data protection strategies for virtualization
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Data Protection Strategies for VirtualizationData Protection Strategies for VirtualizationPresented byPresented byDateDate
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AgendaAgenda
• Introduction to Double-Take Software
• Overview of Double-Take and the technology behind real-time replication
• The business case for virtualization
• Overview of
• Real-world examples
• Q & A
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About UsAbout Us
• Headquartered in Southborough, MA• Worldwide Reach - North America, South America,
Europe, Pacific Rim and Japan• Over 26 patented technologies• Focused on the protection of business-critical applications
– 100,000 licenses of Double-Take in over 10,000 customers
– 20,000+ licenses protecting Exchange
– 20,000+ licenses to protecting SQL
• Comprehensive Professional Services Offerings• Prestigious Microsoft Certifications
Leading Provider of Disaster Recovery and High Availability Solutions
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Award-Winning SolutionsAward-Winning Solutions
• Real-time data protection• Automatic server failover• Application Availability & Disaster Recovery• Windows NT4, 2000, WPNAS and 2003• 32-bit, 64-bit and “Itanium” IA-64 Support
• Provides redundancy of MSCS storage• Allows MSCS cluster to be separated over IP• Based on Double-Take replication engine• Windows NT4, 2000, WPNAS and 2003
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Solutions OverviewSolutions Overview
Direct Off-Site Connection
Production “Source”Servers
High Availability“Target” Server
Centralized Backup
Server ConsolidationData Migration
Snapshot
Off-Site Disaster Recovery (DR)
WAN
WAN
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High AvailabilityHigh Availability
WWW10.10.10.1
SQL10.10.10.2
FS110.10.10.3
MAIL10.10.10.4
DT-TARGET10.10.10.5
Direct Off-SiteConnection for DR
WAN
WWW10.10.10.1
SQL10.10.10.2
MAIL10.10.10.4
The “Target” continuously monitors the “Source” servers and initiates failover process.
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The Technology – ReplicationThe Technology – Replication
Application LayerExchange services, Database engines,
File sharing, Web applications, etc.Applications
OperatingSystem
HardwareLayer
File System
Windows Operating SystemWindows Server 2000, Windows-Powered NAS,
Windows Server 2003 (including SSE)
File System or “Cache”An area of memory for disk transactions
to be stored before written to disk
Disk/Hardware LayerIncluding disk drivers, disk
controller and the actual hard drives
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The Technology – ReplicationThe Technology – Replication
Applications
OperatingSystem
HardwareLayer
File System
Applications
OperatingSystem
HardwareLayer
File System
Any IP Network
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Benefits of VirtualizationBenefits of Virtualization
• Compelling Value to IT– Server Consolidation
• Reduced hardware costs– Server Rationalization
• Efficient use of resources– Operational Flexibility
• Rapid provisioning and allocation– Easier and Less Costly DR
Virtualization Enables Reduced Costs and Complexity
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Benefits of VirtualizationBenefits of Virtualization
• Reduce the number of physical servers– Savings on hardware acquisition/maintenance– Operational savings – power, cooling, real estate– 5:1 to 20:1 consolidation ratios
• Improve resource utilization– Utilization of standalone servers: 10%-20%– Increase capacity without more hardware
Typical ROI is 6-12 Months
Reduce TCO by up to 60%
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Benefits of VirtualizationBenefits of Virtualization
• Streamline and standardize deployments– Server provisioning goes from weeks to days– Virtual machines share common/standardized
configurations
• Reduce DR costs without sacrificing capabilities– Less hardware required at DR site– Simplified operations at DR site
• Virtual machines are hardware agnostic
• Virtual machines are “portable”
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Using Virtualization for DRUsing Virtualization for DR
Configure Hardware
Rebuild OS Configure OS for New
Hardware
Install Backup Agent
Recover from Tape/Disk
Restore VM Configuration
Recover from Tape/Disk
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Double-Take for Virtual SystemsDouble-Take for Virtual Systems
• Supported in and tested for virtual machine environments• Flexible configuration options:
– Virtualized source or target – or both
• Full Compliment of Double-Take features:– High Availability and Disaster Recovery– LAN and WAN Support
• One license of Double-Take for Virtual Systems supports running on up to 5 virtual machines– Must be on the same physical host– $7,995 includes 1 year of maintenance
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Double-Take for Virtual Systems Double-Take for Virtual Systems
What’s Special About Replicating Virtual
Machines?
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Double-Take Replication ModelDouble-Take Replication Model
Application LayerExchange services, Database engines,
File sharing, Web applications, etc.Applications
OperatingSystem
HardwareLayer
File System
Windows Operating SystemWindows Server 2000, Windows-Powered NAS,
Windows Server 2003 (including SSE)
File System or “Cache”An area of memory for disk transactions
to be stored before written to disk
Disk/Hardware LayerIncluding disk drivers, disk
controller and the actual hard drives
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Applications
OperatingSystem
HardwareLayer
File SystemWin32 ApplicationWin32
ApplicationWin32 Application
VMWare Server Microsoft Virtual Server
FS1 SQL LINUX
NTFS file system containing .vmdk and .vhd
files
Virtualization ModelsVirtualization Models
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VirtualMachine
Hypervisor
“Thin” OS
HardwareLayer
File System
FS SQL LINUX
ClusterFS on Proprietary Host OS
VMware ESX Server
FS SQL
BSD WEB
Virtualization ModelsVirtualization Models
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Applications
OperatingSystem
HardwareLayer
File System
Applications
OperatingSystem
HardwareLayer
File System
Any IP Network
Double-Take Replication ModelDouble-Take Replication Model
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HardwareLayer
OperatingSystem
File System
VMWare Server Microsoft Virtual Server
FS1 SQL LINUXApplications
D:\VMs\FS2-SYSTEMDRIVE.VHD
D:\VMs\FS1-SYSTEMDRIVE.VMDK
Replicating from the Host OSReplicating from the Host OS
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HardwareLayer
OperatingSystem
File System
VMWare Server Microsoft Virtual Server
FS1 SQL LINUXApplications
REPLICATED
Any IP Network
D:\VMs\FS2-SYSTEMDRIVE.VHD
D:\VMs\FS1-SYSTEMDRIVE.VMDK
Replicating from the Host OSReplicating from the Host OS
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HardwareLayer
OperatingSystem
File System
FS1 SQLVirtual Machines
Microsoft Virtual Server, VMware Server/ESX Server
FS2
Replicating from the Guest OSReplicating from the Guest OS
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HardwareLayer
OperatingSystem
File System
FS1 SQL
Virtual Machines REPLICATED
Microsoft Virtual Server, VMware Server/ESX Server
FS2
Replicating from the Guest OSReplicating from the Guest OS
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DR/HA for Virtual HostsDR/HA for Virtual Hosts
• Virtual hosts have a high protection need– “All Your Eggs In One Basket”– Multiple critical workloads on the same server
• Disaster Recovery for virtual machines– Real-time replication of virtual machine data– Use DR data to rebuild virtual machines
• Replicate from within the virtual machine
• Replicate from the virtual host server
• High Availability for virtual machines– Real-time replication of virtual machine data– Monitoring/Failover of the virtual host server
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Many-to-One Disaster RecoveryMany-to-One Disaster Recovery
FS1
SQL
FS2
WWW
WAN
VS, GSX, ESX VMs
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DR/HA for Virtual HostsDR/HA for Virtual Hosts
HA and DR solutions Full failover capabilities for all virtual sessions
LAN & WAN support for regional DR protection Lower TCO with minimized hardware requirements
FS1
SQL
FS2
WWW
WAN
FS1
SQL
FS2
WWW
VS, GSX, ESX VMs VS, GSX, ESX VMs
MAIL MAIL
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Virtualized TargetVirtualized Target
• Single physical target server– Lower costs, easier management
• Full Double-Take capabilities– High/Remote Availability, Disaster Recovery– LAN/WAN support– Monitoring and Failover– Enterprise Management
• Centralized Backup– Improved protection/availability of remote data
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Virtual Target – Lower TCOVirtual Target – Lower TCO
FS1
SQL
FS2
WWW
FS1
SQL
FS2
WWW
VS, GSX, ESX VMs
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Virtual Target – Hybrid ScenarioVirtual Target – Hybrid Scenario
FS1
SQL
FS2
WWW
FS1
SQL
FS2
WWW
VS, GSX, ESX VMs
VS, GSX, ESX VMs
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“We have 25 Windows servers including 5 SQL servers in production in San Francisco, replicating with Double-Take to a VMware server in New York.
I can’t imagine how we could have implemented anything else as effective for disaster recovery.
Double-Take and VMware are true solution providers, not just software companies. Our executives demanded the best in disaster protection for our organization.
This combination was it.”
Kenny TamNetwork Manager
Shorenstein Realty Services, LP
Customer - “Virtualized Target for DR”Customer - “Virtualized Target for DR”
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“Currently, we have nine production servers replicating data to four ESX hosted virtual servers for disaster recovery purposes.
Utilizing Double-Take in conjunction with VMware enabled us to consolidate our disaster recovery environment and ensure a cost-effective approach to protecting our systems and data.”
Thad DarcyUser Support Specialist
Massachusetts Housing Financing Agency
Customer - “Virtualized Target for DR”Customer - “Virtualized Target for DR”
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“The performance of Double-Take has enabled us to go about business as usual so that system outages – if they occur – are essentially transparent to the students and faculty who use our online platform. If a primary server goes down in Boston, we now have the capability to minimize the disruption to seconds.
Double-Take provides a much needed buffer for our small IT staff.”
Dr. Praneeth MachettiraOnline Technical Director
Suffolk University Business School
Customer – “Protect Production VMs"Customer – “Protect Production VMs"
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Q&ATo request a demo or for more information:To request a demo or for more information:
http://www.doubletake.comhttp://www.doubletake.com