{"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\/sl\/blog\/news\/dlya-yadra-linux-predlozhena-fajlovaya-sistema-dlmpfs","title":{"rendered":"Za jedro Linux je bila predlagana datote\u010dna sistem DLMPFS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Aleksander Aring iz podjetja Red Hat, ki spremlja podsklopi IEEE 802.15.4, DLM in flock\/fcntl v jedru Linux, je na seznamu za razvijalce jedra predstavil specializiran datote\u010dni sistem DLMPFS. Predlagani FS nudi plast za porazdeljene datote\u010dne zaklepe, uveljavljen na osnovi DLM (Distributed Lock Manager) in ramfs. Izvedba DLMPFS je na voljo v obliki niza popravkov za jedro Linux 6.19.      <\/p>\n<p>DLMPFS omogo\u010da delo s skupno hierarhijo datotek za ve\u010d gostiteljev, ustvarjanje in brisanje datotek in map ter postavljanje ali odstranjevanje zaklepov na datoteke s pomo\u010djo privzetih funkcij flock() in fcntl(). Hkrati pa DLMPFS ne omogo\u010da pisanja in branja podatkov iz datotek, temve\u010d se omejuje samo na operacije z zaklepi. Omejitev je tudi, da lahko stanje zaklepa dolo\u010dite le, \u010de poznate popolno datote\u010dno pot do zaklepane datoteke (DLM zahteva ime vira za dolo\u010ditev zaklepa).      <\/p>\n<p>S pomo\u010djo DLMPFS je mogo\u010de enostavno prilagoditi obstoje\u010de aplikacije, ki se zana\u0161ajo na postavljanje zaklepov preko API flock\/fcntl, za uporabo porazdeljenih zaklepov, ki pokrivajo ve\u010d gostiteljev v grozdu, brez potrebe po vklju\u010ditvi specializiranih porazdeljenih FS za shranjevanje podatkov.     <\/p>\n<p>DLMPFS se od \u017ee obstoje\u010dega podobnega FS DLMFS razlikuje po uporabi API flock\/fcntl namesto API, specifi\u010dnega za FS OCFS2. V na\u010drtu je dodati v DLMPFS porazdeljene zaklepe, ozna\u010dene v specifikaciji POSIX, ter mo\u017enost povezovanja razli\u010dnih backendov za integracijo ne le z DLM, temve\u010d tudi z drugimi upravljalniki porazdeljenih zaklepov, kot je NFS lockd.        <\/p>\n<p>Primer uporabe (na drugem vozli\u0161\u010du bo zaklep na datoteki \/mnt\/lock odstranjen v 20 sekundah):      Vozli\u0161\u010de 1:       mount -t dlmpfs -o clname=$CLUSTERNAME none \/mnt        touch \/mnt\/lock     flock \/mnt\/lock -c &#171;echo &#8216;pridobljeno&#8217;; sleep 20; echo &#8216;izpu\u0161\u010deno'&#187;    Vozli\u0161\u010de 2:       mount -t dlmpfs -o clname=$CLUSTERNAME none \/mnt     touch \/mnt\/lock     flock \/mnt\/lock -c &#171;echo &#8216;pridobljeno&#8217;; sleep 20; echo &#8216;izpu\u0161\u010deno'&#187;<br \/>\n<br \/>Izvor: <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 5.0.4 - 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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\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 \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, 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