As far as I know: no, it still is not recommended, both because of the write hole issue and because parity RAID is horribly resource-intensive in case of a rebuild. I had pretty much the same question a while ago: see here. That being said, there are plenty of folks who are running RAID5 or 6, and as long as your array hums along, it hums along, so to speak. It’s a matter of deciding what matters more to you.
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