Installation and Configuration Notes

  • The DataCore VASA Provider should only be installed using the DataCore Deployment Wizard. Manual installation is not supported. The wizard installs the provider and registers it with the vCenter.
  • ESXi hosts, vCenter Server, DataCore Servers, and the DataCore VASA Provider host must be addressable by fully qualified domain names (FQDN), not by IP address, and must be resolved by the same DNS.
  • The vCenter Server must allow firewall access to the port used by the DataCore VASA Provider.
  • When creating virtual volume (vVol) virtual machines (VM), select the Thin Provisioning option. VM creation with the Thick Provisioning option is not supported.
  • Once a storage container has been created from a virtual disk (vDisk) template, do not change the vDisk template.
  • DataCore VASA Provider introduced DataCore.SANsymphonyV2 rules in the Create VM Storage Policy wizard. See Storage Policy Based Management for more information and Storage Policy Based Management and Replication for information on the replication support.
  • In a High availability (HA) setup, the Active DataCore VASA Provider node failover may take approximately 7-8 minutes. This time can be reduced by modifying the value of the heartbeatCountToTriggerFailover property in the /usr/lib/vmware-vpx/sps/conf/sms-config.xml config file. The config file is present in the vCenter Server appliance. The default value of this property is 3, which means the SMS service waits for 3 retries before declaring a DataCore VASA Provider node as failed. If this value is reduced, the failover will happen faster.
    • This option is a global vCenter level setting. Use it with caution as modifying the setting will impact all the Storage providers added to the vCenter.
    • Setting this value too low might result in failovers also due to intermittent network issues.
  • Users can configure the timeout for syncing replication groups during a failover or test failover operation. By default, the timeout is set to 15 minutes. To change the timeout value:
    1. Edit the DcsVasa.exe.config file by adding/ modifying a property called syncReplicationGroupTimeoutInMinutes in the runtime tag. For example, <runtime ... syncReplicationGroupTimeoutInMinutes="20"/>.
    2. Restart the DcsVasa service.