David Davis Blog: Disaster Recovery of VMware Workloads

About the speaker  Previous VMware Customer, IT Manager, Server & Network Admin with 18 years in IT Contributor to industry publications

Agenda Preparing for Disaster Types of Disasters RTO vs. RPO VMware High Availability (VMHA) VMware Fault Tolerance (FT) VMware Site Recovery Manager (SRM) SRM Requirements

Preparing for Disaster Backing up VMs not enough  Backup data must be moved off-site  Preparation will avoid data loss  Many types of disasters can impact a VM environment

Preparing for Disaster Virtualization makes backup and DR simple  Hardware independence  Image-based backups  Efficient resource management – DRS  Automated failover and replication

Types of Disaster  Server failure = HA or FT  VM corrupted = Veeam Backup & Replication, restore  Datacenter failure = Replicated VM or VMware SRM

RTO vs. RPO VM 12 h 6h3h0h vs. Recovery Point Objective (RPO)Recovery Time Objective (RTO) VM business data Amount of elapsed time allowed by business to recover data Point time to which data must be recover RTO and RPO negotiated to derive SLA

VMware High Availability (VMHA) Graphic Thanks to VMware.com

VMware Fault Tolerance (FT) Graphic Thanks to VMware.com

VMware Site Recovery Manager (SRM) Graphic Thanks to VMware.com

SRM 4 Requirements  Replication-cable SAN hardware  Site to site network requirements  High bandwidth requirements  vSphere and SRM compatibility  vSphere 4, vCenter 4 needed for SRM

SAN-based Replication = =  Hardware replication from SAN array  Continuous Data Protection (CDP)  Hardware and licensing investments  May require entire LUN replication  Frequent replication possible – but very expensive

What we covered Preparing for Disaster Types of Disasters VMware High Availability (HA) VMware Fault Tolerance (FT) VMware Site Recovery Manager (SRM) RTO vs. RPO SRM Requirements SAN-based Replication

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