There seems to be an issue with using SVN on a NTFS deduped volume.
To save space on my SSD for some huge development checkouts (> 5 GB each) i enabled data deduplication on the volume. This seems to cause SVN all kinds of grief and madness.
The usual symptom is an E270001: Symlinks are not supported on this platform
error which basically dooms the checkout. You cannot commit, merge or do anything on it anymore. Basically svn + deduped NTFS seems utterly broken.
There was some mail thread from 2012 at (Subversion Mailing List) which talked about a similar problem, just this time with special file status.
I assume the Symlinks not supported
issue is basically the same.
Is there any way to get SVN work properly with deduplicated NTFS volumes (other than hacking up the appropriate support for APR myself APR Issue 47630?).