tiering ssd to cloud
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Tier X - Stretching
Tiered Storage from
SSD to Cloud
Storage Expo
London
Kirby Wadsworth
Vice President – Global Marketing
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Outline
• Tiered storage basics
• Introduction to file virtualization
• Storage technologies continue to evolve
• Optimizing for lower cost
• Reduce costs and increase flexibility with cloud
• Bringing it all together
• Summary
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Tiered Storage Basics
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What Is Tiered Storage?
• Not all data is created equal
• Dynamically match type of data with a storage system
optimized for that data type
• A simple way to start:
– Segregate data into active and inactive data sets
• Active data placed on high-performance storage
• Inactive data placed on low-cost storage
• Dramatic cost benefits
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History of Tiered Storage
• Historical impediments
– For many years, the opportunity to tier was limited by
the absence of a good choice for the second tier
• Tape too slow and fragile for general purpose Tier 2
– Adding a tier of storage was not transparent to user
and application access to data
• Moving data is disruptive
• What changed?
– Introduction of high-capacity SATA
• Acceptably slower when used to store less active data
– File virtualization
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Introduction to File
Virtualization
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What Is File Virtualization?
• Logical abstraction of file systems
• Decouples access to files from physical location of files
Servers
Applications and Users
File Virtualization
with
Integrated Services
Logical
Access
Physical
Access
Servers
Applications and Users
“Decoupling”
Before After
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User View
“Virtual name” is
independent of where
the file is actually stored
Virtual
Namespace
File Virtualization
u:\Presentations\BoD.ppt
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Storage View
File Virtualization
“Tier-1” “Tier-2”
Physical
Namespace
“Tier-3”
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Transparent Mobility
“Virtual name” is
independent of where
the file is actually stored
Virtual
Namespace
File Virtualization
u:\Presentations\BoD.ppt
“Tier-1” “Tier-2”
Physical
Namespace
“Tier-3”
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Storage Technologies
Continue to Evolve
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Traditional Storage Technologies
Lower
Performance
Higher
Cost/GB
Higher
Performance
Lower
Cost/GB
Traditional
Tier-1 (High-perf SAS)
Traditional
Tier-2 (High-cap SATA)
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Emerging Storage Technologies
Lower
Performance
Higher
Cost/GB
Higher
Performance
Lower
Cost/GB
Traditional
Tier-1 (High-perf SAS)
Traditional
Tier-2 (High-cap SATA)
Optimized
Storage(Dedupe SATA)
Memory
Storage (SSD)
Lowest $
per IO/sec
Lowest $
per GB
“Elastic” Storage(Cloud)
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Integrate Heterogeneous Storage Technologies
File Virtualization
Applications and Users
Real-time matching of application/business needs and storage capability
Memory
Storage
(SSD)
Traditional
Tier 1
(High-perf SAS)
Traditional
Tier 2
(High-cap SATA)
Optimized
Storage
(Dedupe SATA)
“Elastic”
Storage
(Cloud)
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Starting to Tier:
Optimize for Lower Costs
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IDC: Worldwide Network Controller and Block-Level Storage Virtualization 2008–
2012 Forecast: A Key Component in Building the Virtual Datacenter, April 2008
Total Enterprise Disk Storage Systems Shipped
IT is seeking cost and efficiency improvements
Why Companies Started to Tier Storage
IT Budget Constraints Volume of Data Growing
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Simple Model for Active Data Management
Virtual
Namespace
u:\Presentations\BoD.ppt
Physical
Namespace
File Virtualization
Not modified in
last month
Modified in
last month
Backup
Same Weekly Fulls (x5)
But only 10% of the data
No Weekly Fulls
(only Monthly+)
10% 90%
Tier 1 Tier 2
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Case Study – Medium Enterprise
• Challenge – rapid data growth:
– High costs for disk capacity
– Long backup times and high costs for backup media
• Solution
– Moved data not modified in last month (90%) to Tier 2
– Different backup policies for Tier 1 and Tier 2
• Benefits
– Disk cost savings
• New disk capacity is all Tier 2 (at 1/5 the cost…)
– Backup cost savings
• Weekly full backups consume 10% tape media
• Weekly full backup times dropped from >36 hours to <3 hours
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Sample Cost Savings – 25TB Environment
• Hard cost savings
– Use of lower-cost disk storage $270,000
– Reduction in backup costs $50,000
– Increased capacity utilization (40->80%) $536,000
– Power savings $34,000
– Total $890,000
• Soft cost savings
– Transparent cross-vendor/technology capacity expansion
– Transparent cross-vendor/technology migration
– Reduction in backup/restore times
– Reduced backup failures
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$0.00
$5.00
$10.00
$15.00
$20.00
$25.00
$30.00
$35.00
$40.00
$45.00
Tier-1 Tier-1+2 Delta
$15.21
$4.26
$10.95
$22.81
$1.06
$21.75
$2.50
$0.50
$2.00
$1.53
$0.16
$1.36
Power
Backup
Util
Disk
Cost Comparison – $/GB
Tier-1
$42/GB
Tier-1+2
$6/GB
Delta
$36/GB
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Reduce Cost and Increase
Flexibility with Cloud
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Cloud Economics Can Make Sense Today
$42.4
$23.3
$19.5
$7.8
$4.0$3.3
$7.1
$11.3
$6.0$4.9
$8.7
$0
$5
$10
$15
$20
$25
$30
$35
$40
$45
40% 80% 100%
Tier-1
Tier-1+2
Tier-2
Tier-1+Cloud
Cloud
$42/GB-36mTier-1@40%
$6.0/GB-36mTier-1+2 @80%
$8.7/GB-36mTier-1+Cloud@100%
10% access
$/G
B (
3-y
ear)
Storage Utilization
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Bringing It All Together
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Storage Tiering Extracts Synergies
Tier-1* Tier-2
Optimized
Tier-1 +
Tier-2Cloud
Optimized
Tier-1 +
Tier-2 +
Cloud
Capacity ($/GB) 3 1 1 1-2 1
Access ($/GB) 1* 2 1 3 1
Access
Performance1* 2 1 3 1
Backup
Optimization3 3 1 1 1
Utilization 3 3 1-2 1 1
Dynamic Capacity
Adds3 3 1-2 1 1
Key: 1 is best; 3 is worst
* For simplicity assume that Tier-1 includes the ability to use SSD technology
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Summary
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Summary
• Storage tiering optimizes storage resources for
performance and cost based on business value
– There are many storage choices available
– File virtualization enables you to easily utilize
heterogeneous storage resources or technologies
• How do you start?
– Deploy Tier 2 today to reduce costs and improve backup
– Start planning for cloud
• Deploy today for increased flexibility in managing storage
• Ramp up deployment as prices continue to decrease
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F5 ARX® Product Family
• Scalable product family– ARX500: Departmental Device
– ARX1000: Mid Tier Device
– ARX4000: Mid to Large Enterprise Device
– ARX6000: Data Center Device
• Common Data Management Operating System software
• Enterprise-class management and serviceability – CLI, GUI, SNMP
– Logging, reporting, scripting
– Diagnostics, “e-mail home”