Carson Gaspar wrote:
Lori Alt wrote:
A root pool is composed of one top-level vdev, which can be a mirror
(i.e. 2 or more disks). A raidz vdev is not supported for the root
pool yet. It might be supported in the future, but the timeframe is
unknown at this time.
The original poster was asking about a zpool of more than 1 mirrored
pair (4 disks making up 2 mirrored pairs, for example). I don't know
if that changes the answer (doubtful), but raidz/raidz2 was not being
discussed.
"one top-level vdev" means that a root pool can be composed of no more
than one mirrored pair (or mirrored triple, or whatever). That might
change in the future, but there is no projected date for relaxing that
constraint.
Lori
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