leading edge solutions, proven technologies
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Leading Edge Solutions, Proven Technologies. Anne-Elisabeth Caillot Pre-Sales & Business Development [email protected] +33(0)1 47 77 15 11 +33(0)6 70 93 71 15. Core Protection Products. Hardware-Independent failover. Full-Server or Data-Only protection. - PowerPoint PPT PresentationTRANSCRIPT
Leaders Have Vision™ visionsolutions.com 1
Leading Edge Solutions,Proven Technologies
Anne-Elisabeth CaillotPre-Sales & Business Development
[email protected]+33(0)1 47 77 15 11+33(0)6 70 93 71 15
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Core Protection Products
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Hardware-Independent failover
Full-Server or Data-Only protection
Windows and Linux
Reporting and Alerting
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SiteHypervisorServer
What do I want to protect?
ServiceData
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Basic Double-Take Configuration
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7 www.doubletake.com
How Double-Take Replication Works
– Host level filter driver replication– Simplified management
• Auto discovery, guest level policies, & guest protection schema• One click failover and failover management
– Unlimited number of VMs
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How Double-Take Replication Works
OperatingSystem
HardwareLayer
File System
Any IP Network
Applications
OperatingSystem
Double-Take Filter
HardwareLayer
File System
Applications
Advantages : • Real Time Asynchronous
Replication,• Bandwidth optimization,• Intelligent compression,• Byte level replication,
• VSS snapshot integration• Data consistency with sequential
data transmission,
S.T.A.R : Sequential Transfer Asynchronous Replication
Double-Take Filter
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Hyper-V’s File-Based Data
• *.VHD – Files that hold all the data for a particular volume associated with a virtual machine.
• *.AVHD - When you take a snapshot of a virtual machine, its .VHD files are “frozen” and subsequent disk writes within the VM are instead stored in a .AVHD file.
• *.XML - Hyper-V stores a virtual machine’s configuration information in an industry-standard XML file.
• *.BIN and *.VSV - When you pause or take a snapshot of a running virtual machine, Hyper-V stores the contents of the virtual machine’s RAM in a .BIN file and information about the current state of the running virtual machine in a .VSV file.
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Mirroring (1/2)
Full MirrorCopies all of the directories and files in the replication set to the target machine. If a mirror has already been completed, another full mirror will overwrite the data on the target.
Difference MirrorCompares all files in the replication set on the source and their current state on the target
machine. The comparison is based on the date, time, and size of the file (DTS-Check). Changes can be transmitted on file or block level.
NEW: Use of the NTFS Change JournalThe difference mirror after a reboot of the source server only checks the changed files since Double-Take services stoped. This dramatically shortens the mirror times after a (planned) reboot!
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Queueing
Memory• 32-1024 MB (128 MB default)
HDD• Size depents on infrastructure (LAN/WAN, data
volume, etc)
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Double Take Monitoring
• IP ICMP or Heartbeat Monitoring on Host
• Detect Failure in Seconds or Minutes
• Failover Server Name and IP address• Failover DNS Records
Lan/Wan
Source Target
•Failover Alert integrated in SCVMM through ProTip integration
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Double-Take : Failover & Failback
IP-Failover DNS-Failover
Advantages :• Faster Failover• No DNS rights necessary
Disadvantages : • Not possible between different subnets
Advantages :• Online Restore / low Downtime• No subnet limits
Disadvantages :• DNS Rights required
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Host-Level Protection for Hyper-V
Hyper-VHost
VHD
VHD
VHD
VHD
VHD
VHD
Hyper-VHost
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Hyper-VHost
VHD
VHD
VHD
VHD
VHD
VHD
Hyper-VHost
VHDPhysical ServerHyper-V VRA
Double-Take for Hyper-V
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FS-System.vhd
FS-Data.vhd
EX-System.vhd
EX-Data.vhd
DB-System.vhd
DB-Data.vhd
C: System.vhd
DT-VRAFS-System
FS-Data
File Server
Exchange
Database
C:
E:
EX-System.vhd
EX-Data.vhd
DB-System.vhd
DB-Data.vhd
C: System.vhd
DT-VRA
FS-System.vhd
FS-Data.vhdFile Server
C:
E:EX-System
EX-Data
C:
E:
DB-System
DB-Data
C:
E:
Virtual Recovery Assistant
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Automatically provisioned VM
• No need to install VMs on the target• Offline VMs on target• No OS/Application licensing on the target
Hyper-V Environment
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Double-Take and Hyper-V Cluster
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Hyper-V (non-CSV) Cluster & DT Availability
Cluster-to-Cluster
Cluster-to-Stand-alone
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DT Availability for Hyper-V Cluster (non-CSV)
Live Migration over Geographical Distances: Replicate and failover Hyper-V virtual machines in real time over geographic distances quickly and easily
&
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GeoCluster Feature
• Extend MSCS clusters across any distance• Real-time, byte-level replication• Eliminate single point of disk failure• Support up to 8 node clusters
Replication
Traditional Cluster
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How GeoCluster Works
ReplicationReplication
GeoCluster nodes use separate disks, kept synchronized by real-time replication
Only the active node accesses its disks
At failover, the new active node resumes
with current, replicated data
Data is replicated to all passive nodes
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Double-Take provides continuous replication• Disaster recovery• Low network and server impact• Works over WAN
MSCS provides application “failover”• Key apps are HA aware using Cluster API• Standard API for 3rd party development • Application Level Monitoring and Failover
Best of two worlds…
Hyper-V and Geocluster
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Double Take and Microsoft clusters
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DT Availability for Hyper-V Cluster
And what works with CSV technology ??Double-Take Availability can protect Hyper-V with Cluster Shared Volume !!
Disk
VHD VHD VHD
SAN
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DT Availability to protect CSV cluster
Failover Monitoring
Replication
With CSV cluster technology, DT Availability is installed within each VMs and enables :- real-time replication for the full VM- manual or automatic failover
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Demonstration:Please wait for the demoenvironment to fully load.
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Thank you!