Combining "An exchange and discussion of Storage Virtualization" & "Musings of the SVC, Storwize and FlashSystem Support Architect"
ORIGINALLY POSTED 13th January 2017 TOP 10 POST - 50,563 views on developerworks Here’s another topic I often get asked about. Things used to be quite simple and I covered this for many years in my Configuring for Optimal Performance series of technical university presentations (also here on the blog - parts 1, 2, 3)... Continue Reading →
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 →
ORIGINALLY POSTED 19th December 2016 11,967 views on developerworks 7.8.0 Spectrum Virtualize Back in November we announce the 7.8 updates for SVC, Storwize and V9000 - the products running Spectrum Virtualize software, and a new expansion enclosure offering over 1.4PB RAW capacity in just 5U rack space… Transparent Cloud Tiering TCT is IBM’s general overarching... Continue Reading →
GUEST POST by Distinguished Engineer - Dr Bill Scales Today we are lucky to have the first in a series of guest posts from Dr Bill Scales. Bill is one of the lead product architects in the storage team in Hursley. Bills depth and breadth of knowledge of storage systems is second to none, which... Continue Reading →
ORIGINALLY POSTED 24th August 2016 8,902 views on developerworks Yesterday I spent an hour or so looking for something I knew was out in the blogosphere so I could pull down the reference to it, its frustrating that even when you know something is out there, and no amount of google search phrases can find... Continue Reading →
Spectrum Virtualize 7.7.1 & All-flash ORIGINALLY POSTED 23rd Augudst 2016 12,008 views on developerworks Just to make life as difficult as possible for the development and test teams, and not content with refreshing the lower end Storwize V5000 products earlier this year, today IBM is announcing a refresh to the Storwize V7000, FlashSystem V9000 and... Continue Reading →
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 →
ORIGINALLY POSTED 10th June 2016 10,191 views on developerworks Last week I covered some of the main updates in the 7.7.0 release of Spectrum Virtualize, this week I am in IBM RTP in North Carolina and can fill you in on yet more! New Flash and Drive Options Lower Cost Flash Drives Just as we... Continue Reading →
ORIGINALLY POSTED 30th May 2016 10,427 views on developerworks Last week while in Sweden and Denmark I posted about the new 7.7.0 Spectrum Virtualize software that was announced while I was there. Back home in New Zealand now, and got some time to fill you in on the rest of the features this new release... Continue Reading →
