{"id":6440,"date":"2025-06-10T16:09:50","date_gmt":"2025-06-10T14:09:50","guid":{"rendered":"http:\/\/rootfan.com\/?p=6440"},"modified":"2025-06-11T16:04:34","modified_gmt":"2025-06-11T14:04:34","slug":"physicaldisk-celldisk-griddisk-en-exadata","status":"publish","type":"post","link":"https:\/\/rootfan.com\/es\/physicaldisk-celldisk-griddisk-on-exadata\/","title":{"rendered":"PhysicalDisk \u2192 CellDisk \u2192 GridDisk en Exadata"},"content":{"rendered":"<p>He aqu\u00ed una explicaci\u00f3n clara de la relaci\u00f3n entre <strong>discos f\u00edsicos<\/strong>, <strong>discos celulares<\/strong>y <strong>discos de rejilla<\/strong> en Oracle Exadata:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd01 Resumen de relaciones<\/h2>\n\n\n<div class=\"wp-block-syntaxhighlighter-code\" data-no-translation=\"\"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nPhysicalDisk \u2192 CellDisk \u2192 GridDisk\n\n<\/pre><\/div>\n\n\n<p>Piense en ello como un <strong>abstracci\u00f3n de almacenamiento por capas<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Capa<\/th><th>Descripci\u00f3n<\/th><\/tr><\/thead><tbody><tr><td><strong>PhysicalDisk<\/strong><\/td><td>El disco de hardware real (HDD o Flash) dentro del servidor de almacenamiento Exadata<\/td><\/tr><tr><td><strong>CellDisk<\/strong><\/td><td>Una partici\u00f3n del PhysicalDisk creada y gestionada por el software Exadata<\/td><\/tr><tr><td><strong>GridDisk<\/strong><\/td><td>Otra porci\u00f3n l\u00f3gica de un CellDisk, expuesta a ASM como almacenamiento utilizable<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<!--more-->\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udce6 1. PhysicalDisk<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Esta es la <strong>hardware real<\/strong> dentro del servidor de almacenamiento.<\/li>\n\n\n\n<li>Tipos: Alta capacidad (HC), Alto rendimiento (HP) o Flash.<\/li>\n\n\n\n<li>Puedes verlos con: <code>cellcli&gt; list physicaldisk<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\uddf1 2. CellDisk<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Creado <strong>sobre PhysicalDisks<\/strong> de Exadata <code>servicios celulares<\/code>.<\/li>\n\n\n\n<li>Representa un <strong>regi\u00f3n gestionada<\/strong> del disco f\u00edsico.<\/li>\n\n\n\n<li>Se crea autom\u00e1ticamente cuando se despliega la c\u00e9lula Exadata.<\/li>\n\n\n\n<li>No lo utilizan directamente ni ASM ni las bases de datos.<\/li>\n\n\n\n<li>Ver con: <code>cellcli&gt; list celldisk<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\udde9 3. GridDisk<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Creado a partir de CellDisks<\/strong>.<\/li>\n\n\n\n<li>Estas son las unidades reales presentadas a <strong>ASM (gesti\u00f3n autom\u00e1tica del almacenamiento)<\/strong>.<\/li>\n\n\n\n<li>Los GridDisks son lo que la base de datos ve y utiliza como almacenamiento.<\/li>\n\n\n\n<li>Ver con: <code>cellcli&gt; list griddisk<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcca Ejemplo del mundo real<\/h2>\n\n\n\n<p>Imagina un disco de 1,2 TB:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PhysicalDisk<\/strong>: Disco duro de 1,2 TB.<\/li>\n\n\n\n<li><strong>CellDisk<\/strong>: Unidad l\u00f3gica de 1,2 TB gestionada por Exadata.<\/li>\n\n\n\n<li><strong>GridDisk<\/strong>: Este 1,2 TB se puede cortar en:\n<ul class=\"wp-block-list\">\n<li>512 GB para DATOS<\/li>\n\n\n\n<li>512 GB para RECO<\/li>\n\n\n\n<li>Quedan 176 GB para FLASH o reservados<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>As\u00ed que un disco f\u00edsico puede resultar en:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Un <strong>CellDisk<\/strong><\/li>\n\n\n\n<li>M\u00faltiples <strong>GridDisks<\/strong> (por ejemplo <code>DATOS_CD_01<\/code>, <code>RECO_CD_01<\/code>etc.)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udca1 Cuadro recapitulativo<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Componente<\/th><th>Creado el<\/th><th>Usado por<\/th><th>Prop\u00f3sito<\/th><\/tr><\/thead><tbody><tr><td>PhysicalDisk<\/td><td>Hardware<\/td><td>Exadata<\/td><td>Almacenamiento de hardware de base<\/td><\/tr><tr><td>CellDisk<\/td><td>PhysicalDisk<\/td><td>CellSrv<\/td><td>Unidad l\u00f3gica para el software celular<\/td><\/tr><tr><td>GridDisk<\/td><td>CellDisk<\/td><td>ASM<\/td><td>Presentados como LUNs a ASM\/base de datos<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>He aqu\u00ed una explicaci\u00f3n clara de la relaci\u00f3n entre discos f\u00edsicos, discos celulares y discos grid en Oracle Exadata: \ud83d\udd01 Descripci\u00f3n general de la relaci\u00f3n Piense en ello como una abstracci\u00f3n de almacenamiento en capas: Capa Descripci\u00f3n PhysicalDisk El disco de hardware real (HDD o Flash) dentro del servidor de almacenamiento Exadata CellDisk Una partici\u00f3n del PhysicalDisk creada y gestionada por Exadata ... <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/rootfan.com\/es\/physicaldisk-celldisk-griddisk-on-exadata\/\" class=\"more-link\">Seguir leyendo<span class=\"screen-reader-text\"> \"PhysicalDisk \u2192 CellDisk \u2192 GridDisk en Exadata\"<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":6443,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_focus_keyword":"","rank_math_title":"","rank_math_description":"Understand the relationship between PhysicalDisk, CellDisk, and GridDisk on Oracle Exadata. Learn about this layered storage abstraction.","rank_math_robots":"","rank_math_og_title":"","rank_math_og_description":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[116],"tags":[123],"class_list":["post-6440","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-exadata","tag-physical-storage"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/rootfan.com\/wp-content\/uploads\/mountains-clouds-forest-fog.jpg?fit=1880%2C1175&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/rootfan.com\/es\/wp-json\/wp\/v2\/posts\/6440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rootfan.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rootfan.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rootfan.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rootfan.com\/es\/wp-json\/wp\/v2\/comments?post=6440"}],"version-history":[{"count":4,"href":"https:\/\/rootfan.com\/es\/wp-json\/wp\/v2\/posts\/6440\/revisions"}],"predecessor-version":[{"id":6445,"href":"https:\/\/rootfan.com\/es\/wp-json\/wp\/v2\/posts\/6440\/revisions\/6445"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rootfan.com\/es\/wp-json\/wp\/v2\/media\/6443"}],"wp:attachment":[{"href":"https:\/\/rootfan.com\/es\/wp-json\/wp\/v2\/media?parent=6440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rootfan.com\/es\/wp-json\/wp\/v2\/categories?post=6440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rootfan.com\/es\/wp-json\/wp\/v2\/tags?post=6440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}