{"id":36142,"date":"2019-10-31T22:09:51","date_gmt":"2019-10-31T19:09:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/rezervnoe-kopirovanie-chast-5-testirovanie-bacula-i-veeam-backup-for-linux\/"},"modified":"2019-10-31T22:09:51","modified_gmt":"2019-10-31T19:09:51","slug":"rezervnoe-kopirovanie-chast-5-testirovanie-bacula-i-veeam-backup-for-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/rezervnoe-kopirovanie-chast-5-testirovanie-bacula-i-veeam-backup-for-linux","title":{"rendered":"Backup, del 5: Test af Bacula og Veeam Backup for Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Backup, del 5: Test af Bacula og Veeam Backup for Linux\" src=\"\/wp-content\/uploads\/2019\/07\/63a738f9f09d672d072927d19517e9e4.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Denne note vil behandle forskellige \"store\" softwarel\u00f8sninger til backup, herunder kommercielle. Listen over kandidater inkluderer: Veeam Agent til Linux, Bacula.<\/p>\n<p><\/p>\n<p>Der vil blive fokuseret p\u00e5 at teste funktionaliteten med filsystemet for nemt at kunne sammenligne med tidligere kandidater.<\/p>\n<p><\/p>\n<h2 id=\"ozhidaemye-rezultaty\">Forventede resultater<\/h2>\n<p><\/p>\n<p>Da begge kandidater er alsidige f\u00e6rdige l\u00f8sninger, vil det vigtigste resultat v\u00e6re forudsigeligheden af deres funktion, nemlig ens behandlingstid for det samme datavolumen samt ens belastning undervejs.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3 id=\"obzor-veeam-agent-dlya-linux\">Oversigt over Veeam Agent til Linux<\/h3>\n<p><\/p>\n<p>Dette backupprogram arbejder med blokenheder, for hvilket det har en modul til Linux-kernen, der sikrer integriteten af backupen ved at spore \u00e6ndrede datablokke. En mere detaljeret beskrivelse kan findes <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/veeam\/blog\/430770\/\">her<\/a><\/noindex>.<\/p>\n<p><\/p>\n<p>Processen med at oprette en filbackup fungerer p\u00e5 baggrund af den samme kerne-modul: et snapshot af blokenheden oprettes, som monteres i en midlertidig katalog, hvorefter data synkroniseres fil for fil fra snapshotet til en anden lokal katalog, eller til en fjernkatalog via smb eller nfs, hvor der oprettes flere filer i et propriet\u00e6rt format.<\/p>\n<p><\/p>\n<p>Processen med at oprette en filbackup blev ikke gennemf\u00f8rt. Cirka ved 15-16% af udf\u00f8relsen faldt hastigheden til 600 kB\/s og lavere ved 50% CPU-belastning, hvilket potentielt kunne medf\u00f8re 6-7 timers backupproces, derfor blev processen stoppet.<\/p>\n<p><\/p>\n<p>Der blev oprettet en supportanmodning til Veeam, som tilb\u00f8d at bruge blokmode som l\u00f8sning.<\/p>\n<p>\n<b class=\"spoiler_title\">Resultaterne fra arbejdet i blokmode for backup-oprettelse er som f\u00f8lger:<\/b><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habrastorage.org\/webt\/a7\/sq\/9x\/a7sq9xfhuqptjyd22j2vgn78tem.png\"><img decoding=\"async\" alt=\"Backup, del 5: Test af Bacula og Veeam Backup for Linux\" src=\"\/wp-content\/uploads\/2019\/07\/538498d2113ab0696fd16d14aaef5718.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/p>\n<p><\/p>\n<p>Programmet arbejdede i dette mode i 6 minutter for 20 GB data.<\/p>\n<p><\/p>\n<p>Generelt set er der ret gode indtryk af programmets arbejde, men det vil ikke blive betragtet i den samlede oversigt p\u00e5 grund af den meget store langsomhed i filmode.<\/p>\n<p><\/p>\n<h3 id=\"obzor-bacula\">Oversigt over Bacula<\/h3>\n<p><\/p>\n<p>Bacula \u2014 klient-server software til at lave sikkerhedskopier, best\u00e5r logisk af flere dele, hvor hver del udf\u00f8rer sin egen opgave. Der er Director, som bruges til at styre, FileDaemon \u2014 tjeneste, der ansvarer for sikkerhedskopiering, StorageDaemon \u2014 tjeneste til opbevaring af sikkerhedskopier, Console \u2014 interface til Director (der findes TUI, GUI, Web varianter). Dette kompleks er ogs\u00e5 inkluderet i oversigten, fordi det, p\u00e5 trods af den markante indl\u00e6ringskurve, er et relativt popul\u00e6rt middel til at organisere sikkerhedskopiering.<\/p>\n<p>\n<b class=\"spoiler_title\">I fuld sikkerhedskopierings-tilstand<\/b><\/p>\n<p>I denne tilstand viste Bacula sig at v\u00e6re ret forudsigelig, idet den lavede en sikkerhedskopi i gennemsnit p\u00e5 10 minutter,<br \/>\nbelastningsprofilen var som f\u00f8lger:<\/p>\n<p><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habrastorage.org\/webt\/jl\/2a\/-o\/jl2a-opslr85cuofn5d-v3norwa.png\"><img decoding=\"async\" alt=\"Backup, del 5: Test af Bacula og Veeam Backup for Linux\" src=\"\/wp-content\/uploads\/2019\/07\/992a07a65017dd05e6b9dc89414f0722.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/p>\n<p><\/p>\n<p>St\u00f8rrelsen p\u00e5 sikkerhedskopierne var omkring 30 GB, som forventet i denne driftsmode.<\/p>\n<p><\/p>\n<p>Ved oprettelse af inkrementale sikkerhedskopier var resultaterne ikke meget forskellige, bortset fra st\u00f8rrelsen p\u00e5 repositoryet, selvf\u00f8lgelig (omkring 14 GB).<\/p>\n<p><\/p>\n<p>Generelt er der en j\u00e6vn belastning p\u00e5 et enkelt CPU-kerne, og resultaterne er ensartede med en almindelig tar med aktiveret komprimering. P\u00e5 grund af at indstillingerne for Bacula til sikkerhedskopiering er meget omfattende, blev det ikke muligt at vise en klar fordel.<\/p>\n<p><\/p>\n<h3 id=\"rezultaty\">Resultater<\/h3>\n<p><\/p>\n<p>Generelt er situationen ugunstig for begge kandidater, sandsynligvis p\u00e5 grund af at der anvendes fil-baseret sikkerhedskopieringsmetode. I den n\u00e6ste del vil processen for gendannelse fra sikkerhedskopier ogs\u00e5 blive gennemg\u00e5et, og der kan drages generelle konklusioner baseret p\u00e5 den samlede tid.<\/p>\n<p><\/p>\n<h3 id=\"anons\">Annonce<\/h3>\n<p><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/449282\/\">Sikkerhedskopiering, del 1: Hvorfor er sikkerhedskopiering n\u00f8dvendigt, oversigt over metoder, teknologier<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/452630\/\">Backup, del 2: Oversigt og test af rsync-baserede backupl\u00f8sninger.<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/454420\/\">Sikkerhedskopiering, del 3: Oversigt og test af duplicity, duplicati<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/454734\/#first_unread\">Sikkerhedskopiering, del 4: Oversigt og test af zbackup, restic, borgbackup<\/a><\/noindex><br \/>\nBackup, del 5: Test af Bacula og Veeam Backup for Linux<br \/>\nSikkerhedskopiering, del 6: Sammenligning af sikkerhedskopieringsv\u00e6rkt\u00f8jer<br \/>\nBackup, del 7: Konklusioner<\/p>\n<p><\/p>\n<p><u>Forfatteren af indl\u00e6gget:<\/u> Pavel Demkovich<\/p>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/459550\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0434\u0430\u043d\u043d\u043e\u0439 \u0437\u0430\u043c\u0435\u0442\u043a\u0435 \u0431\u0443\u0434\u0443\u0442 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0435 &#171;\u0431\u043e\u043b\u044c\u0448\u0438\u0435&#187; \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u0433\u043e \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0435. \u0421\u043f\u0438\u0441\u043e\u043a \u043a\u0430\u043d\u0434\u0438\u0434\u0430\u0442\u043e\u0432: Veeam Agent \u0434\u043b\u044f Linux, Bacula. \u0411\u0443\u0434\u0435\u0442 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0442\u044c\u0441\u044f \u0440\u0430\u0431\u043e\u0442\u0430 \u0438\u043c\u0435\u043d\u043d\u043e \u0441 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u043e\u0439, \u0447\u0442\u043e\u0431\u044b \u0431\u044b\u043b\u043e \u0443\u0434\u043e\u0431\u043d\u043e \u0441\u0440\u0430\u0432\u043d\u0438\u0432\u0430\u0442\u044c \u0441 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0438\u043c\u0438 \u043a\u0430\u043d\u0434\u0438\u0434\u0430\u0442\u0430\u043c\u0438. \u041e\u0436\u0438\u0434\u0430\u0435\u043c\u044b\u0435 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u041f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043e\u0431\u0430 \u043a\u0430\u043d\u0434\u0438\u0434\u0430\u0442\u0430 \u2014 \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u044b\u0435 \u0433\u043e\u0442\u043e\u0432\u044b\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f, \u0432\u0430\u0436\u043d\u0435\u0439\u0448\u0438\u043c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u043c \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0443\u0435\u043c\u043e\u0441\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u044b, \u0430 \u0438\u043c\u0435\u043d\u043d\u043e \u2014 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0440\u0430\u0431\u043e\u0442\u044b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27032,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-36142","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/rezervnoe-kopirovanie-chast-5-testirovanie-bacula-i-veeam-backup-for-linux\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"da_DK\" \/>\n\t\t<meta 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