Hybrid array

A hybrid array is a form of hierarchical storage management that combines hard disk drives (HDDs) with solid-state drives (SSDs) for I/O speed improvements.

Hybrid storage arrays aim to mitigate the ever increasing price-performance gap between HDDs and DRAM by adding a non-volatile flash level to the memory hierarchy.[1] Hybrid arrays thus aim to lower the cost per I/O, compared to using only SSDs for storage. Hybrid architectures can be as simple as involving a single SSD cache for desktop or laptop computers, or can be more complex as configurations for data centers and cloud computing.

Implementations

Some commercial products for building hybrid arrays include:

See also

References

  1. Rino Micheloni; Alessia Marelli; Kam Eshghi (2012). Inside Solid State Drives (SSDs). Springer. p. 62. ISBN 978-94-007-5145-3.
  2. Charlie Demerjian (September 9, 2009). "Adaptec's MaxIQ caches RAIDs with SSDs". SemiAccurate. Retrieved October 10, 2016.
  3. Larry Dignan (February 5, 2012). "EMC unveils VFCache, targets Fusion-io". Between the Lines. ZDNet. Retrieved October 10, 2016.
  4. Chris Mellor (March 5, 2013). "One day later: EMC declares war on all-flash array, server flash card rivals: Rolls out XtremIO array, renamed VFCache". The Register. Retrieved October 10, 2016.
  5. "Fusion-io spins up ioTurbine, enhances server flash caching". The Register. Retrieved October 10, 2016.
  6. "Fusion-io buys NexGen". theregister.co.uk. Retrieved 2015-03-26.
  7. "Big storage turns the tide in the hybrid flash array market", Computer Weekly, September 2013, retrieved 2015-03-26
  8. The SSD Guy (2013-08-20). "IBM Adds Server-Side Caching". The SSD Guy. Retrieved 2013-12-23.
  9. "LSI MegaRAID CacheCade Pro 2.0 Review". storagereview.com. Retrieved 2015-03-26.
  10. "Hands-on with the Marvell HyperDuo hybrid storage controller". CNET. CBS Interactive. Retrieved 2015-03-26.
  11. "NetApp: Flash as a STORAGE tier? You must be joking". theregister.co.uk. Retrieved 2015-03-26.
  12. Chris Mellor (September 30, 2014). "Oracle crashes all-flash bash: Behold, our hybrid FS1 arrays: Mutant flash/disk box a pillar of storage: It's axiomatic". The Register. Retrieved October 10, 2016.
  13. Les Tokar (December 4, 2011). "NVELO Dataplex SSD Caching Software Review - Seven mSATA SSDs Prove An Amazing Concept". The SSD Review. Retrieved October 10, 2016.
  14. Kristian Vättö (December 16, 2012). "Samsung Acquires SSD Caching Company NVELO". AnandTech. Retrieved October 10, 2016.
  15. Ian Barker (2014-01-27). "AMI StorTrends 3500i offers high performance storage for smaller enterprises". BetaNews. Retrieved 2014-10-17.
  16. "Mutant array upstarts feast on EMC, NetApp's leavings". The Register. Retrieved 2015-03-26.
  17. "Oracle's Flash-Friendly Sun ZFS Storage Is Ready for New SPARCs". enterprisestorageforum.com. 3 April 2013. Retrieved 2015-03-26.
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