Storage QoS – How Hard Can It Be?

Following up from yesterday’s post and the comments received, I thought it was worth considering how hard it would actually be to implement quality of service within a storage array. Almost all storage arrays available today (whether physical or virtual) work on the assumption that I/O should be delivered as fast as possible.  This is not an unreasonable premise, especially ... Read More »

Storage QoS In The Cloud

Last year I did some research and wrote up a couple of posts on Cloud Compute performance.  One feature that seems to get left out somewhat is storage I/O performance; the cloud offerings talk about capacity, but rarely reference performance. Recently, I reviewed the options available from the major providers and found two new storage performance offerings. AWS (Amazon Web ... Read More »

A Year In Review (Newsletter #1)

Each month the most popular posts will be shared on email with additional content.  Newsletter #1 offers a year-end summary.  Here’s the basis of the content, for this edition only.  Subscribe for future releases. Once again 2012 was a busy year for technology.  Here are some of the highlights. Software Defined Everything.  There were two acquisitions that had everyone talking about ... Read More »

New Year, New Site – Architecting IT

Some of the more eagle-eyed amongst you will have noted that http://thestoragearchitect.com now directs to a site called http://architecting.it. First of all  – don’t panic!  – it’s the same site as before with just a different name. I decided at the end of 2012 I needed a new angle for the blog.  Storage is a hot IT topic at the ... Read More »

Quick Post: Thought Provoking Hitachi Blogs

There are a couple of good blog posts worthy of a look over at the Hitachi website this week, good enough for me to post references to them as they aren’t purely about the latest hardware product on offer. First, Dave Merrill (aka The Storage Economist) talks about storage cost ratios in “Back to 1999 Capex Ratio“.  Dave’s content is ... Read More »

Making Sense of Storage Vendor Growth Comparisons

Figure 1 - Gartner ECB All Vendors

Each quarter, Gartner produces a report listing their estimates on figures for sales of external storage arrays, otherwise known as “external controller-based” disk (ECB).  The figures for 3Q12 are just out and make interesting reading.  IBM, HP, Dell and Oracle are all down on their position 12 months ago, whilst the other vendors have seen growth, with the best figures ... Read More »