592a819b_ere_PowerCLI_Cmdlets_Reference__Description
[Name] Server [Type] VIServer[] [Required?] false [Pipeline Input] false [Description] 
Specifies the vCenter Server instances on which you want to run the cmdlet. If no value is passed to this parameter, the command runs on the default servers. For more information about default servers, see the description of Connect-VIServer.
Get-Datastore - vSphere PowerCLI Cmdlets Reference
Description