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PRESENTATION TITLE GOES HERE
Deploying VDI with Software-Defined Storage and Hyper-convergence
Michael Letschin Nexenta
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Why is VDI storage so hard?
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Evolution of Storage
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Evolution of Storage
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Evolution of Storage
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Speed Matters too…
7200 HDD
10 K HDD
15 K HDD
Consumer SSD
Enterprise SSD
Memory
80
120
180
55,000
100,000
∞
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Impact of Business
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Why Density Matters
5-50 Virtual Servers Or
25-200 Virtual Desktops
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How have we always done it?
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SO HOW DO WE FIX IT?
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Storage Separation
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But how do I know?
• Always Asses – Rule of Thumb are average guesses • What impacts them?
• Read / Write Mix • Bursts – Boots, Provisioning. Logins, Lunar Cycles, Antivirus • Average Numbers = Likely failure
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Desktop Load for 100 Users
Light 700
Medium 1500
Power 3000
Heavy 4000
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How do we know if it is good?
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Are there many options?
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Scale Up Storage
All Flash Arrays Hybrid Arrays All HDD
VMware vSphere VMware vSphere VMware vSphere
File / Block Presentation
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Scale Out Storage
Traditionally HDD Based Can be All Flash Grow Storage and Compute separate
VMware vSphere VMware vSphere VMware vSphere
File / Block Presentation
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Hyper-Converged Storage
Could still require other storage for user data Compute and Storage grow linear
VMware vSphere VMware vSphere VMware vSphere
Storage Presentation
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Comparing the Approaches
19
All Flash Arrays Hybrid Arrays Converged
Appliances & “Blocks”
Virtual Storage Appliances DASD Virtual SANs
Scalability Good Good Good Good Limited Good
Performance Better Good Good Good Best Good
Availability Best Best Variable Good LOL Better
Manageability Mixed Bag Good Mixed Bag Mixed Bag Complex Better
Simplicity Best Good Good Good Mixed Bag Good
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Is one model better than the other?
IT DEPENDS…
PRESENTATION TITLE GOES HERE Michael Letschin
[email protected] @mletschin
Thesolutionsarchitect.net
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Types of Storage