gentoo linux separated root on zfs layout

solstorage/os/gentoo_base                    1.8T  3.1G  1.8T   1% /mnt/gentoo
solstorage/os/gentoo_base/tmp                1.8T  128K  1.8T   1% /mnt/gentoo/tmp
solstorage/os/gentoo_base/usr/src            1.8T  410M  1.8T   1% /mnt/gentoo/usr/src
solstorage/os/gentoo_base/var/cache/binpkgs  1.8T  1.2G  1.8T   1% /mnt/gentoo/var/cache/binpkgs
10.42.23.10:/mnt/diskpool1/distfiles          24T   40G   24T   1% /mnt/gentoo/var/cache/distfiles
solstorage/os/gentoo_base/var/log            1.8T  256K  1.8T   1% /mnt/gentoo/var/log
solstorage/os/gentoo_base/var/lib            1.8T  256K  1.8T   1% /mnt/gentoo/var/lib
solstorage/os/gentoo_base/var/tmp            1.8T   71M  1.8T   1% /mnt/gentoo/var/tmp
solstorage/home                              1.8T  128K  1.8T   1% /mnt/gentoo/home
/dev/nvme0n1p1                               4.0G  4.0K  4.0G   1% /mnt/gentoo/efi