They took the zfsonlinux-code into OpenZFS, so OpenZFS is based on the zfsonLinux features and NOT the illumos (solaris) one: https://openzfs.org/wiki/Main_Pag

They took the zfsonlinux-code into OpenZFS, so OpenZFS is based on the zfsonLinux features and NOT the illumos (solaris) one: https://openzfs.org/wiki/Main_Page https://openzfs.org/wiki/Main_Page >The OpenZFS project brings together developers from the Linux, FreeBSD, illumos, MacOS, and Windows platforms. OpenZFS is supported by a wide range of companies.