Seagate offloads ClusterStor data-nomming plaything on Cray

An HPC product line is for life, not just for Christmas

The incredible shrinking Seagate business is selling its ClusterStor HPC array product line to Cray.

Little did we know that when we described Seagate's disk arrays business (ClusterStor and Dot Hill) as a "plaything" earlier this week, Seagate would agree, at least as far as ClusterStor is concerned, and is selling the product line to its main OEM, Cray.

The supercomputer company buys in ClusterStor product and bases its Sonexion arrays on it. Now Cray is buying the ClusterStor line for undisclosed terms and will:

  • Take on more than 100 employees and contractors in R&D, customer support and channel support
  • Support and enhance the ClusterStor product line
  • Support ClusterStor customers
  • Assume certain ClusterStor support obligations
  • Add ClusterStor to its DataWarp and Sonexion array product lines
  • Receive certain assistance from Seagate to provide support on existing service contracts

Seagate and Cray will collaborate on using Seagate technologies in future ClusterStor products.

Cray president and CEO Peter Ungaro said: "Building upon our long-term strategy and the amazing growth of data, storage is becoming more important in our market. With the push to exascale computing and the explosive growth in artificial intelligence, deep learning and analytics, the ability to integrate compute and storage into supercomputing systems is more critical than ever.

"Adding Seagate's ClusterStor product line to our DataWarp and Sonexion storage products will enable us to provide a more complete solution to customers."

Seagate Storage Systems Group VP and GM Ken Claffey, who is seeing off a major part of his product set, said: "In 2012 Cray became our first OEM and has continued over the years to be our largest and most strategic ClusterStor partner. Today's announcement is really the perfect evolution of that continuing, special partnership in HPC. As the leader in the supercomputing market, Cray will be a great home for the ClusterStor, employees, customers and partners."

Cray expects the net impact of the transaction to be in the range of breakeven for 2018, and transaction closing is set for late in the third quarter.


Seagate bought the Xyratex drive array and disk drive testing business in December 2013 for $374m. Cray was already a customer for Xyratex's ClusterStor HPC storage racks, which ran Lustre.

New arrays were developed and Seagate set up a Cloud Systems and Solutions Group "going beyond our leading disk drive business to deliver cloud systems and solutions for OEMs and do-it-yourself organisations" in November 2014. It also added a Hadoop connector hoping to get a ClusterStor foothold in big data analytics.

The idea was to vertically integrate upwards from disk drives and sell drive arrays as components to storage array suppliers such as HP and NetApp etc. using its ClusterStor and also August 2015-acquired Dot Hill OEM-supply drive array business. That cost $694m, meaning Seagate spent slightly more than $1bn buying its way into the disk drive array business.

In January 2015 Seagate head Steve Luczo, talking about ClusterStor, said: "I think that business will be on a billion-dollar run rate in a year from now."

Seagate won HP as a ClusterStor reseller in July 2015. SGI had become a ClusterStor OEM. IBM's Spectrum Scale parallel file system software was added to ClusterStor.

But Seagate's big ideas met falling revenues and lost out. The Xyratex factory in Havant, England, was closed in July 2016.

Now the chickens have come home to roost as Seagate sends Steve Luczo upstairs to be executive chairman, promotes COO Dave Mosley to be its CEO and sets out to lay off 600 people.

The ClusterStor sale signifies the probable end of Seagate's upwards vertical integration ideas. The future of the Dot Hill business must now have question marks around it. Seagate is in abrupt transition, but is it merely reacting to intense short-term pressures or does it have a plan to restart its growth engine?

Mosley has been a Seagate executive for several years and has Luczo looming over him as exec chairman. Can he make a break from the failed strategies of Luczo's years and get Seagate storming ahead again? ®

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