[TriLUG] Semi-OT: vmware vmotion
rkelleyrtp at gmail.com
Tue Feb 22 15:31:47 EST 2011
I would be interested.
In the past, I have used the vcbGhetto scripts when I did not have the licensing for vMotion. Problem is - vcbGhetto and VMWare Data Recovery are problematic and don't often working after a week or so...
rkelleyrtp at gmail.com
On Feb 22, 2011, at 1:17 PM, David Black wrote:
> Getting the inspiration from someone else who wrote a similar script using the VMware API, I put together a bash script that does a suspend-unregister-reregister-resume to effect a poor man's vMotion. It leverages ESXi ssh access and included commands. The downtime when moving a VM this way is proportional to the amount of RAM in the VM, typically 5-20 sec for my setup.
> Like vMotion, the VM must reside in a datastore visible to both source and destination ESXi hosts.
> If the VM must be moved from one datastore to another, that's doable too but involves an intermediate copy operation (takes longer).
> If anyone wants, I'd be happy to post or share 'vmove' and a companion script 'vclone' that clones VMs.
> ----- Original Message -----
>> For vMotion to work, you need the correct license (Enterprise I think)
>> to enable vMotion *and* a shared storage solution (NFS, shared iSCSI,
>> or SAN).
>> If your two servers only have a locally attached datastore (on-board
>> SATA/SAS drive), you will not be able to vMotion your VM. The best you
>> can do is suspend your VM then move the files to the other data store.
>> rkelleyrtp at gmail.com
>> On Feb 22, 2011, at 12:42 PM, Jason Evans wrote:
>>> Hi all,
>>> I've got 2 servers both running esxi 4.1 each with 1 datastore. I'm
>>> trying to get vmotion to work between the two servers with the VM
>>> powered on without creating a go-between NFS share. In vshpere, I
>>> have a datacenter (XYZ) created and under the datacenter, I have
>>> cluster (ABC) created. In the cluster is host 1 and host 2. The VM
>>> is running RHEL5 and the goal is to migrate it from host 1 to host 2
>>> without shutting it down. All of the documentation that I've seen
>>> says that an NFS share must be created or an external LUN must be
>>> connected to for this to work. Is there another way of doing this?
>>> Best Regards,
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