Moving Hyper-V VM to another disk

Hi all, I have read several forums about moving the Hyper-V VM to another disk but I still don't understand on the replication side. I have two physical server running Hyper-V and it's HA between each other with all VM running replication. I have install
a new disk on both plysical machine and both need to move all the VM to the new disk.
Please let me know if my steps are correct.
In this scenario, I have 2 hour downtime so I could power off all VMs:
1) Pause all replication for all VMs.
2) Export the replicated powered-off VMs on the inactive server.
3) Copy it to the new disk.
4) Import the VMs from the new location.
5) Power off the VMs on the active server
6) Export the VMs.
7) Copy it to the new disk location
8) Export the VMs from the new location
9) Power up the VMs and start the replication
10) Delete the old vhd on the old location
Qns 1: Will the replication know the new location on the other server or as long the VM on both server are on the exact location so it will automatically replicate over ?
In another scenario let's say I don't have any downtime and just for my knowledge:
1) Pause all replication for all VMs.
2) Export the replicated powered-off VMs on the inactive server.
3) Copy it to the new disk.
4) Import the VMs from the new location.
5) Failover the VMs to the inactive server
6) Power off the VMs on the other server
7) Export the VMs.
8) Copy it to the new disk location
9) Export the VMs from the new location
10) Power up the VMs
11) Failover the VMs
12) Delete the old vhd files at the old location
Qns 2: Will the failover work in this case after I have change the location of the other server ?

1) What Operating System are you running on the HyperV Server?
Win 2012
2) You are talking about HA, but I would assume that you don't have a cluster here. Right?
Yes no cluster here. HA means if one of my Hyper-V is down, the other VMs on the other Hyper-V would take over
3) You are talking about Replication, but I would assume that you don't mean HyperV Replica. Right?
But If you have HyperV Replica running you don't have to export / delete / copy / import /etc. your VMs. This is all done by HyperV replica...
I don't understand this part. You mean Hyper-V Replica could help me to move the vmhd to another disk ?

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