presentation title goes here jim handy objective …...solid state storage \⠀匀匀匀尩 is...
TRANSCRIPT
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PRESENTATION TITLE GOES HERE Jim Handy Objective Analysis
Director
Why is SSS Crucial to the Data Center?
JANUARY 28, 2014, SAN JOSE, CA
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OBJECTIVE ANALYSIS
Why is SSS Crucial to the Data Center?
Jim Handy
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
OBJECTIVE ANALYSIS Semiconductor Market Research
• Market consulting/research firm – Market analysis, strategies, white papers
• Highly-respected lead analysts – Jim Handy: Memories & SSDs – Lane Mason: Memory chips – Tom Starnes: Processors
• Industry experience & 25+ years in field • Reports, Competitive Analysis, Consulting
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Agenda
• Flash rationales are maturing • The form factor conundrum • The “Computer of Tomorrow”
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Agenda
• Flash rationales are maturing • The form factor conundrum • The “Computer of Tomorrow”
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
What Folks Said About SSDs in 2005
• “It’s fast and rugged.” – Military: “We’ll take rugged!”
• “We’ll also take fast erase!”
• “It has no mechanical wear.” – HDD Makers: “What about wear-out?”
• “$/GB will fall below that of HDDs.” – Mother Nature: “Don’t count on it!”
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
NAND vs. HDD $/GB
$0.01
$0.10
$1.00
$10.00
$100.00
$1,000.00
2004 2005 2006 2007 2008 2009 2010 2011 2012
Pric
e pe
r Gig
abyt
e
HDD Pricing Courtesy of PriceG2
20X the Price!
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Viewpoints Matured by 2009
• “Lower power than HDDs.” – Everyone: “Damn costly way to save power!”
• “Super-high IOPS” – SNIA: “Is that FOB or over time?” – Users: “How many IOPS do I need?”
• “Works well as a cache” – Start-Ups: “Want some software with that?”
• “How about some deduplication and compression?”
Report: How Many IOPS is Enough?
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
What We Think in 2014
• “It reduces footprint, power, licensing…” – “Hard to predict without actually doing it,
though!” • “It saves money”
– “Same reply.” • “It augments HDDs”
– HDD Makers: “We told you so!” • “It’s been proven – it works”
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Why Flash is Imperative
From : HDDs and Flash Memory: A Marriage of Convenience
Today’s DRAMs are 6,000 Times HDDs’ Speed
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Flash in Computing • It’s a migration:
– 2004: SSD – 2005: Turbo Memory – 2006: PCIe SSDs – 2007: Hybrid HDD – 2008: Flash-based appliances – 2009: Compression – 2010: Caching, Braidwood – 2011: Deduplication – 2012: Ultrabook – 2013: Flash DIMMs
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Agenda
• Flash rationales are maturing • The form factor conundrum • The “Computer of Tomorrow”
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Which Form Factor Is Right?
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Why SSDs?
• Because flash is storage – Storage belongs in an HDD package
• Because it smoothes the transition from HDD to flash
• Because nothing has to be redesigned – Same hardware – Same software
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Why NOT SSDs?
• Because the I/O hardware slows it down • Because the I/O software slows it down • Because SSDs behave differently than
HDDs: – Irregular delays – Wear issues
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Why PCIe?
• Because it’s faster than disk interfaces • Because all servers have a free PCIe slot • Because it’s close to the CPU • Because there’s a lot of power • Because PCIe RAID cards are well
supported
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Why NOT PCIe?
• Because you can’t hot swap, and all storage must be hot swappable
• Because standards are relatively new – Many devices were designed prior to the
advent of these standards • Computing has abandoned DAS for a
shared storage model
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Why All-Flash Arrays?
• Because they can be optimized for flash – A closed system can do things that an open
system cannot – Many include deduplication and compression
• Because they compete head-on with NAS and SAN
• Because you can fit more flash in if you don’t use an SSD form factor
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Why NOT All-Flash Arrays?
• Because you’re going up against established vendors
• Because most systems don’t need that much performance
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Why Hybrid HDDs?
• It’s a natural evolution from DRAM cache to flash cache – Similar algorithms, similar hardware
• All of the storage of an HDD with most of the performance of an SSD
• Because hybrids are cheaper than SSDs
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Why NOT Hybrid HDDs?
• Because HDDs are still cheaper – This will fade over time
• Because the technology is new and unknown
• Because most users don’t think that an 8GB cache is big enough
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Why Flash as Memory?
• Because it IS memory! – Random access – Bus architecture
• Because that’s the fastest interface • Because it scales better than PCIe • Because flash is cheaper than DRAM
– DRAM: $7.20/GB – NAND: $0.38/GB
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Flash Cheaper than DRAM
$1
$10
$100
$1,000
$10,000
1Q00
1Q01
1Q02
1Q03
1Q04
1Q05
1Q06
1Q07
1Q08
1Q09
1Q10
1Q11
1Q12
Ave
rage
Pri
ce p
er G
igab
yte
DRAM
From: Hybrid Drives: How, Why, & When?
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Why NOT Flash as Memory?
• Because it’s not already supported by standard software
• Because it’s storage, and until that mind-frame is shaken it can’t play a role of cheap/slow memory
• Because users worry about wear
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Agenda
• Flash rationales are maturing • The form factor conundrum • The “Computer of Tomorrow”
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The Computer of the Future
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Flash is Everywhere! Server Clusters: Each server has
DRAM and NAND memory
Each server has a caching SSD
Storage: All storage is
accelerated with flash & hybrid drives
Internet access is accelerated with flash
Inte
rnet
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OBJECTIVE ANALYSIS – www.OBJECTIVE-ANALYSIS.com
Summary
• The industry’s vision for flash use is maturing
• Eventually flash will break away from storage form factors
• Tomorrow’s computers will sprinkle flash liberally throughout the system
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OBJECTIVE ANALYSIS
Thank You!
Jim Handy