/dev/rdsk/c0t0d0s2 on Nostr: absolutely you can - zfs create -V generates a “volume” dataset which appears as ...

absolutely you can - zfs create -V generates a “volume” dataset which appears as a block device that you can put whatever you want on top. It’s been there since day dot, mainly to appease Oracle DBAs who insist on using raw block devices instead of cooked files. Right now I’ve got NTFS on a bunch of ZFS volume datasets, that I created by dd’ing off an existing physical disk and am sharing out as an iSCSI target