Don’t believe the hype, you don’t need dedicated storage for VDI
Virtualization/VDI ArchitectAugust 12, 2014
Aaron Patten, @jedimt
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Why do we dedicate storage for applications?
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Why we have dedicated storage for VDI
•Discovering how to integrate into existing infrastructure is very difficult
•Unpredictable and volatile VDI workloads (boot storm, patches)
•Inability to guarantee acceptable user experience
•Difficulty scaling existing storage assets from pilot/POC to production
•Scale-up storage model does not enable elastic scaling
•Complex desktop management & scheduled maintenance requirements for VDI
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Wrangling I/O in VDI Multitenant EnvironmentsDelivering the flexibility & adaptability to enable large scale VDI deployments
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The Noisy Neighbor Effect Individual tenant impacts other applications Unsuitable for performance sensitive apps
SolidFire QoS in Practice Create fine-grained tiers of performance Application performance is isolated Performance SLAs enforced
Noisy Neighbor
Performance 0
Performance 1
Performance 2
Performance 3
Decreased Performance
Eliminating Noisy (Desktop) Neighbors
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Cloud Orchestration
Virtual Desktop Infrastructure
Database
- Solutions -
SolidFire Advantages• Single, scalable, shared
storage infrastructure• Guaranteed performance
to all applications• Dynamic orchestration
layer integration• Complete Automation
VirtualInfrastructure
Introducing a Scalable Approach to VDI Storage in an EnterpriseShared Storage for All!
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The SolidFire SolutionScale-out high performance storage systems designed for large scale infrastructure
Most Scalable All-Flash storage system4 – 100 nodes, 48TB – 3.4PB, 7.5M IOPS Industry-standard hardware, 10 GigE iSCSI20X performance of traditional SANs
Most complete enterprise feature set of any AFA
10x reduction in operational cost Delivered below $3/GB
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Virtual Desktop Infrastructure (VDI) with SolidFire
Adaptable Infrastructure
Eliminate Storage Sprawl
Granular Scalability
Simplified VDI Administration
Lowest $/Desktop
The SolidFire Advantage
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Adaptable Infrastructure
•Go from pilot to production and beyond
•Design for X and change to Y on the fly
•Adjust QoS controls to accommodate boot storms, virus scans, patching and recompose operations
•Share storage infrastructure with other workloads (tenants), each with defined performance parameters
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Eliminate Storage Sprawl
•Extremely dense deployment with 1000+ desktops per node keeps footprint small
•Collapse multiple application silos to a true shared storage infrastructure
•Fined grained QoS allows mixing of disparate workloads without fear of noisy neighbor issues
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Granular Scalability•Incrementally add nodes to increase total IOPS and capacity available to desktop pools
•Logically scale existing volumes to increase performance and capacity on demand
•No forklift replacements when desktop capacity is out grown
•No downtime required to scale environment
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Simplified VDI Administration
•Provisioning storage to the broker software is as simple as “how much?” and “how fast?”
•Speed up desktop provisioning and maintenance
•Automatically balance desktop workload across the entire system eliminating hot spots
•Self-healing eliminates fire drills from failures
•SolidFire rolling upgrades do not mandate outage window -> critical for mixed workload / multitenant environments
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Lowest $ per Desktop
•Inline data efficiency means all desktop profiles are cost effective
•VDI storage costs under $50 / desktop
•Less than $1 per desktop IO
•Fit 1,000+ desktops per node = optimal data center footprint
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XenDesktop on SolidFire Reference Architecture
Strong User Experience Low $/Desktop Simplicity of Scale Design Adaptability Dedicated Performance with
Shared Infrastructure Economics
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SolidFire Powering XenDesktop - QoS
750 Desktops delivered via PVS 7
Write Cache File Volumes11 x 1TB volumes70 desktops per volume
QoS settings per volumeminIOPS = (Number of VM’s per Volume) * 25maxIOPS = (Number of VM’s per Volume) * 100burstIOPS = (Number of VM’s per Volume) * 250
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SolidFire Powering XenDesktop – Boot Storm
• System Center sequentially booted all desktops• Peak IO and Bandwidth requirements easily handled• Consumed less than 1/8th available performance of cluster
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• Medium workload with LoginVSI 3.7 Pro• Avg vcache latency = .5 ms at 750 sessions• Avg cluster utilization = 8% at 750 sessions• VSImax not reached
SolidFire Powering XenDesktop – LoginVSI
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SolidFire Powering XenDesktop – Efficiency
Capacity consumed for 750 desktops < 25GB
• Deduplication factor 6.01x• Compression factor 3.26x
• Total reduction of over 18x on write cache files
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Citrix XenDesktop Reference Architecture
Available at www.solidfire.com/vdi
Hybrid Clouds with CitrixPowered by SolidFire
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Market Drivers for Hybrid Cloud Provisioning
Flex
Examples:Seasonal Workers
Citrix migrations testing
Grow
Examples:On-board M&A
Organic usage growth
Transform
Examples:“Don’t Own Stuff”Hardware Refresh
Optimize CAPEX Build for Speed Think Differently
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• Proven product: Fast provisioning, proven at scale
• Flexible: Application-centric cloud uniquely delivers every workload
• Scalable: Amazon style operations and scale
• Open: Built on Apache CloudStack, AWS-like APIs
powered by Apache CloudStack
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Optimized Citrix Desktop Cloud Solution
Private IaaS CloudData Center A Data Center B Data Center N
Mobile AppsDeploy
Manage
Scale
Farm 1Deploy
Manage
Scale
Virtual DesktopsDeploy
Manage
Scale
Farm 2Deploy
Manage
Scale
Web Apps
Deploy
Manage
Scale
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• Flexibility
• Storage Control
• True Multi-Tenancy
• Time to Value / Time to Market
SolidFire & OrchestrationNative multi-tenant architecture, best-in-class integrations
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Top Takeaways
1. True shared storage for applications, including VDI
2. Guaranteed performance for applications, adjustable on the fly
3. SolidFire + XenDesktop + CloudPlatform = scalable multi-tenant and multi-workload architecture
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For more information or to put this into action:www.solidfire.com/vdi@jedimt @solidfire
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