# [OmniOS-discuss] Advanced format disks – 512E

Richard Elling richard.elling at richardelling.com
Wed Aug 21 23:37:59 UTC 2013

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    On Aug 21, 2013, at 4:13 PM, Michael Rasmussen <mir at miras.org> wrote:

    > On Tue, 20 Aug 2013 15:58:01 -0700
    > Basil Crow <basil.crow at delphix.com> wrote:
    >
    >> See this page for more information about 4K sectors and ZFS:
    >>
    >> http://wiki.illumos.org/display/illumos/ZFS+and+Advanced+Format+disks
    > Have tried everything from this wiki but no matter what I do I am not
    > able to have it aligned 4k.
    >
    > filebench given this stats (a mirrored vdev):
    > 150541 ops, 2492.698 ops/s, (226/453 r/w),  59.4mb/s,    898us cpu/op,
    > 71.1ms latency

    Is this a root disk? Or a non-root disk with EFI label?
     -- richard

    >
    > Another mirrored vdev consisting of 512B disks gives this stats:
    > 1684377 ops, 27581.072 ops/s, (2508/5016 r/w), 668.3mb/s,
    > 249us cpu/op, 	 3.9ms latency
    >
    > Both vdevs are connect via an LSI 1068E HBA
    >
    > --
    > Hilsen/Regards
    > Michael Rasmussen
    >
    > Get my public GnuPG keys:
    > michael <at> rasmussen <dot> cc
    > http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xD3C9A00E
    > mir <at> datanom <dot> net
    > http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE501F51C
    > mir <at> miras <dot> org
    > http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE3E80917
    > --------------------------------------------------------------
    > "I'd love to go out with you, but the man on television told me to stay
    > tuned."
    > _______________________________________________
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    > OmniOS-discuss at lists.omniti.com
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    --

    Richard.Elling at RichardElling.com
    +1-760-896-4422

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