{"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\/it\/blog\/novosti-interneta\/vypusk-klasternoj-fs-lustre-2-13","title":{"rendered":"Rilascio del file system clustering 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\">Pubblicato<\/a><\/noindex> rilascio del file system a cluster <noindex><a rel=\"nofollow\" href=\"http:\/\/lustre.org\/\">Lustre 2.13<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/01.org\/lustre-software\">utilizzato<\/a><\/noindex> nella maggior parte (~60%) <noindex><a rel=\"nofollow\" href=\"http:\/\/top500.org\/\">dei pi\u00f9 grandi<\/a><\/noindex> cluster Linux, contenenti decine di migliaia di nodi. La scalabilit\u00e0 su sistemi di queste dimensioni \u00e8 raggiunta grazie a un'architettura multi-componente. I componenti chiave di Lustre includono i server di elaborazione e archiviazione dei metadati (MDS), i server di gestione (MGS), i server di archiviazione degli oggetti (OSS), lo storage degli oggetti (OST, supportato da ext4 e ZFS) e i client. <\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"http:\/\/opensfs.org\/wp-content\/uploads\/2013\/10\/LustreComponents21.gif\"><img decoding=\"async\" alt=\"Rilascio del file system clustering Lustre 2.13\" src=\"\/wp-content\/uploads\/2019\/12\/f15528122c05c786342417f8ef425c70.gif\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Principali <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.lustre.org\/Lustre_2.13.0_Changelog\">novit\u00e0<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/jira.whamcloud.com\/browse\/LU-10092\">Implementato<\/a><\/noindex> cache persistente lato client (Persistent Client Cache), che consente di utilizzare lo storage locale, come NVMe o NVRAM, come parte dello spazio dei nomi globale del file system. I client possono memorizzare nella cache i dati associati a file creati o esistenti, in un file system montato localmente con cache (ad esempio, in ext4). Durante il funzionamento del client attuale, questi file vengono elaborati localmente alla velocit\u00e0 del file system locale, ma, nel caso di un accesso da parte di un altro client, migrano automaticamente nel file system globale.\n<li class=\"l\"> Nei router <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\">implementato<\/a><\/noindex> rilevamento automatico dei percorsi quando si utilizza la routing su pi\u00f9 percorsi tramite diverse interfacce di rete (Multi-Rail Routing) e maggiore affidabilit\u00e0 delle configurazioni con nodi che dispongono di pi\u00f9 interfacce di rete.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/jira.whamcloud.com\/browse\/LU-9846\">Aggiunto<\/a><\/noindex> la modalit\u00e0 \u00aboverstriping\u00bb, in cui un unico repository di oggetti (OST) pu\u00f2 contenere pi\u00f9 copie di blocchi stripe per un file, consentendo a pi\u00f9 client di eseguire operazioni di scrittura simultaneamente senza dover attendere il rilascio del blocco.\n<li class=\"l\"> \u00c8 stata aggiunta <noindex><a rel=\"nofollow\" href=\"https:\/\/jira.whamcloud.com\/browse\/LU-10070\">support<\/a><\/noindex> schemi di allocazione dei file autoespandibili (Self-Extending Layouts), che aumentano la flessibilit\u00e0 dell'uso della modalit\u00e0 PFL (Progressive File Layouts) in sistemi di file eterogenei. Ad esempio, quando il sistema di file include piccoli pool di archiviazione basati su veloci unit\u00e0 Flash e grandi pool di dischi, la funzionalit\u00e0 proposta consente di scrivere prioritariamente negli archivi veloci e, una volta esaurito lo spazio, di passare automaticamente ai pool di dischi pi\u00f9 lenti.\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-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - 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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