{"id":38421,"date":"2019-10-31T22:23:38","date_gmt":"2019-10-31T19:23:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/rezervnoe-kopirovanie-chast-po-prosbam-chitatelej-obzor-urbackup-backuppc-amanda\/"},"modified":"2019-10-31T22:23:38","modified_gmt":"2019-10-31T19:23:38","slug":"rezervnoe-kopirovanie-chast-po-prosbam-chitatelej-obzor-urbackup-backuppc-amanda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/rezervnoe-kopirovanie-chast-po-prosbam-chitatelej-obzor-urbackup-backuppc-amanda","title":{"rendered":"Backup, del p\u00e5 anmodning fra l\u00e6serne: Oversigt over UrBackup, BackupPC, AMANDA","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Backup, del p\u00e5 anmodning fra l\u00e6serne: Oversigt over UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/c92caf0f951230470e6992d08d3e1f03.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Denne oversigt forts\u00e6tter <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/449282\/\">cyklussen om sikkerhedskopiering<\/a><\/noindex>, skrevet p\u00e5 opfordring fra l\u00e6serne, vil denne handle om UrBackup, BackupPC samt AMANDA.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2 id=\"obzor-urbackup\">Oversigt over UrBackup.<\/h2>\n<p><\/p>\n<p>P\u00e5 anmodning fra deltageren <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/vgusev2007\/\" class=\"user_link\">VGusev2007<\/a><\/noindex> tilf\u00f8jer jeg en oversigt over UrBackup, et klient-server system til sikkerhedskopiering. Det g\u00f8r det muligt at oprette fulde og inkrementelle sikkerhedskopier, det kan arbejde med snapshots af enheder (kun Windows?), samt det kan oprette filbaserede sikkerhedskopier. Klienten kan befinde sig i samme netv\u00e6rk som serveren eller oprette forbindelse via internettet. Der er p\u00e5st\u00e5et \u00e6ndringssporing, hvilket g\u00f8r det muligt at finde forskelle mellem sikkerhedskopier hurtigt. Der er ogs\u00e5 underst\u00f8ttelse af deduplikeringslagring p\u00e5 serversiden, hvilket sparer plads. Netv\u00e6rksforbindelserne er krypterede, og der er en webgr\u00e6nseflade til serveradministration. Lad os se, hvad det kan:<\/p>\n<p>\n<b class=\"spoiler_title\">Ved oprettelse af en fuld sikkerhedskopi opn\u00e5edes f\u00f8lgende resultater:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Backup, del p\u00e5 anmodning fra l\u00e6serne: Oversigt over UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/e39a7ec9c0ccf93c3355368a209cd8c6.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Tid for arbejde:<\/p>\n<p><\/p>\n<p>F\u00f8rste opstart<br \/>\nAnden opstart<br \/>\nTredje opstart<\/p>\n<p>F\u00f8rste test<br \/>\n8m20s<br \/>\n8m19s<br \/>\n8m24s<\/p>\n<p>Anden test<br \/>\n8m30s<br \/>\n8m34s<br \/>\n8m20s<\/p>\n<p>Tredje test<br \/>\n8m10s<br \/>\n8m14s<br \/>\n8m12s<\/p>\n<p><\/p>\n<p>Ved oprettelse af inkrementelle sikkerhedskopier:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Backup, del p\u00e5 anmodning fra l\u00e6serne: Oversigt over UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/8458039f5061145323836bfade72d273.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Tid for arbejde:<\/p>\n<p><\/p>\n<p>F\u00f8rste opstart<br \/>\nAnden opstart<br \/>\nTredje opstart<\/p>\n<p>F\u00f8rste test<br \/>\n8m10s<br \/>\n8m10s<br \/>\n8m12s<\/p>\n<p>Anden test<br \/>\n3m50s<br \/>\n4m12s<br \/>\n3m34s<\/p>\n<p>Tredje test<br \/>\n2m50s<br \/>\n2m35s<br \/>\n2m38s<\/p>\n<p><\/p>\n<p>St\u00f8rrelsen af lagret i begge tilf\u00e6lde var cirka 14 GB, hvilket indikerer fungerende deduplikeringslagring p\u00e5 serversiden. Det skal ogs\u00e5 bem\u00e6rkes, at der er en forskel mellem sikkerhedskopierings tid p\u00e5 serveren og klienten, hvilket tydeligt ses p\u00e5 graferne og er en rigtig god bonus, da webgr\u00e6nsefladen viser behandlingstiden for sikkerhedskopieringsprocessen p\u00e5 serveren uden at tage<br \/>\nklientens tilstand i betragtning. Generelt er graferne for de fulde og inkrementelle kopier umulige at skelne imellem. Forskellen ligger sandsynligvis kun i, hvordan det behandles p\u00e5 serversiden. Jeg blev ogs\u00e5 glad for den lave CPU-belastning p\u00e5 den sikkerhedskopierede system.<\/p>\n<p><\/p>\n<h2 id=\"obzor-backuppc\">Oversigt over BackupPC<\/h2>\n<p><\/p>\n<p>P\u00e5 anmodning fra deltageren <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/vanzhiganov\/\" class=\"user_link\">vanzhiganov<\/a><\/noindex> Jeg tilf\u00f8jer en anmeldelse af BackupPC. Denne software installeres p\u00e5 en server til opbevaring af sikkerhedskopier, skrevet i Perl, og fungerer ovenp\u00e5 forskellige sikkerhedskopieringsv\u00e6rkt\u00f8jer \u2014 f\u00f8rst og fremmest rsync og tar. Transportprotokoller inkluderer ssh og smb, og der findes ogs\u00e5 et web-interface baseret p\u00e5 cgi (udviklet ovenp\u00e5 apache). I web-interfacet er der en omfattende liste over indstillinger. En s\u00e6rlig funktion er muligheden for at angive minimal tid mellem sikkerhedskopier, samt en periode, hvor sikkerhedskopier ikke vil blive oprettet. N\u00e5r man v\u00e6lger filsystem til sikkerhedskopiserveren, skal man v\u00e6re opm\u00e6rksom p\u00e5 underst\u00f8ttelse af h\u00e5rde links. P\u00e5 den m\u00e5de kan filsystemet til lageret ikke opdeles i monteringspunkter. Generelt er indtrykket ret positivt, lad os se hvad denne software er i stand til:<\/p>\n<p>\n<b class=\"spoiler_title\">I fuld sikkerhedskopieringsmode med rsync opn\u00e5ede vi f\u00f8lgende resultater:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Backup, del p\u00e5 anmodning fra l\u00e6serne: Oversigt over UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/95b0b338962a2c379c83f3a9b7ee3531.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>F\u00f8rste opstart<br \/>\nAnden opstart<br \/>\nTredje opstart<\/p>\n<p>F\u00f8rste test<br \/>\n12m25s<br \/>\n12m14s<br \/>\n12m27s<\/p>\n<p>Anden test<br \/>\n7m41s<br \/>\n7m44s<br \/>\n7m35s<\/p>\n<p>Tredje test<br \/>\n10m11s<br \/>\n10m0s<br \/>\n9m54s<\/p>\n<p><\/p>\n<p>Hvis man derimod bruger fulde sikkerhedskopier og tar:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Backup, del p\u00e5 anmodning fra l\u00e6serne: Oversigt over UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/f82dc313f45878b723bc4f50a8f2eb2d.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>F\u00f8rste opstart<br \/>\nAnden opstart<br \/>\nTredje opstart<\/p>\n<p>F\u00f8rste test<br \/>\n12m41s<br \/>\n12m25s<br \/>\n12m45s<\/p>\n<p>Anden test<br \/>\n12m35s<br \/>\n12m45s<br \/>\n12m14s<\/p>\n<p>Tredje test<br \/>\n12m43s<br \/>\n12m25s<br \/>\n12m5s<\/p>\n<p><\/p>\n<p>I inkrementel sikkerhedskopieringsmode m\u00e5tte vi give afkald p\u00e5 tar, da sikkerhedskopier ikke blev oprettet under disse indstillinger.<\/p>\n<p><\/p>\n<p>Resultaterne af oprettelse af inkrementelle sikkerhedskopier ved hj\u00e6lp af rsync er som f\u00f8lger:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Backup, del p\u00e5 anmodning fra l\u00e6serne: Oversigt over UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/032f5a4fd26544c411a2176dd6d9f8f6.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>F\u00f8rste opstart<br \/>\nAnden opstart<br \/>\nTredje opstart<\/p>\n<p>F\u00f8rste test<br \/>\n11m55s<br \/>\n11m50s<br \/>\n12m25s<\/p>\n<p>Anden test<br \/>\n2m42s<br \/>\n2m50s<br \/>\n2m30s<\/p>\n<p>Tredje test<br \/>\n6m00s<br \/>\n5m35s<br \/>\n5m30s<\/p>\n<p><\/p>\n<p>Generelt er der en lille hastighedsfordel ved rsync, og rsync arbejder ogs\u00e5 mere effektivt med netv\u00e6rk. Dette kan delvist opvejes af en lavere CPU-brug med tar som program til sikkerhedskopiering. En anden fordel ved rsync er h\u00e5ndtering af inkrementelle kopier. St\u00f8rrelsen p\u00e5 depotet ved oprettelse af fulde sikkerhedskopier er den samme, nemlig 16 GB, mens den for inkrementelle kopier er 14 GB pr. k\u00f8rsel, hvilket indikerer effektiv deduplicering.<\/p>\n<p><\/p>\n<h2 id=\"obzor-amanda\">Anmeldelse af AMANDA<\/h2>\n<p><\/p>\n<p>P\u00e5 anmodning fra deltageren <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/oller\/\" class=\"user_link\">oller<\/a><\/noindex> Jeg tilf\u00f8jer tests af AMANDA,<\/p>\n<p>\n<b class=\"spoiler_title\">Resultaterne af testk\u00f8rslen med tar som arkiveringsv\u00e6rkt\u00f8j og aktivering af komprimering er som f\u00f8lger:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Backup, del p\u00e5 anmodning fra l\u00e6serne: Oversigt over UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/259820d08b21444dd61b30cb3bdeb38f.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>F\u00f8rste opstart<br \/>\nAnden opstart<br \/>\nTredje opstart<\/p>\n<p>F\u00f8rste test<br \/>\n9m5s<br \/>\n8m59s<br \/>\n9m6s<\/p>\n<p>Anden test<br \/>\n0m5s<br \/>\n0m5s<br \/>\n0m5s<\/p>\n<p>Tredje test<br \/>\n2m40s<br \/>\n2m47s<br \/>\n2m45s<\/p>\n<p><\/p>\n<p>Programmet belaster et enkelt CPU-kerne fuldst\u00e6ndigt, men p\u00e5 grund af de begr\u00e6nsede IOPS p\u00e5 backup-serverens disk kan det ikke opn\u00e5 h\u00f8jere dataoverf\u00f8rselshastigheder. Generelt har ops\u00e6tningen givet lidt flere udfordringer end de andre deltagere, da programmets forfatter ikke bruger SSH som transport, men implementerer en lignende n\u00f8gleordning ved at skabe og opretholde en fuld CA. Der er mulighed for at begr\u00e6nse klienten og backup-serveren bredt: for eksempel, hvis de ikke kan stole fuldt ud p\u00e5 hinanden, kan man som en mulighed forbyde initiativet til at genskabe backup fra serverens side ved at s\u00e6tte den relevante variabel til nul i konfigurationsfilen. Det er muligt at tilslutte et web-gr\u00e6nseflade til administration, men generelt kan det opsatte system automatiseres fuldst\u00e6ndigt ved hj\u00e6lp af sm\u00e5 scripts i bash (eller SCM, eksempelvis ansible). Der findes et ikke-trivielt system til ops\u00e6tning af opbevaring, hvilket tilsyneladende skyldes underst\u00f8ttelsen af en omfattende liste af forskellige opbevaringsenheder (LTO-b\u00e5nd, harddiske osv.). Det er ogs\u00e5 v\u00e6rd at bem\u00e6rke, at af alle de programmer, der er behandlet i denne artikel, er AMANDA den eneste, der har kunnet opdage katalogomd\u00f8bning. Repository-st\u00f8rrelsen ved en enkelt gennemk\u00f8rsel var 13 GB.<\/p>\n<p><\/p>\n<p>Annonce<\/p>\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\/\">Sikkerhedskopiering, del 4: Oversigt og test af zbackup, restic, borgbackup<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/459550\/\">Sikkerhedskopiering, del 5: Test af bacula og veeam backup for linux<\/a><\/noindex><br \/>\nSikkerhedskopiering, del 6: Sammenligning af sikkerhedskopieringsv\u00e6rkt\u00f8jer<br \/>\nBackup, del 7: Konklusioner<\/p>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/468963\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u0430\u043d\u043d\u0430\u044f \u043e\u0431\u0437\u043e\u0440\u043d\u0430\u044f \u0437\u0430\u043c\u0435\u0442\u043a\u0430 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442 \u0446\u0438\u043a\u043b \u043f\u043e \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u043c\u0443 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044e, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0430 \u043f\u043e \u043f\u0440\u043e\u0441\u044c\u0431\u0435 \u0447\u0438\u0442\u0430\u0442\u0435\u043b\u0435\u0439, \u0432 \u043d\u0435\u0439 \u0440\u0435\u0447\u044c \u043f\u043e\u0439\u0434\u0435\u0442 \u043e UrBackup, BackupPC, \u0430 \u0442\u0430\u043a\u0436\u0435 AMANDA. \u041e\u0431\u0437\u043e\u0440 UrBackup. \u041f\u043e \u043f\u0440\u043e\u0441\u044c\u0431\u0435 \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u0430 VGusev2007 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e \u043e\u0431\u0437\u043e\u0440 UrBackup, \u043a\u043b\u0438\u0435\u043d\u0442-\u0441\u0435\u0440\u0432\u0435\u0440\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0434\u043b\u044f \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u0433\u043e \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u041e\u043d\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u043f\u043e\u043b\u043d\u044b\u0435 \u0438 \u0438\u043d\u043a\u0440\u0435\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0435 \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u044b\u0435 \u043a\u043e\u043f\u0438\u0438, \u0443\u043c\u0435\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441\u043e \u0441\u043d\u0438\u043c\u043a\u0430\u043c\u0438 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 (Win only?), \u0430 \u0442\u0430\u043a\u0436\u0435 \u0443\u043c\u0435\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":28840,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-38421","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 - 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