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FLASh -SSD: Hybrid & AFA. Harry Zimmer December 2 nd , 2013. FLASH. Flash is becoming a mainstream option, but…. Prices can vary wildly - there are 4 types of Flash available with varying capabilities. SLC, eMLC , MLC, and TLC

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flash ssd hybrid afa

FLASh-SSD:Hybrid & AFA

Harry ZimmerDecember 2nd, 2013

flash
FLASH

Flash is becoming a mainstream option, but…

  • Prices can vary wildly - there are 4 types of Flash available with varying capabilities.
    • SLC, eMLC, MLC, and TLC
  • Flash can be inserted in several places along the ‘data path’ – some configurations may have little to no positive impact.
    • Array (Mix/All), Server (PCIe SSD), Black Box (PCIe SSD’s)
  • Beware of complicating your environment unnecessarily.
  • Best tied to a storage/data tiering strategy: Hot vs Cold data.
  • Is your data protected from Flash failure?
flash architecture
FLASH: Architecture

When does the architecture become too complicated?

Array

“0”

Flash

SSD

“1”

SAS

“2”

SATA

flash architecture1
FLASH: Architecture

When does the architecture become too complicated?

Array

“0”

Flash

SSD

“1”

SAS

“2”

SATA

Hot Data

Cold Data

hybrid storage array tier 0 strengths weaknesses use cases
Hybrid Storage Array – Tier ‘0’Strengths, Weaknesses & Use Cases
  • Databases
  • Email
  • Unstructured data caching
  • Participate in auto tiering with SAS/SATA
  • Large data sets
  • Cost Optimized (Balance between Cost and Performance)
  • Improved performance and predictability
  • Skewed I/O workload
  • Data Protection
  • Leverage existing data management features

Use Cases

flash architecture2
FLASH: Architecture

When does the architecture become too complicated?

Array

Server

DRAM

“-1”

PCIe

SSD

“0”

Flash

SSD

“1”

SAS

“2”

SATA

Hot Data

Cold Data

pcie ssd flash cards tier 1 strengths weaknesses use cases
PCIe SSD Flash Cards – Tier ‘-1’Strengths, Weaknesses & Use Cases
  • Gold Copy of O/S for Boot Storm – VDI
  • Temp work tables
  • Read only database Indexes and tables
  • Small and midsized read only databases
  • SAP Worker Queues

Use Cases

* Fusion-io offers some advanced data protection intelligence on the card called ‘Adaptive Flashback Protection’. This code identifies and takes offline Bad cells before they become a problem. This code does not replace RAID protection schemas.

flash architecture3
FLASH: Architecture

When does the architecture become too complicated?

Array

Server

DRAM

“-1”

PCIe

SSD

“0”

Flash

SSD

“1”

SAS

“2”

SATA

Hot Data

Cold Data

“-½”

Flash Array

flash storage array tier 1 2 strengths weaknesses use cases
FLASH Storage Array – Tier ‘-1/2’Strengths, Weaknesses & Use Cases
  • Large database acceleration
  • Server and desktop virtualization
  • Relatively small data sets
  • Consistent / Predictable performance: Performance cannot degrade in the event of a cache miss.
  • Capacity needed for application working set exceeds flash capacity of hybrid array or server-side caching.
  • Must scale to support hundreds of thousands of IOPS.
  • Random workloads / heavy READ

Use Cases

flash architecture4
FLASH: Architecture

When does the architecture become too complicated?

“3 or 4”

“Archive”

Tape

Array

Server

DRAM

“-1”

PCIe

SSD

“0”

Flash

SSD

“1”

SAS

“2”

SATA

Hot Data

Cold Data

“-½”

Flash Array

flash architecture5
FLASH: Architecture

When does the architecture become too complicated?

“3 or 4”

“Archive”

Tape

Array

Server

DRAM

“-1”

PCIe

SSD

“0”

Flash

SSD

“1”

SAS

“2”

SATA

Hot Data

Cold Data

“-½”

Flash Array

“2 or 3”

“Virtualization”

flash architecture6
FLASH: Architecture

When does the architecture become too complicated?

“3 or 4”

“Archive”

Tape

Array

Server

DRAM

“-1”

PCIe

SSD

Cache

“0”

Flash

SSD

“1”

SAS

“2”

SATA

Cloud Storage Gateway

Hot Data

Cold Data

“-½”

Flash Array

“2 or 3”

“Virtualization”

flash cloud architecture
FLASH: cloud Architecture

Cloud Storage Gateway

File Data

Archive

Backup

  • Amazon
  • Google
  • Microsoft
  • Nirvanix
  • Rackspace
  • Etc.
flash architecture7
FLASH: Architecture

“3 or 4”

“Archive”

Tape

Array

Server

DRAM

“-1”

PCIe

SSD

Flash Cache

“1”

SAS

“2”

SATA

or

NearLine SAS

Cache

“0”

Flash

SSD

Cloud Storage Gateway

Hot Data

Cold Data

“-½”

Flash Array

“2 or 3”

“Virtualization”

gartner ssd flash recommendations april 2013
Gartner SSD-Flash Recommendations (April 2013)
  • Do not use SSDs for all storage requirements, but only for high-value data, which also requires fast access.
  • Review data residing on SSDs and its business value on a continuous basis.
  • Invest in SSDs to reduce and recover costs in related IT infrastructure devices, and free up capital to increase other IT infrastructure investments and improve overall IT agility and costs.
  • Do not plan to replace all HDD storage within your IT infrastructure with SSD storage.
definitions
Definitions

Hybrid

Array

All Flash

Array

Storage

Array

Storage

Appliance

Data

Accelerator

Server

Cache

marketplace
marketplace

Hybrid Array

All Flash Array

violin memory ipo vmem on nyse
Violin memory IPO  ‘VMEM’ on NYSE
  • IPO completed on September 27th, 2013
  • Price: US$9/share – 18 million shares sold

-64%

fusion io ipo fio on nyse
FUSION-IO IPO  FIO on NYSE
  • IPO completed on June 9, 2011
  • Price: US$19/share – 12.3 million shares sold

-58%

flash startup sales pitch
Flash Startup Sales pitch

Secret Sauce

Deduplication

and/or

Compression

“Our usable $/GB on all flash arrays is about the same as a traditional (old) SAS based array.

flash considerations deduplication compression raid type
Flash ConsiderationsDeduplication, Compression, RAID Type
  • Impact on Performance (response time)
  • Impact on Throughput
    • (IOPS)
  • Impact on amount of usable space
  • Impact on usable space $/gig.

Listen to Harry’s 5 minute Customer Audio Podcast on Twitter

Harry’s Twitter ID is: ‘ZimmerHDS’

competitive customer q s
Competitive customer Q’s

Who does the equipment installation? The customer?

Who does the ongoing service and maintenance? The customer (or maybe someone else)?

What exactly is the warranty for the equipment? How are ‘writes’ handled in the warranty?

What is the financial health of the startup? Are they running out of runway/VC patience for an exit?

Is the software stack of the vendor mature? (Don’t assume enterprise class feature/function.)

Is the solution an island of storage? Is tiering part of the solution?

Do you really need 1M+ IOPS?

slide30

Thank You!

Harry Zimmer

Senior Director, Global Competitive & Market Intelligence

Hitachi Data Systems

Email: harry.zimmer@hds.com

Twitter: zimmerhds

Phone: 1-905-738-7903

Cell: 1-416-704-0293