{"id":86069,"date":"2018-03-10T00:10:38","date_gmt":"2018-03-10T00:10:38","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-de-rendimiento-y-perspectivas-de-mercado-de-los-subsistemas-de-almacenamiento-en-disco-magnetico-para-grandes-sitemas\/"},"modified":"2018-03-10T00:10:38","modified_gmt":"2018-03-10T00:10:38","slug":"analisis-de-rendimiento-y-perspectivas-de-mercado-de-los-subsistemas-de-almacenamiento-en-disco-magnetico-para-grandes-sitemas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/analisis-de-rendimiento-y-perspectivas-de-mercado-de-los-subsistemas-de-almacenamiento-en-disco-magnetico-para-grandes-sitemas\/","title":{"rendered":"An\u00e1lisis de rendimiento y perspectivas de mercado de los subsistemas de almacenamiento en disco magn\u00e9tico para grandes sitemas."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Rode\u00f1o Arr\u00e1ez Miguel Jes\u00fas <\/strong><\/h2>\n<p>En esta tesis doctoral se analizan el rendimiento de los subsistemas de disco magn\u00e9tico de 31 centros de procesos de datos (cpd) de espa\u00f1a y los criterios de compra de estos cpd, en base a una encuesta original realizada a los responsables de estos centros y a estudios y simulaciones de rendimiento. se comparan los datos de rendimiento de 180 subsistemas de varios proveedores (ibm, emc, comparex y stk), entre los a\u00f1os 1992 a 2000, analizando y discutiendo la tasa de entrada\/salida, las estad\u00edsticas de memoria cach\u00e9, los componentes del tiempo de respuesta, el tipo de carga (db2, adabas, ims, tso) tanto en procesos online como batch, etc. Se llega a las conclusiones siguientes: los datos y gr\u00e1ficas de rendimiento proporcionadas por los fabricantes y los simuladores son suficientemente exactos; adabas y db2 son los tipos de carga que proporcionan un peor tiempo de respuetas; los subsistemas de disco en espa\u00f1a tienen una densidad de acceso (operaciones de entrada\/ salida por segundo por gb) mayor que la habitual en el resto del mundo; emc e ibm son l\u00edderes en rendimiento. Se comparan los datos de subsistemas contratados a los cuatro proveedores citados, analizando y discutiendo los motivos y criterios de compras, el crecimiento e demanda en diversas plataformas, los par\u00e1metros para evaluar t\u00e9cnicamente los subsistemas, etc., Llegando, entre otras, a las siguirntes conclusiones: la disponibilidad (incluyendo la copia remota) es el principal criterio de compra; nt es la plataforma que m\u00e1s crece, seguida de unix; ibm fue l\u00edder en cuota de mercado en 1992-1995, emc en 1996-1997 y comparex en 1998-1999.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>An\u00e1lisis de rendimiento y perspectivas de mercado de los subsistemas de almacenamiento en disco magn\u00e9tico para grandes sitemas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 An\u00e1lisis de rendimiento y perspectivas de mercado de los subsistemas de almacenamiento en disco magn\u00e9tico para grandes sitemas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Rode\u00f1o Arr\u00e1ez Miguel Jes\u00fas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 18\/07\/2000<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Francisco Jose Navarro Valero<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  De arriaga g\u00f3mez fernando <\/li>\n<li>amparo Cuadrado ebrero (vocal)<\/li>\n<li>arturo Ribagorda garnacho (vocal)<\/li>\n<li> Gir\u00f3n sierra Jos\u00e9 Antonio (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rode\u00f1o Arr\u00e1ez Miguel Jes\u00fas En esta tesis doctoral se analizan el rendimiento de los subsistemas de disco [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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