{"id":16983,"date":"2025-04-11T12:43:11","date_gmt":"2025-04-11T12:43:11","guid":{"rendered":"https:\/\/pqc.es\/caida-del-data-center-de-yandex-el-google-ruso\/"},"modified":"2026-02-23T15:40:07","modified_gmt":"2026-02-23T15:40:07","slug":"caida-del-data-center-de-yandex-el-google-ruso","status":"publish","type":"post","link":"https:\/\/pqc.es\/en\/caida-del-data-center-de-yandex-el-google-ruso\/","title":{"rendered":"Ca\u00edda del data center de Yandex, el \u201cGoogle ruso\u201d"},"content":{"rendered":"<div class=\"news-content-block\">\n<p>Suelo estar atento a las noticias que se publican sobre ca&iacute;das de data centers y, cuando esto sucede, <strong>comentar las explicaciones ofrecidas en cada caso o intentar aportar una explicaci&oacute;n coherente <\/strong>a los hechos en caso de que los argumentos originales no hayan resultado del todo veros&iacute;miles.<\/p>\n<p>El caso es que entre las <strong>&uacute;ltimas noticias del sector<\/strong> se encuentra la de la ca&iacute;da del centro de datos de <strong>Yandex <\/strong>(el conocido como Google ruso) que afect&oacute; seriamente a su regi&oacute;n Cloud localizada en el <strong>&aacute;rea de Mosc&uacute;<\/strong>.<\/p>\n<p>El titular reza como sigue <em>&ldquo;El data center de Yandex experimenta una importante ca&iacute;da motivada por su subestaci&oacute;n de soporte&rdquo;<\/em>, para a&ntilde;adir que se trata del <strong>primer suceso de estas caracter&iacute;sticas que les ocurre en 15 a&ntilde;os<\/strong><\/p>\n<p>Como siempre en estos casos, mi primer inter&eacute;s es el de conocer si el titular tiene que ver con la realidad o si, como en tantas otras ocasiones, juega un poco al despiste siguiendo el <strong>manual para situaciones cr&iacute;ticas<\/strong> (<a href=\"https:\/\/www.pqc.es\/es\/blog\/las-replicas\" target=\"_blank\">ver &ldquo;Las r&eacute;plicas<\/a>&rdquo;).<\/p>\n<p>Y la primera consideraci&oacute;n es la de siempre, es decir, <strong>si falla el sistema de alimentaci&oacute;n<\/strong> principal, <strong>&iquest;qu&eacute; ocurre con el de respaldo?<\/strong> Ya ver&aacute;s t&uacute; c&oacute;mo vamos a estar en un escenario muy similar al de ocasiones precedentes (<a href=\"https:\/\/www.pqc.es\/es\/blog\/caidas-de-data-center-ocasionadas-por-la-alimentacion-electrica\" target=\"_blank\">ver &ldquo;Ca&iacute;das de data center ocasionadas por la alimentaci&oacute;n el&eacute;ctrica<\/a>&rdquo;)<\/p>\n<p>Pues bien, puestos a analizar las explicaciones que se han ofrecido, lo que queda claro es que <strong>el fallo en la subestaci&oacute;n<\/strong> se produjo de forma que afect&oacute; a las dos l&iacute;neas de suministro al centro, lo cual no hab&iacute;a ocurrido jam&aacute;s con anterioridad, pero que, en principio, <strong>en un data center normal tampoco deber&iacute;a suponer una repercusi&oacute;n<\/strong> a tener en cuenta ya que para eso se dimensionan los sistemas de respaldo mediante <strong>grupos electr&oacute;genos<\/strong> e, incluso, si estos llegasen a tener alg&uacute;n tipo de problema, la creaci&oacute;n de <strong>zonas de disponibilidad<\/strong> (como es el caso en cuesti&oacute;n) permitir&iacute;a el trasvase de las <strong>cargas de trabajo desde el centro siniestrado<\/strong> hacia los otros asociados a &eacute;l.<\/p>\n<p>Sin embargo, el suceso de Yandex, seg&uacute;n la descripci&oacute;n extra&iacute;da de la letra peque&ntilde;a de un informe que rezuma excesiva pedagog&iacute;a, es que <strong>los grupos<\/strong> no es que no hayan funcionado, sino que <strong>alimentaban s&oacute;lo una parte del sistema<\/strong> (circuitos de seguridad y de control), mientras que, <strong>por el lado IT, no todas las cargas<\/strong> estaban conectadas de forma que pudiesen verse <strong>integradas dentro de la zona de disponibilidad.<\/strong><\/p>\n<p>Este informe&nbsp;me recuerda otras situaciones donde la parte afectada se viene arriba y empieza a dar <strong>lecciones sobre la materia<\/strong> (<a href=\"https:\/\/www.pqc.es\/es\/blog\/primeras-conclusiones-del-incendio-en-ovh-fuego-en-la-nube-5\" target=\"_blank\">ver &ldquo;Primeras conclusiones del incendio en OVH. Fuego en la nube 5&rdquo;<\/a>.)<\/p>\n<h3>Son, en cierta medida, reminiscencias del &ldquo;Maestro Ciruela, que no sab&iacute;a leer y puso Escuela&rdquo;.<\/h3>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u00bfFallo imprevisto o respaldo mal dimensionado? Comentamos las explicaciones sobre el informe publicado.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[58],"tags":[],"class_list":["post-16983","post","type-post","status-publish","format-standard","hentry","category-siniestros"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ca\u00edda del data center de Yandex, el \u201cGoogle ruso\u201d | PQC<\/title>\n<meta name=\"description\" content=\"\u00bfFallo imprevisto o respaldo mal dimensionado? 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