Home > Storage > PowerMax and VMAX > Data Protection > Dell PowerMax and VMAX All Flash: SRDF/Metro Overview and Best Practices > Appendix D: Unisphere Online Device Expansion (ODE) steps
This appendix provides an example walkthrough of the SRDF/Metro Online Device Expansion (ODE) interface with Unisphere for PowerMax 9.1. The following operations are covered in the examples:
Select an SRDF/Metro protected Storage Group from the Storage Group tab and choose Volumes
Select a volume (001C6 in this example) from the available devices to be expanded, select Expand from the advanced menu accessed from the 3 dots.
On the volume expansion dialog, enter the desired new volume size (0.5 to 1 GB in this example), Select Run:
Verify the paired R1 device (001C6 below) has been expanded:
Verify the paired R2 device (0019C below) has been expanded.