{"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\/ro\/blog\/news\/vypusk-klasternoj-fs-lustre-2-13","title":{"rendered":"Lansarea sistemului de fi\u0219iere clusterizat 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\">Publicat<\/a><\/noindex> lansarea sistemului de fi\u0219iere cluster <noindex><a rel=\"nofollow\" href=\"http:\/\/lustre.org\/\">Lustre 2.13<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/01.org\/lustre-software\">utilizat<\/a><\/noindex> \u00een cea mai mare parte (~60%) <noindex><a rel=\"nofollow\" href=\"http:\/\/top500.org\/\">dintre cele mai mari<\/a><\/noindex> clustere Linux, care con\u021bin zeci de mii de noduri. Scalabilitatea \u00een astfel de sisteme mari se ob\u021bine datorit\u0103 arhitecturii multi-component. Componentele cheie ale Lustre sunt serverele de procesare \u0219i stocare a metadatelor (MDS), serverele de gestionare (MGS), serverele de stocare a obiectelor (OSS), spa\u021biul de stocare a obiectelor (OST, care suport\u0103 operarea pe ext4 \u0219i ZFS) \u0219i clien\u021bii. <\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"http:\/\/opensfs.org\/wp-content\/uploads\/2013\/10\/LustreComponents21.gif\"><img decoding=\"async\" alt=\"Lansarea sistemului de fi\u0219iere clusterizat Lustre 2.13\" src=\"\/wp-content\/uploads\/2019\/12\/f15528122c05c786342417f8ef425c70.gif\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Principalele <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.lustre.org\/Lustre_2.13.0_Changelog\">nout\u0103\u021bi<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/jira.whamcloud.com\/browse\/LU-10092\">Implementat<\/a><\/noindex> cache persistent pe partea clientului (Persistent Client Cache), care permite utilizarea stoc\u0103rii locale, cum ar fi NVMe sau NVRAM, ca parte a numelui de spa\u021biu global al FS. Clien\u021bii pot cachea datele asociate cu fi\u0219ierele create sau existente \u00een sistemul de fi\u0219iere montat local cu cache (de exemplu, \u00een ext4). \u00cen timpul oper\u0103rii, aceste fi\u0219iere sunt procesate local cu viteza sistemului de fi\u0219iere local, dar, \u00een cazul \u00een care un alt client \u00eencearc\u0103 s\u0103 le acceseze, se migrateaz\u0103 automat \u00een FS-ul global.\n<li class=\"l\"> \u00cen routere <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\">a fost implementat<\/a><\/noindex> detectarea automat\u0103 a rutelor utiliz\u00e2nd rutare pe mai multe c\u0103i prin diferite interfe\u021be de re\u021bea (Multi-Rail Routing) \u0219i fiabilitatea crescut\u0103 a configura\u021biilor cu noduri care au mai multe interfe\u021be de re\u021bea.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/jira.whamcloud.com\/browse\/LU-9846\">Ad\u0103ugat<\/a><\/noindex> modulul \u201eoverstriping\u201d, \u00een care un depozit de obiecte (OST) poate con\u021bine mai multe copii ale blocurilor stripe pentru un singur fi\u0219ier, ceea ce permite mai multor clien\u021bi s\u0103 efectueze simultan opera\u021biuni de scriere \u00een fi\u0219ier f\u0103r\u0103 a a\u0219tepta s\u0103 se elibereze blocarea.\n<li class=\"l\"> A ap\u0103rut <noindex><a rel=\"nofollow\" href=\"https:\/\/jira.whamcloud.com\/browse\/LU-10070\">suport pentru<\/a><\/noindex> scheme de plasare a fi\u0219ierelor autoextensibile (Self-Extending Layouts), care cresc flexibilitatea utiliz\u0103rii modului PFL (Progressive File Layouts) \u00een sisteme de fi\u0219iere heterogene. De exemplu, c\u00e2nd sistemul de fi\u0219iere include mici grupuri de stocare bazate pe unit\u0103\u021bi flash rapide \u0219i mari grupuri de discuri, op\u021biunea propus\u0103 permite \u00een primul r\u00e2nd scrierea \u00een stoc\u0103rile rapide \u0219i, dup\u0103 ce spa\u021biul se epuizeaz\u0103, comutarea automat pe grupurile de discuri mai lente.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51994\">opennet.ro<\/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 5.0.2.1 - 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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