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linux:backup:overview [2016/05/16 14:15] – niziak | linux:backup:overview [2021/01/19 09:34] (current) – niziak | ||
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- | ====== | + | ====== |
===== rsync ===== | ===== rsync ===== | ||
+ | * can be used over own proto without encryption (ssh) overhead | ||
+ | * no build-in incremental snapshots support | ||
+ | * incremental backups of modified files possible (using --backup and --backup-dir params) | ||
+ | |||
+ | ==== delete files ==== | ||
+ | <code bash> | ||
+ | rsync --delete-missing-args --backup --files-from list_file_to_delete.txt src/ 192.168.1.1:: | ||
+ | </ | ||
+ | |||
+ | |||
+ | ===== rsnapshot ===== | ||
+ | * like rsync | ||
+ | * incremental snapshots support. Each snapshoot looks like full source tree. Space is not wasted because hardlinks are used. | ||
+ | |||
===== rdiff-backup ===== | ===== rdiff-backup ===== | ||
- | * no archives created - mirrored | + | * Mirrored |
+ | * ACL and extended attributes support | ||
+ | * Update is slow | ||
* special directory '' | * special directory '' | ||
* [[http:// | * [[http:// | ||
+ | * < | ||
===== duplicity ===== | ===== duplicity ===== | ||
- | * encrypted/ | + | * No direct access to backups. Backups are stored in PGP encrypted/ |
- | * restarting | + | * Restarting |
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* front end to duplicity | * front end to duplicity | ||
+ | <code bash> | ||
+ | duply my-backup backup | ||
+ | duply my-backup cleanup --extra-clean --force | ||
+ | </ | ||
+ | |||
+ | ====== Performance ====== | ||
+ | Backups to NSA310 over fast ethernet. Hard disc encrypted with software ARM-optimized AES. Average network copy performance 6-8MB/s. | ||
+ | About 22GB of small files. | ||
+ | |||
+ | ^ proto ^ tool ^ initial copy ^ update no changes | ||
+ | | rsync | rsync | | 22s | 3m25 | 0m34 | | ||
+ | | ssh | rdiff-backup | ||
+ | | rsync | rsnapshot | ||