1. Purpose
- Internal Disk - OpenZFS/ext4/NTFS ? for all OS (Win,Lin,mac)
- External Disk - Is exFAT OK ? Else OpenZFS/ext4 ? for all OS
- Backup Disk - guy says exFAT is bad for backup as it corrupts. so ***ext4/***OpenZFS ?
- SOHO Server/NAS - ZFS
2. OpenZFS vs BtrFS?
3.1 Is ZFS on Win/mac mature enough ?
3.2 If not Is Ext4 on Win/mac good ?
- https://github.com/bobranten/Ext4Fsd
- https://github.com/macfuse/macfuse , https://github.com/gerard/ext4fuse (no update)


ask yourself how oftend do you need the features that zfs or btrfs brings over ext3/4 or vfat?
that’s how i decided to use ntfs for shared windows/linux volumes; zfs & btrfs was awesome, but i realized that i needed their features less often in my lifetime than i have fingers on my hand.