I don't think deduplication can do much of a job on media files which are heavily compressed anyhow. As for Windows, that's a new one! When I think ZFS I think

I don't think deduplication can do much of a job on media files which are heavily compressed anyhow. As for Windows, that's a new one! When I think ZFS I think NAS although I did briefly had it on a laptop with FreeBSD I think.