{"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\/sv\/blog\/administrirovanie\/rezervnoe-kopirovanie-chast-po-prosbam-chitatelej-obzor-urbackup-backuppc-amanda","title":{"rendered":"Backup, del av l\u00e4sarnas \u00f6nskem\u00e5l: \u00d6versikt av UrBackup, BackupPC, AMANDA","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Backup, del av l\u00e4sarnas \u00f6nskem\u00e5l: \u00d6versikt av UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/c92caf0f951230470e6992d08d3e1f03.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Denna \u00f6versiktsnotering forts\u00e4tter <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/449282\/\">cykeln av backup<\/a><\/noindex>, skriven p\u00e5 beg\u00e4ran av l\u00e4sarna, handlar om UrBackup, BackupPC, samt AMANDA.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2 id=\"obzor-urbackup\">\u00d6versikt av UrBackup.<\/h2>\n<p><\/p>\n<p>P\u00e5 beg\u00e4ran av deltagaren <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/vgusev2007\/\" class=\"user_link\">VGusev2007<\/a><\/noindex> l\u00e4mnar jag h\u00e4r en \u00f6versikt av UrBackup, ett klient-server system f\u00f6r backups. Det m\u00f6jligg\u00f6r skapande av kompletta och inkrementella s\u00e4kerhetskopior, kan arbeta med enhetsbilder (bara Win?), samt kan skapa filbackup. Klienten kan vara i samma n\u00e4tverk som servern eller ansluta via Internet. Det utlovas sp\u00e5rning av f\u00f6r\u00e4ndringar, vilket g\u00f6r det m\u00f6jligt att snabbt hitta skillnader mellan s\u00e4kerhetskopiorna. Det finns ocks\u00e5 st\u00f6d f\u00f6r deduplicering av lagring p\u00e5 serversidan, vilket sparar utrymme. N\u00e4tverksanslutningar \u00e4r krypterade, och det finns ett webgr\u00e4nssnitt f\u00f6r att hantera servern. L\u00e5t oss se vad det kan g\u00f6ra:<\/p>\n<p>\n<b class=\"spoiler_title\">I l\u00e4get f\u00f6r att skapa en fullst\u00e4ndig s\u00e4kerhetskopia fick vi f\u00f6ljande resultat:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Backup, del av l\u00e4sarnas \u00f6nskem\u00e5l: \u00d6versikt av UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/e39a7ec9c0ccf93c3355368a209cd8c6.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Driftstid:<\/p>\n<p><\/p>\n<p>F\u00f6rsta k\u00f6rning<br \/>\nAndra k\u00f6rning<br \/>\nTredje k\u00f6rning<\/p>\n<p>F\u00f6rsta test<br \/>\n8m20s<br \/>\n8m19s<br \/>\n8m24s<\/p>\n<p>Andra test<br \/>\n8m30s<br \/>\n8m34s<br \/>\n8m20s<\/p>\n<p>Tredje test<br \/>\n8m10s<br \/>\n8m14s<br \/>\n8m12s<\/p>\n<p><\/p>\n<p>I l\u00e4get f\u00f6r att skapa inkrementella s\u00e4kerhetskopior:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Backup, del av l\u00e4sarnas \u00f6nskem\u00e5l: \u00d6versikt av UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/8458039f5061145323836bfade72d273.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Driftstid:<\/p>\n<p><\/p>\n<p>F\u00f6rsta k\u00f6rning<br \/>\nAndra k\u00f6rning<br \/>\nTredje k\u00f6rning<\/p>\n<p>F\u00f6rsta test<br \/>\n8m10s<br \/>\n8m10s<br \/>\n8m12s<\/p>\n<p>Andra test<br \/>\n3m50s<br \/>\n4m12s<br \/>\n3m34s<\/p>\n<p>Tredje test<br \/>\n2m50s<br \/>\n2m35s<br \/>\n2m38s<\/p>\n<p><\/p>\n<p>Storleken p\u00e5 repositoriet var ungef\u00e4r 14 GB i b\u00e5da fallen, vilket tyder p\u00e5 fungerande deduplicering p\u00e5 serversidan. Det b\u00f6r ocks\u00e5 p\u00e5pekas att det finns en skillnad i tid f\u00f6r skapande av s\u00e4kerhetskopior p\u00e5 servern och p\u00e5 klienten, vilket tydligt framg\u00e5r av graferna och \u00e4r en mycket trevlig bonus, eftersom webgr\u00e4nssnittet visar driftstiden f\u00f6r backup-processen p\u00e5 serversidan utan att ta h\u00e4nsyn till<br \/>\nklientens status. Totalt sett \u00e4r graferna f\u00f6r fullst\u00e4ndig och inkrementell kopia oskiljaktiga. Troligen \u00e4r skillnaden bara hur detta behandlas p\u00e5 serversidan. Det var ocks\u00e5 gl\u00e4djande att se den l\u00e5ga CPU-belastningen p\u00e5 det s\u00e4kerhetskopierade systemet.<\/p>\n<p><\/p>\n<h2 id=\"obzor-backuppc\">\u00d6versikt av BackupPC<\/h2>\n<p><\/p>\n<p>P\u00e5 beg\u00e4ran av deltagaren <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/vanzhiganov\/\" class=\"user_link\">vanzhiganov<\/a><\/noindex> Jag l\u00e4gger till en \u00f6versikt av BackupPC. Denna programvara installeras p\u00e5 en server f\u00f6r lagring av s\u00e4kerhetskopior, \u00e4r skriven i Perl och fungerar ovanp\u00e5 olika s\u00e4kerhetskopieringsverktyg \u2014 fr\u00e4mst rsync och tar. F\u00f6r transport anv\u00e4nds ssh och smb, och det finns ocks\u00e5 ett webbgr\u00e4nssnitt baserat p\u00e5 cgi (installeras ovanp\u00e5 apache). I webbgr\u00e4nssnittet finns en omfattande lista med inst\u00e4llningar. En s\u00e4rskild funktion \u00e4r m\u00f6jligheten att ange den minimi tiden mellan s\u00e4kerhetskopior samt perioden under vilken s\u00e4kerhetskopior inte kommer att skapas. Vid val av filsystem f\u00f6r s\u00e4kerhetskopiseringsservern b\u00f6r man vara uppm\u00e4rksam p\u00e5 st\u00f6d f\u00f6r h\u00e5rda l\u00e4nkar. S\u00e5ledes kan man inte bryta upp lagringsfilsystemet i monteringspunkter. Sammanfattningsvis ett ganska positivt intryck, l\u00e5t oss se vad denna programvara kan g\u00f6ra:<\/p>\n<p>\n<b class=\"spoiler_title\">I l\u00e4get f\u00f6r att skapa fullst\u00e4ndiga s\u00e4kerhetskopior med rsync blev resultaten:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Backup, del av l\u00e4sarnas \u00f6nskem\u00e5l: \u00d6versikt av UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/95b0b338962a2c379c83f3a9b7ee3531.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>F\u00f6rsta k\u00f6rning<br \/>\nAndra k\u00f6rning<br \/>\nTredje k\u00f6rning<\/p>\n<p>F\u00f6rsta test<br \/>\n12m25s<br \/>\n12m14s<br \/>\n12m27s<\/p>\n<p>Andra test<br \/>\n7m41s<br \/>\n7m44s<br \/>\n7m35s<\/p>\n<p>Tredje test<br \/>\n10m11s<br \/>\n10m0s<br \/>\n9m54s<\/p>\n<p><\/p>\n<p>Om man anv\u00e4nder fullst\u00e4ndiga s\u00e4kerhetskopior och tar:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Backup, del av l\u00e4sarnas \u00f6nskem\u00e5l: \u00d6versikt av UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/f82dc313f45878b723bc4f50a8f2eb2d.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>F\u00f6rsta k\u00f6rning<br \/>\nAndra k\u00f6rning<br \/>\nTredje k\u00f6rning<\/p>\n<p>F\u00f6rsta test<br \/>\n12m41s<br \/>\n12m25s<br \/>\n12m45s<\/p>\n<p>Andra test<br \/>\n12m35s<br \/>\n12m45s<br \/>\n12m14s<\/p>\n<p>Tredje test<br \/>\n12m43s<br \/>\n12m25s<br \/>\n12m5s<\/p>\n<p><\/p>\n<p>Vid skapandet av inkrementella s\u00e4kerhetskopior var jag tvungen att avst\u00e5 fr\u00e5n tar, eftersom s\u00e4kerhetskopiorna inte skapades med dessa inst\u00e4llningar.<\/p>\n<p><\/p>\n<p>Resultaten av skapandet av inkrementella s\u00e4kerhetskopior med rsync \u00e4r f\u00f6ljande:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Backup, del av l\u00e4sarnas \u00f6nskem\u00e5l: \u00d6versikt av UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/032f5a4fd26544c411a2176dd6d9f8f6.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>F\u00f6rsta k\u00f6rning<br \/>\nAndra k\u00f6rning<br \/>\nTredje k\u00f6rning<\/p>\n<p>F\u00f6rsta test<br \/>\n11m55s<br \/>\n11m50s<br \/>\n12m25s<\/p>\n<p>Andra test<br \/>\n2m42s<br \/>\n2m50s<br \/>\n2m30s<\/p>\n<p>Tredje test<br \/>\n6m00s<br \/>\n5m35s<br \/>\n5m30s<\/p>\n<p><\/p>\n<p>Generellt sett syns en liten hastighetsf\u00f6rdel f\u00f6r rsync, och rsync arbetar ocks\u00e5 mer ekonomiskt med n\u00e4tverket. Detta kan delvis kompenseras med mindre CPU-anv\u00e4ndning med tar som program f\u00f6r att skapa s\u00e4kerhetskopior. En annan f\u00f6rdel med rsync \u00e4r dess arbete med inkrementella kopior. Storleken p\u00e5 arkivet vid skapandet av fullst\u00e4ndiga s\u00e4kerhetskopior \u00e4r densamma, 16 GB, medan det vid inkrementella kopior \u00e4r 14 GB per k\u00f6rning, vilket inneb\u00e4r aktiv deduplicering.<\/p>\n<p><\/p>\n<h2 id=\"obzor-amanda\">\u00d6versikt av AMANDA<\/h2>\n<p><\/p>\n<p>P\u00e5 beg\u00e4ran av deltagaren <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/oller\/\" class=\"user_link\">oller<\/a><\/noindex> Jag l\u00e4gger till tester av AMANDA,<\/p>\n<p>\n<b class=\"spoiler_title\">Resultaten av testk\u00f6rningen med tar som arkiverare och aktivering av komprimering \u00e4r f\u00f6ljande:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Backup, del av l\u00e4sarnas \u00f6nskem\u00e5l: \u00d6versikt av UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/259820d08b21444dd61b30cb3bdeb38f.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>F\u00f6rsta k\u00f6rning<br \/>\nAndra k\u00f6rning<br \/>\nTredje k\u00f6rning<\/p>\n<p>F\u00f6rsta test<br \/>\n9m5s<br \/>\n8m59s<br \/>\n9m6s<\/p>\n<p>Andra 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 belastade helt ett processor k\u00e4rna, men p\u00e5 grund av den IOPS-begr\u00e4nsade disken p\u00e5 serversidan f\u00f6r backup-lagring kunde den inte utveckla h\u00f6gre data\u00f6verf\u00f6ringshastighet. Generellt sett orsakade konfigurationen n\u00e5got fler problem \u00e4n de andra deltagarna, eftersom programmets skapare inte anv\u00e4nder SSH som transport, utan implementerar ett liknande system med nycklar genom att skapa och uppr\u00e4tth\u00e5lla en fullst\u00e4ndig CA. Det finns m\u00f6jlighet att brett begr\u00e4nsa klienten och backupservern: till exempel, om de inte kan lita helt p\u00e5 varandra, kan man, som ett alternativ, f\u00f6rbjuda initiering av \u00e5terst\u00e4llning fr\u00e5n serverns sida genom att s\u00e4tta v\u00e4rdet av motsvarande variabel till noll i konfigurationsfilen. Det finns ocks\u00e5 m\u00f6jlighet att ansluta ett webbgr\u00e4nssnitt f\u00f6r administration, men i allm\u00e4nhet kan det inst\u00e4llda systemet automatiseras helt med hj\u00e4lp av sm\u00e5 skript i bash (eller SCM, exempelvis Ansible). Det finns ett t\u00e4mligen komplext system f\u00f6r att st\u00e4lla in lagringen, vilket verkar vara kopplat till st\u00f6det f\u00f6r en omfattande lista av olika lagringsenheter (LTO-kassetter, h\u00e5rddiskar osv.). Det b\u00f6r ocks\u00e5 noteras att av alla program som diskuterats i denna artikel \u00e4r AMANDA det enda som lyckades uppt\u00e4cka omd\u00f6pningen av katalogen. Storleken p\u00e5 f\u00f6rr\u00e5det vid en k\u00f6rning var 13 GB.<\/p>\n<p><\/p>\n<p>Tillk\u00e4nnagivande<\/p>\n<p><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/449282\/\">Backup, del 1: Varf\u00f6r beh\u00f6vs backup, \u00f6versikt \u00f6ver metoder och teknologier<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/452630\/\">Backup, del 2: \u00d6versikt och test av rsync-baserade backupverktyg<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/454420\/\">Backup, del 3: \u00d6versikt och test av duplicity, duplicati<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/454734\/\">Backup, del 4: \u00d6versikt och test av zbackup, restic, borgbackup<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/459550\/\">Backup, del 5: Test av bacula och veeam backup f\u00f6r linux<\/a><\/noindex><br \/>\nBackup, del 6: J\u00e4mf\u00f6relse av backupverktyg<br \/>\nBackup, del 7: Slutsatser<\/p>\n<p>K\u00e4lla: <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 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