SRM Multi-Site now available in SDDC Version 1.6

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On the 13th of this month SDDC Version 1.6 was released by VMware Cloud on AWS, allowing for support for fan-in and other multi-site topologies. This will now allow the ability to have multiple remote sites replicating traffic to the same VMC instance.

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You can pair up to ten remote sites with a single SDDC. You can recover virtual machines from multiple protected sites to the same VMware Cloud on AWS SDDC, or recover different sets of virtual machines from a single VMware Cloud on AWS SDDC to multiple recovery sites. Other complex multi-site topologies are also now possible provided you can establish network connectivity between the remote sites and the shared VMware Cloud on AWS SDDC.

Here is an example Topology I created in Visio:

Converting existing 1:1 to 1-many
You can convert an existing one-to-one configuration of VMware Site Recovery into a multi-site configuration. To convert a one-to-one configuration to a multi-site configuration, you deploy additional Site Recovery Manager Server and vCenter Server instances as remote sites, and pair them with additional VMware Site Recovery instances that all connect to the existing vCenter Server instance on the shared VMware Cloud on AWS SDDC. Each pair of Site Recovery Manager Server or VMware Site Recovery instances in the multi-site configuration must use a different plug-in identifier or extension ID. For example, if you installed a one-to-one configuration that uses the default VMware Site Recovery extension ID, you must deploy all subsequent VMware Site Recovery pairs with different custom extension IDs.

VMware Site Recovery with a shared VMware Cloud on AWS SDDC is subject to some limitations.

  • Site Recovery Manager supports a point-to-point replication. Site Recovery Manager does not support replication to multiple targets, even in a multi-site configuration.
  • For each remote site, you must deploy one instance of Site Recovery Manager Server at the remote site and activate one corresponding instance of VMware Site Recovery in the shared VMware Cloud on AWS SDDC.
  • The Site Recovery Manager plug-in identifier or custom extension ID specified on the remote site must match the custom extension ID of the paired VMware Site Recoveryinstance on the shared VMware Cloud on AWS SDDC. For example, you can set up the first pair of sites with the default Site Recovery Manager extension ID, then deploy subsequent pairs of sites with custom extension IDs.
  • A single VMware Cloud on AWS SDDC can support a maximum of 10 paired remote sites. You can run concurrent recoveries from multiple sites.

Installation guide for SRMaaS
https://docs.vmware.com/en/VMware-Site-Recovery/services/srmaas-install-config.pdf

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