{"id":121334,"date":"2025-01-14T09:46:09","date_gmt":"2025-01-14T07:46:09","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-openzfs-2-3-0-realizaczii-zfs-dlya-linux-i-freebsd"},"modified":"2025-01-14T09:46:09","modified_gmt":"2025-01-14T07:46:09","slug":"reliz-openzfs-2-3-0-realizaczii-zfs-dlya-linux-i-freebsd","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/reliz-openzfs-2-3-0-realizaczii-zfs-dlya-linux-i-freebsd","title":{"rendered":"Release-ul OpenZFS 2.3.0, implementarea ZFS pentru Linux \u0219i FreeBSD","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dup\u0103 mai bine de un an de dezvoltare, a fost lansat\u0103 versiunea proiectului OpenZFS 2.3.0, care dezvolt\u0103 implementarea sistemului de fi\u0219iere ZFS pentru Linux \u0219i FreeBSD. Proiectul a ob\u021binut notorietate ca \u201eZFS pe Linux\u201d \u0219i anterior s-a limitat la dezvoltarea unui modul pentru kernelul Linux, dar dup\u0103 fuziunea cu codul din FreeBSD, a fost recunoscut ca implementarea principal\u0103 a OpenZFS \u0219i redenumit.     <\/p>\n<p>Func\u021bionarea OpenZFS a fost testat\u0103 cu nucleele Linux de la 4.18 la 6.12 \u0219i cu toate versiunile FreeBSD, \u00eencep\u00e2nd cu 13.3. Codul este distribuit sub licen\u021ba liber\u0103 CDDL. OpenZFS este deja utilizat \u00een FreeBSD \u0219i este inclus \u00een distribu\u021biile Debian, Ubuntu, Gentoo, NixOS \u0219i ALT Linux. Pachetele cu noua versiune vor fi preg\u0103tite \u00een cur\u00e2nd pentru cele mai importante distribu\u021bii Linux, inclusiv Debian, Ubuntu, Fedora, RHEL\/CentOS.      <\/p>\n<p>OpenZFS ofer\u0103 o implementare a componentelor ZFS, legate at\u00e2t de func\u021bionarea sistemului de fi\u0219iere, c\u00e2t \u0219i de func\u021bionarea managerului de volume. Au fost implementate componente: SPA (Storage Pool Allocator), DMU (Data Management Unit), ZVOL (ZFS Emulated Volume) \u0219i ZPL (ZFS POSIX Layer). Proiectul permite, de asemenea, utilizarea ZFS ca backend pentru sistemul de fi\u0219iere clusterizat Lustre. Munca desf\u0103\u0219urat\u0103 \u00een cadrul OpenZFS se bazeaz\u0103 pe codul original ZFS, importat din proiectul OpenSolaris \u0219i extins cu \u00eembun\u0103t\u0103\u021biri \u0219i corec\u021bii din partea comunit\u0103\u021bii Illumos. Proiectul se dezvolt\u0103 cu participarea angaja\u021bilor Laboratorului Na\u021bional Livermore, \u00een colaborare cu Ministerul Energiei din SUA.    <\/p>\n<p>Codul este distribuit sub licen\u021ba liber\u0103 CDDL, care nu este compatibil\u0103 cu GPLv2, ceea ce \u00eempiedic\u0103 integrarea OpenZFS \u00een ramura principal\u0103 a nucleului Linux, deoarece amestecarea codului sub licen\u021bele GPLv2 \u0219i CDDL nu este permis\u0103. Pentru a evita incompatibilitatea licen\u021bial\u0103, s-a decis s\u0103 se distribuie produsul pentru Linux \u00een \u00eentregime sub licen\u021ba CDDL, sub forma unui modul care se descarc\u0103 separat de nucleu. Stabilitatea bazei de cod OpenZFS este evaluat\u0103 ca fiind comparabil\u0103 cu alte sisteme de fi\u0219iere pentru Linux.     <\/p>\n<p>Modific\u0103ri principale:  <\/p>\n<ul>\n<li class=\"l\"> A fost implementat\u0103 posibilitatea de a ad\u0103uga \u00een timp real noi discuri \u00eentr-un array RAIDZ existent pentru a cre\u0219te dimensiunea stoc\u0103rii f\u0103r\u0103 a opri func\u021bionarea \u0219i f\u0103r\u0103 a fi necesar\u0103 crearea unui nou grup de unit\u0103\u021bi. Redistribuirea datelor redundante \u021bin\u00e2nd cont de noile discuri se realizeaz\u0103 automat. Pentru a ad\u0103uga un disc la un grup existent, se poate utiliza comanda \u201ezpool attach POOL raidzP-N NEW_DEVICE\u201d, iar pentru a urm\u0103ri finalizarea procesului de fundal de extindere a array-ului \u2014 \u201ezpool status\u201d.\n<li class=\"l\"> Execu\u021bia opera\u021biunilor legate de deduplicarea blocurilor de date a fost semnificativ accelerat\u0103. Optimiz\u0103rile au afectat printre altele formatul tabelelor de deduplicare, a\u0219a c\u0103 pentru a utiliza optimiz\u0103rile propuse \u00een pool-urile existente este necesar s\u0103 activa\u021bi op\u021biunea \u201efast_dedup\u201d, dup\u0103 care vor fi create noi tabele de deduplicare, care vor fi folosite simultan cu vechile tabele.\n<li class=\"l\"> A fost ad\u0103ugat modul de intrare\/ie\u0219ire direct\u0103 (Direct IO), care permite efectuarea opera\u021biunilor de citire \u0219i scriere ocolind cache-ul ARC (Adaptive Replacement Cache). Acest mod permite cre\u0219terea eficien\u021bei \u00een situa\u021bii \u00een care cache-ul poate afecta negativ performan\u021ba din cauza opera\u021biunilor suplimentare de copiere \u00een memorie, de exemplu, atunci c\u00e2nd se utilizeaz\u0103 dispozitive NVMe.\n<li class=\"l\"> Majoritatea comenzilor (zfs list|get|mount|version, zpool status|list|get|version) au fost ad\u0103ugate cu op\u021biunea \u201e-j\u201d pentru a oferi \u00een format JSON.\n<li class=\"l\"> Dimensiunea permis\u0103 a numelui fi\u0219ierelor \u0219i directoarelor a fost crescut\u0103 de la 255 la 1023 de caractere (noua dimensiune a fost selectat\u0103 pentru a permite stocarea a 255 de caractere de 4 octe\u021bi).\n<li class=\"l\"> Au fost implementate optimiz\u0103ri de performan\u021b\u0103 care acoper\u0103 diferite p\u0103r\u021bi ale codului surs\u0103.\n<li class=\"l\"> Au fost ad\u0103ugate op\u021biuni \u00een modulul nucleului:\n<ul>\n<li>dmu_ddt_copies<\/li>\n<li>raidz_expand_max_copy_bytes<\/li>\n<li>raidz_expand_max_reflow_bytes<\/li>\n<li>raidz_io_aggregate_rows<\/li>\n<li>spa_cpus_per_allocator<\/li>\n<li>spa_num_allocators<\/li>\n<li>zap_shrink_enabled<\/li>\n<li>zfetch_max_idistance<\/li>\n<li>zfs_active_allocator<\/li>\n<li>zfs_arc_shrinker_seeks<\/li>\n<li>zfs_dedup_log_flush_entries_min<\/li>\n<li>.zfs_dedup_log_flush_flow_rate_txgs<\/li>\n<li>zfs_dedup_log_flush_min_time_ms<\/li>\n<li>zfs_dedup_log_flush_passes_max<\/li>\n<li>zfs_dedup_log_mem_max<\/li>\n<li>zfs_dedup_log_mem_max_percent<\/li>\n<li>zfs_dedup_log_txg_max<\/li>\n<li>zfs_dio_enabled<\/li>\n<li>zfs_dio_write_verify_events_per_second<\/li>\n<li>zfs_resilver_defer_percent<\/li>\n<li>zfs_scrub_after_expand<\/li>\n<li>zfs_snapshot_no_setuid<\/li>\n<li>zfs_vdev_direct_write_verify<\/li>\n<li>zio_taskq_write_tpq  <\/ul>\n<\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62552\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0431\u043e\u043b\u0435\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 OpenZFS 2.3.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b ZFS \u0434\u043b\u044f Linux \u0438 FreeBSD. \u041f\u0440\u043e\u0435\u043a\u0442 \u043f\u043e\u043b\u0443\u0447\u0438\u043b \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u043a\u0430\u043a &#171;ZFS on Linux&#187; \u0438 \u0440\u0430\u043d\u0435\u0435 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u043b\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u043c\u043e\u0434\u0443\u043b\u044f \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux, \u043d\u043e \u043f\u043e\u0441\u043b\u0435 \u0441\u043b\u0438\u044f\u043d\u0438\u044f \u0441 \u043a\u043e\u0434\u043e\u043c \u0438\u0437 FreeBSD \u0431\u044b\u043b \u043f\u0440\u0438\u0437\u043d\u0430\u043d \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 OpenZFS \u0438 \u043f\u0435\u0440\u0435\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d. \u0420\u0430\u0431\u043e\u0442\u0430 OpenZFS \u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u0430 \u0441 \u044f\u0434\u0440\u0430\u043c\u0438 Linux c 4.18 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-121334","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0431\u043e\u043b\u0435\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 OpenZFS 2.3.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 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