Configuring Synchronous Mirroring:
Check the Mirroring premium feature.
Then Activate the source and Destination Storage system mirroring.
Select the Source Storage System and Activate the Mirror Feature.
Now select the Mirror type.
This mirror activation, will create a mirror repository volumes to manage the mirror relationships.
Now Mirror feature is activated.
You can see the repository volumes also.
Same steps you have to do it in destination storage system also.
Now select the source volume and create a Sync Mirror relationship.
Now select the destination storage system
Then select the destination volume.
Set the priority level.
Mirror Preview and Summary.
Now the mirror was successfully created.
To check the Mirror status and all the information.
Now the status is synchronised.
Then you can create a consistency group also.