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Re: 70GB load source and 5 other drives



fixed

Sue, i meant presenting LUNs from a storage (say a DS5020). Those LUNs are
all from the same array so any IO to any of those disks really impacts the
array as a whole, in that case it should work the same as creating the
hosted disks on the host's ASP, right?



On Sat, Apr 26, 2014 at 3:36 PM, Sue Baker <sue.baker@xxxxxxxxxx> wrote:

=?UTF-8?Q?Roberto_Jos=C3=A9_Etcheverry_Romero?=
<yggdrasil.raiker@xxxxxxxxx> wrote on Sat, 26 Apr 2014 05:27:15
GMT:

Sue, would that "the client load source would be busier, but
it should be spread on the host" statement apply to luns
presented thru VIOS? i believe it should, but i'd rather
ask... Always good to know best practices


If you follow the directions to get best VIOS hosted storage
using the wiki page

https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/IBM%20i%20Technology%20Updates/page/SAS%20Adapter%20Performance%20Boost%20with%20VIOS

the VSCSI drives are not spread across multiple units.
Therefore, it will matter if you have different sized
VSCSI devices.

--
Sue
IBM Americas Advanced Technical Sales Support (ATS) Power Systems
Rochester, MN
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