As a point of reference, there’s a newer ZFS feature that will allow you to expand RAIDZ pools without creating new vdevs. Note, however, it doesn’t let you add or remove parity to change the RAIDZ level.
It’s rather new and will take some time for implementation into NAS platforms like TrueNAS.
As a point of reference, there’s a newer ZFS feature that will allow you to expand RAIDZ pools without creating new vdevs. Note, however, it doesn’t let you add or remove parity to change the RAIDZ level.
It’s rather new and will take some time for implementation into NAS platforms like TrueNAS.
https://github.com/openzfs/zfs/pull/15022