• Protection works on a datastore level (storage array virtual disk). All virtual machines on the same datastore
that requires protection are also protected and replicated.
• Multiple small-sized datastores and virtual disks must be used to limit the amount of data replicated to the
recovery site.
• Locate (migrate) protected virtual machines to the same datastore and migrate any VMs that do not require
protection to other locations.
• SRM does not provide for application-consistent failover, but does provide VM-consistent failover. Therefore,
even with a successful failover of a VM, the applications that are running on the VM may not be in a consistent
state. More recovery methods may be required to return to normal operation.
• Only MD Series storage arrays running firmware versions 07.84.44.60 or later support asynchronous Remote
Replication groups. The groups are treated as consistency groups, so all virtual disks in the group is treated as a
single entity.
• Synchronization priority dramatically affects the speed of replication, assuming that sufficient bandwidth is
available between the protected and recovery storage arrays.
Command Line Options
SRA installs a command-line utility that provides the following functions:
• To stop the SRA service, run the following command:
<SRA_Path>\svrCmd.cmd
Restarting the SRA service requires a start command from Windows services.
• To track the SRA service and capture detailed logging for each command issued and received, run the following
command:
<SRA_InstallationPath>\svrCmd track on (enable)
<SRA_InstallationPath>\svrCmd track off (disable)
Log files are written to <SRA_InstallationPath>\track directory.
Advanced Settings In Site Recovery Manager And ESX/ESXi
The following advanced settings in Site Recovery Manager (SRM) are recommended for best performance when using
the MD-Series Storage Replication Adapter (SRA).
To establish these settings:
1. Click Sites in the SRM left pane, then right-click on your site name and select Advanced Settings.
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