From Fedora Project Wiki

Description

Migrating a filesystem from Ext4 (or other) to btrfs. NOTE: As of writing, btrfs does not have a working fsck.


How to test

  1. Create an ext4 partition
  2. Dump some data on it (large and small files)
  3. yum install btrfs-progs
  4. unmount the ext4 filesystem to be migrated
  5. Run btrfs-convert on the partition
  6. Mount partition
  7. Verify if files are still a) present and b) sane.
  8. Verify if a backup snapshot is created (TODO: Verify that this is default behavior)


Expected Results

  1. btrfs-progs install successfully
  2. btrfs-convert runs successfully
  3. Data should be present and sane
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