{"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\/es\/blog\/administrirovanie\/korotkaya-zametka-po-inczidentu-s-peregrevom-raid-kontrollera-lsi-v-servere-v-holodnom-czode","title":{"rendered":"Nota breve sobre el incidente de sobrecalentamiento del controlador RAID LSI en el servidor en el centro de datos fr\u00edo","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

TL;DR;<\/strong> La configuraci\u00f3n del modo de operaci\u00f3n del sistema de refrigeraci\u00f3n del servidor Supermicro Optimal no garantiza la estabilidad del controlador LSI MegaRAID 9361-8i en un centro de datos fr\u00edo.<\/p>\n

<\/p>\n

Tratamos de evitar el uso de controladores RAID de hardware, pero tenemos un cliente que prefiere configuraciones con LSI MegaRAID. Hoy nos encontramos con un sobrecalentamiento de la tarjeta MegaRAID 9361-8i debido a que la plataforma no detectaba<\/strong> el sobrecalentamiento, mientras que el controlador RAID s\u00ed lo detectaba.<\/strong>.<\/p>\n

<\/a><\/noindex><\/p>\n

La vista de la plataforma con la tarjeta RAID se muestra en las im\u00e1genes a continuaci\u00f3n:<\/p>\n

<\/p>\n

\"Nota<\/p>\n

<\/p>\n

\"Nota<\/p>\n

<\/p>\n

Algunos puntos importantes relacionados con esto el servidor<\/a> y el entorno de operaci\u00f3n:<\/p>\n

<\/p>\n

El ingeniero que ensambl\u00f3 la plataforma coloc\u00f3 dos ventiladores justo enfrente de la tarjeta, ya que sabe que los controladores LSI tienden a calentarse mucho. Observe que la placa base apenas llega al controlador, terminando a unos 3 cm despu\u00e9s del slot PCI-E.<\/p>\n

<\/p>\n

Como puede ver, todos los ventiladores est\u00e1n conectados de forma est\u00e1ndar a la placa base Supermicro y en modo Optimal<\/strong> \"soplan\" dependiendo de los sensores en ella, la temperatura de la CPU.<\/p>\n

<\/p>\n

En esta plataforma se encuentra un Xeon E-2236, un CPU bastante fr\u00edo, que probablemente no ha generado mucho calentamiento en el cliente.<\/p>\n

<\/p>\n

El centro de datos en el que se encuentra este servidor es bastante fr\u00edo; el pasillo fr\u00edo mantiene entre 18 y 20 grados.<\/p>\n

<\/p>\n

La combinaci\u00f3n de estos factores dio lugar a un fen\u00f3meno bastante interesante: el sobrecalentamiento del controlador RAID.<\/p>\n

<\/p>\n

La cadena probable de c\u00f3mo ocurri\u00f3 esto<\/h3>\n

<\/p>\n

    \n
  1. el procesador fr\u00edo y la placa base informaron a los ventiladores que pod\u00edan funcionar a baja velocidad.<\/li>\n
  2. la placa base bajo el RAID no estaba presente y no hab\u00eda sensores que registraran el sobrecalentamiento.<\/li>\n
  3. Los ventiladores, al estar configurados en modo Optimal, funcionaban a baja velocidad, de acuerdo a las necesidades de la placa base y el CPU.<\/li>\n
  4. El controlador, al no recibir suficiente flujo de aire, se sobree calent\u00f3.<\/li>\n<\/ol>\n

    <\/p>\n

    \u00bfQu\u00e9 hicimos?<\/h3>\n

    <\/p>\n

    Cambiamos los ventiladores al modo \"Est\u00e1ndar\", si es necesario, los pasaremos a un modo de rendimiento m\u00e1s alto.<\/p>\n

    <\/p>\n

    Conclusiones<\/h3>\n

    <\/p>\n

    Probablemente, si el pasillo fr\u00edo del centro de datos no estuviera tan fr\u00edo, o si el cliente hubiera utilizado intensamente el CPU, este problema podr\u00eda no haber ocurrido, ya que los ventiladores habr\u00edan funcionado en un modo m\u00e1s intensivo.<\/p>\n

    <\/p>\n

    Para nosotros, decidimos cambiar obligatoriamente el modo de operaci\u00f3n de los ventiladores de como en entornos de nube p\u00fablicos o privados.<\/a> con RAID de Optimal a un modo de mayor velocidad de rotaci\u00f3n.<\/p>\n

    Fuente: habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

    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 […]<\/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\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47 Breve nota sobre el incidente de sobrecalentamiento del controlador RAID LSI en un servidor en un centro de datos fr\u00edo | ProHoster","description":"TL;DR; La configuraci\u00f3n del modo de operaci\u00f3n del sistema de refrigeraci\u00f3n del servidor Supermicro Optimal no garantiza la estabilidad del controlador LSI MegaRAID 9361-8i en un centro de datos fr\u00edo. 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