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EMC announces XtremIO flash SSD system General Availability analysis (Part I)

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Storage I/O trends

EMC announces XtremIO flash SSD General Availability

EMC announced  today the general availability (GA) if the all flash  Solid State Device (SSD) XtremIO that they  acquired a little over a year ago. Earlier this year EMC announced directed  availability (DA) of the EMC version of XtremIO as part of other SSD hardware  and software updates (here and here).  The XtremIO GA announcement also follows that of the VNX2 or MCx released in September of this year that also has flash SSD  enhancements along with doing more  with available resources.

EMC XtremIO flash SSD boosting storage I/O performance

As  an industry trend, the question is not if SSD is in your future, rather  where, when, how much, what to use along with coexistence to complement Hard  Disk Drive (HDD)  based solutions in some environments. This also means that SSD is like real  estate where location matters, not to mention having different types of  technologies, packaging, solutions to meet various needs (and price points).  This all ties back to the best  server and storage I/O or IOP is the one that you do know have to do, the  second best is the one with the least impact and best application benefit.

From industry adoption to customer deployment

EMC has evolved the XtremIO platform from a  pre-acquisition solution to an first EMC version that was offered to an early  set of customers e.g. DA.

I suspect that the DA was as much a focus on getting  early customer feedback, addressing immediate needs or opportunities as wells  as getting the EMC sales and marketing teams messaging, marching orders aligned  and deployed. The latter would be rather important to decrease or avoid the  temptation to cannibalize existing product sales with the shiny new technology  (SNT). Likewise, it would be important for EMC to not create isolated pockets  or fenced off products as some other vendors often do.

EMC XtremIO X-Brick
25 SSD drive X-Brick

What is being announced?

 

      
  • General availability vs. directed or limited availability
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  • Version 2.2 of the XIOS platform software
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  • Integrating with EMC support and service tools

Let us get back go this announcement and XtremIO of which  EMC has indicated that they have several customers who have now done either $1M  or $5M USD deals. EMC has claimed over 1.5  PBytes have been booked and deployed, or with data footprint reduction (DFR)  including dedupe over 10PB effective capacity. Note that for those who are  focused on dedupe or DFR reduction ratios 10:1.5 may not be as impressive as  seen with some backup solutions, however keep in mind that this is for primary  high performance storage vs. secondary or tertiary storage devices.

As part of this announcement, EMC has also release V2.2  of the XtremIO platform software (XIOS). Hence a normal  new product should start with a version 1.0 at launch, however as explained  this is both a new version of the technology as well as the initial GA by EMC.

Also as part of this announcement, EMC is making  available XtremIO 10TB X-Bricks with 25 eMLC SSD drives each, along with dual  controllers (storage processors). EMC has indicated that it will make available  a 20TB X-Brick using larger capacity SSD drives in January 2014. Note that the  same type of SSD drives must be used in the systems. Currently there can be up  to four X-Bricks per XtremIO cluster or instance that are interconnected using  a dedicated InfiniBand Fabric. Application servers access the XtremIO X-Bricks  using standard Fibre Channel or Ethernet and IP based iSCSI. In addition to the  hardware platform items, the XtremIO platform software (XIOS) includes built-in  on the fly data footprint reduction (DFR) using global dedupe during data ingestion  and placement. Other features include thin provisioning, VMware VAII, data  protection and self-balancing data placement. Storage I/O trends

Who or what applications are XtremIO being positioned  for?

Some of XtremIO industry sectors include: 

      
  • Financial and insurance services
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  • Medical, healthcare and life sciences
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  • Manufacturing, retail and warehouse management
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  • Government and defense
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  • Media and entertainment

Application and workload focus: 

      
  • VDI including  replacing linked clones with ability to do full clone without overhead
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  • Server  virtualization where aggregation causes aggravation with many mixed IOPs
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  • Database for  reducing latency, boosting IOPs as well as improving software license costs.

Databases such as IBM DB2, Oracle RAC, Microsoft SQLserver and MySQL  among others have traditionally for decades been a prime opportunity for SSD  (DRAM and flash). This also includes newer NoSQL or key value stores and meta  data repositories for object such as Mongo, Hbase, Cassandra, Riak among others. Typical focus includes placing entire instances, or  specific files and objects such as indices, journals and redo logs,  import/export temp or scratch space, message queries and high activity tables  among others.

What about overlap with other EMC products?

If you simply looked at the above list of sectors (among others) or  applications, you could easily come to a conclusion that there is or would be  overlap. Granted in some environments there will be which means XtremIO (or  other vendors solutions) may be the primary storage solution. On the other hand  since everything is not the same in most data centers or information factories,  there will be a mix of storage systems handling various tasks. This is where EMC  will need to be careful learning what they did during DA on where to place  XtremIO and how to positing to complement when and where needed other  solutions, or as applicable being a replacement.

XtremIO Announcement Summary

      
  • All flash SSD  storage solution with iSCSI and Fibre Channel server attachment
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  • Scale out and  scale up performance while keeping latency low and deterministic
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  • Enhanced flash  duty cycle (wear leveling) to increase program / erase (P/E) cycles durability
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  • Can complement  other storage systems, arrays or appliances or function as a standalone
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  • Coexists and  complements host side caching hardware and software
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  • Inline always on  data footprint reduction (DFR) including dedupe (global dedupe without  performance compromise), space saving snapshots and copies along with thin  provisioning

  Storage I/O trends

Some General Comment and Perspectives

Overall, XtremIO gives EMC and their customers, partners  and prospects a new technology to use and add to their toolbox for addressing  various challenges. SSD is in your future, when, where, with what and how are  questions not to mention how much. After all, a bit of flash SSD in the  right location used effectively can have a large impact. On the other hand, a  lot of flash SSD in the wrong place or not used effectively will cost you lots  of cash. Key for EMC and their partners will be to articulate clearly, where  XtremIO fits vs. other solutions without adding complexity.

Checkout part II of this seriesto learn more about  XtremIO including what it is, how it works, competition and added perspectives.

Ok, nuff said (for now). Cheers
Gs


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