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In Memory Computing (IMC) Cloud - so what about the Memory?

Storage Intelligence - about time!

I was reading recently an article about Backblaze releasing storage designs. This is a 180TB NAS device in 4U! Absolutely huge! A 42U rack would be able to have around 1.8Petabyte in a single rack.

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When thinking about Petabytes, one thinks about the big players in storage, EMC/NetApp/HDS, selling tens of storage racks covering substantial parts of the datacenter floor space and offering a fraction of this capability.

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Clearly, the storage profile of what the large monolithic enterprise arrays offer is different. However, Backblaze clearly highlights the ability to get conventional "dumb" storage easily and at low cost! Packing some flash  cache or SSD in front would already bring these boxes to the same I/O capacity;-)

This makes the case that storage per se is not really a challenge anymore. However, making storage aid in the overall performance equation; making sure that storage helps in specific workload acceleration is going to be critical going forward. Basically Intelligent Storage!

Questioning "Accepted Wisdom"

Many IT shops still think of storage as a separate part of their estate. It should simply store data and provide it back rapidly when asked - politely. The continuing stifling of innovation in datacenters due to having a single answer for all questions - namely VMware/hypervisors and server virtualization - tends to stop any innovative thinking that may actually aid an organisation to accelerate those parts of the application landscape leveraging revenue.

Some questions that came to mind and also echoed by clients are:

  • Disk is cheap now. SSD answers my performance needs for storage access. Is there something that together with software actually increases the efficiency of how I do things in the business?

  • For whole classes of typical applications, structured data persistence pools, web servers etc what would "intelligent" storage do for the physical estate and the business consumers of this resource?

  • How can enterprise architecture concepts be overlaid to intelligent storage? What will this mean to how future change programmes or business initiatives are structured and architected?

  • How can current concepts of intelligent storage be used in the current datacenter landscape?

We are seeing the first impact of this type of thinking in the structured data / database world. By combining the database workload with storage and through software enablement we get  intelligent acceleration of store/retrieval operations. This is very akin to having map-reduce concepts within the relational database world.

Further combining storage processing, with CPU/RAM/Networking offload of workload specific storage requests, facilitatest unprecedented scale-out, performance and data compression capabilities.

Oracle's Engineered Systems, the Exadata Database Machine in particular, represents this intelligent storage concept, amongst other innovations, for accelerating the Oracle database workload.

These workload specific constructs foster security of precious data assets, physically and logically. This is increasingly important when one considers that organisations are using shared "dumb" storage for virtual machines, general data assets and application working data sets.

In the general marketplace other vendors (IBM PureSystems + DB2, Teradata, SAP HANA etc) starting to use variations of the technologies for intelligent storage. The level of maturity varies dramatically, with Oracle having a substantial time advantage as first mover.

2013-2015 will see more workload focused solutions materializing, replacing substantial swathes of datacenter assets built using the traditional storage view.

Why is this important for the CIO, CTO & CFO?

Intelligent workload-focused storage solutions are allowing CIO/CTOs to do things that were not easily implemented within solutions based on server virtualization technology using shared monolithic storage arrays - dumb storage - such as in the VMware enabled VCE Vblock and HP CloudSystem Matrix - which are effectively only IaaS solutions.

Workload specific storage solutions are allowing much greater consolidation ratios. Forget the 20-30-40 Virtual Machines per physical server. Think 100s of workloads per intelligent construct! An improvement of 100s of percent over the current situation!

It is important to verify how intelligent storage solutions can be a part of the CIO/CTO's product mix to support the business aspirations as well as simplify the IT landscape. Financing options are also vastly simplified with a direct link between business performance and physical asset procurement/leasing:

  • Intelligent storage removes architectural storage bottlenecks and really shares the compute/IO/networking load more fully.

  • Intelligent storage ensures those workloads supporting the business revenue generating activities are accelerated. Acceleration is linked to the cost of underlying storage assets. As cost of NAND flash, SSDs and rotating disks drop, more is automatically brought into the storage mix to reduce overall costs without disrupting the IT landscape.

  • Greater volumes of historic data are accessible thanks to the huge level of context sensitive, workload-specific data compression technologies. Big data analytics can be powered from here, as well as enterprise datawarehouse needs. This goes beyond simple static storage tiering and deduplication technologies that are unaware of WHAT they are storing!
  • Workload-specific stacking supports much higher levels of consolidation than simple server virtualization. The positive side effects of technologies such as Exadata include the rationalization of datacenter workload estates in terms of variety, operating systems can be rationalized and generally have net-net healthier estate. This means big savings for the CFO!

Intelligent storage within vertically engineered workload specific constructs, what Gartner calls Fabric Based Infrastructure present a more cogent vision of optimizing the organizational's IT capability. It provides a higher level of understanding how precious funding from CFOs is invested to those programmes necessary for the welfare of the concern.

CIO/CTOs still talking about x86 and server virtualization as the means to tackle every Business IT challenge would be well advised to keep an eye on this development.

Intelligent storage will be a fundamental part of the IT landscape allowing effective competition with hyperscale Cloud Providers such as Google/Amazon and curtailing the funding leakage from the business to external providers.

Disclaimer

The opinions expressed here are my personal opinions. Content published here is not read or approved in advance by my current employer and does not necessarily reflect the views and opinions of my employer.

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