[libvirt-users] Error while starting the node on ESXi hypervisor

[varun bhatnagar]

Hey...I tried adding volume..got one xml snippet which you only posted and
I modified it according to my node configuration:

< volume>
<name>testNode/cluster.vmdk </name>
<allocation>0 </allocation>
<capacity unit='G'>2<capacity>
</volume>

Now when I executed "virsh vol-create datastore1 /local/new_volume.xml" one
error message came saying:

"Error: Failed to create volume from /local/new_volume.xml"
Error: internal error: Creation of raw volumes is not supported"

How can I resolve this?

Regards,
Varun
On 13 Aug 2013 14:45, "varun bhatnagar" <varun292006 at gmail.com> wrote:

> Thanks a ton for the reply Matthias.
> I am little confused here. How to add volume on my esx server using virsh?
> I did SCP and copied my vmdk image to [datastore1]  testNode/cluster.vmdk
> and also modified my xml file as you suggested. Now when I tried starting
> the node it gave me an error message saying:
>
> "error: Failed to start testNode
> error: internal error: Could not start domain: GenericVmConfigFault -
> Failed to start the virtual machine."
>
> How to resolve this?
>
> Regards,
> Varun
>  On 13 Aug 2013 13:21, "Matthias Bolte" <matthias.bolte at googlemail.com>
> wrote:
>
>> 2013/8/12 varun bhatnagar <varun292006 at gmail.com>:
>> > Hi,
>> >
>> > Today I was trying to start a node using libvirt on ESX (esxi-5.1)
>> > hypervisor and I got the following error message:
>> >
>> > virsh # define /local/myNode/esxdomain.xml
>> > Domain testNode defined from /local/myNode/esxdomain.xml
>> > virsh # start testNode
>> > error: Failed to start domain testNode
>> > error: internal error: Could not start domain: GenericVmConfigFault -
>> Cannot
>> > open the disk /vmfs/volues/5208f99d-760cf4a2-000c29520788/testNode.vmdk
>> or
>> > one of the snapshot disks it depends on.
>> >
>> >
>> > I checked the datastore of my ESX server and found out that instead of
>> file
>> > one directory is getting created with the name cluster.vmdk and inside
>> it
>> > there are few more files but cluster.vmdk file is not there.
>> >
>> > /vmfs/volumes # cd datastore1
>> >  /vmfs/volues/5208f99d-760cf4a2-000c29520788 # ls
>> > cluster.vmdk
>> >  /vmfs/volues/5208f99d-760cf4a2-000c29520788 # cd cluster.vmdk
>> >  /vmfs/volues/5208f99d-760cf4a2-000c29520788/cluster.vmdk # ls -ltr
>> > -rw-r--r--   1  root    root   261 Aug 12 17:30 cluster.vmdk
>> > -rw-r--r--   1  root    root   674 Aug 12 17:30 cluster.vmx
>> > -rw-r--r--   1  root    root   0 Aug 12 17:30 cluster.vmsd
>> >  /vmfs/volues/5208f99d-760cf4a2-000c29520788/cluster.vmdk #
>>
>> Okay, libvirt should not have created a directory named cluster.vmdk,
>> I think there is a bug, but I can't test it at the moment because my
>> ESX setup is unavailable due to a hardware failure.
>>
>> > Can anyone tell me how to start a node and why I am getting that error
>> > message.
>> > Below is my xml file.
>> >
>> > <domain type='vmware'>
>> >   <name>testNode</name>
>> >   <uuid>50115e16-9bdc-49d7-f171-53c4d7f91710</uuid>
>> >   <memory>1048576</memory>
>> >   <currentMemory>1048576</currentMemory>
>> >   <vcpu>1</vcpu>
>> >   <os>
>> >     <type arch='x86_64'>hvm</type>
>> >   </os>
>> >   <devices>
>> >     <disk type='file' device='disk'>
>> >       <source file='[datastore1] cluster.vmdk'/>
>>
>> Here is a problem. Typically all files of a virtual machine should be
>> located in a subdirectory named after the virtual machine. But you
>> placed the VMDK file in the datastore root. I think this confused
>> libvirt. This should read
>>
>> <source file='[datastore1] testNode/cluster.vmdk'/>
>>
>> instead. Also "virsh define" cannot create this VMDK file for you if
>> it doesn't exist already, because there is not enough information in
>> the domain XML. You need to do this yourself using "virsh vol-create".
>>
>> I suggest you delete the cluster.vmdk directory from the datastore and
>> start over with the domain XML modified as suggested, but create
>> "[datastore1] testNode/cluster.vmdk" before defining the virtual
>> machine.
>>
>> --
>> Matthias Bolte
>> http://photron.blogspot.com
>>
>
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