Transcription
HA/DR of Physical and VirtualEnvironments Using VMwareESX Server and Double-Takefor Virtual SystemsBob RoudebushDouble-Take Software, Inc.
Virtualization Use CasesServer Consolidation and Containment – Eliminate serversprawl by deploying systems into virtual machines that can runsafely and move transparently across shared hardwareTest and Development – Rapidly provision and re-provisiontest and development servers; store libraries of pre-configuredtest machinesBusiness Continuity – Reduce the cost and complexity ofbusiness continuity by encapsulating entire systems into singlefiles that can be replicated and restored onto any target serverEnterprise Desktop – Secure unmanaged PCs withoutcompromising end user autonomy by layering a security policy insoftware around desktop virtual machines
Disaster Recovery ChallengesCostAdditional hardwareAdditional tools and trainingComplexityManagement and provisioningLock-step hardware and software upgradesReliabilityComplex solutions are hard to testRequires specialized training for personnel
Virtualization - Benefits Hardware independence Hardware pooling/oversubscription Single Step Recovery Faster recovery Hardware availability Simplified process
Using Virtualization for DRConfigureHardwareRebuild OSRestore VMConfigurationConfigure OSfor NewHardwareInstall BackupAgentRecover fromTape/DiskRecover fromTape/Disk
Virtualization – SolutionsVMotionVMware HAClustering Solutions but that’s why we’re all here, right?
Synchronous ReplicationPrimary Data CenterDisaster Recovery Site
What’s Special About ReplicatingVirtual Machines?
Replicating from the HostApplicationsFS1OperatingSystemFile SystemHardwareLayerSQLLINUXVMware tionNTFS file system containing.vmdk and .vmc files
Replicating from the GuestVirtualMachinesOperatingSystemFile SystemHardwareLayerREPLICATEDFS1SQLFS2MAIL
Scenario 1: Virtual Machine ProtectionWho: Customers who have adopted VMware virtualization technology inproduction for server consolidation, etc.What: These customers need to protect their virtual machines – “All TheEggs In One Basket”How: Leverage real-time replication and failover for virtualmachine environmentsDisaster Recovery for virtual machines Real-time replication of virtual machine data Use DR data to rebuild virtual machinesHigh Availability for virtual machines Real-time replication of virtual machine data
Virtual Machine DR with High stem.vmdkWWWDRWw3-data.vmdkw3-data.vmdk
V2V Disaster Recovery taVolumeVirtualSystemDiskDataVolumeVMFS VolumesVMFS VolumesPrimary SiteDisaster Recovery Site1. Using any file copy technology, copy the virtual system disks to DRsite periodically2. Doubletake Software continuously replicates the data between the VMs3. When disaster strikes the DR site takes over as primary: No extraconfig needed
Disaster Recovery for ESX WWWw3-system.vmdkw3-data.vmdkw3-data.vmdk
Scenario 2: Virtualized Disaster RecoveryWho: Customers who have physical servers and need a cost-effectiveDR solutionWhat: These customers need to protect their business-critical systemsin a cost-effective but reliable wayHow: Replicate data in real-time from physical servers to virtualmachines and failover in the event of a disasterSingle physical target server Lower costs, easier management
Scenario 2: Virtualized DRFS1FS1MAILMAILFS2FS2SQLSQLWWWWWW
Scenario 3: Physical to MigrationWho: Customers who have physical servers and need a way to doreal-time migration from physical to virtual machines running on ESXWhat: These customers need a way to migration to virtual machineswith minimal downtimeHow: Double-Take for Virtual Systems can replicate data in real-timefrom physical servers directly into VMDK files on ESX serversReplicates OS, applications, dataUsing P2V Assistant from VMware, requires minimal intervention tomodify replicated “image” for use on ESX
ESX P2V DR / dkWWWw3-data.vmdk
DEMONSTRATION:Physical to Virtual Disaster Recovery
Questions & Answers
Appendix – Extra Slides
VMotion TechnologyVMotion technology lets you move live, running virtualmachines from one host to another while maintainingcontinuous service availability.
VMware Consolidated BackupCentralized file level backup enables easy, reliable data protectionWhat is it?Centralized agentless backupfor virtual machinesCentralizedData Mover Move backup out of thevirtual machine Eliminate backup traffic onthe local area networkPre-integrated with major 3rdparty backup productsCustomer ImpactPerform backup in the middleof the day
Evaluating Protection OptionsRecovery Point ObjectiveHow much data can you afford to lose?Recovery Time ObjectiveHow long will it take to recover?Protection scenariosIndividual server failure Is tape backup good enough?Site-wide disaster Natural disaster, power outage, etc. How do you get your data out of the building?
Data ProtectionTraditional BackupPoor RTO/RPOComplex, error-proneSynchronous ReplicationTypically very expensiveHardware-specific solutions limitflexibilityDistance limitations eliminate it as acandidate for Disaster RecoveryAsynchronous ReplicationBest balance between cost andRPO/RTO?“Less than 5% of thedata stored in theenterprise requiressynchronousprotection.”- Gartner Group
VMware Response to Various Outage Types63% of VMware customers use VMware Infrastructure for business continuityOutage TypeVMware Technology Response1Unplanned OS/app failureSDK monitoring and restart of VM2Unplanned server HW or OS/appfailureIn-VM cluster support3Planned OS or appIn-VM cluster support45678Unplanned NIC failureUnplanned storage path failureUser deletes critical filesUnplanned storageUnplanned serverNIC teamingStorage multipathingVMware Consolidated Backup (file level)VMware Consolidated Backup (image level)VMware HADistributed Resource Scheduler, Resource Groups,9Performance BottleneckDynamic reallocation of shares, VMotion10Planned server, component or ESXServer OS upgradeDistributed Resource Scheduler – maintenance mode, VMotionEnabled by HW independence, encapsulation and either11Unplanned site Thirdparty replication VMwareConsolidated Backup (image level)
Presentation DownloadPlease remember to complete yoursession evaluation formand return it to the room monitorsas you exit the sessionThe presentation for this session can be downloaded r the following to download (case-sensitive):Username: cbv repPassword: cbvfor9v9r
How: Double-Take for Virtual Systems can replicate data in real-time from physical servers directly into VMDK files on ESX servers Replicates OS, applications, data Using P2V Assistant from VMware, requires minimal
