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Dell EMC Solutions Enabler 9.2 SRDF Family CLI User Guide

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Restore R1 from a concurrent R2

Use the restore command to restore only the R1 device from the specified R2:

Figure 1. Restoring the R1 a concurrent configuration

When the restore command is executed:

  • Both remote mirrors are split.
  • The R1 device is restored from and synchronized with the R2 device in the specified RDFG group specified in the command.
  • The R2 device belonging to SRDF group not used in the restore operation remains in the split state.

Syntax

Use the symrdf restore command to restore from the specified RDFG group: 

symrdf -g DgName restore -rdfg GroupNum of selected R2 mirror

Examples

To restore devices in group concGrp from RDFG group 1: 

symrdf -g concGrp restore -rdfg 1

To re-establish the R2 devices not used in the restore operation: 

symrdf -g DgName restore -rdfg GroupNum of group not used to restore

To re-establish second mirror (RDFG 2) for group concGrp: 

symrdf -g concGrp establish -rdfg 2

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