{"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\/fr\/blog\/news\/dlya-yadra-linux-predlozhena-fajlovaya-sistema-dlmpfs","title":{"rendered":"Un syst\u00e8me de fichiers DLMPFS a \u00e9t\u00e9 propos\u00e9 pour le noyau Linux.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Alexander Aring de Red Hat, qui supervise les sous-syst\u00e8mes IEEE 802.15.4, DLM et flock\/fcntl du noyau Linux, a pr\u00e9sent\u00e9 sur la liste de diffusion des d\u00e9veloppeurs du noyau un syst\u00e8me de fichiers sp\u00e9cialis\u00e9, DLMPFS. Le syst\u00e8me de fichiers propos\u00e9 fournit une couche pour les verrous de fichiers distribu\u00e9s, r\u00e9alis\u00e9e sur la base de DLM (Distributed Lock Manager) et ramfs. L'impl\u00e9mentation de DLMPFS est disponible sous la forme d'un ensemble de correctifs pour le noyau Linux 6.19.      <\/p>\n<p>DLMPFS permet de travailler avec une hi\u00e9rarchie de fichiers partag\u00e9e entre plusieurs h\u00f4tes, de cr\u00e9er et de supprimer des fichiers et des r\u00e9pertoires, et de mettre ou de retirer des verrous sur des fichiers en utilisant les fonctions standard flock() et fcntl(). DLMPFS ne permet cependant pas d'\u00e9crire ou de lire des donn\u00e9es dans des fichiers, se limitant uniquement aux op\u00e9rations de verrouillage. Une autre restriction est qu'il est seulement possible de d\u00e9terminer l'\u00e9tat d'un verrou en connaissant le chemin complet du fichier verrouill\u00e9 (DLM n\u00e9cessite le nom de la ressource pour d\u00e9terminer le verrou).      <\/p>\n<p>Avec DLMPFS, il est facile d'adapter les applications existantes qui reposent sur l'\u00e9tablissement de verrous via l'API flock\/fcntl, pour utiliser des verrous distribu\u00e9s couvrant plusieurs h\u00f4tes dans le cluster, sans avoir besoin d'utiliser des syst\u00e8mes de fichiers distribu\u00e9s sp\u00e9cialis\u00e9s pour le stockage des donn\u00e9es.     <\/p>\n<p>DLMPFS se distingue du syst\u00e8me de fichiers similaire existant, DLMFS, en utilisant l'API flock\/fcntl au lieu d'une API sp\u00e9cifique au syst\u00e8me de fichiers OCFS2. Des plans sont pr\u00e9vus pour ajouter \u00e0 DLMPFS des verrous distribu\u00e9s conformes \u00e0 la sp\u00e9cification POSIX, ainsi que la possibilit\u00e9 de connecter diff\u00e9rents backends pour s'int\u00e9grer non seulement \u00e0 DLM, mais aussi \u00e0 d'autres gestionnaires de verrous distribu\u00e9s, tels que NFS lockd.        <\/p>\n<p>Exemple d'utilisation (sur le deuxi\u00e8me n\u0153ud, le verrou sur le fichier \/mnt\/lock sera lev\u00e9 dans 20 secondes) : N\u0153ud 1 : mount -t dlmpfs -o clname=$CLUSTERNAME none \/mnt touch \/mnt\/lock flock \/mnt\/lock -c \u00ab echo 'acquired'; sleep 20; echo 'released' \u00bb N\u0153ud 2 : mount -t dlmpfs -o clname=$CLUSTERNAME none \/mnt touch \/mnt\/lock flock \/mnt\/lock -c \u00ab echo 'acquired'; sleep 20; echo 'released' \u00bb<br \/>\n<br \/>Source : <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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sp\u00e9cialis\u00e9.","canonical_url":"https:\/\/prohoster.info\/fr\/blog\/news\/dlya-yadra-linux-predlozhena-fajlovaya-sistema-dlmpfs","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"fr_FR","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0414\u043b\u044f \u044f\u0434\u0440\u0430 Linux \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0430 \u0444\u0430\u0439\u043b\u043e\u0432\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 DLMPFS | ProHoster","og:description":"\u0410\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440 \u0410\u0440\u0438\u043d\u0433 (Alexander Aring) \u0438\u0437 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