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Can't comment on the minimum; I guessed that was the minimum you
*could* create but obviously not usable for a load source disk.

The comment regarding the disk configuration makes sense; if you are
seeing high disk activity on the hosting partition before creating a
guest then poor performance on the guest would be virtually assured.

In my case the customer wanted 1.4 terabytes so I created 20 X 70Gb
disk and spread them across two virtual scsi connections (8 each). So
far it looks pretty good. I might have considered carving out a second
asp with 10 X 140 disk on the host if the ASP recommendation had been
in the mix, but in terms of performance it looks OK so far.


On Tue, May 22, 2012 at 7:41 AM, <rob@xxxxxxxxx> wrote:
The first link
http://www-03.ibm.com/systems/resources/systems_i_Virtualization_Open_Storage.pdf
mentions that the minimum size is 160MB (NOT GB).  Does load source size
not matter?  Maximum number of storage spaces is 16 (but talks about how
to work around that).  Also mentions the rule of thumb of 6 to 8 storage
spaces per lpar.
But in italics "the best way to ensure good disk performance in the client
LPAR is to create a well-performing disk configuration in the host LPAR"


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to:  2505 Dekko Drive
         Garrett, IN 46738
Ship to:  Dock 108
         6928N 400E
         Kendallville, IN 46755
http://www.dekko.com



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