[OmniOS-discuss] Advanced format disks – 512E

[Richard Elling]

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
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--

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



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