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Marki
Asked: 2017-02-22 01:37:20 +0800 CST

vSphere PowerCLI storage vMotion

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How do I svMotion a single disk in PowerCLI 5.5?

Trying Set-HardDisk gives the following warning:

WARNING: Parameter 'Datastore' is obsolete. 'Datastore' parameter is obsolete. To move hard disk to another datastore
and change it's storage format, use 'Move-HardDisk' cmdlet instead.

Set-HardDisk fails anyway with a message that the disk is locked (hence I guess you can't use it for an online migration).

Move-HardDisk only seems to be able to move disks in offline mode too (cold migration), however I'd like to perform a Storage vMotion.

Move-VM can only move all disks of a VM, which is not what I want. (Too many and too big disks on a VM, will never fit on one destination LUN)

vmware-vsphere powercli

2 Answers

  1. I use this in part of a longer script I wrote for a migration projects. This is pulling names and csv I built earlier in the same script.

    Get-HardDisk -vm $line.Name | where {$_.filename -match $startDS} |Move-HardDisk -Datastore $endDS -Confirm:$false

    Where:

    • $line.Name = name of a VM
    • $startDS = the current datastore I was evacuating
    • &endDS = the datastore I was sending the drive to

    This works for me on VMs regardless of the power state, but it does not move configuration files.

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  2. Best Answer

    It turns out you can't simply

    Move-HardDisk $hd -Datastore $dstds

    which will give a message that the disk is locked. But instead you can do something along the lines of:

    Get-HardDisk -VM MyVM -Name 'Hard Disk 1' | Move-HardDisk -Datastore MyDS

    which seems to carry out an svMotion just nicely.

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