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Small utility in Go to fetch back zfs snapshots from a remote server via SSH and zfs send/recv

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piotaixr/zfs-snapback

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zfs-snapback

Small utility in Go to synchronize snapshots recursively from a source to a destination. Both source and destination can be a remote or local file system.

Usage

Note that

  • the given FS should already be present on the destination.
  • You need SSH to be set up either via ssh agent or keyfile, user/password will not work

Flags:

  • --recursive or -r: synchronize file systems recursively and create missing file systems on the destination.
  • --force or -f: revert file systems to the most recent snapshot before receiving the data (zfs recv -F).
  • --progress or -p: display a progress bar for each snapshot transfer.
  • --compression or -c: set the compression for SSH (yes/no).

Examples:

zfs-snapback [email protected]:remote/zfs/fs/path local/fs/path
zfs-snapback one/local/fs another/local/fs
zfs-snapback local/fs/path [email protected]:remote/zfs/fs/path
zfs-snapback [email protected]:remote/zfs/fs/path [email protected]:zpool/backups/source.tld

What is not done (and will maybe come in the future)

  • Testing
  • Complete error handling
  • Use zfs send -I instead of multiple calls to zfs send -i

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Small utility in Go to fetch back zfs snapshots from a remote server via SSH and zfs send/recv

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