{"id":53738,"date":"2019-12-09T00:00:00","date_gmt":"2019-12-08T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vypusk-klasternoj-fs-lustre-2-13"},"modified":"2020-02-18T14:01:40","modified_gmt":"2020-02-18T11:01:40","slug":"vypusk-klasternoj-fs-lustre-2-13","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-klasternoj-fs-lustre-2-13","title":{"rendered":"Lan\u00e7amento do sistema de arquivos em cluster Lustre 2.13","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/lustre-announce@lists.lustre.org\/msg00177.html\">Publicado<\/a><\/noindex> lan\u00e7amento do sistema de arquivos em cluster <noindex><a rel=\"nofollow\" href=\"http:\/\/lustre.org\/\">Lustre 2.13<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/01.org\/lustre-software\">utilizado<\/a><\/noindex> na maior parte (~60%) <noindex><a rel=\"nofollow\" href=\"http:\/\/top500.org\/\">dos maiores<\/a><\/noindex> clusters Linux, que cont\u00eam dezenas de milhares de n\u00f3s. A escalabilidade em sistemas t\u00e3o grandes \u00e9 alcan\u00e7ada gra\u00e7as \u00e0 arquitetura de m\u00faltiplos componentes. Os componentes chave do Lustre incluem servidores de processamento e armazenamento de metadados (MDS), servidores de gerenciamento (MGS), servidores de armazenamento de objetos (OSS), armazenamento de objetos (OST, que suporta opera\u00e7\u00e3o sobre ext4 e ZFS) e clientes. <\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"http:\/\/opensfs.org\/wp-content\/uploads\/2013\/10\/LustreComponents21.gif\"><img decoding=\"async\" alt=\"Lan\u00e7amento do sistema de arquivos em cluster Lustre 2.13\" src=\"\/wp-content\/uploads\/2019\/12\/f15528122c05c786342417f8ef425c70.gif\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Principais <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.lustre.org\/Lustre_2.13.0_Changelog\">novidades<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/jira.whamcloud.com\/browse\/LU-10092\">o operador de sequ\u00eancia opcional<\/a><\/noindex> cache persistente do lado do cliente (Persistent Client Cache), permitindo utilizar armazenamento local, como NVMe ou NVRAM, como parte do espa\u00e7o global do sistema de arquivos. Os clientes podem armazenar em cache dados relacionados a arquivos que est\u00e3o sendo criados ou que j\u00e1 existem, em um sistema de arquivos montado localmente com cache (por exemplo, ext4). Durante a opera\u00e7\u00e3o do cliente atual, esses arquivos s\u00e3o processados localmente na velocidade do sistema de arquivos local, mas, caso outro cliente tente acess\u00e1-los, migrar\u00e3o automaticamente para o sistema de arquivos global.\n<li class=\"l\"> Nos roteadores <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.lustre.org\/LNet_Router_Config_Guide\">LNet<\/a><\/noindex>  <noindex><a rel=\"nofollow\" href=\"https:\/\/jira.whamcloud.com\/browse\/LU-11297\">implementado<\/a><\/noindex> descoberta autom\u00e1tica de rotas ao utilizar roteamento por m\u00faltiplos caminhos atrav\u00e9s de diferentes interfaces de rede (Multi-Rail Routing) e aumentou a confiabilidade do funcionamento de configura\u00e7\u00f5es com n\u00f3s que possuem v\u00e1rias interfaces de rede.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/jira.whamcloud.com\/browse\/LU-9846\">Adicionado<\/a><\/noindex> modo &#171;overstriping&#187;, onde em um \u00fanico armazenamento de objetos (OST) podem existir v\u00e1rias c\u00f3pias de blocos de stripe para um \u00fanico arquivo, permitindo que v\u00e1rios clientes realizem opera\u00e7\u00f5es de grava\u00e7\u00e3o simultaneamente no arquivo sem esperar pela libera\u00e7\u00e3o do bloqueio.\n<li class=\"l\"> Foi adicionada <noindex><a rel=\"nofollow\" href=\"https:\/\/jira.whamcloud.com\/browse\/LU-10070\">suporte<\/a><\/noindex> esquemas de aloca\u00e7\u00e3o de arquivos auto-expans\u00edveis (Self-Extending Layouts), aumentando a flexibilidade da aplica\u00e7\u00e3o do modo PFL (Progressive File Layouts) em sistemas de arquivos heterog\u00eaneos. Por exemplo, quando o sistema de arquivos inclui pequenos pools de armazenamento baseados em unidades Flash r\u00e1pidas e grandes pools de disco, a possibilidade proposta permite, em primeiro lugar, realizar grava\u00e7\u00f5es em armazenamentos r\u00e1pidos, e ap\u00f3s a falta de espa\u00e7o, alternar automaticamente para os pools de discos mais lentos.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51994\">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 \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u043d\u043e\u0439 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Lustre 2.13, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 \u0432 \u0431\u043e\u043b\u044c\u0448\u0435\u0439 \u0447\u0430\u0441\u0442\u0438 (~60%) \u043a\u0440\u0443\u043f\u043d\u0435\u0439\u0448\u0438\u0445 Linux-\u043a\u043b\u0430\u0441\u0442\u0435\u0440\u043e\u0432, \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0438\u0445 \u0434\u0435\u0441\u044f\u0442\u043a\u0438 \u0442\u044b\u0441\u044f\u0447 \u0443\u0437\u043b\u043e\u0432. \u041c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u043c\u043e\u0441\u0442\u044c \u043d\u0430 \u0441\u0442\u043e\u043b\u044c \u043a\u0440\u0443\u043f\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0434\u043e\u0441\u0442\u0438\u0433\u0430\u0435\u0442\u0441\u044f \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u043c\u043d\u043e\u0433\u043e\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043d\u043e\u0439 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0435. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u043c\u0438 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430\u043c\u0438 Lustre \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0441\u0435\u0440\u0432\u0435\u0440\u044b \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u043c\u0435\u0442\u0430\u0434\u0430\u043d\u043d\u044b\u0445 (MDS), \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u044b (MGS), \u0441\u0435\u0440\u0432\u0435\u0440\u044b \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 (OSS), \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 (OST, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0440\u0430\u0431\u043e\u0442\u0430 \u043f\u043e\u0432\u0435\u0440\u0445 ext4 \u0438 ZFS) \u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u044b. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":53739,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-53738","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 \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u043d\u043e\u0439 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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