{"id":111215,"date":"2023-10-31T09:10:15","date_gmt":"2023-10-31T07:10:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kod-bcachefs-prinyat-v-osnovnoj-sostav-yadra-linux-6-7"},"modified":"2023-10-31T09:10:15","modified_gmt":"2023-10-31T07:10:15","slug":"kod-bcachefs-prinyat-v-osnovnoj-sostav-yadra-linux-6-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/kod-bcachefs-prinyat-v-osnovnoj-sostav-yadra-linux-6-7","title":{"rendered":"A Bcachefs k\u00f3dja beker\u00fclt a Linux 6.7 kernel f\u0151\u00e1llom\u00e1ny\u00e1ba.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Linus Torvalds j\u00f3v\u00e1hagyta a Bcachefs f\u00e1jlrendszer kernelbe t\u00f6rt\u00e9n\u0151 beilleszt\u00e9s\u00e9re vonatkoz\u00f3 k\u00e9relmet, \u00e9s hozz\u00e1adta a Bcachefs megval\u00f3s\u00edt\u00e1s\u00e1t a 6.7-es kernel \u00e1gazat\u00e1hoz, amelynek kiad\u00e1s\u00e1ra janu\u00e1r elej\u00e9n ker\u00fcl sor. A kernelbe be\u00e9p\u00edtett jav\u00edt\u00e1s k\u00f6r\u00fclbel\u00fcl 95 ezer sor k\u00f3dot tartalmaz. A projektet m\u00e1r t\u00f6bb mint 10 \u00e9ve Kent Overstreet fejleszti, aki a kernelbe integr\u00e1lt SSD-ket cachel\u0151 blokkeszk\u00f6z\u00f6ket k\u00e9pez\u0151 Bcache rendszert is kidolgozta. <\/p>\n

A Bcachefs kernelbe t\u00f6rt\u00e9n\u0151 el\u0151mozd\u00edt\u00e1sa 2020-ban kezd\u0151d\u00f6tt, majd tov\u00e1bbi k\u00f6zel h\u00e1rom \u00e9vre volt sz\u00fcks\u00e9g a recenz\u00e1l\u00e1s sor\u00e1n felmer\u00fclt megjegyz\u00e9sek \u00e9s hi\u00e1nyoss\u00e1gok kijav\u00edt\u00e1s\u00e1hoz. Id\u00e9n tavasszal egy friss\u00edtett patch k\u00e9szletet javasoltak, amelyet t\u00f6bbsz\u00f6r elutas\u00edtottak, de v\u00e9g\u00fcl szeptemberben elfogadt\u00e1k a kernel Linux-next \u00e1gazat\u00e1ba, amely a j\u00f6v\u0151beli kiad\u00e1sok lehet\u0151s\u00e9geinek tesztel\u00e9s\u00e9re szolg\u00e1l. <\/p>\n

A Bcachefs fejleszt\u00e9s\u00e9hez m\u00e1r kipr\u00f3b\u00e1lt technol\u00f3gi\u00e1kat haszn\u00e1ltak, amelyek a Bcache blokkeszk\u00f6z kifejleszt\u00e9sekor mer\u00fcltek fel, amelyet a lass\u00fa merevlemezek \u00e9s a gyors SSD-meghajt\u00f3k k\u00f6z\u00f6tti gyors\u00edt\u00f3t\u00e1raz\u00e1sra terveztek (a 3.10-es kiad\u00e1st\u00f3l kezdve r\u00e9sze a kernelnek). A Bcachefs a Copy-on-Write (COW) mechanizmust alkalmazza, amelyn\u00e9l a m\u00f3dos\u00edt\u00e1sok nem \u00edrj\u00e1k fel\u00fcl az adatokat \u2014 az \u00faj \u00e1llapot egy \u00faj helyre \u00edr\u00f3dik, majd az aktu\u00e1lis \u00e1llapot mutat\u00f3ja megv\u00e1ltozik. <\/p>\n

A Bcachefs megk\u00eds\u00e9rli \u00f6tv\u00f6zni az XFS-re jellemz\u0151 teljes\u00edtm\u00e9nyi, megb\u00edzhat\u00f3s\u00e1gi \u00e9s sk\u00e1l\u00e1zhat\u00f3s\u00e1gi szintet, valamint a Btrfs \u00e9s ZFS \u00e1ltal k\u00edn\u00e1lt kiterjesztett funkci\u00f3kat, p\u00e9ld\u00e1ul t\u00f6bb eszk\u00f6z egyes\u00edt\u00e9s\u00e9t egy part\u00edci\u00f3ba, t\u00f6bbpontos h\u00e1tt\u00e9rt\u00e1r elrendez\u00e9st, replik\u00e1l\u00e1st (RAID 1\/10), gyors\u00edt\u00e1soz\u00e1st, \u00e1tl\u00e1tsz\u00f3 adatok t\u00f6m\u00f6r\u00edt\u00e9s\u00e9t (LZ4, gzip \u00e9s ZSTD m\u00f3dok), \u00e1llapotk\u00e9pek k\u00e9sz\u00edt\u00e9s\u00e9t (snapshotokat), a checksumok szerinti integrit\u00e1s-ellen\u0151rz\u00e9st, a Reed-Solomon hibajav\u00edt\u00f3 k\u00f3dok t\u00e1rol\u00e1s\u00e1nak lehet\u0151s\u00e9g\u00e9t (RAID 5\/6) \u00e9s titkos\u00edtott form\u00e1ban t\u00f6rt\u00e9n\u0151 t\u00e1rol\u00e1st (ChaCha20 \u00e9s Poly1305 haszn\u00e1lat\u00e1val). Teljes\u00edtm\u00e9nyben a Bcachefs t\u00falsz\u00e1rnyalja a Btrfs-t \u00e9s m\u00e1s Copy-on-Write mechanizmuson alapul\u00f3 f\u00e1jlrendszereket, \u00e9s sebess\u00e9ge k\u00f6zel \u00e1ll az Ext4-hez \u00e9s az XFS-hez. <\/p>\n

A Bcachefs egyik k\u00fcl\u00f6nleges jellemz\u0151je a t\u00f6bbr\u00e9teg\u0171 t\u00e1rol\u00f3kapcsolat t\u00e1mogat\u00e1sa, amely lehet\u0151v\u00e9 teszi, hogy a t\u00e1rol\u00f3kat t\u00f6bb r\u00e9tegb\u0151l \u00e1ll\u00edts\u00e1k \u00f6ssze \u2014 az als\u00f3 r\u00e9teghez a leggyorsabb t\u00e1rol\u00f3kat (SSD) csatlakoztatj\u00e1k, amelyeket a gyakran haszn\u00e1lt adatok gyors\u00edt\u00f3t\u00e1raz\u00e1s\u00e1ra haszn\u00e1lnak, m\u00edg a fels\u0151 r\u00e9teg nagyobb kapacit\u00e1s\u00fa \u00e9s olcs\u00f3bb lemezekb\u0151l \u00e1ll, amelyek a kev\u00e9sb\u00e9 keresett adatok t\u00e1rol\u00e1s\u00e1\u00e9rt felelnek. A r\u00e9tegek k\u00f6z\u00f6tt k\u00e9sleltetett \u00edr\u00e1si m\u00f3dban (writeback) is alkalmazhat\u00f3 a gyors\u00edt\u00f3t\u00e1raz\u00e1s. A t\u00e1rol\u00f3k dinamikusan hozz\u00e1adhat\u00f3k \u00e9s lev\u00e1laszthat\u00f3k a part\u00edci\u00f3r\u00f3l an\u00e9lk\u00fcl, hogy le\u00e1ll\u00edtan\u00e1k a f\u00e1jlrendszer haszn\u00e1lat\u00e1t (az adatok automatikusan migr\u00e1lnak).
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041b\u0438\u043d\u0443\u0441 \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u0443\u0442\u0432\u0435\u0440\u0434\u0438\u043b \u0437\u0430\u043f\u0440\u043e\u0441 \u043d\u0430 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Bcachefs \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux \u0438 \u0434\u043e\u0431\u0430\u0432\u0438\u043b \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e Bcachefs \u0432 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432\u0435\u0442\u043a\u0430 \u044f\u0434\u0440\u0430 6.7, \u0440\u0435\u043b\u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043e\u0436\u0438\u0434\u0430\u0435\u0442\u0441\u044f \u0432 \u043d\u0430\u0447\u0430\u043b\u0435 \u044f\u043d\u0432\u0430\u0440\u044f. \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0439 \u0432 \u044f\u0434\u0440\u043e \u043f\u0430\u0442\u0447 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u043e\u043a\u043e\u043b\u043e 95 \u0442\u044b\u0441\u044f\u0447 \u0441\u0442\u0440\u043e\u043a \u043a\u043e\u0434\u0430. \u041f\u0440\u043e\u0435\u043a\u0442 \u0443\u0436\u0435 \u0431\u043e\u043b\u0435\u0435 10 \u043b\u0435\u0442 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 \u041a\u0435\u043d\u0442 \u041e\u0432\u0435\u0440\u0441\u0442\u0440\u0438\u0442 (Kent Overstreet), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0442\u0430\u043a\u0436\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043b […]<\/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-111215","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\udd47A Bcachefs k\u00f3dja beleker\u00fclt a Linux 6.7 kernel f\u0151 \u00f6sszetev\u0151ibe | ProHoster","description":"Linus Torvalds j\u00f3v\u00e1hagyta a Bcachefs f\u00e1jlrendszer kernelbe t\u00f6rt\u00e9n\u0151 beilleszt\u00e9s\u00e9re vonatkoz\u00f3 k\u00e9relmet, \u00e9s hozz\u00e1adta a Bcachefs megval\u00f3s\u00edt\u00e1s\u00e1t a 6.7-es kernel \u00e1gazat\u00e1hoz, amelynek kiad\u00e1s\u00e1ra janu\u00e1r elej\u00e9n 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\u0437\u0430\u043f\u0440\u043e\u0441 \u043d\u0430 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Bcachefs \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux \u0438 \u0434\u043e\u0431\u0430\u0432\u0438\u043b \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e Bcachefs \u0432 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432\u0435\u0442\u043a\u0430 \u044f\u0434\u0440\u0430 6.7, \u0440\u0435\u043b\u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043e\u0436\u0438\u0434\u0430\u0435\u0442\u0441\u044f \u0432 \u043d\u0430\u0447\u0430\u043b\u0435.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/kod-bcachefs-prinyat-v-osnovnoj-sostav-yadra-linux-6-7","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2023-10-31T07:10:15+00:00","article:modified_time":"2023-10-31T07:10:15+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/111215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=111215"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/111215\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=111215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=111215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=111215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}