[one-users] Cannot create a VM snapshot

[Pavel Tankov]

opennebula-node package is installed:

# rpm -qa | grep opennebula-node
opennebula-node-kvm-4.8.0-1.x86_64

The command onehost sync returns this:

# onehost sync
No hosts are going to be updated.

-- 
Pavel Tankov

On 09/30/2014 11:06 AM, Hamada, Ondrej wrote:
> Maybe you have to run `onehost sync` against that node or install opennebula-node package.
>
> O.
>
>
> -----Original Message-----
> From: Users [mailto:users-bounces at lists.opennebula.org] On Behalf Of Pavel Tankov
> Sent: Tuesday, September 30, 2014 9:03 AM
> To: users at lists.opennebula.org
> Subject: Re: [one-users] Cannot create a VM snapshot
>
> The 'snapshot_create' script is not available on /var/tmp/one/vmm/kvm/.
> The contents of this folder is:
>
> # ls -l /var/tmp/one/vmm/kvm/
> total 32
> -rwxr-xr-x 1 oneadmin oneadmin  1596 Aug 20 11:25 cancel -rwxr-xr-x 1 oneadmin oneadmin  1545 Aug 20 11:25 deploy
> -rw-r--r-- 1 oneadmin oneadmin  1790 Aug 20 11:25 kvmrc -rwxr-xr-x 1 oneadmin oneadmin 14255 Aug 20 11:25 poll -rwxr-xr-x 1 oneadmin oneadmin  2304 Aug 20 11:25 shutdown
>
> But isn't this a temporary folder. Is the script expected to be there?
>
> On the other hand:
>
> # find / -name snapshot_create
> /var/lib/one/remotes/vmm/sl/snapshot_create
> /var/lib/one/remotes/vmm/ec2/snapshot_create
> /var/lib/one/remotes/vmm/kvm/snapshot_create
> /var/lib/one/remotes/vmm/vmware/snapshot_create
> /var/lib/one/remotes/vmm/az/snapshot_create
> /var/lib/one/remotes/vmm/xen3/snapshot_create
> /var/lib/one/remotes/vmm/xen4/snapshot_create
>
> -- Pavel Tankov
>
> On 09/28/2014 05:04 PM, Ondrej Hamada wrote:
>> Hi Pavel,
>>
>> this check has failed:
>>
>> if [ -x "/var/tmp/one/vmm/kvm/snapshot_create" ];
>>
>> You should check that the 'snapshot_create' script is available on the
>> host in the specified path and that it is executable by oneadmin user.
>>
>> Ondra
>>
>> On 09/24/2014 04:22 PM, Pavel Tankov wrote:
>>> Hello,
>>>
>>> I have Opennebula 4.8 on CentOS 6.5. I have installed from the
>>> Marketplace CentOS 7 - KVM - OpenNebula 4.8
>>>
>>> I am able to instantiate it and it runs fine. However, when I click
>>> on the running VM --> Snapshots --> Take snapshot, It doesn't get
>>> created and in the log there is this:
>>>
>>> --- log begin ---
>>> Wed Sep 24 17:13:41 2014 [Z0][DiM][I]: New VM state is ACTIVE.
>>> Wed Sep 24 17:13:41 2014 [Z0][LCM][I]: New VM state is PROLOG.
>>> Wed Sep 24 17:13:42 2014 [Z0][LCM][I]: New VM state is BOOT Wed Sep
>>> 24 17:13:42 2014 [Z0][VMM][I]: Generating deployment file:
>>> /var/lib/one/vms/61/deployment.0
>>> Wed Sep 24 17:13:42 2014 [Z0][VMM][I]: ExitCode: 0 Wed Sep 24
>>> 17:13:42 2014 [Z0][VMM][I]: Successfully execute network driver
>>> operation: pre.
>>> Wed Sep 24 17:13:42 2014 [Z0][VMM][I]: ExitCode: 0 Wed Sep 24
>>> 17:13:42 2014 [Z0][VMM][I]: Successfully execute virtualization
>>> driver operation: deploy.
>>> Wed Sep 24 17:13:42 2014 [Z0][VMM][I]: ExitCode: 0 Wed Sep 24
>>> 17:13:42 2014 [Z0][VMM][I]: Successfully execute network driver
>>> operation: post.
>>> Wed Sep 24 17:13:43 2014 [Z0][LCM][I]: New VM state is RUNNING Wed
>>> Sep 24 17:15:05 2014 [Z0][VMM][I]: Command execution fail: 'if [ -x
>>> "/var/tmp/one/vmm/kvm/snapshot_create" ]; then
>>> /var/tmp/one/vmm/kvm/snapshot_create one-61 0 61 localhost; else exit
>>> 42; fi'
>>> Wed Sep 24 17:15:05 2014 [Z0][VMM][I]: Warning: Permanently added
>>> 'localhost' (RSA) to the list of known hosts.
>>> Wed Sep 24 17:15:05 2014 [Z0][VMM][I]: ExitCode: 42 Wed Sep 24
>>> 17:15:05 2014 [Z0][VMM][E]: Error creating new VM Snapshot
>>> --- log end ---
>>>
>>> Please, note that the image is from the Marketplace and is supposed
>>> to be qcow2, e.g. to support snapshots.
>>> I tried both with the image set to "Persistent: no" and "Persistent:
>>> yes".
>>> I tried with both the image set to "Type: OS" and "Type: DATABLOCK".
>>>
>>> What could be the problem?
>>> Thanks!
>>>
>>
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