{"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\/it\/blog\/administrirovanie\/rezervnoe-kopirovanie-chast-po-prosbam-chitatelej-obzor-urbackup-backuppc-amanda","title":{"rendered":"Backup, parte su richiesta dei lettori: Panoramica di UrBackup, BackupPC, AMANDA","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Backup, parte su richiesta dei lettori: Panoramica di UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/c92caf0f951230470e6992d08d3e1f03.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Questa panoramica continua <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/449282\/\">il ciclo sul backup<\/a><\/noindex>, scritta su richiesta dei lettori, tratter\u00e0 di UrBackup, BackupPC e AMANDA.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2 id=\"obzor-urbackup\">Panoramica di UrBackup.<\/h2>\n<p><\/p>\n<p>Su richiesta del partecipante <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/vgusev2007\/\" class=\"user_link\">VGusev2007<\/a><\/noindex> aggiungo una panoramica di UrBackup, un sistema client-server per il backup. Consente di creare backup completi e incrementali, \u00e8 in grado di gestire snapshot delle unit\u00e0 (solo Win?), e pu\u00f2 anche effettuare backup di file. Il client pu\u00f2 trovarsi sia nella stessa rete del server che connettersi tramite Internet. \u00c8 prevista la tracciabilit\u00e0 delle modifiche, che consente di trovare rapidamente le differenze tra i backup. \u00c8 anche supportata la deduplicazione dello storage lato server, permettendo di risparmiare spazio occupato. Le connessioni di rete sono criptate e c'\u00e8 anche un'interfaccia web per gestire il server. Vediamo di cosa \u00e8 capace:<\/p>\n<p>\n<b class=\"spoiler_title\">In modalit\u00e0 di creazione di un backup completo si sono ottenuti i seguenti risultati:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Backup, parte su richiesta dei lettori: Panoramica di UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/e39a7ec9c0ccf93c3355368a209cd8c6.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Tempo di lavoro:<\/p>\n<p><\/p>\n<p>Primo avvio<br \/>\nSecondo avvio<br \/>\nTerzo avvio<\/p>\n<p>Primo test<br \/>\n8m20s<br \/>\n8m19s<br \/>\n8m24s<\/p>\n<p>Secondo test<br \/>\n8m30s<br \/>\n8m34s<br \/>\n8m20s<\/p>\n<p>Terzo test<br \/>\n8m10s<br \/>\n8m14s<br \/>\n8m12s<\/p>\n<p><\/p>\n<p>In modalit\u00e0 di creazione di backup incrementali:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Backup, parte su richiesta dei lettori: Panoramica di UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/8458039f5061145323836bfade72d273.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Tempo di lavoro:<\/p>\n<p><\/p>\n<p>Primo avvio<br \/>\nSecondo avvio<br \/>\nTerzo avvio<\/p>\n<p>Primo test<br \/>\n8m10s<br \/>\n8m10s<br \/>\n8m12s<\/p>\n<p>Secondo test<br \/>\n3m50s<br \/>\n4m12s<br \/>\n3m34s<\/p>\n<p>Terzo test<br \/>\n2m50s<br \/>\n2m35s<br \/>\n2m38s<\/p>\n<p><\/p>\n<p>La dimensione del repository \u00e8 stata di circa 14 GB in entrambi i casi, il che indica una deduplicazione attiva lato server. Va anche notato il disallineamento nel tempo di creazione del backup tra server e client, un aspetto chiaramente visibile dai grafici e un gradito bonus, poich\u00e9 l'interfaccia web mostra il tempo di esecuzione del processo di backup sul server senza considerare<br \/>\nlo stato del client. In generale, i grafici per il backup completo e incrementale sono indistinguibili. Probabilmente, la differenza risiede solo nel modo in cui viene gestito lato server. \u00c8 stato inoltre positivo vedere un basso utilizzo della CPU sul sistema sottoposto a backup.<\/p>\n<p><\/p>\n<h2 id=\"obzor-backuppc\">Panoramica di BackupPC<\/h2>\n<p><\/p>\n<p>Su richiesta del partecipante <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/vanzhiganov\/\" class=\"user_link\">vanzhiganov<\/a><\/noindex> Aggiungo una recensione di BackupPC. Questo software viene installato su un server di archiviazione per backup, \u00e8 scritto in Perl e funziona con vari strumenti di backup, principalmente rsync e tar. Utilizza ssh e smb come protocolli di trasporto e offre un'interfaccia web basata su cgi (che si installa su apache). Nell'interfaccia web c'\u00e8 un ampio elenco di configurazioni. Una delle caratteristiche distintive \u00e8 la possibilit\u00e0 di impostare un intervallo minimo tra i backup, cos\u00ec come un periodo durante il quale non verranno eseguiti. Durante la selezione del filesystem per il server di backup, \u00e8 importante tenere conto della compatibilit\u00e0 con i link simbolici. Pertanto, non potrai suddividere il filesystem di archiviazione in punti di montaggio. In generale, un'esperienza piuttosto piacevole; vediamo cosa \u00e8 in grado di fare questo software:<\/p>\n<p>\n<b class=\"spoiler_title\">In modalit\u00e0 creazione di backup completi con rsync, i risultati ottenuti sono stati:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Backup, parte su richiesta dei lettori: Panoramica di UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/95b0b338962a2c379c83f3a9b7ee3531.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Primo avvio<br \/>\nSecondo avvio<br \/>\nTerzo avvio<\/p>\n<p>Primo test<br \/>\n12m25s<br \/>\n12m14s<br \/>\n12m27s<\/p>\n<p>Secondo test<br \/>\n7m41s<br \/>\n7m44s<br \/>\n7m35s<\/p>\n<p>Terzo test<br \/>\n10m11s<br \/>\n10m0s<br \/>\n9m54s<\/p>\n<p><\/p>\n<p>Se utilizzi i backup completi e tar:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Backup, parte su richiesta dei lettori: Panoramica di UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/f82dc313f45878b723bc4f50a8f2eb2d.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Primo avvio<br \/>\nSecondo avvio<br \/>\nTerzo avvio<\/p>\n<p>Primo test<br \/>\n12m41s<br \/>\n12m25s<br \/>\n12m45s<\/p>\n<p>Secondo test<br \/>\n12m35s<br \/>\n12m45s<br \/>\n12m14s<\/p>\n<p>Terzo test<br \/>\n12m43s<br \/>\n12m25s<br \/>\n12m5s<\/p>\n<p><\/p>\n<p>In modalit\u00e0 di creazione di backup incrementali, \u00e8 stato necessario abbandonare tar, poich\u00e9 con tali impostazioni non venivano creati i backup.<\/p>\n<p><\/p>\n<p>I risultati della creazione di backup incrementali utilizzando rsync sono i seguenti:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Backup, parte su richiesta dei lettori: Panoramica di UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/032f5a4fd26544c411a2176dd6d9f8f6.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Primo avvio<br \/>\nSecondo avvio<br \/>\nTerzo avvio<\/p>\n<p>Primo test<br \/>\n11m55s<br \/>\n11m50s<br \/>\n12m25s<\/p>\n<p>Secondo test<br \/>\n2m42s<br \/>\n2m50s<br \/>\n2m30s<\/p>\n<p>Terzo test<br \/>\n6m00s<br \/>\n5m35s<br \/>\n5m30s<\/p>\n<p><\/p>\n<p>Nel complesso, si nota un leggero vantaggio in termini di velocit\u00e0 per rsync, che lavora anche pi\u00f9 efficientemente con la rete. Questo potrebbe essere in parte compensato da un minore utilizzo della CPU con tar come programma di backup. Un altro vantaggio di rsync \u00e8 la gestione delle copie incrementali. La dimensione del repository nella creazione di backup completi \u00e8 la stessa, pari a 16 GB; nel caso di copie incrementali, \u00e8 di 14 GB per ogni passaggio, il che significa deduplicazione funzionante.<\/p>\n<p><\/p>\n<h2 id=\"obzor-amanda\">Panoramica di AMANDA<\/h2>\n<p><\/p>\n<p>Su richiesta del partecipante <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/oller\/\" class=\"user_link\">oller<\/a><\/noindex> aggiungo test AMANDA,<\/p>\n<p>\n<b class=\"spoiler_title\">I risultati del test con tar come archiviatore e compressione attivata sono i seguenti:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Backup, parte su richiesta dei lettori: Panoramica di UrBackup, BackupPC, AMANDA\" src=\"\/wp-content\/uploads\/2019\/09\/259820d08b21444dd61b30cb3bdeb38f.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Primo avvio<br \/>\nSecondo avvio<br \/>\nTerzo avvio<\/p>\n<p>Primo test<br \/>\n9m5s<br \/>\n8m59s<br \/>\n9m6s<\/p>\n<p>Secondo test<br \/>\n0m5s<br \/>\n0m5s<br \/>\n0m5s<\/p>\n<p>Terzo test<br \/>\n2m40s<br \/>\n2m47s<br \/>\n2m45s<\/p>\n<p><\/p>\n<p>Il programma utilizza completamente un core del processore, ma a causa dei limiti in IOPS del disco sul server di archiviazione dei backup, non riesce a raggiungere elevate velocit\u00e0 di trasferimento dati. In generale, la configurazione ha comportato un po' pi\u00f9 di problemi rispetto ad altri partecipanti, poich\u00e9 l'autore del programma non utilizza SSH come mezzo di trasporto, ma implementa uno schema simile con le chiavi, creando e mantenendo una vera CA. \u00c8 possibile limitare ampiamente il client e il server di backup: ad esempio, se non possono fidarsi completamente l'uno dell'altro, \u00e8 possibile, come opzione, vietare l'inizio del ripristino del backup dal lato server, impostando il valore della variabile corrispondente a zero nel file di configurazione. C'\u00e8 la possibilit\u00e0 di collegare un'interfaccia web per la gestione, ma in generale il sistema configurato pu\u00f2 essere completamente automatizzato con piccoli script in Bash (o SCM, ad esempio ansible). Esiste un sistema di configurazione dello storage abbastanza non triviale, che sembra essere legato al supporto di un ampio elenco di diversi dispositivi di archiviazione (nastro LTO, dischi rigidi, ecc.). Vale la pena notare che, tra tutti i programmi esaminati in questo articolo, AMANDA \u00e8 l'unica che \u00e8 riuscita a rilevare la rinomina delle directory. La dimensione del repository in un'unica esecuzione \u00e8 stata di 13 GB.<\/p>\n<p><\/p>\n<p>Annuncio<\/p>\n<p><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/449282\/\">Backup, parte 1: Perch\u00e9 \u00e8 importante fare backup, panoramica dei metodi e tecnologie<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/452630\/\">Backup, parte 2: Panoramica e test degli strumenti di backup basati su rsync<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/454420\/\">Backup, parte 3: Panoramica e test di duplicity, duplicati<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/454734\/\">Backup, parte 4: Panoramica e test di zbackup, restic, borgbackup<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/459550\/\">Backup, parte 5: Test di bacula e veeam backup per linux<\/a><\/noindex><br \/>\nBackup, parte 6: Confronto degli strumenti di backup<br \/>\nBackup, parte 7: Conclusioni<\/p>\n<p>Fonte: <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 4.9.10 - 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