{"id":99277,"date":"2021-02-26T16:22:40","date_gmt":"2021-02-26T14:22:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-raspredelennogo-replicziruemogo-blochnogo-ustrojstva-drbd-9-1-0"},"modified":"2021-02-26T16:22:40","modified_gmt":"2021-02-26T14:22:40","slug":"reliz-raspredelennogo-replicziruemogo-blochnogo-ustrojstva-drbd-9-1-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/reliz-raspredelennogo-replicziruemogo-blochnogo-ustrojstva-drbd-9-1-0","title":{"rendered":"Lansarea dispozitivului bloc distribuit replicabil DRBD 9.1.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A fost publicat\u0103 lansarea dispozitivului bloc distribuit replicabil DRBD 9.1.0, care permite implementarea unei similit\u0103\u021bi cu un RAID-1, format dintr-un grup de discuri diferite ale mai multor ma\u0219ini conectate prin re\u021bea (replicare \u00een re\u021bea). Sistemul este proiectat ca un modul pentru kernelul Linux \u0219i este distribuit sub licen\u021ba GPLv2. <\/p>\n

Ramura drbd 9.1.0 poate fi utilizat\u0103 ca o \u00eenlocuire transparent\u0103 pentru drbd 9.0.x \u0219i este complet compatibil\u0103 la nivel de protocol, fi\u0219iere de configurare \u0219i utilitare. Modific\u0103rile se concentreaz\u0103 pe refacerea mecanismului de blocare \u0219i \u00ee\u0219i propun s\u0103 reduc\u0103 competi\u021bia \u00een codul responsabil pentru intrare-ie\u0219ire \u00een DRBD. Aceast\u0103 modificare a permis \u00eembun\u0103t\u0103\u021birea performan\u021bei \u00een configura\u021biile cu un num\u0103r mare de CPU \u0219i cu stocare NVMe, prin eliminarea unui g\u00e2t de sticl\u0103 care afecta negativ performan\u021ba la primirea unui num\u0103r mare de solicit\u0103ri paralele de intrare\/ie\u0219ire din diferite nuclee CPU. \u00cen rest, ramura drbd 9.1.0 este similar\u0103 versiunii 9.0.28. <\/p>\n

Reamintim c\u0103 DRBD poate fi folosit pentru a combina stocarea unit\u0103\u021bilor nodurilor dintr-un cluster \u00eentr-un singur depozit de date tolerant la defec\u021biuni. Pentru aplica\u021bii \u0219i sistem, acest depozit de date apare ca un dispozitiv bloc identic pentru toate sistemele. Atunci c\u00e2nd se utilizeaz\u0103 DRBD, toate opera\u021biunile cu discul local sunt trimise c\u0103tre alte noduri \u0219i sincronizate cu discurile altor ma\u0219ini. \u00cen cazul \u00een care unul dintre noduri e\u0219ueaz\u0103, depozitul continu\u0103 s\u0103 func\u021bioneze automat prin nodurile r\u0103mase. C\u00e2nd nodul defect revine online, starea sa va fi actualizat\u0103 automat la versiunea curent\u0103. <\/p>\n

\u00cen cadrul clusterului care formeaz\u0103 depozitul, pot fi incluse c\u00e2teva zeci de noduri, localizate at\u00e2t \u00een re\u021beaua local\u0103, c\u00e2t \u0219i distribuite geografic \u00een diferite centre de date<\/a>. Sincronizarea \u00een aceste depozite distribuite se efectueaz\u0103 utiliz\u00e2nd tehnologii de re\u021bea mesh (datele se propag\u0103 de la un nod la altul \u00een lan\u021b). Replicarea nodurilor poate fi realizat\u0103 at\u00e2t \u00een mod sincron, c\u00e2t \u0219i \u00een mod asincron. De exemplu, nodurile localizate pot aplica replicarea sincron, iar pentru site-urile remote poate fi utilizat\u0103 replicarea asincron\u0103 cu comprimare \u0219i criptare suplimentar\u0103 a traficului. <\/p>\n

\"Lansarea<\/center>
\n
Sursa: opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0440\u0435\u043f\u043b\u0438\u0446\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u0431\u043b\u043e\u0447\u043d\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 DRBD 9.1.0, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u043e\u0434\u043e\u0431\u0438\u0435 \u043c\u0430\u0441\u0441\u0438\u0432\u0430 RAID-1, \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0438\u0437 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0451\u043d\u043d\u044b\u0445 \u043f\u043e \u0441\u0435\u0442\u0438 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u0434\u0438\u0441\u043a\u043e\u0432 \u0440\u0430\u0437\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d (\u0437\u0435\u0440\u043a\u0430\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e \u0441\u0435\u0442\u0438). \u0421\u0438\u0441\u0442\u0435\u043c\u0430 \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u0430 \u0432 \u0432\u0438\u0434\u0435 \u043c\u043e\u0434\u0443\u043b\u044f \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2. \u0412\u0435\u0442\u043a\u0430 drbd 9.1.0 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u043e\u0439 \u0437\u0430\u043c\u0435\u043d\u044b drbd 9.0.x \u0438 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u0430 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430, \u0444\u0430\u0439\u043b\u043e\u0432 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":99278,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-99277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Lansarea dispozitivului bloc replicat distribuit DRBD 9.1.0 | ProHoster","description":"A fost lansat\u0103 versiunea 9.1.0 a dispozitivului bloc replicat distribuit DRBD, care permite realizarea unui RAID-1 format dintr-o combina\u021bie de discuri din mai multe ma\u0219ini 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\u0440\u0430\u0437\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d 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