0159i dostate\u010dn\u011b vz\u00e1cn\u00e9m souh\u0159e okolnost\u00ed, nap\u0159\u00edklad proveden\u00ed p\u0159\u00edkazu \"emerge -1 dev-lang\/go\" v Gentoo vede k instalaci n\u00e1strojov\u00e9ho vybaven\u00ed pro jazyk Go s po\u0161kozen\u00edm soubor\u016f v adres\u00e1\u0159i \/usr\/lib\/go\/pkg\/tool\/linux_amd64\/compile. P\u0159edpokl\u00e1d\u00e1 se, \u017ee chyba se za\u010dala objevovat po nastaven\u00ed v\u00fdchoz\u00edho parametru \"zfs_dmu_offset_next_sync=1\" ve verzi openzfs 2.1.4. Zdroj chyby zat\u00edm nebyl identifikov\u00e1n. Jako doporu\u010den\u00e9 \u0159e\u0161en\u00ed pro blokov\u00e1n\u00ed chyby bylo navr\u017eeno nastavit parametr \"\/sys\/module\/zfs\/parameters\/zfs_dmu_offset_next_sync\" na 0. \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 […]<\/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\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\udd47V OpenZFS byla nalezena chyba, kter\u00e1 m\u016f\u017ee v\u00e9st k po\u0161kozen\u00ed soubor\u016f | ProHoster","description":"Dostupn\u00e1 je mezivyd\u00e1n\u00ed projektu OpenZFS 2.2.1, kter\u00fd rozv\u00edj\u00ed implementaci souborov\u00e9ho syst\u00e9mu ZFS pro Linux a FreeBSD.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/v-openzfs-vyyavlena-oshibka-kotoraya-mozhet-privesti-k-povrezhdeniyu-fajlov","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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\u0412 OpenZFS \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u043e\u0448\u0438\u0431\u043a\u0430, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044e \u0444\u0430\u0439\u043b\u043e\u0432 | ProHoster","og:description":"\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 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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"