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  • Book Overview & Buying Disaster Recovery Using VMware vSphere Replication and vCenter Site Recovery Manager
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Disaster Recovery Using VMware vSphere Replication and vCenter Site Recovery Manager

Disaster Recovery Using VMware vSphere Replication and vCenter Site Recovery Manager - Second Edition

By : Abhilash G B
4 (1)
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Disaster Recovery Using VMware vSphere Replication and vCenter Site Recovery Manager

Disaster Recovery Using VMware vSphere Replication and vCenter Site Recovery Manager

4 (1)
By: Abhilash G B
Buy this Book

Overview of this book

VMware vCenter Site Recovery manage is an orchestration tool used to automate disaster recovery in a manner that no other solution does. It is programmed to leverage array-based replication and VMware's proprietary vSphere Replication engine. The book begins by talking about the architecture of SRM and guides you through the procedures involved in installing and configuring SRM to leverage array-based replication. You will then learn how to protect your virtual machines by creating Protection Groups and validate their recoverability by testing recovery plans and even performing failover and failback. Moving on, you will learn how to install and configure vSphere Replication as a standalone disaster recovery solution. It also guides you through the procedures involved in configuring SRM to leverage vSphere replication. Finally, you will learn how to deploy and configure vRealize Orchestrator and its plugin for SRM and vSphere Replication.
Table of Contents (8 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Installing and Configuring vCenter Site Recovery Manager (SRM) 6.1
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1. Installing and Configuring vCenter Site Recovery Manager (SRM) 6.1
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Introduction
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So what exactly are RPO and RTO?
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What is Site Recovery Manager?
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Laying the groundwork for an SRM environment
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Preparing storage for array-based replication
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Host presentation (Zoning) at the protected and the recovery sites
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Pairing SRM sites
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Installing the Storage Replication Adapters
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Adding array managers and enabling array pairs
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Configuring placeholder datastores
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Creating resource, folder, and network mappings
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Virtual machine swap file location
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Summary
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2. Creating Protection Groups and Recovery Plans
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2. Creating Protection Groups and Recovery Plans
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Understanding datastore groups
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Understanding protection groups
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Understanding recovery plans
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Summary
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3. Testing and Performing a Failover and Failback
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3. Testing and Performing a Failover and Failback
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Testing a recovery plan
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Performing a planned migration
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Performing a disaster recovery (failover)
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Performing a forced recovery
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Reprotecting an SRM site
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Performing a failback to an SRM protected site
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IPv4 customization rules
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Configuring VM recovery properties
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Summary
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4. Deploying vSphere Replication
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4. Deploying vSphere Replication
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Introduction
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New features in vSphere Replication 6.1
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Understanding the vSphere Replication architecture
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Downloading the vSphere Replication bundle
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Deploying the vSphere Replication Appliance
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Setting the VRA hostname and a VRM site name for the VRA
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Configuring a SQL database for VRMS
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Deploying a vSphere Replication Server
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Registering vSphere Replication Servers
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Summary
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5. Configuring and Using vSphere Replication 6.1
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5. Configuring and Using vSphere Replication 6.1
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Adding a remote site as a target
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Configuring replication for a VM to the local/remote site
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How does replication work?
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Using replication seeds
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Monitoring replication
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Reconfiguring replication
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Changing the target datastore
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Pausing an Ongoing replication
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Synchronize Data Immediately
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Stopping replication on a VM
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Moving replication to another VR Server
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Recovering virtual machines
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Configuring failback for VMs
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Using SRM with vSphere Replication
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Summary
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6. Using vRealize Orchestrator (vRO) to Automate SRM and vSphere Replication
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6. Using vRealize Orchestrator (vRO) to Automate SRM and vSphere Replication
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Deploying and configuring vRealize Orchestrator
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Install vRealize Orchestrator plugins for SRM and vSphere Replication
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Troubleshooting SRM and vSphere Replication
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Summary
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Index
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Index

How does replication work?

Once VM replication is successfully configured, it first does an initial full sync of the source VMDKs to the target datastore. If you already have the base VMDKs precopied to the destination datastore, then only the changed blocks are replicated. The replication happens over the network using the Network File Copy (NFC) protocol. The changed blocks are transferred using ESXi's management VMkernel port group.

Once the initial sync is complete, the VR Agent tracks the changed blocks using the vSCSI filter driver. It tracks, writes, and maintains a bitmap of the changed blocks. Every time a replica is created, the data transferred is copied to a redo log file. This is done to make sure that a VM at the recovery site is not corrupted in the event of a network disruption. The redo log is committed to the base disk only after the changed blocks are fully copied, thereby making each replica crash consistent. When you configure replication for a VM you get to choose the...

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Disaster Recovery Using VMware vSphere Replication and vCenter Site Recovery Manager
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