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Dell EMC Solutions Enabler 9.2 SRDF Family CLI User Guide

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Reconfiguring cascaded paths

About this task

In the following example:

  • Both remote target sites are long distance sites from the workload site.
  • The asynchronous target site is directly connected to the workload site.
  • The other site is connected to the asynchronous target site is the synchronous target site.

Complete the following steps to reconfigure the path to the synchronous target site (NewJersey) when the workload site is at London.

Steps

  1. From a Star control host at the workload site, issue the halt command to stop SRDF: 
    symstar -cg StarGrp halt

    The following image shows the resulting SRDF/Star state:

    Figure 1. Halted cascaded SRDF/Star
  2. Issue the symstar reconfigure command with -path and -remove options to reconfigure the path from:

    London -> NewJersey -> NewYork

    to:

    London -> NewYork -> NewJersey: 

    symstar -cg StarGrp reconfigure -site NewYork -path London:NewYork -remove London:NewJersey

    See Recover using reconfigure operations.

    The following image shows the resulting SRDF/Star state:

    Figure 2. After cascaded path reconfiguration

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