Just a Bunch of Disks (JBOD) - Introducing the Sun Storage J4000

Reliability is key in your storage device; it can make the difference between compliance and a multi-million dollar lawsuit in some cases. With the failure rate of layers of a storage device being almost a certainty at a network scale, it is more critical than ever to employ technology that can intelligently identify bytes of data and maintain their integrity throughout the data management process.

That's the driving force behind the development of the Sun Storage J4000 family array (aka JBOD for Just A Bunch Of Disks), with more value being placed on general purpose software running on industry-standard architecture and JBODs than ever before. As Bill Moore (photo), Chief Engineer of Systems Storage Group, points out in his interview with Hal Stern, VP of Global Systems Engineering, in this edition of Innovating@Sun, "the true value is in the software, software like ZFS and Solaris, that will be able to take advantage of the capabilities of the general purpose compute and make what people used to think as 'oh, yawn, another JBOD' into something that would be even more powerful and more reliable than your typical storage array is today."

Part 1


Part 2

Moore and Stern discuss in Part 1:

  • Reliability and economic benefit of the J4000 array, both for enterprise businesses as well as SMBs
  • The importance of bandwidth and the J4000 array's use of SAS connectors to increase bandwidth at a low latency and low cost
  • Software architecture for managing disks, particularly the intelligence of ZFS and its role in data protection
  • Error rates of traditional storage devices and its impact on network scale storage
  • Failure detection in the storage device and its fundamental importance to data integrity

And continue their discussion in Part 2, with particular attention to:
Flash Memory and

  • its incorporation into the storage hierarchy and how it is revolutionizing the storage industry
  • what ZFS does to take advantage of both the economic, performance, and reliability aspects of Flash
  • how it is compared/contrasted to DRAM and spinning disks
  • its role in the improvement of the read/write functions of storage systems: lowering latency, increasing throughput, and improving read time and performance
  • the role of ZFS and Flash in data migration and space optimization in the storage server

Moore and Stern also touch upon the Open source community and how it is contributing to the development of the Open Storage revolution.

Links:
Transcript - Part 1
Transcript - Part 2
Sun Storage Content Channel
Open Storage website
Open Storage community
ZFS Open Source Community
A note from Jonathan on Flash, Open Storage, and ZFS

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