{"id":52513,"date":"2019-11-10T00:00:00","date_gmt":"2019-11-09T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/obnovlenie-klasternoj-fajlovoj-sistemy-lizardfs-3-13-0-rc2"},"modified":"2020-02-18T14:00:15","modified_gmt":"2020-02-18T11:00:15","slug":"obnovlenie-klasternoj-fajlovoj-sistemy-lizardfs-3-13-0-rc2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/obnovlenie-klasternoj-fajlovoj-sistemy-lizardfs-3-13-0-rc2","title":{"rendered":"Opdatering af klynge-filsystemet LizardFS 3.13.0-rc2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Efter et \u00e5rs stilstand i udviklingen er genoptaget<\/a><\/noindex> arbejdet med den nye gren af den fault-tolerante distribuerede filsystem LizardF 3.13<\/a><\/noindex> og udgivet<\/a><\/noindex> den anden kandidat i udgivelserne. For nylig har fundet sted<\/a><\/noindex> skiftet af ejerskab i virksomheden, der udvikler LizardFS, er der kommet ny ledelse og udviklerne er skiftet. I de sidste to \u00e5r har projektet v\u00e6ret afsk\u00e5ret fra samfundet og ikke givet det den opm\u00e6rksomhed, det fortjener, men det nye team har til hensigt at genoplive tidligere relationer med samfundet og etablere t\u00e6t samarbejde. Koden til projektet er skrevet i C og C++ og distribueres<\/a><\/noindex> er under GPLv3-licensen. <\/p>\n

LizardFS Baggrunden indeholder tekstur af siden og illustrationer, og dens opl\u00f8sning er lavere end maskens. Baggrunden gemmes tabsl\u00f8st for opfattelse med en opl\u00f8sning p\u00e5 100 dpi.<\/a><\/noindex> er et distribueret klusterfilsystem, der muligg\u00f8r spredning af data over forskellige servere, men pr\u00e6senterer adgangen til dem i form af et enkelt stort partition, som fungerer p\u00e5 samme m\u00e5de som traditionelle diskpartitioner. I den monterede partition med LizardFS underst\u00f8ttes POSIX-filattributter, ACL, l\u00e5se, sockets, kanaler, enheds filer, symboliske og h\u00e5rde links. Systemet har ikke et enkelt fejlpunkt, alle komponenter er redundant. Der underst\u00f8ttes parallelisering af dataoperationer (flere klienter kan samtidig f\u00e5 adgang til filer).<\/p>\n

For ensuring fault tolerance, data is divided into replicas, which are distributed across different nodes with redundancy (multiple copies are placed on different nodes). In the event of a node or storage failure, the system continues to operate without data loss and automatically redistributes data based on the remaining nodes. To expand storage, it's sufficient to connect new nodes without interrupting service (the system itself replicates part of the data to the new servers and balances the storage according to the new servers). Similarly, for reducing the cluster size, outdated equipment can simply be disconnected.<\/p>\n

Data and metadata are stored separately. It is recommended to set up two metadata servers operating in a master-slave mode, as well as at least two storage servers (chunkservers). Additionally, log servers can be used for metadata backup, storing information about changes in metadata and allowing recovery in case all existing metadata servers are damaged. Each file is divided into chunks of up to 64 MB. Chunks are distributed across storage servers according to the chosen replication mode: standard (explicitly defining the number of copies to be placed on different nodes, including being tied to specific directories \u2014 the number of copies can be increased for important data and decreased for less significant), XOR (RAID5), and EC (RAID6).<\/p>\n

Lagringen kan skaleres op til petabyte-st\u00f8rrelser. Anvendelsesomr\u00e5der inkluderer arkivering, opbevaring af virtuelle maskinebilleder, multimediadata, sikkerhedskopier, brug som DRC (Disaster Recovery Center) og som lagringsplads i klynger af h\u00f8jtydende computere. LizardFS sikrer meget h\u00f8j l\u00e6sehastighed for filer af enhver st\u00f8rrelse, og ved skrivning viser den god ydeevne ved komplet skrivning af store og mellemstore filer, n\u00e5r der ikke er konstant \u00e6ndring, intensivt arbejde med \u00e5bne filer og enest\u00e5ende operationer med mange sm\u00e5 filer.<\/p>\n

\"Opdatering<\/a><\/noindex><\/center><\/p>\n

Among the features of the file system, there is support for snapshots that reflect the state of files at a particular time and a built-in implementation of a \"trash can\" (files are not deleted immediately and are available for recovery for some time). Access to the section can be restricted by IP address or password (similar to NFS). There are mechanisms for quotas and quality of service management, allowing limits on size and bandwidth for certain categories of users. It is possible to create geographically distributed storage, with segments located in different data centers. <\/p>\n

Projektet LizardFS blev grundlagt i 2013 som en fork MooseFS<\/a><\/noindex>, og adskiller sig hovedsageligt ved at have en replikationsfunktion baseret p\u00e5 Reed-Solomon fejlkoder (analog til raidzN), udvidet st\u00f8tte til ACL, en klient til Windows-platformen, samt yderligere optimeringer (for eksempel, n\u00e5r klienten og lagringsserveren fungerer sammen, leveres blokke i videst muligt omfang fra den nuv\u00e6rende node, mens metadata caches i hukommelsen), et mere fleksibelt konfigurationssystem, underst\u00f8ttelse af forudg\u00e5ende dataindl\u00e6sning, kvoter for kataloger og interne forbedringer.<\/p>\n

LizardFS 3.13.0 er planlagt til udgivelse i slutningen af december. Det prim\u00e6re nye i LizardFS 3.13 er brugen af en algoritme til konsensusopn\u00e5else for at sikre fejltolerance (skift af master-servere i tilf\u00e6lde af nedbrud). Raft<\/a><\/noindex> (en egen implementering af uRaft bruges, som tidligere blev anvendt i kommercielle produkter). Brug af uRaft forenkler konfigurationen og reducerer forsinkelserne ved genopretning efter nedbrud, men kr\u00e6ver, at der er mindst tre fungerende noder, hvoraf \u00e9n bruges til kvorum. <\/p>\n

Blandt de andre \u00e6ndringer: en ny klient baseret p\u00e5 FUSE3 subsystemet, l\u00f8sning af fejlkorrektionsproblemer, nfs-ganesha plugin er gen skrevet p\u00e5 C. I opdatering 3.13.0-rc2 er der rettet flere kritiske fejl, der gjorde de tidligere betaudgivelser af version 3.13 knap anvendelige (rettelser for version 3.12 er endnu ikke udgivet, og opdateringen fra 3.12 til 3.13 f\u00f8rer stadig til fuldst\u00e6ndigt datatab).<\/p>\n

I 2020 vil arbejdet blive fokuseret p\u00e5 udviklingen af
\nAgama<\/a><\/noindex>, et helt gen skrevet kerne til LizardFS, som udviklerne h\u00e6vder vil \u00f8ge ydelsen med tre gange i forhold til version 3.12. I Agama vil der blive skiftet til en begivenhedsdrevet arkitektur (event driven), asynkron input\/output baseret p\u00e5 asio<\/a><\/noindex>, arbejde hovedsageligt i brugerrummet (for at reducere afh\u00e6ngigheden af kernens cachemekanismer). Derudover vil der blive tilbudt et nyt debug subsystem og en netv\u00e6rksaktivitet analysator med st\u00f8tte for automatisk optimering af ydeevnen. <\/p>\n

LizardFS-klienten vil f\u00e5 fuld support til versionering af skriveoperationer, som vil forbedre p\u00e5lideligheden af genopretning efter fejl, l\u00f8se problemer, der opst\u00e5r, n\u00e5r forskellige klienter deler data, og muligg\u00f8re en betydelig stigning i ydeevnen. Klienten vil blive overf\u00f8rt til et eget netv\u00e6rkssystem, der k\u00f8rer i brugerrummet. Den f\u00f8rste fungerende prototype af LizardFS baseret p\u00e5 Agama forventes klar i andet kvartal af 2020. Samtidig loves integration af LizardFS med Kubernetes-platformen.<\/p>\n

<\/a><\/noindex><\/p>\n

Kilde: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0438\u0447\u043d\u043e\u0433\u043e \u0437\u0430\u0442\u0438\u0448\u044c\u044f \u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0432\u043e\u0437\u043e\u0431\u043d\u043e\u0432\u0438\u043b\u0430\u0441\u044c \u0440\u0430\u0431\u043e\u0442\u0430 \u043d\u0430\u0434 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0442\u043a\u043e\u0439 \u043e\u0442\u043a\u0430\u0437\u043e\u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0439 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0439 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b LizardF 3.13 \u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u0442\u043e\u0440\u043e\u0439 \u043a\u0430\u043d\u0434\u0430\u0434\u0430\u0442 \u0432 \u0440\u0435\u043b\u0438\u0437\u044b. \u041d\u0435\u0434\u0430\u0432\u043d\u043e \u043f\u0440\u043e\u0438\u0437\u043e\u0448\u043b\u0430 \u0441\u043c\u0435\u043d\u0430 \u0432\u043b\u0430\u0434\u0435\u043b\u044c\u0446\u0435\u0432 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0439 LizardFS, \u0431\u044b\u043b\u043e \u043f\u0440\u0438\u043d\u044f\u0442\u043e \u043d\u043e\u0432\u043e\u0435 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u0438 \u0441\u043c\u0435\u043d\u0438\u043b\u0438\u0441\u044c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438. \u041f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 \u0434\u0432\u0430 \u0433\u043e\u0434\u0430 \u043f\u0440\u043e\u0435\u043a\u0442 \u043e\u0442\u0441\u0442\u0440\u0430\u043d\u0438\u043b\u0441\u044f \u043e\u0442 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0430 \u0438 \u043d\u0435 \u0443\u0434\u0435\u043b\u044f\u043b \u0435\u043c\u0443 \u0434\u043e\u043b\u0436\u043d\u043e\u0433\u043e \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044f, \u043d\u043e \u043d\u043e\u0432\u0430\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u0430 \u043d\u0430\u043c\u0435\u0440\u0435\u043d\u0430 \u0432\u043e\u0437\u0440\u043e\u0434\u0438\u0442\u044c \u043f\u0440\u0435\u0436\u043d\u0438\u0435 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":52514,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-52513","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\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\udd47Opdatering af klyngefil-systemet LizardFS 3.13.0-rc2 | ProHoster","description":"Efter et \u00e5rs stilstand er udviklingen p\u00e5 den nye gren af den fejltolerante distribuerede filsystem genoptaget.","canonical_url":"https:\/\/prohoster.info\/da\/blog\/news\/obnovlenie-klasternoj-fajlovoj-sistemy-lizardfs-3-13-0-rc2","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"da_DK","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\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u043d\u043e\u0439 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b LizardFS 3.13.0-rc2 | ProHoster","og:description":"\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0438\u0447\u043d\u043e\u0433\u043e \u0437\u0430\u0442\u0438\u0448\u044c\u044f \u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0432\u043e\u0437\u043e\u0431\u043d\u043e\u0432\u0438\u043b\u0430\u0441\u044c \u0440\u0430\u0431\u043e\u0442\u0430 \u043d\u0430\u0434 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0442\u043a\u043e\u0439 \u043e\u0442\u043a\u0430\u0437\u043e\u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0439 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0439 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439.","og:url":"https:\/\/prohoster.info\/da\/blog\/news\/obnovlenie-klasternoj-fajlovoj-sistemy-lizardfs-3-13-0-rc2","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-11-09T21:00:00+00:00","article:modified_time":"2020-02-18T11:00:15+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"52513","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-24 03:51:39","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 17:15:56","updated":"2026-01-24 03:51:39","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/posts\/52513","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/comments?post=52513"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/posts\/52513\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/media\/52514"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/media?parent=52513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/categories?post=52513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/tags?post=52513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}