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Recent content by slowfox

  1. slowfox

    ZFS and 512n vs 512e vs 4kN drives

    This is not exactly what you said as we can see here: And this is just not the case as 4Kn (advanced 4Kn format) can only work with ashift=12 as they don't have emulation for 512bytes as opposed to the 512e (advanced format drives) which have 4K physical sectors, report 512b logical sectors...
  2. slowfox

    ZFS and 512n vs 512e vs 4kN drives

    Well that's a pretty good answer to my question :) Very much appreciated Gea for laying it down that way! I was seeing things the same, I guess I just wanted another confirmation that ZFS would utilize 4k in 512e drives ;) Thank you!
  3. slowfox

    ZFS and 512n vs 512e vs 4kN drives

    Why would a 4k native drive be a lower performance? I am just wondering, there are 8 times less operations involved in finding a sector. And there is less overhead from gaps between sectors. That generally means that heads are much faster in acquiring these sectors. Given that how would you...
  4. slowfox

    ZFS and 512n vs 512e vs 4kN drives

    I understand the differences between different raid setups with ZFS and I've been using ZFS for many years already. I am also aware of the replacement limitations in vdevs created with ashift=9. The real questions here are: 1) Is there any difference between 512e and 4kn from ZFS point of view...
  5. slowfox

    ZFS and 512n vs 512e vs 4kN drives

    Guys, I will try to keep it very short as I tend to get into unnecessary details. My ultimate goal is to choose between using 512n, 512e, or pure 4kN drives for a new ZFS storage appliance that will either consist of eight 4TB drives in four mirror VDEVs, or eventually Raidz2 in order to...
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