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Re:Red Hat Enterprise Linux 8 Beta by langdon on Thursday November 15, 2018 @08:24PM (#18465371)
Really not an expert here but Red Hat did acquire and open source VDO from Permabit which has similar functionality AIUI.
Re:Red Hat Enterprise Linux 8 Beta by Conan_Kudo on Tuesday November 20, 2018 @12:53AM (#18492052)
I use subvolumes, snapshots, and send/recv functionality for cheap replication of data. Sometimes even on RAIDed disks!

There are only two file systems with that feature set today: Btrfs and ZFS. I personally prefer Btrfs because it's way more flexible and shipped with the Linux kernel.

Re:Red Hat Enterprise Linux 8 Beta by ofrzeta on Friday November 16, 2018 @02:44PM (#18471414)
As far as I know VDO only provides compression and deduplication. So no snapshots like in Btrfs and ZFS, although you can use LVM snapshots. Also no RAID features.