Virtualize Your Disaster! Remove the Disaster from “Disaster Recovery”


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Virtualize Your Disaster! Remove the Disaster from “Disaster Recovery”

  1. 1. Virtualize Your Disaster! Remove the Disaster from “Disaster Recovery”
  2. 2. Agenda <ul><li>Challenges of Traditional Disaster Recovery </li></ul><ul><li>Improving Disaster Recovery with VMware Virtualization </li></ul><ul><li>Impact of VMware Virtualization on Disaster Recovery </li></ul>
  3. 3. Defining Disaster Recovery <ul><li>What is a “disaster”? </li></ul><ul><ul><li>Extended outage that requires an organization to recover IT services at an alternate or rebuilt site </li></ul></ul><ul><li>What is not a disaster? </li></ul><ul><ul><li>Failure of an individual server </li></ul></ul><ul><ul><li>A short service interruption </li></ul></ul>Power failure Server failure Disk failure Fire Hurricane Storage failure Flood Network failure Earthquake
  4. 4. Requirements for Disaster Recovery Minimize Downtime 93% of companies that lost their data center for ten days or more due to a disaster filed for bankruptcy within one year of the disaster. --National Archives and Records Administration Control Cost Minimize Risk 73% of executives expressed concern with the costs associated with maintaining a secondary data centre --Beacon Technology Partners 92% of users surveyed acknowledged that their companies would face serious consequences if they had to implement their disaster recovery plans. --Dynamic Markets Ltd. Effective disaster recovery is a business imperative, but is very difficult to achieve
  5. 5. Current State of Physical Disaster Recovery <ul><li>Disaster recovery protection tiered according to business priorities </li></ul><ul><li>Recovery requirements continue to become more demanding </li></ul>Tier RPO RTO Cost I Immediate Immediate $$$ II 24+ hrs. 48+ hrs. $$ III 7+ days 5+ days $
  6. 6. Physical Server Protection <ul><li>Multiple elements to protect to ensure recoverability </li></ul><ul><li>Requires multiple technologies and processes </li></ul><ul><ul><li>System disk backups </li></ul></ul><ul><ul><li>Backups and/or replication for applications and data </li></ul></ul><ul><ul><li>Tracking of hardware configuration requirements </li></ul></ul>Storage Server Operating System Application Application installation Application configuration OS configuration OS customizations Hardware configuration Firmware level & settings System disk Application data
  7. 7. Disaster Recovery for Physical Infrastructure <ul><li>Fastest, easiest recovery requires duplicate datacenter </li></ul><ul><ul><li>Servers </li></ul></ul><ul><ul><li>Rack space </li></ul></ul><ul><ul><li>Network infrastructure </li></ul></ul><ul><ul><li>Storage infrastructure </li></ul></ul><ul><ul><li>Power and cooling infrastructure </li></ul></ul><ul><li>Duplicating datacenter creates ongoing burdens </li></ul><ul><ul><li>Ongoing management to keep identical to production </li></ul></ul><ul><ul><li>Idle except for occasional tests </li></ul></ul>Production Recovery
  8. 8. Disaster Recovery Process for Physical Infrastructure Production Recovery <ul><li>Copy important data </li></ul><ul><ul><li>Hardware configuration </li></ul></ul><ul><ul><li>System disk </li></ul></ul><ul><ul><li>Application installation </li></ul></ul><ul><ul><li>Application data </li></ul></ul><ul><li>Transfer data to recovery site </li></ul><ul><ul><li>Backup tapes </li></ul></ul><ul><ul><li>CD’s/DVD’s </li></ul></ul><ul><ul><li>Images (e.g. Ghost) </li></ul></ul><ul><ul><li>Replication </li></ul></ul><ul><li>Start system and application recovery </li></ul><ul><ul><li>OS recovery </li></ul></ul><ul><ul><li>Configuration </li></ul></ul><ul><ul><li>Data recovery </li></ul></ul><ul><ul><li>Testing </li></ul></ul>WAN
  9. 9. Complications of Physical Recovery <ul><li>Variety of information and data to protect </li></ul><ul><ul><li>Separate processes for system and data disks </li></ul></ul><ul><ul><li>No easy way to track server configuration </li></ul></ul><ul><ul><li>Tapes can be misplaced, mislabeled, or corrupted </li></ul></ul><ul><li>Complex recovery process </li></ul><ul><ul><li>Bare metal recovery procedures </li></ul></ul><ul><ul><li>Failed recoveries due to hardware dependencies </li></ul></ul><ul><ul><li>Many manual steps prone to user errors </li></ul></ul><ul><li>Inability to test recovery sufficiently </li></ul><ul><ul><li>Additional infrastructure </li></ul></ul><ul><ul><li>Disruption to operations </li></ul></ul>Recovery
  10. 10. Challenges of Disaster Recovery <ul><li>Minimize downtime </li></ul><ul><li>Reduce risk </li></ul><ul><li>Control cost </li></ul><ul><ul><li>Many manual processes for recovery </li></ul></ul><ul><ul><li>Multiple steps to overcome hardware differences </li></ul></ul><ul><ul><li>Incomplete or out-of-date runbooks </li></ul></ul><ul><ul><li>Testing requires additional hardware and infrastructure </li></ul></ul><ul><ul><li>Usually only data is regularly and cleanly updated </li></ul></ul><ul><ul><li>Frequent failures during recovery </li></ul></ul><ul><ul><li>Simplest recovery requires identical hardware </li></ul></ul><ul><ul><li>Idle recovery hardware is impossible to repurpose </li></ul></ul><ul><ul><li>Multiple third-party products necessary for recovery </li></ul></ul>
  11. 11. Agenda <ul><li>Challenges of Traditional Disaster Recovery </li></ul><ul><li>Improving Disaster Recovery with VMware Virtualization </li></ul><ul><ul><li>Properties of virtualization </li></ul></ul><ul><ul><li>Data protection with virtualization </li></ul></ul><ul><ul><li>Disaster recovery automation </li></ul></ul><ul><li>Impact of VMware Virtualization on Disaster Recovery </li></ul>
  12. 12. VMware Vision for Disaster Recovery Rapid <ul><li>Automate recovery process </li></ul><ul><li>Eliminate failures due to hardware dependencies </li></ul><ul><li>Integrate different components of recovery </li></ul>Reliable <ul><li>Enable easier, more frequent testing </li></ul><ul><li>Turn manual, inconsistent processes into pre-programmed, repeatable processes </li></ul>Manageable <ul><li>Centralize and simplify management of recovery plans </li></ul><ul><li>Make disaster recovery protection a property of virtual infrastructure </li></ul>Affordable <ul><li>Eliminate idle recovery hardware </li></ul><ul><li>Eliminate dependencies on physical infrastructure </li></ul>
  13. 13. Virtualization Eliminates Hardware Dependencies Copyright © 2006 VMware, Inc. All rights reserved. <ul><li>OS in virtual machine sees “virtual hardware” (CPU, SCSI disk, memory, network) </li></ul><ul><li>Virtualization layer maps virtual hardware to physical hardware </li></ul><ul><li>Virtual hardware remains identical regardless of physical hardware </li></ul>Virtual machines are hardware independent and can run on any server without modification Physical Hardware Virtual Machine Virtualization Layer OS Virtual Machine OS
  14. 14. Virtualization Turns Systems into Data Copyright © 2006 VMware, Inc. All rights reserved. <ul><li>Everything about a system stored in small number of files </li></ul><ul><li>Simplifies copying and cloning of systems </li></ul><ul><li>Simplifies provisioning systems for recovery and recovery testing </li></ul>Virtual machines encapsulate and entire system in a few files on disk System Apps = files on disk Data Virtual Machine Physical Server
  15. 15. Virtualized Server Protection <ul><li>Everything needed to recover a virtual machine is stored in a few files in a single folder on disk </li></ul><ul><ul><li>Hardware configuration (.vmx) </li></ul></ul><ul><ul><li>Firmware settings (.nvram) </li></ul></ul><ul><ul><li>Operating system install (.vmdk) </li></ul></ul><ul><ul><li>Application install (.vmdk) </li></ul></ul><ul><ul><li>Application data (.vmdk) </li></ul></ul><ul><li>Standard backup and replication tools can be used to protect virtual machines </li></ul>Virtual Machines VMFS Virtual Machine Servers ESX ESX ESX ESX
  16. 16. Data Protection Options for Virtual Machines <ul><li>Virtual machine backup </li></ul><ul><ul><li>File and image backup </li></ul></ul><ul><ul><li>Useful for non-production and many production virtual machines </li></ul></ul><ul><ul><li>Slowest recovery time </li></ul></ul><ul><li>Server-based replication </li></ul><ul><ul><li>Granular replication </li></ul></ul><ul><ul><li>Often OS-dependent </li></ul></ul><ul><ul><li>Processing overhead on server </li></ul></ul><ul><li>Array-based replication </li></ul><ul><ul><li>Minimal overhead on server </li></ul></ul><ul><ul><li>LUN-level granularity </li></ul></ul>Storage Servers Virtual Machines ESX ESX ESX Server-based replication Array-based replication Virtual machine backups
  17. 17. Backup for Virtual Machines <ul><li>Hardware-independent backup and restore </li></ul><ul><ul><li>No bare metal recovery or operating system reinstall required </li></ul></ul><ul><li>Simplified backup of system state, boot disk, and data disks </li></ul><ul><ul><li>No need for separate tools and procedures </li></ul></ul><ul><li>Non-disruptive backup via Consolidated Backup interface </li></ul><ul><ul><li>Image and file-level backup </li></ul></ul><ul><ul><li>Minimizes backup load on ESX and network </li></ul></ul><ul><ul><li>Integrated with leading 3 rd -party backup products </li></ul></ul>Backup Mount Snap Snap Storage ESX server Backup Server
  18. 18. Virtualized Recovery Infrastructure <ul><li>Servers running VMware Infrastructure as recovery targets </li></ul><ul><ul><li>Can recover a VM to any VMware Infrastructure edition </li></ul></ul><ul><li>Virtual machine image </li></ul><ul><ul><li>VMware Converter to create virtual machine images of physical systems </li></ul></ul><ul><ul><li>Backup or replication software to create copies of virtual machines </li></ul></ul>Virtual Machines ESX ESX Recovery Production Converter ESX
  19. 19. VMware Virtualization Simplifies Infrastructure Requirements <ul><li>Eliminate need for identical infrastructure for recovery </li></ul><ul><ul><li>VMware Infrastructure provides hardware-independent recovery </li></ul></ul><ul><ul><li>Reduces ongoing management burden of recovery site </li></ul></ul><ul><li>Reduce infrastructure requirements </li></ul><ul><ul><li>Consolidate production and recovery servers </li></ul></ul><ul><ul><li>Waterfall servers from production to recovery </li></ul></ul>VMware Production VMware Recovery
  20. 20. Simplifying the Disaster Recovery Process <ul><li>Eliminate recovery steps </li></ul><ul><ul><li>No operating system re-install or bare-metal recovery </li></ul></ul><ul><ul><li>No time spent reconfiguring hardware </li></ul></ul><ul><li>Standardize recovery process </li></ul><ul><ul><li>Consistent process independent of operating system and hardware </li></ul></ul>Configure hardware Install OS Configure OS Install backup agent Start “Single-step automatic recovery” Restore VM Physical Virtual 40+ hrs < 4 hrs Power on VM
  21. 21. Simpler Disaster Recovery Testing with Virtualization <ul><li>Snapshot and clone replicated data to create testing VM’s </li></ul><ul><li>Connect test VM’s to an isolated network </li></ul><ul><li>Power up testing VM’s to validate recovery </li></ul><ul><li>Delete VM clones used for testing </li></ul>SAN Recovery Site Data. OS Application Powered On DR VMs Live DR Test DR Replicated Data Snapshot Target VMFS OS.image Appln.image Data.image 15 GHz 9 GHz
  22. 22. <ul><ul><li>Simplifies and automates disaster recovery workflows: </li></ul></ul><ul><ul><ul><li>Setup, testing, failover </li></ul></ul></ul><ul><ul><li>Turns manual recovery runbooks into automated recovery plans </li></ul></ul><ul><ul><li>Provides central management of recovery plans from VirtualCenter </li></ul></ul>Automating the Disaster Recovery Process <ul><ul><li>Works with VMware Infrastructure to make disaster recovery rapid, reliable, manageable, affordable </li></ul></ul>Site Recovery Manager provides management and automation of the disaster recovery process for virtual machines
  23. 23. Site Recovery Manager Key Components Storage Servers VMware Infrastructure Virtual Machines VirtualCenter Site Recovery Manager Storage Servers VMware Infrastructure Virtual Machines VirtualCenter Site Recovery Manager <ul><li>Site Recovery Manager </li></ul><ul><ul><li>Manages and monitors recovery plans </li></ul></ul><ul><ul><li>Tightly integrated with VirtualCenter </li></ul></ul><ul><li>Storage Partner Replication </li></ul><ul><ul><li>Integrated via replication adapters created, certified and supported by replication vendor </li></ul></ul>Partner Replication <ul><li>VMware Infrastructure </li></ul><ul><ul><li>Requires ESX server 3.0.2, ESX 3.5 U1 or later </li></ul></ul><ul><ul><li>Requires VirtualCenter 2.5 U1 or later </li></ul></ul><ul><li>Storage </li></ul><ul><ul><li>iSCSI or FibreChannel storage </li></ul></ul>
  24. 24. Disaster Recovery Setup <ul><li>Integrate with replication </li></ul><ul><ul><ul><li>Identify which virtual machines are protected by replication configuration </li></ul></ul></ul><ul><li>Map recovery resources </li></ul><ul><ul><ul><li>Server resources, network resources, management objects </li></ul></ul></ul><ul><li>Create recovery plans </li></ul><ul><ul><ul><li>For virtual machines, applications, business units </li></ul></ul></ul><ul><ul><ul><li>Convert manual runbook to pre-programmed response </li></ul></ul></ul><ul><ul><ul><li>Customizable with scripting and callouts </li></ul></ul></ul>
  25. 25. Testing <ul><li>Replication Management </li></ul><ul><ul><ul><li>Snapshot replicated LUNs before test </li></ul></ul></ul><ul><ul><ul><li>Delete snapshots of replicated LUNs after test </li></ul></ul></ul><ul><li>Network Management </li></ul><ul><ul><ul><li>Change all virtual machines to a test port group before powering them on </li></ul></ul></ul><ul><li>Customization/extensibility </li></ul><ul><ul><ul><li>Same breakpoints and callouts as failover sequence </li></ul></ul></ul><ul><ul><ul><li>Extra breakpoints and callouts around the test bubble </li></ul></ul></ul>
  26. 26. Failover Automation <ul><li>Detect site failures </li></ul><ul><ul><ul><li>Raise alert when heartbeat lost </li></ul></ul></ul><ul><li>Initiate failover </li></ul><ul><ul><ul><li>User confirmation of outage </li></ul></ul></ul><ul><ul><ul><li>Granular failover initiation </li></ul></ul></ul><ul><li>Manage replication failover </li></ul><ul><ul><ul><li>Break replication </li></ul></ul></ul><ul><ul><ul><li>Make replica visible to recovery hosts </li></ul></ul></ul><ul><li>Execute recovery process </li></ul><ul><ul><ul><li>Use pre-programmed plan </li></ul></ul></ul><ul><ul><ul><li>Provide visibility into progress </li></ul></ul></ul>
  27. 27. Agenda <ul><li>Challenges of Traditional Disaster Recovery </li></ul><ul><li>Improving Disaster Recovery with VMware Virtualization </li></ul><ul><li>Impact of VMware Virtualization on Disaster Recovery </li></ul>
  28. 28. Hancock Bank: Before Virtualization Production Datacenter DB HR App App DR Hosting Provider Site DB HR App App Backup data <ul><li>Unknown hardware makes and models </li></ul><ul><li>Recovery time unable to meet requirements </li></ul><ul><li>Failing back to primary site takes months </li></ul>
  29. 29. Hancock Bank: With Virtualization Production Datacenter DR Hosting Provider DB HR App App <ul><li>Recovery to any hardware </li></ul><ul><li>Recovery time within 24 hour objective </li></ul><ul><li>Failback takes days, not months </li></ul>Image and data backups DB HR App App “ Without VMware Infrastructure, it would have taken us weeks to recover our critical systems when Hurricane Katrina hit our datacenter. VMware Infrastructure enabled us to get our critical systems up and running within 24 hours.” -- Scott Fontenette, Hancock Bank
  30. 30. VMware Impact on Disaster Recovery <ul><li>Expand disaster recovery protection </li></ul><ul><ul><li>Minimize the cost and complexity of disaster recovery </li></ul></ul><ul><li>Reduce time to recovery </li></ul><ul><ul><li>Single button kicks off recovery process </li></ul></ul><ul><li>Increase reliability of recovery </li></ul><ul><ul><li>Automation ensures repeatable recovery </li></ul></ul><ul><ul><li>Hardware independence eliminates failures due to different hardware </li></ul></ul><ul><ul><li>Easier testing based off of actual failover sequence allows more frequent and more realistic tests </li></ul></ul>
  31. 31. Next Steps <ul><li>Learn more </li></ul><ul><ul><li>Read more about VMware Business Continuity Solutions at http:// /solutions/continuity/ </li></ul></ul><ul><ul><li>Find more business continuity customer case studies at http:// </li></ul></ul><ul><ul><li>Start your evaluation </li></ul></ul><ul><ul><li>VMware and partners can help you evaluate VMware software </li></ul></ul>