FAQ for unRAID v6
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Index to common questions
Some are from the wiki FAQ, so
Can I use a cache, log, special, spare and/or dedup vdev with my zfs pool?
At this time (Unraid v6.12) they cannot be added to a pool using the GUI, but you can add them manually and have Unraid import the pool, a few notes:
currently zfs must be on partition #1, for better future compatibility (though not guaranteed) recommend partitioning the devices first with UD.
main pool should be created with Unraid, then add the extra vdev(s) using the CLI and re-import
