{"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\/pt\/blog\/news\/reliz-zfsonlinux-0-8-0","title":{"rendered":"Lan\u00e7amento do ZFSonLinux 0.8.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <\/p>\n<p>Foram necess\u00e1rios cerca de dois anos e 5 vers\u00f5es RC para os desenvolvedores do ZFS on Linux (abreviado como ZoL) lan\u00e7arem uma vers\u00e3o bastante significativa \u2013 ZFS-0.8.0.<\/p>\n<p>Novas funcionalidades:<\/p>\n<ul>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/5769\">Criptografia \"nativa\"<\/a> tanto para sistemas de arquivos quanto para parti\u00e7\u00f5es. O algoritmo aes-256-ccm \u00e9 usado por padr\u00e3o. As chaves para o dataset s\u00e3o gerenciadas atrav\u00e9s do comando \"zfs load-key\" e suas subcomandos relacionadas.<\/noindex>\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/5769\">Criptografia ao usar zfs send\/receive.<\/a> Permite armazenar backups em servi\u00e7os n\u00e3o confi\u00e1veis sem risco de comprometimento.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/6900\">Remo\u00e7\u00e3o de dispositivo<\/a> do pool via comando \"zpool remove\". Todos os dados s\u00e3o copiados em segundo plano para os dispositivos restantes de n\u00edvel superior, reduzindo assim a capacidade do pool.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/7570\">O subcomando \"zpool checkpoint\"<\/a> permite salvar todo o estado do pool e, se desejado, retornar a esse estado exato. Isso pode ser visto como um snapshot avan\u00e7ado do pool. \u00c9 \u00fatil durante a\u00e7\u00f5es administrativas complexas que, caso contr\u00e1rio, seriam irrevers\u00edveis (por exemplo, habilitar um novo recurso, destruir um conjunto de dados, etc.)\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/8419\">. Sim, levou muito tempo para chegar \u00e0 produ\u00e7\u00e3o. Em parte porque para sistemas de arquivos CoW, o problema do desgaste de SSD n\u00e3o \u00e9 t\u00e3o cr\u00edtico. Mas agora estamos todos tranquilos \u2014<\/a> para dispositivos do pool. Permite uma utiliza\u00e7\u00e3o mais eficiente de unidades de estado s\u00f3lido e previne a diminui\u00e7\u00e3o de seu desempenho e\/ou tempo de vida. O trim pode ser realizado tanto com o comando separado \"zpool trim\" quanto ativando a op\u00e7\u00e3o an\u00e1loga discard \u2013 uma nova propriedade do pool chamada \"autotrim\".\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/8230\">Inicializa\u00e7\u00e3o do pool.<\/a> O subcomando \"zpool initialize\" grava seu padr\u00e3o em todo o espa\u00e7o n\u00e3o alocado. Isso elimina a primeira queda no desempenho de acesso que pode existir em alguns armazenamentos virtualizados (por exemplo, VMware VMDK).\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/6290\">Suporte \u00e0 contabilidade de projetos e quotas<\/a>. Esta fun\u00e7\u00e3o adiciona contabiliza\u00e7\u00e3o do uso de projetos e quotas \u00e0s fun\u00e7\u00f5es existentes de contabiliza\u00e7\u00e3o de espa\u00e7o e quotas. As quotas de projeto adicionam uma dimens\u00e3o adicional \u00e0s tradicionais quotas de usu\u00e1rios\/grupos. Os subcomandos \"zfs project\" e \"zfs projectspace\" foram adicionados para gerenciar projetos, definir limites de quotas e relat\u00f3rios de uso.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/6558\">Programas de canais<\/a>. O subcomando \"zpool program\" permite o uso de scripts em LUA para executar a\u00e7\u00f5es administrativas. Os scripts s\u00e3o executados em um \"sandbox\" com limites de tempo e mem\u00f3ria.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/7230\">integrado ao reposit\u00f3rio principal e apoiado pelo projeto ZFSonLinux. Agora h\u00e1 mais recursos para gerenciamento em Python (e tamb\u00e9m ser\u00e1 mais tranquilo com o suporte do m\u00f3dulo). Al\u00e9m disso, muitos scripts Python foram adaptados para Python 3.<\/a>. Nova biblioteca Python para fornecer uma interface est\u00e1vel para a administra\u00e7\u00e3o program\u00e1tica do ZFS. Esta camada oferece um mapeamento um-para-um para as fun\u00e7\u00f5es da API libzfs_core, mas as assinaturas e tipos s\u00e3o mais naturais para o dialeto Python.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/8096\">Compatibilidade com Python3<\/a>. As utilit\u00e1rios \"arcstat\", \"arcsummary\" e \"dbufstat\" foram atualizados para compatibilidade com Python3.\n<\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/pull\/7823\">\u2014 para simplificar, implementamos o trabalho de IO Direto, nada mudou internamente (apenas chamadas v\u00e3o o m\u00e1ximo poss\u00edvel sem cache), mas agora o software que deseja operar neste modo n\u00e3o ter\u00e1 problemas.<\/a>. Adicionada a suporte para uso de sa\u00edda direta (O_DIRECT).\n<\/li>\n<\/ul>\n<p>\nAs subcomandos scrub\/resilver\/list\/get tamb\u00e9m foram acelerados, foi adicionada a possibilidade de listar metadados em um dispositivo separado (por exemplo, um SSD pequeno de alto desempenho), a performance do ZIL foi aumentada atrav\u00e9s de caching e otimiza\u00e7\u00f5es, e adicionada a suporte para acelera\u00e7\u00e3o de hardware de somas de verifica\u00e7\u00e3o SHA256 e criptografia AES usando Intel QAT (Quick Assist Technology).<\/p>\n<p><noindex><\/p>\n<p>N\u00facleos Linux suportados: 2.6.32 \u2013 5.1 (nos n\u00facleos 5.0 e superiores o suporte a acelera\u00e7\u00e3o SIMD ainda n\u00e3o est\u00e1 dispon\u00edvel).<\/p>\n<p>Completo <a rel=\"nofollow\" href=\"https:\/\/github.com\/zfsonlinux\/zfs\/compare\/zfs-0.7.0...zfs-0.8.0\">lista de altera\u00e7\u00f5es<\/a><\/p>\n<p><\/noindex><noindex><\/p>\n<p>Os valores padr\u00e3o das configura\u00e7\u00f5es dos m\u00f3dulos foram escolhidos para proporcionar uma carga otimizada para a maioria das cargas de trabalho e configura\u00e7\u00f5es. Para uma lista completa de op\u00e7\u00f5es \u2013 <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 5.0.3 - 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