Vision dt solutions vmug leeds

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Protecting Physical and Virtual Machines with Double-Take Virtual Recovery Assistant
by Andy Ebbs

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Vision dt solutions vmug leeds

  1. 1. Protecting Physical and Virtual Machines with Double-Take Virtual Recovery Assistant Andy Ebbs Solution Architect andy.ebbs@visionsolutions.com +44 1905 728 023 +44 7917 326 602Leaders Have Vision™ visionsolutions.com 1
  2. 2. WHO IS DOUBLE-TAKE SOFTWARE? Since 2010 part of VISION SOLUTIONS Founded 1991 as NSI Software HQ in Irvine, California Focused on - High Availability - Disaster Recovery - Server Migration - Systems Management Worldwide 700 Employees (80 EMEA) 20.000 Customer with 190.000 Installations Partnership with Microsoft, VMware, Dell, HP... 24/7 SupportLeaders Have Vision™ visionsolutions.com 2
  3. 3. Core Protection ProductsLeaders Have Vision™ visionsolutions.com 3
  4. 4. Physical. Virtual. Cloud. Cloud Physical Virtual Solutions for availability, backup and migration in physical, virtual, and cloud environmentsLeaders Have Vision™ visionsolutions.com 4
  5. 5. DOUBLE - TAKE SOFTWARE Solutions Replicate anything to anything (hardware, application, hypervisor independent) Replicate anywhere to anywhere (unlimited distance, very low bandwidth consumption) Restart production in less than few minutes // Restore Full Server or single Object // Hardware migrationLeaders Have Vision™ visionsolutions.com 5
  6. 6. Leaders Have Vision™ visionsolutions.com 6
  7. 7. Technologies to make Availability Work • Real-time Replication – Data consistency – Hardware & application independent – Designed for WAN useLeaders Have Vision™ visionsolutions.com 7
  8. 8. HOW DOES IT WORK? User application Double-Take Application Double-Take Application service layer service layer Double-Take Double-Take driver driver Operating Operating system An initial mirror copies all system of the data to the target HDD HDD Hardware Hardware layer layerLeaders Have Vision™ visionsolutions.com 9
  9. 9. HOW DOES IT WORK? User application Double-Take Application Double-Take Application service layer service layer Double-Take Double-Take driver driver Operating Operating system system The Double-Take As confirmation of the driver sees bytes of I/O write travels back to the en route to the file application, Double-Take HDD system and copies HDD Hardware  then sends the bytes to Hardware layer them into memory layer the targetLeaders Have Vision™ visionsolutions.com 10
  10. 10. HOW DOES IT WORK? User application Double-Take Application Double-Take Application service layer service layer Double-Take Double-Take driver driver Operating Operating system system During high-latency If configurable memory periods, Double-Take Disk will bufferare exceeded, buffers changes to Queue Double-Take will buffer memory HDD to disk for additional HDD Hardware latency tolerance Hardware layer layerLeaders Have Vision™ visionsolutions.com 11
  11. 11. HOW DOES IT WORK? User application Double-Take Application Double-Take Application service layer service layer Double-Take Double-Take driver driver Operating Operating system system Once latency improves, replication Disk resumes transmission, HDD Queue preserving write-order consistency HDD Hardware Hardware layer layerLeaders Have Vision™ visionsolutions.com 12
  12. 12. REPLICATION • STAR Technology (Sequential Transfer Asynchronous Replication) • All changes are transmitted on Byte-Level • Support of NTFS, FAT / EXT2/3/4, Reiser filesystems • Only change- and write operations are monitored • Granular selection of data (File/Folder/Partition, wildcard support) • Minimum performance loss on the source server • Live filesystem on target server • Multi-NIC support (dedicated replication NIC) • Three levels of intelligent data compression • Bandwidth managementLeaders Have Vision™ visionsolutions.com 13
  13. 13. Fits Any Environment Physical One-to-One Physical One-to-Many VM Failover Single Server Physical Many-to-One P2V FailoverLeaders Have Vision™ visionsolutions.com 14
  14. 14. Technologies to make Availability Work DATA Replication DATA‘ APP APP OS Monitor OS • Application Management – Exchange, SQL, SharePoint wizard configuration – Supports cluster protection and Geocluster solution – Failover and FailbackLeaders Have Vision™ visionsolutions.com 15
  15. 15. Technologies to make Availability Work DATA DATA‘ Replication APP APP‘ OS Monitor OS‘ OS • Full Server Protection – OS + Application + Data replication – No application and maintenance on target environment – Failover & FailbackLeaders Have Vision™ visionsolutions.com 16
  16. 16. FULL SERVER PROTECTION BES_01 BES_01 DR_01 Recovery Server Production Recovery Server Reboots and Server becomes identical Basic Windows file to source server server Staged information Staging overwrites system Directory configuration (non- hardware)Leaders Have Vision™ visionsolutions.com 17
  17. 17. Technologies to make Availability Work • Server portability & On demand DRP – Protect entire Windows servers and failover to any platform – Dissimilar hardware support – ESX or Hyper-V VMs auto- provisioning – Efficient replication enables remote VM availability – P2P, P2V, V2P, V2V …Leaders Have Vision™ visionsolutions.com 18
  18. 18. VIRTUAL RECOVERY ASSISTANT Source 1 VRA Helper Drive C Replication Source1_Replica (offline) Drive D Source 2 source_c.vmdk Monitor source_d.vmdk Source2_Replica - Online (offline) Drive c ESX / Hyper-V Target VM is automatically provisioned source2_c.vmdk Real-time Replication No OS/Application licensing on target Supports Windows 2003-2008 R2 sources Hyper-V or ESXLeaders Have Vision™ visionsolutions.com 19
  19. 19. MIXED PROTECTION – Physical & Virtual Replication VRA Helper VRA Helper Monitor Source1_Replica (offline) Source1_Replica - Online source_c.vmdk source_c.vmdk source_d.vmdk source_d.vmdk Source2_Replica (offline) Source2_Replica - Online ESX / Hyper-V ESX / Hyper-V source2_c.vmdk source2_c.vmdk Source3_Replica (offline) Source 3 Replication source3_c.vmdk Monitor Drive cLeaders Have Vision™ visionsolutions.com 20
  20. 20. Technologies to make Availability Work • Host-Level Protection – Hyper-V host protection with real-time replication • Add remote availability to a Hyper-V HA cluster • Crossed Hyper-V High- Availability – ESX host protection with • Host level management • Guest installationLeaders Have Vision™ visionsolutions.com 21
  21. 21. HOST-LEVEL Hyper-V Replication Monitor Replication of the complete VM OS & hardware Independent No software installation within the VM Support of Microsoft Hyper-V (incl. core edition) NEW: Support of Hyper-V Cluster-to-StandaloneLeaders Have Vision™ visionsolutions.com 22
  22. 22. HOST-LEVEL ESX Double-Take Service vCenter Replication Monitor Snapshot based replication of the complete VM OS & hardware Independent No software installation within the VM Support of VMware ESX (no ESXi)Leaders Have Vision™ visionsolutions.com 23
  23. 23. Windows & Linux ComparisonLeaders Have Vision™ visionsolutions.com 24
  24. 24. Leaders Have Vision™ visionsolutions.com 25
  25. 25. Virtual Recovery Appliance Virtual Recovery Appliance Windows Server ESX Host Windows_Replica Linux Server Linux_ReplicaLeaders Have Vision™ visionsolutions.com 26
  26. 26. Q&ALeaders Have Vision™ visionsolutions.com 27
  27. 27. Thank you!Leaders Have Vision™ visionsolutions.com 28

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