{"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\/fr\/blog\/news\/reliz-zfsonlinux-0-8-0","title":{"rendered":"Publication de ZFSonLinux 0.8.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <\/p>\n<p>Il a fallu environ deux ans et 5 versions RC aux d\u00e9veloppeurs de ZFS on Linux (abr\u00e9g\u00e9 en ZoL) pour sortir une version tr\u00e8s significative \u2014 ZFS-0.8.0.<\/p>\n<p>Nouvelles fonctionnalit\u00e9s :<\/p>\n<ul>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/5769\">Chiffrement \u00ab natif \u00bb<\/a> tant pour les syst\u00e8mes de fichiers que pour les partitions. Par d\u00e9faut, l'algorithme aes-256-ccm est utilis\u00e9. Les cl\u00e9s pour le jeu de donn\u00e9es sont g\u00e9r\u00e9es \u00e0 l'aide de la commande \u00ab zfs load-key \u00bb et des sous-commandes associ\u00e9es.<\/noindex>\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/5769\">Chiffrement lors de zfs send\/receive.<\/a> Permet de stocker des sauvegardes sur des services non fiables sans risque de compromission.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/6900\">Suppression de l'appareil<\/a> du pool via la commande \u00ab zpool remove \u00bb. Toutes les donn\u00e9es sont copi\u00e9es en arri\u00e8re-plan sur les appareils de niveau sup\u00e9rieur restants, et la capacit\u00e9 du pool est donc r\u00e9duite.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/7570\">La sous-commande \u00ab zpool checkpoint \u00bb<\/a> permet de sauvegarder l'\u00e9tat complet du pool et de retourner, si souhait\u00e9, \u00e0 cet \u00e9tat pr\u00e9cis. Cela peut \u00eatre consid\u00e9r\u00e9 comme un snapshot \u00e9tendu du pool. C'est utile lors de l'ex\u00e9cution d'actions administratives complexes qui, autrement, seraient irr\u00e9versibles (par exemple, l'activation d'une nouvelle fonctionnalit\u00e9, la destruction d'un ensemble de donn\u00e9es, etc.)\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/8419\">TRIM<\/a> pour les appareils du pool. Elle permet d'utiliser plus efficacement les SSD et d'\u00e9viter de r\u00e9duire leurs performances et\/ou leur dur\u00e9e de vie. On peut effectuer un trim soit par la commande s\u00e9par\u00e9e \u00ab zpool trim \u00bb, soit en activant l'option de rejet \u2014 la nouvelle propri\u00e9t\u00e9 du pool \u00ab autotrim \u00bb\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/8230\">Initialisation du pool.<\/a> La sous-commande \u00ab zpool initialize \u00bb \u00e9crit son mod\u00e8le dans tout l'espace non allou\u00e9. Cela \u00e9limine la premi\u00e8re baisse de performance d'acc\u00e8s qui peut exister dans certains syst\u00e8mes de stockage virtualis\u00e9s (par exemple, VMware VMDK).\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/6290\">Support de l'inventaire des projets et des quotas<\/a>. Cette fonction ajoute le suivi de l'utilisation des projets et des quotas aux fonctionnalit\u00e9s existantes de collecte d'espace et de quotas. Les quotas de projet ajoutent une dimension suppl\u00e9mentaire aux quotas traditionnels utilisateurs\/groupes. Les sous-commandes \u00ab zfs project \u00bb et \u00ab zfs projectspace \u00bb ont \u00e9t\u00e9 ajout\u00e9es pour g\u00e9rer les projets, \u00e9tablir des limites de quotas et g\u00e9n\u00e9rer des rapports d'utilisation.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/6558\">Programmes de canaux<\/a>. La sous-commande \u00ab zpool program \u00bb permet d'utiliser des scripts en LUA pour ex\u00e9cuter des actions administratives. Les scripts s'ex\u00e9cutent dans un \u00ab bac \u00e0 sable \u00bb avec des limites de temps et de m\u00e9moire.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/7230\">Pyzfs<\/a>. Nouvelle biblioth\u00e8que python pour fournir une interface stable pour l'administration des programmes ZFS. Ce wrapper fournit une correspondance un-\u00e0-un pour les fonctions API libzfs_core, mais les signatures et les types sont plus naturels pour le dialecte Python.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/8096\">Compatibilit\u00e9 avec Python3<\/a>. Les utilitaires \u00ab arcstat \u00bb, \u00ab arcsummary \u00bb et \u00ab dbufstat \u00bb ont \u00e9t\u00e9 mis \u00e0 jour pour la compatibilit\u00e9 avec Python3.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/7823\">Direct IO<\/a>. Ajout du support pour l'utilisation de la sortie directe (O_DIRECT).\n<\/li>\n<\/ul>\n<p>\nLes sous-commandes scrub\/resilver\/list\/get ont \u00e9galement \u00e9t\u00e9 acc\u00e9l\u00e9r\u00e9es, ajoutant la possibilit\u00e9 de sortir des m\u00e9tadonn\u00e9es sur un appareil s\u00e9par\u00e9 (par exemple, un SSD haute performance de petite capacit\u00e9), augmentant la performance de ZIL gr\u00e2ce \u00e0 la mise en cache et \u00e0 l'optimisation, et ajoutant le support pour l'acc\u00e9l\u00e9ration mat\u00e9rielle des sommes de contr\u00f4le SHA256 et du chiffrement AES en utilisant Intel QAT (Quick Assist Technology).<\/p>\n<p><noindex><\/p>\n<p>Noyaux Linux pris en charge : 2.6.32 \u2014 5.1 (l'acc\u00e9l\u00e9ration SIMD n'est pas encore prise en charge sur les noyaux 5.0 et sup\u00e9rieurs).<\/p>\n<p>Liste compl\u00e8te <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/compare\/zfs-0.7.0...zfs-0.8.0\">des changements<\/a><\/p>\n<p><\/noindex><noindex><\/p>\n<p>Les valeurs des param\u00e8tres des modules par d\u00e9faut ont \u00e9t\u00e9 choisies pour fournir une charge optimale pour la plupart des charges de travail et des configurations. Pour la liste compl\u00e8te des options \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>Source : <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 5.0.2.1 - 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