{"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\/it\/blog\/news\/kod-bcachefs-prinyat-v-osnovnoj-sostav-yadra-linux-6-7","title":{"rendered":"Il codice Bcachefs \u00e8 stato incluso nel core principale del kernel Linux 6.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Linus Torvalds ha approvato la richiesta di inclusione del file system Bcachefs nel core principale del kernel Linux e ha aggiunto l'implementazione di Bcachefs nel repository in cui si sviluppa il ramo del kernel 6.7, il cui rilascio \u00e8 previsto per inizio gennaio. Il patch aggiunto al kernel comprende circa 95.000 righe di codice. Il progetto \u00e8 stato sviluppato per oltre 10 anni da Kent Overstreet, che ha anche progettato il sistema di caching per dispositivi a blocchi su SSD Bcache, integrato nel kernel a partire dalla versione 3.10.     <\/p>\n<p>I tentativi di promuovere Bcachefs nel core principale del kernel sono iniziati nel 2020, dopodich\u00e9 sono stati necessari quasi tre anni per affrontare le osservazioni e le lacune individuate durante la revisione. In primavera di quest'anno \u00e8 stato proposto un set aggiornato di patch, che \u00e8 stato rifiutato pi\u00f9 volte, ma alla fine, a settembre, \u00e8 stato accettato nel ramo linux-next, destinato a testare le funzionalit\u00e0 per i futuri rilasci del kernel Linux.    <\/p>\n<p>Bcachefs si sviluppa utilizzando tecnologie gi\u00e0 testate nello sviluppo del dispositivo a blocchi Bcache, progettato per la cache dell'accesso a dischi rigidi lenti su veloci SSD (incluso nel kernel a partire dalla versione 3.10). In Bcachefs viene utilizzato un meccanismo di Copy-on-Write (COW), dove le modifiche non comportano la riscrittura dei dati \u2014 il nuovo stato viene scritto in una nuova posizione e poi viene cambiato il puntatore allo stato attuale.     <\/p>\n<p>In Bcachefs \u00e8 stato fatto un tentativo di combinare il livello di prestazioni, affidabilit\u00e0 e scalabilit\u00e0 tipico di XFS con la funzionalit\u00e0 avanzata presente in Btrfs e ZFS, come il supporto per la suddivisione in pi\u00f9 dispositivi, i layout a strati dei dischi, la replica (RAID 1\/10), la cache, la compressione dei dati trasparente (modalit\u00e0 LZ4, gzip e ZSTD), gli snapshot, la verifica dell'integrit\u00e0 tramite checksum, la possibilit\u00e0 di memorizzare codici di correzione degli errori di Reed-Solomon (RAID 5\/6), e la conservazione delle informazioni in forma crittografata (vengono utilizzati ChaCha20 e Poly1305). In termini di prestazioni, Bcachefs supera Btrfs e altri file system basati su meccanismo Copy-on-Write, dimostrando velocit\u00e0 di funzionamento simile a Ext4 e XFS.       <\/p>\n<p>Una caratteristica distintiva di Bcachefs \u00e8 il supporto per il collegamento a strati dei dispositivi di archiviazione, dove l'archivio \u00e8 composto da pi\u00f9 strati \u2014 il livello inferiore \u00e8 collegato ai dischi pi\u00f9 veloci (SSD), utilizzati per la cache dei dati frequentemente utilizzati, mentre il livello superiore \u00e8 costituito da dischi pi\u00f9 capienti e economici, che forniscono lo stoccaggio di dati meno richiesti. Tra i livelli pu\u00f2 essere utilizzata la cache in modalit\u00e0 writeback. I dispositivi possono essere aggiunti e scollegati dinamicamente dalla partizione senza interrompere l'uso del file system (i dati migrano automaticamente).<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60021\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 [&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-111215","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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codice di Bcachefs \u00e8 stato accettato nel kernel Linux 6.7 | ProHoster","description":"Linus Torvalds ha approvato la richiesta di inclusione del file system Bcachefs nel kernel Linux principale e ha aggiunto l'implementazione di Bcachefs al repository, in cui viene sviluppato il ramo del kernel 6.7, il cui rilascio \u00e8 previsto per l'inizio dell'anno.","canonical_url":"https:\/\/prohoster.info\/it\/blog\/news\/kod-bcachefs-prinyat-v-osnovnoj-sostav-yadra-linux-6-7","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","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\u041a\u043e\u0434 Bcachefs \u043f\u0440\u0438\u043d\u044f\u0442 \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux 6.7 | ProHoster","og:description":"\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 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