{"id":105275,"date":"2022-10-11T03:37:41","date_gmt":"2022-10-11T01:37:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-raspredelennogo-replicziruemogo-blochnogo-ustrojstva-drbd-9-2-0"},"modified":"2022-10-11T03:37:41","modified_gmt":"2022-10-11T01:37:42","slug":"reliz-raspredelennogo-replicziruemogo-blochnogo-ustrojstva-drbd-9-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/reliz-raspredelennogo-replicziruemogo-blochnogo-ustrojstva-drbd-9-2-0","title":{"rendered":"Lan\u00e7amento do dispositivo de bloco replic\u00e1vel distribu\u00eddo DRBD 9.2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ado o release do dispositivo de bloco replic\u00e1vel distribu\u00eddo DRBD 9.2.0, que permite criar uma configura\u00e7\u00e3o similar a um array RAID-1, formado por discos de diferentes m\u00e1quinas interligados pela rede (espelhamento pela rede). O sistema \u00e9 apresentado como um m\u00f3dulo para o kernel Linux e \u00e9 distribu\u00eddo sob a licen\u00e7a GPLv2. A ramifica\u00e7\u00e3o drbd 9.2.0 pode ser usada para substituir transparentemente o drbd 9.x.x e \u00e9 completamente compat\u00edvel em n\u00edvel de protocolo, arquivos de configura\u00e7\u00e3o e utilit\u00e1rios.    <\/p>\n<p>O DRBD permite combinar as unidades dos n\u00f3s do cluster em um \u00fanico armazenamento tolerante a falhas. Para aplicativos e sistemas, esse armazenamento se apresenta como um dispositivo de bloco id\u00eantico para todos os sistemas. Ao usar o DRBD, todas as opera\u00e7\u00f5es com o disco local s\u00e3o enviadas para outros n\u00f3s e sincronizadas com os discos de outras m\u00e1quinas. No caso de falha de um n\u00f3, o armazenamento continuar\u00e1 automaticamente a operar com os n\u00f3s restantes. Quando a disponibilidade do n\u00f3 com falha for restaurada, seu estado ser\u00e1 automaticamente atualizado para a vers\u00e3o atual.     <\/p>\n<p>O cluster que forma o armazenamento pode incluir v\u00e1rias dezenas de n\u00f3s, localizados tanto na rede local quanto geograficamente distribu\u00eddos em diferentes <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/kompaniya\/data-centers\/\"   title=\"centros de dados\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4643\">centros de dados<\/a>. A sincroniza\u00e7\u00e3o em tais armazenamentos distribu\u00eddos \u00e9 realizada utilizando tecnologias de rede mesh (os dados se espalham de um n\u00f3 para outro). A replica\u00e7\u00e3o dos n\u00f3s pode ser feita tanto em modo s\u00edncrono quanto ass\u00edncrono. Por exemplo, n\u00f3s localizados podem usar replica\u00e7\u00e3o s\u00edncrona, enquanto para locais remotos pode ser aplicada replica\u00e7\u00e3o ass\u00edncrona com compress\u00e3o e criptografia de tr\u00e1fego adicionais.      <center><img decoding=\"async\" alt=\"Lan\u00e7amento do dispositivo de bloco replic\u00e1vel distribu\u00eddo DRBD 9.2.0 \" src=\"\/wp-content\/uploads\/2022\/10\/846a30d9f2fab4b218f997648fd4ff70.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>No novo lan\u00e7amento:  <\/p>\n<ul>\n<li class=\"l\"> As lat\u00eancias para as requisi\u00e7\u00f5es de grava\u00e7\u00e3o espelhadas foram reduzidas. Uma integra\u00e7\u00e3o mais intensa com a pilha de rede permitiu diminuir o n\u00famero de mudan\u00e7as de contexto do escalonador.\n<li class=\"l\"> A competi\u00e7\u00e3o entre E\/S de aplicativos e E\/S de ressincroniza\u00e7\u00e3o foi reduzida pela otimiza\u00e7\u00e3o das bloqueios durante a ressincroniza\u00e7\u00e3o de extens\u00f5es.\n<li class=\"l\"> A performance of resynchronization has been significantly improved on backends that use dynamic storage allocation (\"thin provisioning\"). This performance boost was achieved by combining trim\/discard operations, which take considerably longer than standard write operations.\n<li class=\"l\"> Adicionada a suporte para namespaces de rede, permitindo a integra\u00e7\u00e3o com Kubernetes para a transmiss\u00e3o de tr\u00e1fego de rede de replica\u00e7\u00f5es atrav\u00e9s de uma rede separada vinculada a cont\u00eaineres, em vez da rede do ambiente host.\n<li class=\"l\"> Adicionado o m\u00f3dulo transport_rdma para uso como transporte Infiniband\/RoCE em vez de TCP\/IP sobre Ethernet. O uso do novo transporte reduz as lat\u00eancias, diminui a carga na CPU e possibilita a transfer\u00eancia de dados sem opera\u00e7\u00f5es de c\u00f3pia desnecess\u00e1rias (zero-copy).  <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57896\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0440\u0435\u043f\u043b\u0438\u0446\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u0431\u043b\u043e\u0447\u043d\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 DRBD 9.2.0, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u043e\u0434\u043e\u0431\u0438\u0435 \u043c\u0430\u0441\u0441\u0438\u0432\u0430 RAID-1, \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0438\u0437 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0451\u043d\u043d\u044b\u0445 \u043f\u043e \u0441\u0435\u0442\u0438 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u0434\u0438\u0441\u043a\u043e\u0432 \u0440\u0430\u0437\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d (\u0437\u0435\u0440\u043a\u0430\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e \u0441\u0435\u0442\u0438). \u0421\u0438\u0441\u0442\u0435\u043c\u0430 \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u0430 \u0432 \u0432\u0438\u0434\u0435 \u043c\u043e\u0434\u0443\u043b\u044f \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2. \u0412\u0435\u0442\u043a\u0430 drbd 9.2.0 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u043e\u0439 \u0437\u0430\u043c\u0435\u043d\u044b drbd 9.x.x \u0438 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u0430 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430, \u0444\u0430\u0439\u043b\u043e\u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":105276,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105275","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 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0440\u0435\u043f\u043b\u0438\u0446\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u0431\u043b\u043e\u0447\u043d\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 DRBD 9.2.0, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e 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