{"id":181781,"date":"2026-05-28T14:48:30","date_gmt":"2026-05-28T12:48:30","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovana-sistema-hraneniya-blockstor-yavlyayushhayasya-alternativoj-linstor"},"modified":"2026-05-28T14:48:30","modified_gmt":"2026-05-28T12:48:30","slug":"opublikovana-sistema-hraneniya-blockstor-yavlyayushhayasya-alternativoj-linstor","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/opublikovana-sistema-hraneniya-blockstor-yavlyayushhayasya-alternativoj-linstor","title":{"rendered":"Foi publicada a sistema de armazenamento Blockstor, uma alternativa ao LINSTOR.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Est\u00e1 dispon\u00edvel a primeira vers\u00e3o do Blockstor \u2014 um sistema de gerenciamento aberto de armazenamento em blocos distribu\u00eddos para Kubernetes, que oferece replica\u00e7\u00e3o de dados sobre DRBD. O Blockstor \u00e9 compat\u00edvel por API REST com o LINSTOR e pode operar sem altera\u00e7\u00f5es com o ecossistema existente de clientes, incluindo a ferramenta de linha de comando linstor, o driver CSI, o operador Piraeus, ha-controller e a biblioteca golinstor. O projeto \u00e9 uma implementa\u00e7\u00e3o totalmente independente (clean-room) na linguagem Go, que n\u00e3o utiliza o c\u00f3digo-fonte original. O c\u00f3digo \u00e9 distribu\u00eddo sob a licen\u00e7a Apache 2.0 e est\u00e1 sendo desenvolvido na plataforma Cozystack (projeto CNCF Sandbox).<\/p>\n<p>O autor do projeto \u00e9 Andrei Kvapil (@kvaps), fundador do Cozystack e membro da organiza\u00e7\u00e3o sem fins lucrativos Piraeus, na qual o operador e o driver CSI LINSTOR para Kubernetes est\u00e3o sendo desenvolvidos. O autor \u00e9 conhecido na comunidade Kubernetes como um promotor do LINSTOR e apresentou v\u00e1rias palestras t\u00e9cnicas sobre o tema. Inicialmente, o desenvolvimento foi planejado como uma pequena iniciativa de 'sexta-feira', mas acabou se transformando em cerca de 20 dias de trabalho cont\u00ednuo. No momento, o projeto est\u00e1 sendo desenvolvido como uma pesquisa, mas no futuro \u00e9 considerado como uma poss\u00edvel substitui\u00e7\u00e3o do LINSTOR como sistema de armazenamento padr\u00e3o na Cozystack.<\/p>\n<p>As raz\u00f5es para a cria\u00e7\u00e3o do novo projeto incluem dificuldades em manter o projeto original e em transferir mudan\u00e7as para o projeto principal, al\u00e9m de limita\u00e7\u00f5es arquitet\u00f4nicas do LINSTOR. O projeto original utiliza um modelo de processamento de solicita\u00e7\u00f5es em tempo real baseado em 'request-based', que apresenta problemas em larga escala, enquanto a abordagem declarativa de reconciliation do Kubernetes e o framework controller-runtime, na opini\u00e3o do autor, se adequam muito melhor \u00e0 constru\u00e7\u00e3o de sistemas distribu\u00eddos.<\/p>\n<p>Ao contr\u00e1rio do LINSTOR, a arquitetura do Blockstor \u00e9 totalmente baseada na abordagem do Kubernetes controller-runtime. A configura\u00e7\u00e3o e o estado atual do sistema s\u00e3o apresentados como objetos CRD do Kubernetes, e o pr\u00f3prio sistema n\u00e3o foi projetado para funcionar fora de um cluster Kubernetes.<\/p>\n<p>Entre as principais funcionalidades do Blockstor:<\/p>\n<ul>\n<li class=\"l\"> Volumes replic\u00e1veis sobre DRBD baseados em LVM, LVM-thin, ZFS, ZFS-thin e backends de arquivos.\n<li class=\"l\"> Aloca\u00e7\u00e3o autom\u00e1tica de r\u00e9plicas considerando zonas, propriedades dos n\u00f3s e regras de 'replicas-on-different'.\n<li class=\"l\"> Suporte a TieBreaker, quorum e redimensionamento de volumes sem interromper a opera\u00e7\u00e3o.\n<li class=\"l\"> Capacidade de opera\u00e7\u00e3o sem DRBD em modo local (disco \u00fanico com r\u00e9plica) ou armazenamento sem disco.\n<li class=\"l\"> Criptografia de volumes via LUKS.\n<li class=\"l\"> Suporte a snapshots: cria\u00e7\u00e3o, rollback, clonagem e recupera\u00e7\u00e3o como um novo recurso.\n<li class=\"l\"> Transfer\u00eancia de snapshots dentro do cluster atrav\u00e9s de zfs send\/recv e thin-send-recv.\n<li class=\"l\"> Cria\u00e7\u00e3o de storage pools a partir de discos f\u00edsicos.\n<li class=\"l\"> Imagens de cont\u00eaineres compiladas para diferentes arquiteturas (linux\/amd64 e linux\/arm64), publicadas no GHCR.\n<\/ul>\n<p>Uma caracter\u00edstica do projeto foi o uso ativo de ferramentas de IA durante o desenvolvimento. Praticamente todo o c\u00f3digo foi preparado com a ajuda do Claude Code (modelo Opus 4.7) da Anthropic. O desenvolvimento foi realizado quase 24 horas por dia durante cerca de 20 dias. Em certos momentos, at\u00e9 60 agentes de IA estavam operando simultaneamente, e o di\u00e1logo de desenvolvimento consistiu em cerca de 1320 perguntas do autor e aproximadamente 36 mil respostas do modelo em uma \u00fanica sess\u00e3o cont\u00ednua.<\/p>\n<p>No final, foram gerados 1500 commits, dos quais 83 mil linhas de c\u00f3digo foram dedicadas \u00e0 implementa\u00e7\u00e3o e mais 137 mil linhas de c\u00f3digo foram para testes. A avalia\u00e7\u00e3o preliminar indica que foram gastos cerca de 18,9 bilh\u00f5es de tokens, e o custo equivalente do uso das tarifas de API seria de aproximadamente 40 mil d\u00f3lares.<\/p>\n<p>O autor inicialmente esperava um desenvolvimento quase totalmente aut\u00f4nomo por parte do modelo de IA, por\u00e9m, a l\u00f3gica complexa do DRBD exigiu a participa\u00e7\u00e3o constante de um humano. Os cen\u00e1rios mais complicados foram a converg\u00eancia dos estados do DRBD, trabalho com o Identificador de Gera\u00e7\u00e3o (GI), bypass da sincroniza\u00e7\u00e3o inicial e tratamento de cen\u00e1rios de split-brain.<\/p>\n<p>Como o LINSTOR original \u00e9 distribu\u00eddo sob a licen\u00e7a GPL, seu c\u00f3digo n\u00e3o podia ser usado diretamente. A maior parte da implementa\u00e7\u00e3o foi criada com base na an\u00e1lise dos contratos da API, no comportamento das utilit\u00e1rias, no cliente Python do LINSTOR, e em projetos compat\u00edveis com a licen\u00e7a, incluindo o piraeus-operator e o driver CSI.<\/p>\n<p>Nos casos mais complexos, foi aplicada uma abordagem com divis\u00e3o de pap\u00e9is entre os agentes de IA: um agente analisava o c\u00f3digo-fonte do LINSTOR e formulava uma especifica\u00e7\u00e3o textual do comportamento, ap\u00f3s o que outro agente implementava a funcionalidade exclusivamente com base nessa especifica\u00e7\u00e3o, sem c\u00f3pia direta do c\u00f3digo-fonte. Devido \u00e0 falta de testes abertos no projeto original, a base de testes teve que ser formada de forma independente.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65546\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a Blockstor &#8212; \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u043c \u0431\u043b\u043e\u0447\u043d\u044b\u043c \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435\u043c \u0434\u043b\u044f Kubernetes, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0439 \u0440\u0435\u043f\u043b\u0438\u043a\u0430\u0446\u0438\u044e \u0434\u0430\u043d\u043d\u044b\u0445 \u043f\u043e\u0432\u0435\u0440\u0445 DRBD. Blockstor \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c \u043f\u043e REST API \u0441 LINSTOR \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u0435\u043d \u0431\u0435\u0437 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0439 \u044d\u043a\u043e\u0441\u0438\u0441\u0442\u0435\u043c\u043e\u0439 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u0443\u044e \u0443\u0442\u0438\u043b\u0438\u0442\u0443 linstor, CSI-\u0434\u0440\u0430\u0439\u0432\u0435\u0440, \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 Piraeus, ha-controller \u0438 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 golinstor. \u041f\u0440\u043e\u0435\u043a\u0442 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0441\u0430\u043c\u043e\u0441\u0442\u043e\u044f\u0442\u0435\u043b\u044c\u043d\u0443\u044e (clean-room) \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Go, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-181781","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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