Sun Cluster Geographic Edition Data Replication Guide for EMC Symmetrix Remote Data Facility

EMC Symmetrix Remote Data Facility Properties

The following table describes the EMC Symmetrix Remote Data Facility properties that the Sun Cluster Geographic Edition software defines.

Table A–1 EMC Symmetrix Remote Data Facility Properties

Property 

Description 

Data Replication Property: Cluster_dgs (string array)

Lists the Sun Clusterdevice groups where the data is written. The list is comma delimited. Only applications that belong to the protection group should write to these device groups.  

Tuning recommendations: This property can only be tuned when the protection group is offline. 

Category: Optional 

Default: Empty  

Data Replication Property: Nodelist (string array)

Lists the host names of the machines that can be primary for the replication mechanism. This list is comma delimited.  

Tuning recommendations: This property can be tuned at any time. 

Category: Optional 

Default: All nodes in the cluster 

Device Group Property: DG_or_CG (string)

Specifies if the device group is an EMC Symmetrix Remote Data Facility device group or a EMC Symmetrix Remote Data Facility consistency group. 

Tuning recommendations: This property must be set to DG.

Category: Required 

Default: DG

Device Group Property: R1_SID (string)

Specifies the primary (RDF1) EMC Symmetrix ID of the EMC Symmetrix devices.  

Tuning recommendations: You can tune this property at any time.  

Category: Required 

Default: None, until you add a Symmetrix Remote Data Facility device group. 

Device Group Property: R2_SID (string)

Specifies the secondary (RDF2) EMC Symmetrix ID of the EMC Symmetrix devices.  

Tuning recommendations: You can tune this property at any time. 

Category: Required 

Default: None, until you add a Symmetrix Remote Data Facility device group.