{"id":121334,"date":"2025-01-14T09:46:09","date_gmt":"2025-01-14T07:46:09","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-openzfs-2-3-0-realizaczii-zfs-dlya-linux-i-freebsd"},"modified":"2025-01-14T09:46:09","modified_gmt":"2025-01-14T07:46:09","slug":"reliz-openzfs-2-3-0-realizaczii-zfs-dlya-linux-i-freebsd","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/reliz-openzfs-2-3-0-realizaczii-zfs-dlya-linux-i-freebsd","title":{"rendered":"Lan\u00e7amento do OpenZFS 2.3.0, implementa\u00e7\u00e3o do ZFS para Linux e FreeBSD","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s mais de um ano de desenvolvimento, foi lan\u00e7ado o projeto OpenZFS 2.3.0, que desenvolve a implementa\u00e7\u00e3o do sistema de arquivos ZFS para Linux e FreeBSD. O projeto ganhou notoriedade como 'ZFS on Linux' e anteriormente se limitava ao desenvolvimento de um m\u00f3dulo para o kernel do Linux, mas ap\u00f3s a fus\u00e3o com o c\u00f3digo do FreeBSD foi reconhecido como a implementa\u00e7\u00e3o principal do OpenZFS e renomeado.     <\/p>\n<p>O OpenZFS foi testado com kernels Linux da vers\u00e3o 4.18 at\u00e9 a 6.12 e todas as vers\u00f5es do FreeBSD, come\u00e7ando pela 13.3. O c\u00f3digo \u00e9 distribu\u00eddo sob a licen\u00e7a free CDDL. O OpenZFS j\u00e1 \u00e9 utilizado no FreeBSD e faz parte das distribui\u00e7\u00f5es Debian, Ubuntu, Gentoo, NixOS e ALT Linux. Pacotes com a nova vers\u00e3o ser\u00e3o preparados em breve para as principais distribui\u00e7\u00f5es Linux, incluindo Debian, Ubuntu, Fedora, RHEL\/CentOS.      <\/p>\n<p>O OpenZFS fornece uma implementa\u00e7\u00e3o dos componentes do ZFS, relacionados tanto ao funcionamento do sistema de arquivos quanto ao funcionamento do gerenciador de volumes. Est\u00e3o implementados os componentes: SPA (Storage Pool Allocator), DMU (Data Management Unit), ZVOL (ZFS Emulated Volume) e ZPL (ZFS POSIX Layer). O projeto tamb\u00e9m permite o uso do ZFS como backend para o sistema de arquivos em cluster Lustre. As contribui\u00e7\u00f5es do OpenZFS s\u00e3o baseadas no c\u00f3digo original do ZFS, importado do projeto OpenSolaris e ampliado com melhorias e corre\u00e7\u00f5es da comunidade Illumos. O projeto est\u00e1 em desenvolvimento com a participa\u00e7\u00e3o de funcion\u00e1rios do Laborat\u00f3rio Nacional de Livermore sob contrato com o Departamento de Energia dos EUA.    <\/p>\n<p>O c\u00f3digo \u00e9 distribu\u00eddo sob a licen\u00e7a free CDDL, que n\u00e3o \u00e9 compat\u00edvel com a GPLv2, o que impossibilita a integra\u00e7\u00e3o do OpenZFS na ramifica\u00e7\u00e3o principal do kernel Linux, uma vez que a mescla de c\u00f3digo sob as licen\u00e7as GPLv2 e CDDL n\u00e3o \u00e9 aceit\u00e1vel. Para contornar a incompatibilidade de licen\u00e7as, foi decidido distribuir o produto para Linux completamente sob a licen\u00e7a CDDL na forma de um m\u00f3dulo separado, fornecido independentemente do kernel. A estabilidade da base de c\u00f3digo do OpenZFS \u00e9 considerada compar\u00e1vel a outros sistemas de arquivos para Linux.     <\/p>\n<p>Principais mudan\u00e7as:  <\/p>\n<ul>\n<li class=\"l\"> Foi implementada a possibilidade de adicionar novos discos em tempo real a um array RAIDZ existente para aumentar o tamanho do armazenamento sem interromper a opera\u00e7\u00e3o e sem a necessidade de criar um novo grupo de dispositivos. A redistribui\u00e7\u00e3o dos dados redundantes, considerando os novos discos, \u00e9 realizada automaticamente. Para adicionar um disco a um grupo existente, pode-se usar o comando 'zpool attach POOL raidzP-N NEW_DEVICE', e para monitorar o t\u00e9rmino do processo de expans\u00e3o de fundo \u2014 'zpool status'.\n<li class=\"l\"> As opera\u00e7\u00f5es relacionadas \u00e0 deduplica\u00e7\u00e3o de blocos de dados foram significativamente aceleradas. As otimiza\u00e7\u00f5es, entre outras coisas, afetaram o formato das tabelas de deduplica\u00e7\u00e3o, portanto, para ativar as otimiza\u00e7\u00f5es sugeridas em pools j\u00e1 existentes, \u00e9 necess\u00e1rio habilitar a op\u00e7\u00e3o 'fast_dedup', ap\u00f3s o que novas tabelas de deduplica\u00e7\u00e3o ser\u00e3o criadas e utilizadas em paralelo com as tabelas antigas.\n<li class=\"l\"> Adicionado o modo de Entrada\/Sa\u00edda Direta (Direct IO), permitindo opera\u00e7\u00f5es de leitura e grava\u00e7\u00e3o ignorando o cache ARC (Adaptive Replacement Cache). Este modo melhora a efici\u00eancia em situa\u00e7\u00f5es onde o cache pode impactar negativamente a performance devido a opera\u00e7\u00f5es adicionais de c\u00f3pia na mem\u00f3ria, por exemplo, ao usar dispositivos NVMe.\n<li class=\"l\"> A maioria dos comandos (zfs list|get|mount|version, zpool status|list|get|version) teve a op\u00e7\u00e3o '-j' adicionada para sa\u00edda no formato JSON.\n<li class=\"l\"> O tamanho permitido para nomes de arquivos e diret\u00f3rios foi aumentado de 255 para 1023 caracteres (o novo tamanho foi escolhido levando em conta o espa\u00e7o para 255 caracteres de 4 bytes).\n<li class=\"l\"> Foram feitas otimiza\u00e7\u00f5es de desempenho, abrangendo v\u00e1rias partes da base de c\u00f3digo.\n<li class=\"l\"> Novas op\u00e7\u00f5es foram adicionadas ao m\u00f3dulo do n\u00facleo:\n<ul>\n<li>dmu_ddt_copies<\/li>\n<li>raidz_expand_max_copy_bytes<\/li>\n<li>raidz_expand_max_reflow_bytes<\/li>\n<li>raidz_io_aggregate_rows<\/li>\n<li>spa_cpus_per_allocator<\/li>\n<li>spa_num_allocators<\/li>\n<li>zap_shrink_enabled<\/li>\n<li>zfetch_max_idistance<\/li>\n<li>zfs_active_allocator<\/li>\n<li>zfs_arc_shrinker_seeks<\/li>\n<li>zfs_dedup_log_flush_entries_min<\/li>\n<li>.zfs_dedup_log_flush_flow_rate_txgs<\/li>\n<li>zfs_dedup_log_flush_min_time_ms<\/li>\n<li>zfs_dedup_log_flush_passes_max<\/li>\n<li>zfs_dedup_log_mem_max<\/li>\n<li>zfs_dedup_log_mem_max_percent<\/li>\n<li>zfs_dedup_log_txg_max<\/li>\n<li>zfs_dio_enabled<\/li>\n<li>zfs_dio_write_verify_events_per_second<\/li>\n<li>zfs_resilver_defer_percent<\/li>\n<li>zfs_scrub_after_expand<\/li>\n<li>zfs_snapshot_no_setuid<\/li>\n<li>zfs_vdev_direct_write_verify<\/li>\n<li>zio_taskq_write_tpq  <\/ul>\n<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62552\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0431\u043e\u043b\u0435\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 OpenZFS 2.3.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b ZFS \u0434\u043b\u044f Linux \u0438 FreeBSD. \u041f\u0440\u043e\u0435\u043a\u0442 \u043f\u043e\u043b\u0443\u0447\u0438\u043b \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u043a\u0430\u043a &#171;ZFS on Linux&#187; \u0438 \u0440\u0430\u043d\u0435\u0435 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u043b\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u043c\u043e\u0434\u0443\u043b\u044f \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux, \u043d\u043e \u043f\u043e\u0441\u043b\u0435 \u0441\u043b\u0438\u044f\u043d\u0438\u044f \u0441 \u043a\u043e\u0434\u043e\u043c \u0438\u0437 FreeBSD \u0431\u044b\u043b \u043f\u0440\u0438\u0437\u043d\u0430\u043d \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 OpenZFS \u0438 \u043f\u0435\u0440\u0435\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d. \u0420\u0430\u0431\u043e\u0442\u0430 OpenZFS \u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u0430 \u0441 \u044f\u0434\u0440\u0430\u043c\u0438 Linux c 4.18 [&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-121334","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0431\u043e\u043b\u0435\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 OpenZFS 2.3.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 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