IBM Storwize V5010 Manual page 632

d. As shown in Figure 10-118, select whether you would like to add a change volume.
Figure 10-118 Add a change volume
e. Click Next.
Note: Selecting to add a change volume, will not add a change volume to the remote
system. Creation of change volume on the remote system for the auxiliary has to be done
manually.
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Implementing the IBM Storwize V5000 Gen2 with IBM Spectrum Virtualize V8.1