{"id":34404,"date":"2019-10-31T21:58:08","date_gmt":"2019-10-31T18:58:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/reliz-zfsonlinux-0-8-0\/"},"modified":"2019-10-31T21:58:08","modified_gmt":"2019-10-31T18:58:08","slug":"reliz-zfsonlinux-0-8-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/reliz-zfsonlinux-0-8-0","title":{"rendered":"Rilascio di ZFSonLinux 0.8.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <\/p>\n<p>Ci sono voluti circa due anni e 5 versioni RC agli sviluppatori di ZFS on Linux (abbreviato ZoL) per rilasciare una versione estremamente significativa \u2014 ZFS-0.8.0.<\/p>\n<p>Nuove funzionalit\u00e0:<\/p>\n<ul>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/5769\">Crittografia \"nativa\"<\/a> sia per i file system che per le partizioni. Per impostazione predefinita viene utilizzato l'algoritmo aes-256-ccm. Le chiavi per il dataset sono gestite tramite il comando \"zfs load-key\" e i relativi sottocomandi.<\/noindex>\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/5769\">Crittografia durante zfs send\/receive.<\/a> Consente di memorizzare backup su servizi non affidabili senza il rischio di compromissione.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/6900\">Rimozione di un dispositivo<\/a> dal pool tramite il comando \"zpool remove\". Tutti i dati vengono copiati in background sui restanti dispositivi di livello superiore, riducendo di conseguenza la capacit\u00e0 del pool.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/7570\">Il sottocomando \"zpool checkpoint\"<\/a> consente di salvare l'intero stato del pool e, se desiderato, tornare a questo stato esatto. Pu\u00f2 essere considerato come uno snapshot avanzato del pool. Questo \u00e8 utile durante le operazioni amministrative complesse, che altrimenti sarebbero irreversibili (ad esempio, attivazione di una nuova funzione, eliminazione di un dataset e cos\u00ec via).\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/8419\">TRIM<\/a> per i dispositivi del pool. Permette di utilizzare in modo pi\u00f9 efficace i dischi a stato solido e di prevenire la diminuzione delle loro prestazioni e\/o della loro durata. Il comando trim pu\u00f2 essere eseguito sia come comando separato \"zpool trim\" che attivando l'opzione analoga discard \u2014 la nuova propriet\u00e0 del pool \"autotrim\".\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/8230\">Inizializzazione del pool.<\/a> Il sottocomando \"zpool initialize\" scrive il proprio pattern su tutto lo spazio non allocato. Questo elimina la prima diminuzione delle prestazioni di accesso che pu\u00f2 esistere in alcuni storage virtualizzati (ad esempio, VMware VMDK).\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/6290\">Supporto all'accounting dei progetti e alle quote<\/a>. Questa funzione aggiunge il monitoraggio dell'uso del progetto e le quote alle funzionalit\u00e0 esistenti di monitoraggio dello spazio e quote. Le quote del progetto aggiungono una dimensione ulteriore alle tradizionali quote degli utenti\/gruppi. I sottocomandi \"zfs project\" e \"zfs projectspace\" sono stati aggiunti per gestire i progetti, impostare limiti delle quote e rapporti sull'uso.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/6558\">Programmi di canali<\/a>. Il sottocomando \"zpool program\" consente di utilizzare script in LUA per eseguire operazioni amministrative. Gli script vengono eseguiti in una \"sandbox\" con limiti di tempo e memoria.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/7230\">Pyzfs<\/a>. Nuova libreria Python per garantire un'interfaccia stabile per l'amministrazione programmata di ZFS. Questo wrapper fornisce una corrispondenza uno a uno per le funzioni API di libzfs_core, ma le firme e i tipi sono pi\u00f9 naturali per il dialetto Python.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/8096\">Compatibilit\u00e0 con Python3<\/a>. Gli strumenti \"arcstat\", \"arcsummary\" e \"dbufstat\" sono stati aggiornati per la compatibilit\u00e0 con Python3.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/7823\">Direct IO<\/a>. Aggiunta la supporto per l'uso dell'output diretto (O_DIRECT).\n<\/li>\n<\/ul>\n<p>\nAccelerate inoltre i sotto-comandi scrub\/resilver\/list\/get, aggiunta la possibilit\u00e0 di visualizzare i metadati su un dispositivo separato (ad esempio, un SSD ad alte prestazioni di piccole dimensioni), aumentata la prestazione di ZIL tramite caching e ottimizzazione, aggiunta la supporto per l'accelerazione hardware delle checksum SHA256 e della crittografia AES utilizzando Intel QAT (Quick Assist Technology).<\/p>\n<p><noindex><\/p>\n<p>Nuclei Linux supportati: 2.6.32 \u2014 5.1 (su nuclei 5.0 e superiori non \u00e8 ancora supportata l'accelerazione SIMD)<\/p>\n<p>Completo <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/compare\/zfs-0.7.0...zfs-0.8.0\">elenco delle modifiche<\/a><\/p>\n<p><\/noindex><noindex><\/p>\n<p>I valori dei parametri dei moduli predefiniti sono stati scelti per garantire un carico ottimale per la maggior parte dei carichi di lavoro e delle configurazioni. Per un elenco completo delle opzioni \u2014 <a rel=\"nofollow\" href=\"https:\/\/zfsonlinux.org\/manpages\/0.8.0\/man5\/zfs-module-parameters.5.html\">man 5 zfs-module-parameters<\/a><\/p>\n<p><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/linux-general\/15009205\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043a\u043e\u043b\u043e \u0434\u0432\u0443\u0445 \u043b\u0435\u0442 \u0438 5 RC-\u0440\u0435\u043b\u0438\u0437\u043e\u0432 \u043f\u043e\u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043b\u043e\u0441\u044c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c ZFS on Linux (\u0441\u043e\u043a\u0440\u0430\u0449\u0451\u043d\u043d\u043e ZoL), \u0447\u0442\u043e\u0431\u044b \u0432\u044b\u043f\u0443\u0441\u0442\u0438\u0442\u044c \u043a\u0440\u0430\u0439\u043d\u0435 \u0437\u043d\u0430\u0447\u0438\u043c\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 &#8212; ZFS-0.8.0. \u041d\u043e\u0432\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438: &#171;\u041d\u0430\u0442\u0438\u0432\u043d\u043e\u0435&#187; \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u0430\u043a \u0434\u043b\u044f \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c, \u0442\u0430\u043a \u0438 \u0434\u043b\u044f \u0440\u0430\u0437\u0434\u0435\u043b\u043e\u0432. \u041f\u043e-\u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c aes-256-ccm. \u041a\u043b\u044e\u0447\u0438 \u0434\u043b\u044f \u0434\u0430\u0442\u0430\u0441\u0435\u0442\u0430 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043a\u043e\u043c\u0430\u043d\u0434\u044b &#171;zfs load-key&#187; \u0438 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u043f\u043e\u0434\u043a\u043e\u043c\u0430\u043d\u0434. \u0428\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u0440\u0438 zfs send\/receive. \u041f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0431\u044d\u043a\u0430\u043f\u044b [&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-34404","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 - 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