{"id":169363,"date":"2026-04-20T11:12:05","date_gmt":"2026-04-20T09:12:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-bcachefs-1-38-0-distributiv-nasty-dlya-razvyortyvaniya-nas-na-baze-bcachefs"},"modified":"2026-04-20T11:12:05","modified_gmt":"2026-04-20T09:12:05","slug":"vypusk-bcachefs-1-38-0-distributiv-nasty-dlya-razvyortyvaniya-nas-na-baze-bcachefs","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-bcachefs-1-38-0-distributiv-nasty-dlya-razvyortyvaniya-nas-na-baze-bcachefs","title":{"rendered":"Lan\u00e7amento do Bcachefs 1.38.0. A distribui\u00e7\u00e3o NASty para implanta\u00e7\u00e3o de NAS baseada em Bcachefs.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Kent Overstreet publicou a vers\u00e3o 1.38.0 do sistema de arquivos Bcachefs. A vers\u00e3o inclui dois pacotes: bcachefs-kernel-dkms com o m\u00f3dulo do kernel, compilado por meio do sistema DKMS (Dynamic Kernel Module Support), e bcachefs-tools com a ferramenta bcachefs em espa\u00e7o de usu\u00e1rio, que implementa comandos para cria\u00e7\u00e3o (mkfs), montagem, recupera\u00e7\u00e3o e verifica\u00e7\u00e3o do sistema de arquivos. Os pacotes foram compilados para Debian, Ubuntu e est\u00e3o sendo aguardados para Arch Linux, Fedora, openSUSE e NixOS. O m\u00f3dulo DKMS suporta kernels Linux a partir da vers\u00e3o 6.16.      <\/p>\n<p>O projeto Bcachefs est\u00e1 desenvolvendo um sistema de arquivos que visa combinar a funcionalidade avan\u00e7ada caracter\u00edstica do Btrfs e ZFS com o n\u00edvel de desempenho, confiabilidade e escalabilidade t\u00edpico do XFS. O Bcachefs suporta recursos como a inclus\u00e3o de v\u00e1rios dispositivos em uma parti\u00e7\u00e3o, arranjos de armazenamento em camadas (camada inferior com dados de uso frequente em SSDs r\u00e1pidos, e camada superior com dados menos exigidos de hard disks), replica\u00e7\u00e3o (RAID 1\/10), cache, compress\u00e3o de dados transparente (modos LZ4, gzip e ZSTD), snapshots, verifica\u00e7\u00e3o de integridade por somas de verifica\u00e7\u00e3o, c\u00f3digos de corre\u00e7\u00e3o de erros, e armazenamento de informa\u00e7\u00f5es de forma criptografada (utilizando ChaCha20 e Poly1305).      <\/p>\n<p>Na nova vers\u00e3o:  <\/p>\n<ul>\n<li class=\"l\"> A estrutura Btree need_discard, utilizada para rastrear conjuntos de blocos liberados, foi convertida para indexa\u00e7\u00e3o por n\u00famero sequencial a partir do registro em vez de uma combina\u00e7\u00e3o de dispositivo\/conjunto de blocos (device\/bucket). Essa altera\u00e7\u00e3o permitiu acelerar a manipula\u00e7\u00e3o da estrutura need_discard e evitar a ocorr\u00eancia de deadlocks durante a recupera\u00e7\u00e3o do registro ao montar o sistema de arquivos com um n\u00famero insuficiente de blocos livres para metadados.\n<li class=\"l\"> As opera\u00e7\u00f5es de grava\u00e7\u00e3o no registro foram movidas para uma fila fifo separada, e o n\u00famero m\u00e1ximo de opera\u00e7\u00f5es de grava\u00e7\u00e3o no registro realizadas simultaneamente foi aumentado de 16 para 256, o que acelerou o trabalho em grandes armazenamentos com carga intensa de grava\u00e7\u00e3o.\n<li class=\"l\"> A montagem do sistema de arquivos com um grande n\u00famero de instant\u00e2neas foi significativamente acelerada.        <\/ul>\n<p>Adicionalmente, \u00e9 importante mencionar o lan\u00e7amento do projeto NASty 0.0.3, que desenvolve uma distribui\u00e7\u00e3o para cria\u00e7\u00e3o de armazenamentos em rede (NAS) com base em hardware padr\u00e3o. A distribui\u00e7\u00e3o \u00e9 constru\u00edda sobre a base de pacotes do NixOS, utiliza o sistema de arquivos Bcachefs e suporta o acesso a arquivos via NFS e SMB, bem como a exporta\u00e7\u00e3o de dispositivos de bloco atrav\u00e9s de iSCSI e NVMe-oF. O gerenciamento \u00e9 realizado atrav\u00e9s de uma interface web. O tamanho da imagem ISO de instala\u00e7\u00e3o \u00e9 de 1,9 GB. Os trabalhos do projeto s\u00e3o distribu\u00eddos sob a licen\u00e7a GPLv3. A interface web \u00e9 escrita em TypeScript utilizando o framework SvelteKit. O mecanismo para gerenciar o armazenamento e o sistema \u00e9 escrito na linguagem Rust.    <\/p>\n<p>As atualiza\u00e7\u00f5es s\u00e3o baixadas e instaladas automaticamente. O sistema \u00e9 atualizado de forma at\u00f4mica, com a possibilidade de reverter para o estado anterior em caso de problemas na nova vers\u00e3o. Na interface web, est\u00e3o dispon\u00edveis funcionalidades para gerenciar sistemas de arquivos, snapshots, parti\u00e7\u00f5es, discos, m\u00e1quinas virtuais e compartilhamento. H\u00e1 um gerenciador de arquivos e um emulador de terminal integrados \u00e0 interface web, que funcionam no navegador. \u00c9 poss\u00edvel criar regras para executar a\u00e7\u00f5es e notificar o administrador em caso de consumo excessivo de espa\u00e7o em disco, falhas no funcionamento dos dispositivos e superaquecimento.    <\/p>\n<p>Suporte a execu\u00e7\u00e3o de ambientes e aplicativos isolados usando virtualiza\u00e7\u00e3o baseada em QEMU\/KVM e isolamento de cont\u00eainer com o runtime k3s (\u00e9 poss\u00edvel instalar charts do Helm diretamente pela WebUI para executar aplicativos em cont\u00eaineres e configurar o acesso via nginx ingress). A integra\u00e7\u00e3o com a plataforma Kubernetes \u00e9 suportada, para a qual um driver CSI \u00e9 fornecido para aloca\u00e7\u00e3o din\u00e2mica de espa\u00e7o de armazenamento. A distribui\u00e7\u00e3o por padr\u00e3o envia telemetria com dados anonimizada sobre o n\u00famero de dispositivos de armazenamento e o tamanho do armazenamento (a telemetria pode ser desativada na se\u00e7\u00e3o &#171;Configura\u00e7\u00f5es &#8594; Telemetria&#187;).     <\/p>\n<p>As raz\u00f5es para escolher Bcachefs em vez de ZFS incluem o desenvolvimento ativo, a distribui\u00e7\u00e3o sob licen\u00e7a GPL, um modelo de trabalho simples com FS, parti\u00e7\u00f5es e snapshots (sem conceitos complicados, como datasets, zvols e pools aninhados) e a presen\u00e7a de recursos avan\u00e7ados, como a movimenta\u00e7\u00e3o autom\u00e1tica de dados raramente utilizados para dispositivos mais lentos, c\u00f3digos de corre\u00e7\u00e3o de erros e recupera\u00e7\u00e3o de danos sem interromper o trabalho com FS.    <\/p>\n<p>As mudan\u00e7as na vers\u00e3o NASty 0.0.3 incluem:  <\/p>\n<ul>\n<li class=\"l\"> a transi\u00e7\u00e3o para o uso do mecanismo nix flake para empacotamento e gerenciamento de depend\u00eancias;\n<li class=\"l\"> suporte <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/vpn\/\" title=\"VPN\" data-wpil-keyword-link=\"linked\">VPN<\/a> Tailscale para encaminhamento NVMe-oF sobre VPN;\n<li class=\"l\"> integra\u00e7\u00e3o do k3s runtime; adi\u00e7\u00e3o do NUT (Network UPS Tools) para monitoramento de dispositivos de fornecimento ininterrupto;\n<li class=\"l\"> um painel web para configura\u00e7\u00e3o detalhada de NFS, SMB e iSCSI (incluindo op\u00e7\u00f5es para selecionar o planejador de entrada\/sa\u00edda, logging e reserva de metadados);\n<li class=\"l\"> configura\u00e7\u00f5es adicionais para Bcachefs (gerenciamento de c\u00f3digos de corre\u00e7\u00e3o de erros, sele\u00e7\u00e3o do algoritmo de checksum, rebalanceamento online etc.);\n<li class=\"l\"> suporte ao cache Cachix para acelerar a entrega de atualiza\u00e7\u00f5es;\n<li class=\"l\"> capacidade de gera\u00e7\u00e3o <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/ssl-sertifikat\/\" title=\"certificados TLS\" data-wpil-keyword-link=\"linked\">certificados TLS<\/a> via Let's Encrypt;\n<li class=\"l\"> incluindo as utilidades iotop-c, btop, fwupd, rsync e croc.  <\/ul>\n<p>    <img decoding=\"async\" alt=\"Lan\u00e7amento do Bcachefs 1.38.0. A distribui\u00e7\u00e3o NASty para implanta\u00e7\u00e3o de NAS baseada em Bcachefs.\" src=\"\/wp-content\/uploads\/2026\/04\/d3afec381967fe835b86f21d1e91f11d.jpg\" style=\"display:block;margin: 0 auto\" \/><br \/>\n<br \/>Fonte: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65244\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u0435\u043d\u0442 \u041e\u0432\u0435\u0440\u0441\u0442\u0440\u0438\u0442 (Kent Overstreet) \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0432\u044b\u043f\u0443\u0441\u043a \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Bcachefs 1.38.0. \u0412\u044b\u043f\u0443\u0441\u043a \u043e\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0434\u0432\u0430 \u043f\u0430\u043a\u0435\u0442\u0430: bcachefs-kernel-dkms \u0441 \u043c\u043e\u0434\u0443\u043b\u0435\u043c \u044f\u0434\u0440\u0430, \u0441\u043e\u0431\u0438\u0440\u0430\u0435\u043c\u044b\u043c \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u044b DKMS (Dynamic Kernel Module Support), \u0438 bcachefs-tools \u0441 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c\u043e\u0439 \u0432 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0443\u0442\u0438\u043b\u0438\u0442\u043e\u0439 bcachefs, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0449\u0435\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u044b \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f (mkfs), \u043c\u043e\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f, \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0424\u0421. \u041f\u0430\u043a\u0435\u0442\u044b \u0441\u043e\u0431\u0440\u0430\u043d\u044b \u0434\u043b\u044f Debian, Ubuntu \u0438 \u043e\u0436\u0438\u0434\u0430\u044e\u0442\u0441\u044f \u0434\u043b\u044f Arch [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":169364,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-169363","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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