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![Page 1: © 2009 VMware Inc. All rights reserved vCenter Site Recovery Manager 5 How to achieve the simplest and most reliable disaster protection for all your applications.](https://reader038.fdocuments.in/reader038/viewer/2022110320/56649c905503460f94949e36/html5/thumbnails/1.jpg)
© 2009 VMware Inc. All rights reserved
vCenter Site Recovery Manager 5
How to achieve the simplest and most reliable disaster protection for all your applications
![Page 2: © 2009 VMware Inc. All rights reserved vCenter Site Recovery Manager 5 How to achieve the simplest and most reliable disaster protection for all your applications.](https://reader038.fdocuments.in/reader038/viewer/2022110320/56649c905503460f94949e36/html5/thumbnails/2.jpg)
2 Confidential
Agenda
Introducing vCenter Site Recover Manager 5.0
What’s New In Site Recovery Manager 5.0
SRM Architecture & Workflows vSphere Replication
Running DR Drills & Testing with SRM 5
SRM Recovery & Planned Migration
SRM Advanced Settings
SRM Editions & Licensing
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3 Confidential
Tradeoffs Of Traditional Business Continuity Solutions
Middleware / Java
Oracle RAC
Oracle DataGuard DB Mirroring
MS Clustering
DB Access Groups
CCR / SCR
App Server Cluster
Session State Replication
Backup Data replication
Application-level availability silos:Complex and expensive
Data protection services:Longer RTOs and RPOs
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4 Confidential
VMware Improves Business Continuity At All Levels
Local Availability
vSphere High Availability
vSphere Fault Tolerance
vMotion and Storage vMotion
Data Protection
vSphere Data Recovery
Storage APIs for Data Protection
Local Site Failover Site
Disaster Recovery
vCenter Site Recovery Manager
Includes vSphere Replication
Newin 2011
Improved in 2011
Improved in 2011
vSphere vSpherevSphere vSphere vSphere
Improved in 2011
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5
Challenges of Traditional Disaster Recovery
ExpensiveComplex
Recovery Plans
?
?
?
??
??
?
Unreliable Failovers
Apps
Hosts
Storage
Network
Software
Hosts
Storage
Facilities
>$10K per app
Failure to meet business requirements• Long RTOs – days to weeks• Too much time and resources consumed=
+ +
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vSphere Provides The Best Foundation For Disaster Recovery
Flexible Infrastructure• Eliminate need for identical hardware across
sites• Enable waterfalling of equipment to recovery site
Simple Application Protection• Entire system – including application, OS,
and data – is stored as virtual machine files• Entire system can be protected with data
protection tools
Cost-Efficient Infrastructure• Reduced hardware requirements at recovery
site• Use recovery hardware to run low-priority apps
Encapsulation
Consolidation
HardwareIndependence
vSphere
vSphere vSphere
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7
Simple and Reliable DR with vSphere and SRM
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vCenter Site Recovery Manager Ensures Simple, Reliable DR
Provide cost-efficient replication• Built-in vSphere Replication• Broad support for storage-based replication
Simplify management of recovery and migration plans• Replace manual runbooks with centralized
recovery plans• From weeks to minutes to set up new plan
Automate failover and migration processes• Enable frequent non-disruptive testing• Ensure automated failover and migration• Automate failback processes
Site Recovery Manager Complements vSphere to provide the simplest and most reliable disaster protection and site migration for all applications
VMware vSphere
VMwarevCenter Server
Site RecoveryManager
VMwarevCenter Server
Site RecoveryManager
VMware vSphere
Site A (Primary) Site B (Recovery)
Servers Servers
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What’s New In Site Recovery Manager 5.0?
Automated failback
Planned migration
Expand DR coverage to Tier 2 apps and smaller sites
Streamline planned migrations(for disaster avoidance, planned maintenance, …)
vSphere Replication
Others More granular control
over VM startup order Protection-side APIs IPv6 support
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Key Components Of SRM 5
Storage
Servers
VMware vSphere
vCenter ServerSite
Recovery Manager
Virtual Machines
Site Recovery Manager• Manages recovery plans
• Automates failovers and failbacks
• Tightly integrated with vCenter and replication
Storage-Based Replication (3rd party)• Provided by replication vendor• Integrated via replication adapters created,
certified and supported by replication vendor
vSphere Replication• Bundled with SRM
• Replicates virtual machines between vSphere clusters
Choice of replication options
Required at both protected and recovery sites
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SRM Provides Broad Choice of Replication Options
vSphere Replication Simple, cost-efficient replication for Tier 2 applications and smaller sites
Storage-based ReplicationHigh-performance replication for business-critical applications in larger sites
vCenter ServerSite
Recovery Manager
vSphere
vCenter ServerSite
Recovery Manager
vSpherevSphere
Replication
Storage-based replication
Site A (Primary) Site B (Recovery)
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vSphere Replication Complements Storage-Based Replication
ReplicationProvider Cost Management Performance
vSphere Replication
VMware
• Low-end storage supported
• No additional replication software
• VM’ granularity• Managed directly
in vCenter
• 15 min RPOs• Scales to 500 VMs• File-level
consistency• No automated
failback, FT, linked clones, physical RDM
Storage-based Replication
• Higher-end replicating storage
• Additional replication software
• LUN – VM layout• Storage team
coordination
• Synchronous replication
• High data volumes• Application
consistency possible
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Planned Migrations For App Consistency & No Data Loss
Overview
Benefits
Two workflows can be applied to recovery plans: DR failover Planned migration
Planned migration ensures application consistency and no data-loss during migration Graceful shutdown of production VMs in
application consistent state Data sync to complete replication of VMs Recover fully replicated VMs
Better support for planned migrations
No loss of data during migration process
Recover ‘application-consistent’ VMs at recovery site
Planned Migration
Site BSite A
Replication
1 Shut down production VMs
2 Sync data, stop replication and present LUNs to vSphere
3 Recover app-consistent VMs
vSphere vSphere
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Simplify failback process Automate replication management Eliminate need to set up new recovery plan
Streamline frequent bi-directional migarations
Automated Failback To Streamline Bi-Directional Migrations
Re-protect VMs from Site B to Site A Reverse replication Apply reverse resource mapping
Automate failover from Site B to Site A Reverse original recovery plan
Restrictions Does not apply if Site A has undergone major
changes / been rebuilt Not available with vSphere Replication
Overview
Benefits
Automated Failback
Site BSite A
Reverse Replication
Reverse original recovery plan
vSphere vSphere
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Scalability
Maximum Enforced
Protected virtual machines total 1000 No
Protected virtual machines in a single protection group
500 No
Protection groups 150 No
Simultaneous running recovery plans 10 No
vSphere Replicated virtual machines 500 No
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SRM Architecture
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SRM Architecture
“Protected” Site “Recovery” Site
VRMS VRMS
vSphere Client
SRM Plug-In
vSphere Client
SRM Plug-In
VMFS StorageVMFS
DB DB
SRM ServerSRM Server
DB DB
vCenter Server vCenter Server
ESXESX
VMFS StorageVMFS
ESX ESXESX
VRA VRA VRA
VRS
DBDB
Replication
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Overall Solution Components
vCenter – must be 5.0 and licensed and running on each site
vSphere – must be 3.5 or later and running on each site
SRM Server – Requires a Windows 64 bit OS.
Storage Replication – must be on our compatibility list, and have the snapshot or clone technology licensed for SRM tests
SRA – Storage Replication Adapter is the connection between VMware and the storage environment
VRMS – vSphere Replication Management Server
VRA – vSphere Replication Agent
VRS – vSphere Replication Server
ESXi 5.0 – Mandatory for vSphere Replication
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Storage Array Integration
• Storage Replication Adapters (SRAs): Discover arrays
Determine which LUNs are replicated
Assist in initiating tests, recovery
New capabilities in SRAs for version 5.0 include
Reprotect
Synchronization
Planned Migration
SRM 5 will require new SRA’s
SRM Compatibility Matrix:http
://www.vmware.com/pdf/srm_storage_partners.pdf
SRM Server
SRA
Vendor Management Interface
Array Manager
Array Manager
Replication Manager
SRA
Vendor Management Interface
ArrayArray Array
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Storage Array Integration
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vSphere Replication
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ESXi
Recovery SiteProtected Site
ESXESXESXi
VSR Agent vSphere Replication
Server
Tightly Integrated With SRM, vCenter and ESX
Site Recovery Manager
Site Recovery Manager
vSphere Replication Management Server
vSphere Replication Management Server
Any storage supported by
vSphere
Any storage supported by
vSphere
vCenter Server vCenter Server
vSphere Replication Architecture
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vSphere Replication
Adding native replication to SRM
• Virtual machines can be replicated irrespective of underlying storage type
• Enables replication between heterogeneous datastores
• Replication is managed as a property of a virtual machine
• Efficient replication minimizes impact on VM workloads
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vSphere Replication Details
Replication options may be set per Virtual Machine• Can opt to replicate all or a subset of the VM’s disks
• You can create the initial copy in any way you want - even via sneaker net!
• You have the option to place the replicated disks where you want.
• Disks are replicated in group consistent manner
Simplified Replication Management• User selects destination location for target disks
• User selects Recovery Point Objective (RPO)
• User can supply initial copy to save on bandwidth
Replication Specifics• Changes on the source disks are tracked by ESX
• Deltas are sent to the remote site
• Does not use VMware snapshots
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vSphere Replication UI
Select VMs to replicate from within the vSphere client by right-click options
Can configure for an individual VM, or multiple VMs simultaneously!
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vSphere Replication Components
VR Agent
• Component of ESX host and ships with ESX
• Manages the replication process
• Schedules replications
• Transfers data to remote vSphere Replication servers
• Co-ordinates replication of VM configuration, and group consistency for VM disks
• Tracks changed blocks
• Replication traffic routed by VMkernel – not compressed or encrypted.
VRMS
ESX ESXESX
VRA VRA VRADB
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vSphere Replication Components – continued
vSphere Replication Server
• Linux virtual appliance at recovery side
• Deployed, configured, and managed by SRM
• Can scale by instantiating multiple servers
• Receives replication traffic from protection site
• Acts as a proxy, hiding details of the remote site from primary
• Writes incoming replication updates to VMDK files using ESX hosts
• Redo logs are used to preserve consistent updates
• Maintains 1 consistent instance per VM
ESXESX
VR Server
DB
VRMS
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vSphere Replication Components – continued
vSphere Replication Management Server (VRMS)
• Generic management framework for vSphere Replication
• Orchestrates the creation of test and fail-over images
• One VRMS per VC
• Linux virtual appliance managed via the SRM UI
• Provides the vSphere Replication support to SRM
• Maps disks/VMs from primary site to directories / VMDKs at recovery site
VRMS
ESX ESXESX
VRA VRA VRADB
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vSphere Replication 1.0 Limitations
Focus on virtual disks of powered-on VMs
• ISOs and floppy images are not replicated
• Powered-off/suspended VMs not replicated
• Non-critical files not replicated (e.g. logs, stats, swap, dumps)
VR works at the virtual device layer
• Independent of disk format specifics
• Independent of primary-side snapshots
• Snapshots work with VR, snapshot is replicated, but VM is recovered with collapsed snapshots
• Physical RDMs are not supported
FT, linked clones, VM templates are not supported with VR
Automated failback of VR-protected VMs will come later that the initial 5.0 release, but will be supported in the future.
Virtual Hardware 7 or later is required for VMs to be protected by VR.
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Simplify Replication Management With vSphere Replication
Overview
Benefits
vSphere Replication provides simple management of replication Managed directly from vCenter Managed at the individual VM-level
Eliminate complex interactions between vSphere and storage teams to set up replication
Eliminate need to shuffle VMs between datastores to map applications to replicated LUNs
Hub
LUN 1
LUN 2
VMFS A
Datastore Group
Web
SharePoint
SQL
App
vSphere Replication
Web
SharePoint
SQL
App
vSphere Admin
Storage Admin
vSphere Admin
Storage-based Replication
Datastore
VMFS BDatastore
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User Interface
SRM’s interface is new and able to manage the entire SRM framework from one GUI.
Both sides visible without Linked Mode!
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User Interface – Site-specific Networking settings for VMs
New icons for shadow VMs
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SRM Use Cases
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Use Cases
Recover from unexpected site failure
• Full or partial site failure
The most critical but least frequent use-case
• Unexpected site failures do not happen often
• When they do, fast recovery is critical to the business
Anticipate potential datacenter outages
• For example: in case of planned hurricane, floods, forced evacuation, etc.
Initiate preventive failover for smooth migration
• Graceful shutdown of VMs at protected site
• Leverage SRM ‘planned migration’ capability to ensure no data-loss
Most frequent SRM use case• Planned datacenter
maintenance• Global load balancing
Ensure smooth site migrations• Test to minimize risk• Execute partial failovers• Use SRM planned migration
to minimize data-loss• Automated Failback enables
bi-directional migrations
Highly scalable• 500 virtual machines
File-system consistency with VSS
Unplanned Failover Preventive Failover Planned Migration
3 typical
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Additional Use Cases – Upgrade, Patch Testing
Storage Array Replication
Protected Site Recovery SiteTest
Replication – not impacted
Isolated Test Network
Copy of production
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Running DR Drills & Testing with SRM 5
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SRM Reduces Recovery Risk With Frequent Testing
During the testing gap, organizations can’t be sure that they can recover the current IT environment
A failover scenario may take days or weeks to complete, leaving the business at extreme risk
SRM provides assurance that DR objectives will be met.
Lack of confidence in DR process
TimeDR Test DR Test
Changes to Applications and
Infrastructure Configuration
TESTING GAP
RecoveryRisk
Traditional Disaster Recovery
RecoveryRisk
DR Test DR TestTime
Site Recovery Manager
Frequent DR Testing
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Running a Test Recovery Plan
API
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Testing a Recovery Plan – storage layer
Storage Array Replication
Protected Site Recovery Site
Replication – not impactedIsolated Test Network
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Testing a Recovery Plan
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Testing a Recovery Plan
VM’s are ready to be used now
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Cleaning up a Test Recovery
• After testing is complete, the environment is easily cleaned up.• Following cleanup, no test resources are in use at the recovery
site• Test or recovery is now ready to be run once again
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SRM Recovery & Planned Migration
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SRM Provides Broad Application Coverage
Continuous
Hours
Days
App-level geo-clustering / load balancing
RTO
RTO: 30 minutes to hours
RPO: Flexible based on storage replication
RPOSynchronousHoursDays
Site Recovery Manager
Tier 1 Apps
Tier 2 Apps
Tier 3 Apps
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SRM Supports Flexible Topologies
Active-PassiveFailover
Active-ActiveFailover
Bi-directional Failover
Shared Recovery Sites
Production
Recovery
Production
Recovery
Production
Production
• Most common traditional scenario
• Expensive dedicated resources
• Leverage recovery infrastructure for test, development, training
• Utilize sunk cost of recovery site
• Production applications at both sites
• Each site acts as the recovery site for the other
• Many-to-one failover
• Particularly useful for Remote Office / Branch Office
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Application Consistent Recovery With SRM
Storage-based replication: application consistency widely available
• Enabled by replication management software
• Typically relies on agents in the VMs to properly quiesce applications
• For both DR failover and planned migrations
vSphere Replication: Application consistency for planned migrations only
• File-system consistency for DR failover via VSS requester in VMware Tools
Application Consistency Enabled by Replication Provider
Quiesce application
Replicate app-consistent VM
App-consistent VM presented
to SRM
Replication management
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Simple Setup And Management of Recovery And Migration Plans
Weeks or months to set up
Error-prone
Quickly falls out of sync with apps and infrastructure changes
Simple recovery plan set up in minutes
Fewer steps means far less room for errors
Simple to keep in sync with changes
…to Simple Recovery PlansFrom Complex Runbooks…
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Step 2
Step 3
Step 4
Step 5
Five Simple Steps To Create Recovery And Migration Plans
Create Recovery Plans in 5 Steps…
Step 1
Map production site resources to recovery site• Resource pools• vSwitches• VM folders
Select virtual machine protection groups to include in recovery
Specify boot sequence of recovered VMs
Customize IP addresses of recovered VMs
Select low-priority VMs to suspend at recovery site
…And Eliminate Manual Steps of Traditional Recovery
Coordinate storage and replication processes for recovery
• Stop replication and make replicated LUNs writable
• Present data to applications• Present VMs to vSphere
Reconfigure individual hosts
Reconfigure physical switching infrastructure
Recover entire systems including OSand application binaries
X
X
X
X
Add messages and custom scriptsOptional
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Running a Recovery Plan
API
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Planned Migration
Will shutdown protected VM’s, and
than synchronize them!
Will stop on errors and let you fix
them!
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Disaster Recovery
Will shutdown protected VM’s, and
than synchronize them IF it can!
Will NOT stop on errors and let you
fix them!
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Replication
Running a Recovery Plan – Storage Layer
Protected Site Recovery Site
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Recovery
The production workloads are now working on the recovery site.
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Failback
Failback is a use case that combines other SRM capabilities
Failback is a failover, a reprotect, and a subsequent failover
Process is shown started below with a successful planned migration.
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Failback - continued
Replication now goes in reverse – to the protected side
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Failback - continued
Following a reprotection, the environment may be “failed back” to the original primary site.
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History Reports
Each workflow operation has an associated history report
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History Reports - continued
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SRM Advanced Settings
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Advanced – IP Customization
The GUI shows IP customization for manual customization of IP addresses
IP Customization information can now be configured for both protected and recovery sites
Command line bulk IP customization includes support for both IPv6 addresses, and dual-site IP information
No more Sysprep, or Customization Specifications required
Performance of IP customization much faster
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Advanced – IP Customization – UI
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Advanced – IP Customization – command line
Important to always pull down, and push up on the same side!
This tool is found in the bin folder
Dr-ip-customizer --cfg ..\config\vmware-dr.xml -o c:\example.csv --cmd generate --vc vcenter-recovery
Dr-ip-customizer --cfg ..\config\vmware-dr.xml --csv c:\example.csv --cmd apply --vc vcenter-recovery
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Advanced – VM Dependency Management
SRM has 5 priority levels
Within a priority group all virtual machines will start simultaneously
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Advanced – VM Dependency Management – continued
Dependencies may be defined to dictate start sequence of VMs.
This provides the ability to manage sophisticated start order of virtual machines so that it is easier to recover multi-tier apps.
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Group 5Group 4Group 3Group 2Group 1
Advanced – VM Dependency Management – continued
DatabaseApache
Desktop
Desktop
Desktop
Desktop
Apache
Apache
Mail SyncExchange
App Server 2
Master Database
App Server 1
Database
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Advanced – Scripts
SRM 5 now supports in-guest scripts as well as the traditional script technology.
Script that executes in VM context is executed under security of VMware Tools,
Script that executes on SRM server is executed under security of SRM service credentials.
Terminology of execution is the same between in-guest or SRM – for example:
C:\windows\system32\cmd.exe /C “c:\scripts\call.cmd”
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Advanced – Scripts – continued
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SRM Edition & Licensing
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SRM 5 Editions Lineup
SRM 5
Standard Enterprise
Price per protected virtual machine (license only)
$195 $495
Scalability Limits
• Maximum protected VMs 75 virtual machines (1) Unlimited(2)
Features
• Support for storage-based replication
• Centralized recovery plans
• Non-disruptive testing
• Automated DR failover
• vSphere Replication
• Automated failback
• Planned migration
New in SRM 5.01. Maximum of 75 VMs per site and per SRM instance
2. Subject to the product’s technical scalability limits
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Purchasing & Licensing Site Recovery Manager 5.0
Supported Versionsand Editions
LicensingMetric
LicensingRequirements
Site Recovery Manager 5.0 Per VM
• One license per protected VM
• Includes ‘powered off’ protected VMs
vCenter Server
• vCenter 5.0
• vCenter Standard or Foundation
Per instance • Two licenses required – one for the protected site, one for the recovery site
vSphere
• vSphere 4 or 5
• vSphere Enterprise Plus, Enteprise, Advanced or Standard
Per proc
• Need to license all the hosts powered on across both protected and recovery sites
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Thank You