I started to use ZFS (on Linux) a few years ago and it went smoothly. My only surprise was volblocksize default which is pretty bad for most RAIDZ configuratio

I started to use ZFS (on Linux) a few years ago and it went smoothly. My only surprise was volblocksize default which is pretty bad for most RAIDZ configuration: you need to increase it to avoid loosing 50% of raw disk space... Articles touching this topic : https://jro.io/nas/#overhead https://jro.io/nas/#overhead https://openzfs.github.io/openzfs-docs/Basic%20Concepts/RAIDZ.html https://openzfs.github.io/openzfs-docs/Basic%20Concepts/RAID... https://www.delphix.com/blog/zfs-raidz-stripe-width-or-how-i-learned-stop-worrying-and-love-raidz https://www.delphix.com/blog/zfs-raidz-stripe-width-or-how-i... And you end up on one of the ZFS "spreadsheet" out there: ZFS overhead calc.xlsx https://docs.google.com/spreadsheets/d/1tf4qx1aMJp8Lo_R6gpT689wTjHv6CGVElrPqTA0w_ZY https://docs.google.com/spreadsheets/d/1tf4qx1aMJp8Lo_R6gpT6... RAID-Z parity cost https://docs.google.com/spreadsheets/d/1pdu_X2tR4ztF6_HLtJ-Dc4ZcwUdt6fkCjpnXxAEFlyA https://docs.google.com/spreadsheets/d/1pdu_X2tR4ztF6_HLtJ-D...