It's not unusable, I use it on a spare computer for fun, cuz I want tiering of SSD + HDDs. And this doesn't mean development has stopped, just not done in the kernel.

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johnisgood 2 days ago | parent [-]

True, I did not mean to say usable, I meant to say that "officially supported", but I will give it a go with a custom built kernel sooner or later.

For how long have you been using it? Any issues? Any favorite feature(s) in particular?

	▲	ThatPlayer a day ago \| parent [-]
		I've been using it about a year or so. Like I said, the 'killer feature' for me is tiering. I'm not using it on my main computer, but a spare parts computer with whatever storage I have laying around thrown into it, so being able to combine a 3TB HDD with a 1/2 TB SSD. All the storage stays usable, and I get better performance. Not perfect though. Performance at times doesn't seem better than just SSD, though I didn't really test that and I'm not sure if it's just hitting the HDD at those times. And there was a kernel version that didn't boot, though I'm staying on the bleeding edge with Arch Linux.