Barry Whyte is a 'Master Inventor' working in the Systems & Technology Group based in IBM Hursley, UK. Barry primarly works on the IBM SAN Volume Controller and Storwize family of virtual disk systems. Barry graduated from The University of Glasgow in 1996 with a B.Sc (Hons) in Computing Science. In his 18 years at IBM he has also worked on the successful Serial Storage Architecture (SSA) and the IBM DS8000 range. Barry joined the SVC development team soon after its inception and has held many positions before taking on his current role as performance architect. Outside of work, Barry enjoys playing golf and all things to do with Rotary Engines. All posts on this blog are (c) Copyright International Business Machines 2014 - reproduction without prior approval is prohibited.
I promised a bit more detail on the very limited sample set used by EMC's latest blogger Dr Kartik , in response to his analysis that SPC-1 IOPs is directly proportional to the number of drives used by the system under test. So I cannot deny the fact that : larger number of drives = larger IOPs... [Continue Reading]
One of the key benefits of the Storwize V7000 product is its built in Virtiualization capabilites. Or as some vendors like to call it Federation?
Its been almost 9 years since we first released SAN Volume Controller (SVC) and in that time, its been through 6 hardware iterations, and 16 major... [Continue Reading]
The SPC contacted SUN regarding violations of the SPC 'fair-use' terms. To that end, John and Valdis have retracted both the newsletter comments and blog posts that claimed 'faster than SVC' therefore the links in this post no longer show their original content. I have left this post in place for... [Continue Reading]