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Disaster Recovery of VMware Workloads. David Davis. Twitter: @ davidmdavis Blog: www.VMwareVideos.com. About the speaker. Previous VMware Customer, IT Manager, Server & Network Admin with 18 years in IT. Contributor to industry publications. Agenda. Preparing for Disaster
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Disaster Recovery of VMware Workloads David Davis Twitter: @davidmdavisBlog: www.VMwareVideos.com
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 Recovery Time Objective (RTO) Recovery Point Objective (RPO) VM VM business data vs. 6h 3h 0h 12 h 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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