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Collection of scripts used for data backup and snapshots, i.e. for btrfs and lizardfs.
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backup/lizardfs/README.md

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LizardFS Snapshots And Backups

Creates a lizardfs snapshot of all sources to a destination. If --del is specified, only the given number of snapshots is kept, older snapshots are deleted.

To create regular snapshots on a daily base, just run:

sudo cp lizardfs-snapshots.sh /etc/cron.daily/lizardfs-snapshots

If lizardfs-snapshots is run from a cron.daily, cron.hourly, cron. monthly or cron.weekly directory, the periodity is automatically appended to the snapshot name, and the expiry is set meaningfull. Otherwise the name is manual and nothing is expired by default.

You can create a configuration file, specifiying some defaults, e.g. /etc/lizardfs-snapshots.conf:

SOURCES=( /var/volumes/configs /var/volumes/volumes )
DESTINATION=/var/volumes/backup/snapshots
MONTHLY_DEL=13

Try: lizardfs-snapshots.sh --help