> In reading the ZFS Best practices, I'm curious if this statement is
> still true about 80% utilization.
It is, and in my experience, it doesn't matter much if you have a full pool and 
add another VDEV, the existing VDEVs will be full still, and performance will 
be slow. For this reason, new systems are setup with more, smaller drives to 
help upgrade later by replacing the drives with larger ones. Hopefully, we 
might see block pointer rewrite some time in the future to help rebalance pools.

Vennlige hilsener / Best regards

roy
--
Roy Sigurd Karlsbakk
(+47) 97542685
r...@karlsbakk.net
http://blogg.karlsbakk.net/
--
I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er 
et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av 
idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og 
relevante synonymer på norsk.
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