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this post was submitted on 03 Nov 2024
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If op is considering ZFS: Do. Not. Use. RAIDz. (learned the hard way)
Why wouldn't you? It is the most flexible out if all of them.
In my experience, using spinning disks, the performance is very poor, and times for scrub and resilver are very long. For example, in a raidz1 with 4x8TB, scrubbing takes 2-3 weeks and resilvering takes almost 2 months. I must also add very poor performance in degraded state. This is a very old post, but things are still the same.
I've not had that experience
You must have shingled/SMR drives. They do not work well with any type of raid array.
My array of 7x12TB drives resilvers in a few hours, as I made sure I got CMR drives
That makes total sense. Thanks!