{"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\/hu\/blog\/news\/v-openzfs-vyyavlena-oshibka-kotoraya-mozhet-privesti-k-povrezhdeniyu-fajlov","title":{"rendered":"Az OpenZFS-ben hiba l\u00e9pett fel, amely f\u00e1jlok megs\u00e9r\u00fcl\u00e9s\u00e9hez vezethet.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Megjelent az OpenZFS 2.2.1 b\u00e9taverzi\u00f3ja, amely a ZFS f\u00e1jlrendszer Linux \u00e9s FreeBSD alatti megval\u00f3s\u00edt\u00e1s\u00e1t fejleszti. A kiad\u00e1s figyelemre m\u00e9lt\u00f3 a Linux 6.6 kernel t\u00e1mogat\u00e1s\u00e1nak hozz\u00e1ad\u00e1s\u00e1val \u00e9s egy adatk\u00e1rosod\u00e1st (a blokkok egy r\u00e9sz\u00e9nek null\u00e1z\u00e1s\u00e1t) okoz\u00f3 probl\u00e9ma kik\u00fcsz\u00f6b\u00f6l\u00e9s\u00e9nek megk\u00eds\u00e9rl\u00e9s\u00e9vel a f\u00e1jlok m\u00e1sol\u00e1sa ut\u00e1n. <\/p>\n

Kezdetben \u00fagy v\u00e9lt\u00e9k, hogy a probl\u00e9ma csak a 2.2.x \u00e1gon jelentkezik, \u00e9s a 2.2.0-ban tal\u00e1lhat\u00f3 blokkl\u00e1sol\u00e1si mechanizmus hib\u00e1ja okozza, amely lehet\u0151v\u00e9 teszi a f\u00e1jl vagy annak r\u00e9szeinek m\u00e1sol\u00e1s\u00e1t an\u00e9lk\u00fcl, hogy az adatokat megdupl\u00e1zn\u00e1k, a m\u00e1sodik m\u00e1solatban hivatkoz\u00e1sok haszn\u00e1lat\u00e1val az eredeti f\u00e1jl m\u00e1r megl\u00e9v\u0151 blokkjaira an\u00e9lk\u00fcl, hogy t\u00e9nylegesen m\u00e1sol\u00e1sra ker\u00fcln\u00e9nek. Az OpenZFS 2.2.1 verzi\u00f3ban a probl\u00e9ma megakad\u00e1lyoz\u00e1sa \u00e9rdek\u00e9ben a blokkl\u00e1sol\u00e1si mechanizmust alap\u00e9rtelmezetten letiltott\u00e1k, \u00e9s egy zfs_bclone_enabled be\u00e1ll\u00edt\u00e1s ker\u00fclt hozz\u00e1ad\u00e1sra a t\u00e1mogat\u00e1s vissza\u00e1ll\u00edt\u00e1s\u00e1hoz. <\/p>\n

K\u00e9s\u0151bb a fejleszt\u0151k bejelentett\u00e9k, hogy a probl\u00e9ma reproduk\u00e1lhat\u00f3 az OpenZFS 2.1.x \u00e1g konfigur\u00e1ci\u00f3iban is. Meger\u0151s\u00edt\u00e9st nyert az is, hogy a probl\u00e9ma nem csak r\u00e9gebbi coreutils csomagverzi\u00f3kkal rendelkez\u0151 rendszereken jelentkezik - a hib\u00e1t a FreeBSD-n \u00e9s a legfrissebb coreutils 9.4 verzi\u00f3t futtat\u00f3 Linux-disztrib\u00faci\u00f3kban siker\u00fclt reproduk\u00e1lni. <\/p>\n

A f\u00e1jlok s\u00e9r\u00fcl\u00e9se viszonylag ritka k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt jelentkezik, p\u00e9ld\u00e1ul Gentoo alatt az \u201eemerge -1 dev-lang\/go\u201d parancs v\u00e9grehajt\u00e1sa sor\u00e1n a Go programoz\u00e1si nyelv eszk\u00f6zt\u00e1r\u00e1nak telep\u00edt\u00e9se f\u00e1jlok s\u00e9r\u00fcl\u00e9s\u00e9hez vezet a \/usr\/lib\/go\/pkg\/tool\/linux_amd64\/compile mapp\u00e1ban. Felt\u00e9telezhet\u0151, hogy a hiba az openzfs 2.1.4 verzi\u00f3ban a \u201ezfs_dmu_offset_next_sync=1\u201d param\u00e9ter alap\u00e9rtelmezett\u00e9 t\u00e9tele ut\u00e1n jelentkezett. A hiba forr\u00e1s\u00e1t eddig nem siker\u00fclt azonos\u00edtani. Javasolt megold\u00e1sk\u00e9nt a hiba blokkol\u00e1s\u00e1hoz a \u201e\/sys\/module\/zfs\/parameters\/zfs_dmu_offset_next_sync\u201d param\u00e9tert 0-ra kell \u00e1ll\u00edtani.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 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[…]<\/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\udd47Az OpenZFS-ben egy hiba tal\u00e1lhat\u00f3, amely f\u00e1jlok k\u00e1rosod\u00e1s\u00e1hoz vezethet | ProHoster","description":"Megjelent az OpenZFS 2.2.1 b\u00e9taverzi\u00f3ja, amely a ZFS f\u00e1jlrendszer Linux \u00e9s FreeBSD alatti megval\u00f3s\u00edt\u00e1s\u00e1t 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