{"id":89140,"date":"2020-07-19T07:42:14","date_gmt":"2020-07-19T05:42:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/korotkaya-zametka-po-inczidentu-s-peregrevom-raid-kontrollera-lsi-v-servere-v-holodnom-czode"},"modified":"2020-07-19T07:42:14","modified_gmt":"2020-07-19T05:42:14","slug":"korotkaya-zametka-po-inczidentu-s-peregrevom-raid-kontrollera-lsi-v-servere-v-holodnom-czode","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/administrirovanie\/korotkaya-zametka-po-inczidentu-s-peregrevom-raid-kontrollera-lsi-v-servere-v-holodnom-czode","title":{"rendered":"Kurze Notiz zum Vorfall mit der \u00dcberhitzung des LSI-RAID-Controllers im Server im kalten Rechenzentrum","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><strong>TL;DR;<\/strong> Die Konfiguration des K\u00fchlbetriebs des Supermicro-Servers im Optimal-Modus gew\u00e4hrleistet keine Stabilit\u00e4t des LSI MegaRAID 9361-8i Controllers im kalten Rechenzentrum.<\/p>\n<p><\/p>\n<p>Wir bem\u00fchen uns, keine Hardware-RAID-Controller zu verwenden, aber wir haben einen Kunden, der genau diese LSI MegaRAID-Konfigurationen bevorzugt. Heute stie\u00dfen wir auf das Problem der \u00dcberhitzung der MegaRAID 9361-8i-Karte, weil die Plattform <strong>nicht auf<\/strong> \u00dcberhitzung reagierte, w\u00e4hrend der RAID-Controller sie <strong>sp\u00fcrte.<\/strong>.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Die Ansicht der Plattform mit der RAID-Karte ist in den folgenden Abbildungen dargestellt:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Kurze Notiz zum Vorfall mit der \u00dcberhitzung des LSI-RAID-Controllers im Server im kalten Rechenzentrum\" src=\"\/wp-content\/uploads\/2020\/07\/5067a6c270e5cc49eb57b63d6248c0ba.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Kurze Notiz zum Vorfall mit der \u00dcberhitzung des LSI-RAID-Controllers im Server im kalten Rechenzentrum\" src=\"\/wp-content\/uploads\/2020\/07\/f5aaec493149b75866bab1fe7a656350.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Einige wichtige Punkte, die damit zusammenh\u00e4ngen <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/server\/dts-prohoster\/\"   title=\"Server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2994\">Server<\/a> und der Betriebsumgebung:<\/p>\n<p><\/p>\n<p>Der Ingenieur, der die Plattform zusammengebaut hat, stellte gegen\u00fcber der Karte zwei L\u00fcfter auf, da er wei\u00df, dass LSI-Controller stark \u00fcberhitzen. Beachten Sie das Motherboard, es geht kaum \u00fcber den Controller hinaus und endet 3 cm nach dem PCI-E-Slot.<\/p>\n<p><\/p>\n<p>Wie Sie sehen k\u00f6nnen, sind alle L\u00fcfter ordnungsgem\u00e4\u00df mit dem Motherboard von Supermicro verbunden und blasen im <strong>Optimal<\/strong> \"blasen\" abh\u00e4ngig von den Sensoren darauf, der CPU-Temperatur.<\/p>\n<p><\/p>\n<p>In dieser Plattform ist ein Xeon E-2236 installiert \u2014 eine ziemlich k\u00fchle CPU, die beim Kunden anscheinend nicht stark aufgeheizt wurde.<\/p>\n<p><\/p>\n<p>Das Rechenzentrum, in dem dieser Server steht, ist ziemlich k\u00fchl \u2014 der kalte Gang hat 18-20 Grad.<\/p>\n<p><\/p>\n<p>Die Kombination dieser Faktoren f\u00fchrte zu einem interessanten Ph\u00e4nomen \u2014 der \u00dcberhitzung des RAID-Controllers.<\/p>\n<p><\/p>\n<h3 id=\"veroyatnaya-cepochka-kak-eto-proizoshlo\">Die wahrscheinliche Kette, wie es dazu kam, ist<\/h3>\n<p><\/p>\n<ol>\n<li>der kalte Prozessor und das Motherboard berichteten den L\u00fcftern, dass sie nur schwach blasen k\u00f6nnen.<\/li>\n<li>Das Motherboard unter dem RAID fehlte und es gab keine Sensoren, die die \u00dcberhitzung erfassten.<\/li>\n<li>Die L\u00fcfter, die im Optimal-Modus konfiguriert waren, bliesen schwach, gem\u00e4\u00df den Anforderungen des Motherboards und der CPU.<\/li>\n<li>Der Controller \u00fcberhitzte, da er nicht gen\u00fcgend Luftstrom erhielt.<\/li>\n<\/ol>\n<p><\/p>\n<h3 id=\"chto-sdelali\">Was wir taten<\/h3>\n<p><\/p>\n<p>Wir haben die L\u00fcfter in den Modus \"Standard\" versetzt, und bei Bedarf schalten wir auf einen h\u00f6heren Leistungsmodus um.<\/p>\n<p><\/p>\n<h3 id=\"vyvody\">Das DBMS Tarantool ist ein attraktives, zukunftstr\u00e4chtiges Produkt zur Erstellung von hochbelasteten Anwendungen.<\/h3>\n<p><\/p>\n<p>Wahrscheinlich h\u00e4tte dieses Problem nicht aufgetreten, wenn der kalte Gang des Rechenzentrums nicht so kalt gewesen w\u00e4re oder der Kunde die CPU intensiver genutzt h\u00e4tte, da die L\u00fcfter dann in einem intensiveren Modus funktioniert h\u00e4tten.<\/p>\n<p><\/p>\n<p>Wir haben uns entschlossen, den L\u00fcfterbetrieb auf <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/server\/dts-gdansk\/\"   title=\"Servern\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4506\">Servern<\/a> von Optimal auf einen Modus mit h\u00f6herer Drehzahl zu \u00e4ndern.<\/p>\n<p>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/511370\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>TL;DR; \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u0440\u0435\u0436\u0438\u043c\u0430 \u0440\u0430\u0431\u043e\u0442\u044b \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043e\u0445\u043b\u0430\u0436\u0434\u0435\u043d\u0438\u044f \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Supermicro Optimal \u043d\u0435 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u044b LSI-\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430 MegaRAID 9361-8i \u0432 \u0445\u043e\u043b\u043e\u0434\u043d\u043e\u043c \u0426\u041e\u0414-\u0435. \u041c\u044b \u0441\u0442\u0430\u0440\u0430\u0435\u043c\u0441\u044f \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u0435 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u044b RAID, \u043d\u043e \u0435\u0441\u0442\u044c \u0443 \u043d\u0430\u0441 \u043e\u0434\u0438\u043d \u043a\u043b\u0438\u0435\u043d\u0442, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0440\u0435\u0434\u043f\u043e\u0447\u0438\u0442\u0430\u0435\u0442 \u0438\u043c\u0435\u043d\u043d\u043e \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 c LSI MegaRAID. \u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043c\u044b \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u043b\u0438\u0441\u044c \u0441 \u043f\u0435\u0440\u0435\u0433\u0440\u0435\u0432\u043e\u043c \u043a\u0430\u0440\u0442\u044b MegaRAID 9361-8i \u0432 \u0441\u0432\u044f\u0437\u0438 \u0441 \u0442\u0435\u043c, \u0447\u0442\u043e \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u043d\u0435 \u0447\u0443\u0432\u0441\u0442\u0432\u043e\u0432\u0430\u043b\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":89141,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-89140","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"TL;DR; 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Die Konfiguration des K\u00fchlmodus des Supermicro Optimal Servers gew\u00e4hrleistet keine Stabilit\u00e4t des LSI MegaRAID 9361-8i Controllers in einem kalten Rechenzentrum. 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