[DRBD-user] OpenNebula - linstor Image datastore not supported

[Luke Camilleri]

Hi Rene, the main issue is not to download as I can confirm that it does work for downloads but to instantiate an image saved on the local disk of the front-end to the system datastore backed by linstor and having it placed on drbd backed nodes.

Although kvpass mentioned that the deployment is for TM type linstor, I have never seen any reference to it and would be helpful if someone points out this information

Thanks in advance for all your help

From: Luke Camilleri
Sent: 31 May 2019 11:52
To: 'Rene Peinthor' <rene.peinthor at linbit.com>
Cc: kvaps <kvapss at gmail.com>; drbd-user at lists.linbit.com
Subject: RE: [DRBD-user] OpenNebula - linstor Image datastore not supported

I believe that as kvpass replied, it is not possible as your scenario differs from my initial request.

When deploying an OS from the ds hosted on the front-end to the linstor system ds

From: Rene Peinthor [mailto:rene.peinthor at linbit.com]
Sent: 31 May 2019 11:15
To: Luke Camilleri <luke.camilleri at zylacomputing.com<mailto:luke.camilleri at zylacomputing.com>>
Cc: kvaps <kvapss at gmail.com<mailto:kvapss at gmail.com>>; drbd-user at lists.linbit.com<mailto:drbd-user at lists.linbit.com>
Subject: Re: [DRBD-user] OpenNebula - linstor Image datastore not supported

I used CDROM, but no this image will not show up in linstor, because the image is still saved in the default image datastore(FS datastore).

But as far as I can see you can specify to which datastores you want to download marketplace images.

On Fri, May 31, 2019 at 10:52 AM Luke Camilleri <luke.camilleri at zylacomputing.com<mailto:luke.camilleri at zylacomputing.com>> wrote:
You mean the front-end storage or the NFS filesystem datastore?

What type was it CDROM, DATABLOCK or OS?

In my case it was OS.

So you uploaded netboot.xyz<http://netboot.xyz> image to the local storage of the front-end and then instantiated a vm with that disk, and you can see (linstor resource list) the disk on linstor??

Thanks in advance for your help

From: Rene Peinthor [mailto:rene.peinthor at linbit.com<mailto:rene.peinthor at linbit.com>]
Sent: 31 May 2019 10:32
To: Luke Camilleri <luke.camilleri at zylacomputing.com<mailto:luke.camilleri at zylacomputing.com>>
Cc: kvaps <kvapss at gmail.com<mailto:kvapss at gmail.com>>; drbd-user at lists.linbit.com<mailto:drbd-user at lists.linbit.com>
Subject: Re: [DRBD-user] OpenNebula - linstor Image datastore not supported

Apart from a bug that I just fixed (pushed to github) this worked for me, except I used a self uploaded netboot.xyz<http://netboot.xyz> image (not from marketplace).

Cheers
Rene

On Fri, May 31, 2019 at 10:06 AM Luke Camilleri <luke.camilleri at zylacomputing.com<mailto:luke.camilleri at zylacomputing.com>> wrote:
Hi Rene, basically I was trying to have the images downloaded from the marketplace on the local disk on the front-end (YES…. DS_MAD=fs) and deploy a VM instance on a system_datastore of type linstor.

I was planning on having the images on an NFS Filesystem datastore to be shared between all hosts and then copy the images to the linstor datastores upon instantiation.

If not possible I will use the image datastores and system datastores configured on all storage nodes and then the hosts will access the images and disks in diskless mode

Thanks

From: Rene Peinthor [mailto:rene.peinthor at linbit.com<mailto:rene.peinthor at linbit.com>]
Sent: 31 May 2019 09:41
To: kvaps <kvapss at gmail.com<mailto:kvapss at gmail.com>>
Cc: Luke Camilleri <luke.camilleri at zylacomputing.com<mailto:luke.camilleri at zylacomputing.com>>; drbd-user at lists.linbit.com<mailto:drbd-user at lists.linbit.com>
Subject: Re: [DRBD-user] OpenNebula - linstor Image datastore not supported

Hi,

I'm not sure I fully understand what you are trying to do.
You have a local image(DS_MAD fs?) and want to deploy a VM with it in a linstor system context?
Or just transfer a image between datastores?

Cheers

On Fri, May 31, 2019 at 9:00 AM kvaps <kvapss at gmail.com<mailto:kvapss at gmail.com>> wrote:
Hi,

Unfortunately linstor-addon support images transfer operations only between datastores with the same TM_MAD=linstor

So both your datastores should use same driver.

On Fri, May 31, 2019, 07:20 Luke Camilleri <luke.camilleri at zylacomputing.com<mailto:luke.camilleri at zylacomputing.com>> wrote:
Hi Everyone, I have added the linstor addon for OpenNebula and created 2 datastores for both the image and the system datastore. I can deploy images with this method without issues. I am now trying to deploy from the local storage on the front-end to the linstor storage node but I am receiving the below error message:

[one.vm.deploy] Image Datastore does not support transfer mode: linstor

Is this deployment model supported or I am missing something?

Thanks
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