rob@xxxxxxxxx wrote on Mon, 03 Aug
2015 18:59:32 GMT:

i_perfmgmt_pcrm_nov2012.pdf IBM Power Systems
Performance Capabilities Reference
IBM i operating system 7.1
November 2012

6.5.3 Virtual SCSI Bandwidth-Network Storage Description
(NWSD) Scaling

Excuse me, but the chapter is titled ***VIOS***. I do not know
how NWSDs and NWSSTGs relate to VIOS as it cannot create these

... In order to achieve better performance, 1 network storage
space should be used for every 2-4
disk drives in the ASP and each network storage space should
be attached to its own network storage

This is for AIX as the client LPAR. Since when does IBM i do
I/Os like AIX?

Has this changed much since then? IBM labs sometimes get the
cast off's and I wonder what test equipment they were using
between then and our Power 8's with IBM i 7.2.

As Larry points out, yes lots has changed.

In addition, I'm a pack rat and this same chapter has been
around with the same words since the April 2010 V7R1 (TR0)
version. However, I could've sworn earlier versions of the pub
contained information about serving storage to AIX. Just don't
have time to dig through all the PDFs to find it.

This thread ...


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