Storage vMotion only one harddisk via powershell

This is more a reminder to me


Get-HardDisk -vm vm | Where {$_.Name -eq "Hard disk 1"} |
% {Set-HardDisk -HardDisk $_ -Datastore "" -Confirm:$false}

But the summary is that it svMotions 1 hard disk out of a VM onto a different datastore – useful is you have multiple tiers and want say OS disk on one tier and low access data volumes on other storage tiers.

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