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 see that EMC have finally pushed yet another technology family on its customers. Extreme I/O arrays. So now you have to decide which one of these things do I want.
OK, let me buy an all flash array, so how will that fit with my VMax and VNX estate - oh it wont -
... [Continue Reading]
I guess a few folks will comment that I'm raising my head again at announcement time, and true, but thats part of the problem on working on new and exciting stuff, I can't talk about it until days like today where we have announced two major new engines in the SVC and Storwize family. I even... [Continue Reading]
I do have a good excuse this time for the short hiatus in posts, as things have been a bit more crazy than normal, but to be expected when you up and move the whole family, literally to the opposite side of the globe!
My wife was born in New Zealand and spent much of her youth there, with most... [Continue Reading]
One of the internal, and IBM Business Partner mailing groups I subscribe and participate in ( Hi to all on Diskcore ) recently debated :
Want to know whether IBM V3700 are true symmetric active active controllers.
A response was made, but also asked :
Can you define... [Continue Reading]
For the last few years we have often talked about 'flexible hardware' options for SVC. While we have offered the internal SAS HBA and SSD attachment within the nodes, and a 10Gbit iSCSI/FCoE capable upgrade, we've never quite made it to true flexible hardware, with respect to Fibre... [Continue Reading]
Hi all, Happy New Year (are we almost in February already!)
This is just a quick heads up, the next UK based SVC, Storwize family User Group meeting is planned for the 8th of May 2013. To register, see here :... [Continue Reading]
With half term week here in the UK and preparations for next months travels, I almost forgot that yesterday we announced the contents of version 7.4.0 of the SVC and Storwize software that will be GA'd on 28th November.
The full RFA can be viewed here , but here's a quick summary.... [Continue Reading]
The port to local node communication is used for mirroring write cache as well as metadata exchange between nodes and is critical to the stable operation of the cluster. The DH8 nodes with their 8-port and 12-port configurations provide an opportunity to isolate the port to local node traffic from... [Continue Reading]
I know, I promised this some months ago, and I've been enjoying my spare time too much, and not blogging enough!
So rather than keep you all waiting even more, here is a PDF of the presentation I gave at IBM Edge 2013 in Vegas.
Hopefully most of it is self-explanitory, and I WILL... [Continue Reading]
I know its been a long time since I posted the first to parts in my "optimal performance" series, and I've been promising parts 3 and 4 for some time, but they are more or less written - well the basic information has been distilled into a presentation...
The world... [Continue Reading]
Some of you may have spotted we release another Storwize Family member back in July, but in limited geographies. Today
IBM announced world-wide availability of the IBM Storwize V5000.
As the name suggests, this product sits firmly between the Storwize V3000 and Storwize V7000 ranges, in... [Continue Reading]
Just over a week or so ago we completed the ITSO Redbook residency to create a book based on the SAN Volume Controller and the IBM FlashSystem 820. Now, normally we like to get these things out very quickly and the team, Danny Bryant, Christian Burns, Joao Marcos Leite, and Denis Senin worked very... [Continue Reading]
A quick update from IBM Edge2013 at the Mandalay Bay, Las Vegas, and we are very pleased to have launched, announced, published as a draft paper the results of work that we have been doing with a company called Bridgeworks, and their SANSlide product. They are here at Edge and we were able to fine... [Continue Reading]
Storwize Customer UGM
Wednesday 6th May 2015, IBM Hursley
IBM Storwize Family of Products (including SVC) User Group Meeting
Come and meet the Storwize Team at the IBM Laboratory,... [Continue Reading]
First trip in new role has been to Christchurch for the last couple of days. Some good meetings with Business Partners to see the lay of the land here, and look over some interesting prospects being worked on.
The recent FlashSystem V9000 announcement, which I didn't cover in my absence... [Continue Reading]