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VMware’s Virtual and Physical SAN Misdirection


I almost fell off my chair laughing as I read this post by Chuck Hollis that talks about using vSphere VSAN (Virtual SAN) with external storage arrays.  Is it the rantings of someone clinging onto the vestiges of a former life, or perhaps it’s a veiled way for VMware to start unravelling their failed VVOL strategy? Let’s do some scene ... Read More »

Will TCO Drive Software Defined Storage?


With the imminent announcement of pricing for VMware Virtual SAN, there has never been a more complex landscape for storage in the enterprise.  But how much of future decisions will be based on technology and how much on understanding the TCO of solutions being deployed? Rumour has it that VSAN will be priced at about $2500 per CPU.  That’s on ... Read More »

Nutanix Raises an Additional $101 million for Hyper-Convergence


As revealed today, the Nutanix juggernaut thunders on with the announcement of a further round of investment totalling $101 million, bringing the collective investment in the company so far to $172.2m across four rounds of funding. The hyper-converged product space is extremely active, in terms of funds invested.  As recently as November 2013 I wrote about SimpliVity, a Nutanix competitor ... Read More »

Goodbye Virsto

Virsto Overview

With effect from 1st January 2014, VMware have announced that their Virsto acquisition is end of life and no longer available for purchase.  The brief statement released by the company indicates that support will continue until September 2015. I first looked at Virsto in 2011 with a brief review in a post that compared the technology to another similar vendor, ... Read More »

The Virtual Machine is a Legacy Construct


Virtualisation is great.  As well as being a massively cool technology (and I’ve been using it since 1987), it has allowed us to manage more workload, first by running multiple mainframe instances on the same physical machine and second in the x86 world to take our physical servers and consolidate them into larger physical footprints.  In a way virtualisation had ... Read More »

Reinventing The Storage Array and Learning From Blackblaze


A recent post from the Backblaze blog has received wide coverage across the blogosphere and news outlets. Entitled “How long do disk drives last?“, it attempts to put some science behind the statistics of the life of a hard drive compared to the manufacturers quoted figures.  It’s not a surprise to find that the results show drives fail more often ... Read More »