Is anyone using 03X with usable performance, and if so, how?

All your general support questions for OpenZFS on OS X.

Re: Is anyone using 03X with usable performance, and if so,

Postby nodarkthings » Mon Feb 03, 2020 2:39 am

Quite strange... I've always had throughputs ranging from 98 Mb/s to 12 Mb/s, never lower — depending on what I'm doing (real cases measurements, not benchmarks). I consider 40 to 50 Mb/s to be the average. And I've got a 7 year old computer that wasn't the state of the art (i3 3GHz and my pools are on a 1Tb SATA3 rotating HD).
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Re: Is anyone using 03X with usable performance, and if so,

Postby mohak » Tue Feb 25, 2020 11:46 am

DanielSmedegaardBuus wrote:I'm wondering now, reading about your experiences (does every one of you use SATA storage?), if there's some issue with 03X and USB specifically.


I have been using ZFS formatted USB drives on my mac for over 2 years now with great performance. I see almost the same read speeds with O3X as with accessing the raw sectors on the drive with dd (~100 MBps for 2.5" drives and ~180MBps for 3.5" drives).

P.S.: I did initially have weird performance issue but that was because those drives were encrypted with Truecrypt (this is before encryption was baked in to ZFS), and I was mounting the truecrypt volume using /dev/diskX instead of /dev/rdiskX.
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