This question has come up a few times in recent conversations, and was asked at the recent German virtual Storage Strategy Days event. Evelyn Perez covered this in the Q&A session, but I thought it was worthy of a post to help explain. The question comes in various guises, either "When will you support", "Does... Continue Reading →
Introducing SVC – SV2 & SA2 Node Hardware
So to round off the week, the final thing we announced last month was a refresh to the SVC node's themselves. SVC has been providing our clients with true heterogeneous storage virtualization in the form of an appliance for over 16 years now. Depending on how you count them, these are the 9th generation, and... Continue Reading →
Introducing Spectrum Virtualize 8.3.1, FlashSystem 7200, 9200 and SVC Platform updates
Hopefully by now you will have all seen the new updates across pretty much the whole Spectrum Virtualize Family. The new 8.3.1 software GA'd a week early on the 29th February 2020, and 8.3.1.1 is available for download. At the same time as I discussed in part 5 of my potted history partwork, the Storwize... Continue Reading →
A Brief History of “recent” Time – Part 5
2008-2020 The "Storwize" Years It seems fitting for my first officially new post on the new site to actually be a historical retrospective. At the same time however, it brings us right up the to recent IBM Storage annoucements made on 11th/12th February 2020. So its 2008, and for probably the previous decade the Hursley... Continue Reading →
Quorum, How does it work? SVC and Storwize
ORIGINALLY POSTED 10th January 2017 19,712 views on developerworks Spectrum Virtualize Quorum Happy New Year to all. I’ve been getting a few questions relating to quorum devices, and in particular the IP quorum and what happens when various different failure scenarios occur. I thought it was worth detailing things here. So first some background. What... Continue Reading →
You probably have some more license than you thought…
Introducing Differential Licensing Over the years its become clear that a TB isn’t what it used to be, for example the maximum tier of SVC license capacity back in 2003 was 32TB… so things have changed. We wanted to reflect this in the managed (mdisk) capacity licensing. Not all TB are equal… In order to... Continue Reading →
Spectrum Virtualize XML Statistics Definitions – LINK – SVC/Storwize/FlashSystem
ORIGINALLY POSTED 15th December 2015 8,794 views on developerworks Hi all, I know over the years I've had hundreds of enquiries regarding the XML statistics, what they contains and how they can be decoded. Some of you have written your own parsers and need to know when new things have been added or items changed.... Continue Reading →
Introducing New Storwize and SVC Software v7.4.0
ORIGINALLY POSTED 30th October 2014 25,721 views on developerworks 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... Continue Reading →
Vdisks, Mdisks, Extents and Grains – Scale out for sure!
ORIGINALLY POSTED 5th February 2014 15,619 views on developerworks I think I missed January, it certainly seems like February has snuck up on us - maybe its because every day here in the UK is merging into one... since us Brits love to talk about the weather... its been kinda boring, rain rain, oh look... Continue Reading →
Configuring IBM Storwize and SVC for Optimal Performance – Parts 3 and 4
ORIGINALLY POSTED 5th October 2013 30,678 Views on developerworks 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... Continue Reading →
Barry Whyte and Andrew Martin : IBM Storage 