{"id":160996,"date":"2026-02-14T11:12:34","date_gmt":"2026-02-14T09:12:34","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dlya-yadra-linux-predlozhena-fajlovaya-sistema-dlmpfs"},"modified":"2026-02-14T11:12:34","modified_gmt":"2026-02-14T09:12:34","slug":"dlya-yadra-linux-predlozhena-fajlovaya-sistema-dlmpfs","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/dlya-yadra-linux-predlozhena-fajlovaya-sistema-dlmpfs","title":{"rendered":"Se ha propuesto un sistema de archivos DLMPFS para el n\u00facleo Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Alexander Aring de la empresa Red Hat, que trabaja en el n\u00facleo de Linux con los subsistemas IEEE 802.15.4, DLM y flock\/fcntl, ha presentado en la lista de correo de desarrolladores del n\u00facleo un sistema de archivos especializado llamado DLMPFS. Este sistema de archivos propuesto proporciona una capa para los bloqueos de archivos distribuidos, implementada sobre DLM (Distributed Lock Manager) y ramfs. La implementaci\u00f3n de DLMPFS est\u00e1 disponible en forma de un conjunto de parches para el n\u00facleo de Linux 6.19.      <\/p>\n<p>DLMPFS permite trabajar con una jerarqu\u00eda de archivos compartida entre varios hosts, crear y eliminar archivos y directorios, y establecer o liberar bloqueos en archivos utilizando las funciones est\u00e1ndar flock() y fcntl(). Sin embargo, DLMPFS no permite leer ni escribir datos en los archivos, limit\u00e1ndose \u00fanicamente a operaciones de bloqueo. Otra restricci\u00f3n es que solo se puede determinar el estado de un bloqueo conociendo la ruta completa al archivo bloqueado (DLM requiere el nombre del recurso para determinar el bloqueo).      <\/p>\n<p>Con DLMPFS, es f\u00e1cil adaptar aplicaciones existentes que dependen del establecimiento de bloqueos a trav\u00e9s de la API flock\/fcntl para utilizar bloqueos distribuidos que abarcan m\u00faltiples hosts en un cl\u00faster, sin necesidad de emplear sistemas de archivos distribuidos especializados para el almacenamiento de datos.     <\/p>\n<p>DLMPFS se diferencia del sistema de archivos similar existente DLMFS en que utiliza la API flock\/fcntl en lugar de la API espec\u00edfica del sistema de archivos OCFS2. En el futuro, se planea a\u00f1adir bloqueos distribuidos, como se especifica en POSIX, y la posibilidad de conectar diferentes backends para integrarse no solo con DLM, sino tambi\u00e9n con otros gestores de bloqueos distribuidos, como NFS lockd.        <\/p>\n<p>Ejemplo de uso (en el segundo nodo, el bloqueo en el archivo \/mnt\/lock se levantar\u00e1 despu\u00e9s de 20 segundos):      Nodo 1:       mount -t dlmpfs -o clname=$CLUSTERNAME none \/mnt        touch \/mnt\/lock     flock \/mnt\/lock -c &#171;echo &#8216;adquirido&#8217;; sleep 20; echo &#8216;liberado'&#187;    Nodo 2:       mount -t dlmpfs -o clname=$CLUSTERNAME none \/mnt     touch \/mnt\/lock     flock \/mnt\/lock -c &#171;echo &#8216;adquirido&#8217;; sleep 20; echo &#8216;liberado'&#187;<br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64796\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0410\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440 \u0410\u0440\u0438\u043d\u0433 (Alexander Aring) \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Red Hat, \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u044e\u0449\u0438\u0439 \u0432 \u044f\u0434\u0440\u0435 Linux \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b IEEE 802.15.4, DLM \u0438 flock\/fcntl, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u0432 \u0441\u043f\u0438\u0441\u043a\u0435 \u0440\u0430\u0441\u0441\u044b\u043b\u043a\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u044f\u0434\u0440\u0430 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0443\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 DLMPFS. \u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u0430\u044f \u0424\u0421 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043b\u043e\u0439 \u0434\u043b\u044f \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0445 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043e\u043a, \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u0431\u0430\u0437\u0435 DLM (Distributed Lock Manager) \u0438 ramfs. \u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f DLMPFS \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u0432 \u0444\u043e\u0440\u043c\u0435 \u043d\u0430\u0431\u043e\u0440\u0430 \u043f\u0430\u0442\u0447\u0435\u0439 \u043a \u044f\u0434\u0440\u0443 Linux [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-160996","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0410\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440 \u0410\u0440\u0438\u043d\u0433 (Alexander Aring) \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Red Hat, \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u044e\u0449\u0438\u0439 \u0432 \u044f\u0434\u0440\u0435 Linux \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b IEEE 802.15.4, DLM \u0438 flock\/fcntl, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u0432 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