ZFS – Downgrade Commands for Centos:

To do the downgrade/re-install dance:

ZFS tuning for SAS3 Storage Tank

ZFS tuning for SAS3 ALL SSD + nVME Storage Tank

Some more good advice:

SvennD

ZFS-Discuss

ZFS – SNMP Extend Commands:

LibreNMS:
https://community.librenms.org/t/zfs-support/1839

https://docs.librenms.org/#Extensions/Applications/#zfs

ZFS – Single Path

ZFS – Multi Path