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method-btrfs should use cp with reflinks, not btrfs snapshots #28

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ceremcem opened this issue Oct 2, 2018 · 0 comments
Open

method-btrfs should use cp with reflinks, not btrfs snapshots #28

ceremcem opened this issue Oct 2, 2018 · 0 comments
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enhancement

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@ceremcem
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ceremcem commented Oct 2, 2018

Using BTRFS snapshots in method-btrfs mode creates btrfs snapshots in the backup directory. This prevents whole operating system backups containing those btrfs snapshots, which would cause requiring additional attention to those who wants to use dcs-tools to keep multiple backups of target systems and use btrfs snapshot to keep whole operating system backups.

Proposal

Use cp --reflink=always in place of btrfs sub snap. This will be still

  1. Fast enough
  2. Space efficient
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