For CLVM, the copy template from secondary to primary and create volume from 
template logic is handled by CloudStackPrimaryDataStoreDriverImpl->copyAsync, 
not in AncientDataMotionStrategy
You can check the code: 4fb459355337c874a10f47c0224af72d6fef1ff2.

> -----Original Message-----
> From: Marcus Sorensen [mailto:shadow...@gmail.com]
> Sent: Thursday, October 17, 2013 2:07 PM
> To: dev@cloudstack.apache.org
> Subject: Re: CLVM broken on master
> 
> I think if we can change this line:
> 
> if ((srcData.getObjectType() == DataObjectType.TEMPLATE) &&
> (destData.getObjectType() == DataObjectType.TEMPLATE &&
> destData.getDataStore().getRole() == DataStoreRole.Primary)) {
> 
> to something like:
> 
> if (srcData.getObjectType() == DataObjectType.TEMPLATE &&
> srcData.getDataStore().getRole() == DataStoreRole.Image &&
> destData.getDataStore().getRole() == DataStoreRole.Primary) {
> 
> Maybe that will work? That way it's strictly secondary -> primary templates,
> not primary->primary templates.
> 
> Alternatively we could put it back to where it was:
> 
> if (srcData.getObjectType() == DataObjectType.TEMPLATE && srcDataStore
> instanceof NfsTO && destData.getDataStore().getRole() ==
> DataStoreRole.Primary) {
> 
> But your patch on the reviewboard removes NfsTO, and I'm assuming the
> idea was to work towards getting away from NFS-specific secondary storage.
> 
> On Thu, Oct 17, 2013 at 2:57 PM, Marcus Sorensen <shadow...@gmail.com>
> wrote:
> > I ran that through my tester, it didn't like it.  That actually kept
> > the system vms from starting. Since CopyCommand is used for both
> > template to template and template to primary, it seems that the
> > original template copy is fine but now this catches the case where the
> > source template is on primary and we are making a root disk.
> > copyTemplateToPrimaryStorage has:
> >
> >         if (!(imageStore instanceof NfsTO)) {
> >             return new CopyCmdAnswer("unsupported protocol");
> >         }
> >
> > we should be calling 'cloneVolumeFromBaseTemplate', but the original
> > if statement is now too loose.  I'll play with it a bit and see if I
> > can suggest a solution that works.
> >
> > 2013-09-17 17:58:07,178 DEBUG [cloud.agent.Agent]
> > (agentRequest-Handler-2:null) Request:Seq 1-829816935:  { Cmd ,
> > MgmtId: 52241639751, via: 1, Ver: v1, Flags: 100011,
> >
> [{"org.apache.cloudstack.storage.command.CopyCommand":{"srcTO":{"org.
> a
> > pache.cloudstack.storage.to.TemplateObjectTO":{"path":"bf53a7c6-1fed-1
> > 1e3-a1ff-000c29d82947","origUrl":"http://download.cloud.com/templates/
> > 4.2/systemvmtemplate-2013-06-12-master-
> kvm.qcow2.bz2","uuid":"bf53a7c6
> > -1fed-11e3-a1ff-000c29d82947","id":3,"format":"QCOW2","accountId":1,"c
> >
> hecksum":"6cea42b2633841648040becb588bd8f0","hvm":false,"displayText":
> > "SystemVM Template
> > (KVM)","imageDataStore":{"org.apache.cloudstack.storage.to.PrimaryData
> > StoreTO":{"uuid":"8932daaf-272c-45c9-a078-d601dfc5ca56","id":1,"poolTy
> > pe":"Filesystem","host":"172.17.10.10","path":"/var/lib/libvirt/images
> > ","port":0}},"name":"routing-3","hypervisorType":"KVM"}},"destTO":{"or
> > g.apache.cloudstack.storage.to.VolumeObjectTO":{"uuid":"0c15b340-228b-
> > 48f1-88c4-
> b717ad08d4e3","volumeType":"ROOT","dataStore":{"org.apache.c
> > loudstack.storage.to.PrimaryDataStoreTO":{"uuid":"8932daaf-272c-45c9-a
> > 078-d601dfc5ca56","id":1,"poolType":"Filesystem","host":"172.17.10.10"
> > ,"path":"/var/lib/libvirt/images","port":0}},"name":"ROOT-1","size":0,
> > "volumeId":2,"vmName":"s-1-
> VM","accountId":1,"format":"QCOW2","id":2,"
> > hypervisorType":"KVM"}},"executeInSequence":false,"wait":0}}]
> > }
> >
> > 2013-09-17 17:58:07,179 DEBUG [cloud.agent.Agent]
> > (agentRequest-Handler-2:null) Processing command:
> > org.apache.cloudstack.storage.command.CopyCommand
> > 2013-09-17 17:58:07,179 DEBUG [cloud.agent.Agent]
> > (agentRequest-Handler-2:null) Seq 1-829816935:  { Ans: , MgmtId:
> > 52241639751, via: 1, Ver: v1, Flags: 10,
> >
> [{"org.apache.cloudstack.storage.command.CopyCmdAnswer":{"result":fals
> > e,"details":"unsupported
> > protocol","wait":0}}] }
> >
> > On Thu, Oct 17, 2013 at 1:45 PM, SuichII, Christopher
> > <chris.su...@netapp.com> wrote:
> >> Hm, interesting.
> >>
> >> Since nothing else in the if/else if series there depends on the src being 
> >> a
> template, I'd imagine it would be safe to just have the check be:
> >>
> >> } else if (srcData.getObjectType() == DataObjectType.TEMPLATE &&
> >> destDataStore.getRole() == DataStoreRole.Primary) {
> >>
> >> In hindsight, adding the check for the destination being a template was
> just overkill and shouldn't have been added. So, if that fixes your problem, I
> believe it is in line with that Edison and I were doing with the storage
> subsystem, however, we should check with him as well.
> >>
> >> --
> >> Chris Suich
> >> chris.su...@netapp.com<mailto:chris.su...@netapp.com>
> >> NetApp Software Engineer
> >> Data Center Platforms - Cloud Solutions Citrix, Cisco & Red Hat
> >>
> >> On Oct 17, 2013, at 3:29 PM, Marcus Sorensen
> <shadow...@gmail.com<mailto:shadow...@gmail.com>> wrote:
> >>
> >> Actually, I don't think that will fix this (though it probably fixes
> >> something :-)
> >>
> >> The issue I'm having is that we went from 'if source is a template on
> >> nfs and destination is primary storage' to 'if source is a template
> >> and destination is a template on primary storage'. We aren't copying
> >> 'template on secondary' -> 'template on primary', with CLVM we copy
> >> 'template on secondary' -> 'root disk on primary', since it's
> >> wasteful and slow to copy a thin template (say a 50G img of size
> >> 500MB) to a template on primary that's 50G, and then copy that 50G
> >> primary template to another 50G primary root disk, since the primary
> >> storage is neither thin nor clone-able.
> >>
> >> On Thu, Oct 17, 2013 at 1:16 PM, Marcus Sorensen
> <shadow...@gmail.com<mailto:shadow...@gmail.com>> wrote:
> >> Ok, let me test it.
> >>
> >> On Thu, Oct 17, 2013 at 12:56 PM, SuichII, Christopher
> >> <chris.su...@netapp.com<mailto:chris.su...@netapp.com>> wrote:
> >> Oh, I noticed this and created a fix, which I thought I already had
> submitted since it was a part of the storage refactoring a couple weeks back.
> I'll post the patch for review now.
> >>
> >> --
> >> Chris Suich
> >> chris.su...@netapp.com<mailto:chris.su...@netapp.com>
> >> NetApp Software Engineer
> >> Data Center Platforms - Cloud Solutions Citrix, Cisco & Red Hat
> >>
> >> On Oct 17, 2013, at 2:51 PM, Marcus Sorensen <shadow...@gmail.com>
> wrote:
> >>
> >> Just posting this to dev for visibility.
> >>
> >> I think commit 180cfa19 broke CLVM primary storage for KVM. I'm
> >> failing VM deploy from template. I've been building a 'sanity check'
> >> test that focuses on the KVM specific suff (tests storage types and
> >> supported host OS for now), and this bubbled up.
> >>
> >> Read more at:  https://issues.apache.org/jira/browse/CLOUDSTACK-4887
> >>
> >>

Reply via email to