jberkus added a new comment to an issue you are following:
So, to summarize:
1. The main reason given for keeping "two partitions" by default with
docker-storage-setup is so that users can easily switch back to devicemapper if there are
critical issues with OverlayFS.
2. However, there is currently no tool which actually allows users to switch back to
devicemapper without partitioning.
3. Therefore, the reason given for maintaining two partitions as the default is invalid.
4. If that reason is invalid, we should again consider making "one big
partition" the default for Overlay2 installations.
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