{"id":28857,"date":"2024-05-29T06:40:49","date_gmt":"2024-05-29T06:40:49","guid":{"rendered":"https:\/\/www.techopedia.com\/es\/?post_type=definition&#038;p=28857"},"modified":"2024-05-29T07:58:59","modified_gmt":"2024-05-29T05:58:59","slug":"instantanea-almacenamiento","status":"publish","type":"definition","link":"https:\/\/www.techopedia.com\/es\/definicion\/instantanea-almacenamiento","title":{"rendered":"Instant\u00e1nea de almacenamiento"},"content":{"rendered":"<h2><span id=\"que_significa_instantanea_de_almacenamiento\">\u00bfQu\u00e9 significa instant\u00e1nea de almacenamiento?<\/span><\/h2>\n<p>Una instant\u00e1nea de <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/almacenamiento\">almacenamiento<\/a> puede definirse como un conjunto de punteros que denotan los datos almacenados en un <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/almacen-datos\">dispositivo de almacenamiento<\/a>. Este dispositivo de almacenamiento puede ser una unidad de <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/disco\">disco<\/a>, una cinta o una red de \u00e1rea de almacenamiento (SAN).<\/p>\n<p>Puede<strong> considerarse como un \u00edndice en el que cada puntero describe la informaci\u00f3n o los datos almacenados en el <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/disco\">disco<\/a>.<\/strong> Esta instant\u00e1nea es tratada por el ordenador como una copia de seguridad completa de los datos.<\/p>\n<h2><span id=\"definicion_de_instantanea_de_almacenamiento\">Definici\u00f3n de instant\u00e1nea de almacenamiento<\/span><\/h2>\n<p>Al igual que un \u00edndice facilita el acceso al contenido de un libro, una instant\u00e1nea de almacenamiento facilita el acceso a los datos almacenados y acelera a\u00fan m\u00e1s el proceso de recuperaci\u00f3n de datos.<\/p>\n<p>Una instant\u00e1nea de almacenamiento proporciona una visi\u00f3n concisa de c\u00f3mo era un archivo o dispositivo cuando se tom\u00f3 la instant\u00e1nea. No se trata de una r\u00e9plica exacta de los datos, sino de una imagen r\u00e1pida del aspecto que ten\u00edan en ese momento.<\/p>\n<p>Las instant\u00e1neas de almacenamiento <strong>se pueden clasificar en tres tipos:<\/strong> instant\u00e1nea de copia en escritura, redirecci\u00f3n en escritura e instant\u00e1nea de espejo dividido:<\/p>\n<ul>\n<li><strong>Copia en escritura:<\/strong> Los datos se copian en un pool de almacenamiento asignado. La principal limitaci\u00f3n de este m\u00e9todo es que afecta al rendimiento de los datos originales.<\/li>\n<li><strong>Redirecci\u00f3n en escritura:<\/strong> Es algo similar a la copia en escritura. Ofrece instant\u00e1neas eficientes en t\u00e9rminos de rendimiento y espacio, ya que no se ocupa de la doble escritura.<\/li>\n<li><strong>Split mirror:<\/strong> En esta t\u00e9cnica, se crea un clon f\u00edsico de los datos que residen en un espacio de almacenamiento diferente.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u00bfQu\u00e9 significa instant\u00e1nea de almacenamiento? Una instant\u00e1nea de almacenamiento puede definirse como un conjunto de punteros que denotan los datos almacenados en un dispositivo de almacenamiento. Este dispositivo de almacenamiento puede ser una unidad de disco, una cinta o una red de \u00e1rea de almacenamiento (SAN). Puede considerarse como un \u00edndice en el que cada [&hellip;]<\/p>\n","protected":false},"author":7813,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"definitioncat":[1133],"class_list":["post-28857","definition","type-definition","status-publish","format-standard","hentry","definitioncat-almacenamiento"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Instant\u00e1nea de almacenamiento: Tipos y atributos<\/title>\n<meta name=\"description\" content=\"Conoce la definici\u00f3n, principales caracter\u00edsticas y los diversos tipos que existe de la instant\u00e1nea de almacenamiento.\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" 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