[one-users] Clone images in datastore /w TM_MAD=qcow2

[Dmitri Chebotarov]

Thank you.


... and I'll start using the forum.


--
Thank you,

Dmitri Chebotarov
VCL Sys Eng, Engineering & Architectural Support, TSD - Ent Servers & Messaging
223 Aquia Building, Ffx, MSN: 1B5
Phone: (703) 993-6175 | Fax: (703) 993-3404


> On Feb 23, 2015, at 16:47 , Ruben S. Montero <rsmontero at opennebula.org> wrote:
> 
> Hi Dimitri,
> 
> We are moving the community to the new forum by the end of the week [1]. This last week things are getting even worse with the hosting company... seems a good time to move on ;)
> 
> Anyway  there are two drivers DS and TM. QoW is used for TM when a persistent image (or master/golden) is cloned to fire a new VM. The original image is moved to used state and so it won't be deleted.
> 
> On the other hand, a DS clone operation creates a completely (read independent from) the original image. Using QoW for this would be faster, but we will need more logic to flatten the snapshots when the original is deleted, and potentially we will end up with multiple snapshot layers that will degrade performance.
> 
> Cheers
> 
> Ruben
> 
> [1] http://opennebula.org/new-opennebula-community-forum/
> 
> On Mon, Feb 23, 2015 at 9:17 PM, Dmitri Chebotarov <dchebota at gmu.edu> wrote:
> I forgot to add that I'm running ONE 4.8.0
> 
> 
> --
> Thank you,
> 
> Dmitri Chebotarov
> VCL Sys Eng, Engineering & Architectural Support, TSD - Ent Servers & Messaging
> 223 Aquia Building, Ffx, MSN: 1B5
> Phone: (703) 993-6175 | Fax: (703) 993-3404
> 
> 
> > On Feb 23, 2015, at 14:52 , Dmitri Chebotarov <dchebota at gmu.edu> wrote:
> >
> > Hi,
> >
> > I'm cloning image within a datastore /w TM_MAD=qcow2.
> > The cloning process is done using 'cp' command, but I thought it should be done /w 'qemu-image clone' command. What I'm missing?
> >
> > # onedatastore show 142
> > DATASTORE 142 INFORMATION
> > ID             : 142
> > NAME           : [HOSTED] Data 1
> > USER           : dchebota
> > GROUP          : oneadmin
> > CLUSTER        : -
> > TYPE           : IMAGE
> > DS_MAD         : fs
> > TM_MAD         : qcow2
> > BASE PATH      : /var/lib/one/datastores/142
> > DISK_TYPE      : FILE
> >
> > DATASTORE CAPACITY
> > TOTAL:         : 285G
> > FREE:          : 118.6G
> > USED:          : 227.8G
> > LIMIT:         : -
> >
> > PERMISSIONS
> > OWNER          : um-
> > GROUP          : u--
> > OTHER          : ---
> >
> > DATASTORE TEMPLATE
> > CLONE_TARGET="SYSTEM"
> > DISK_TYPE="FILE"
> > DS_MAD="fs"
> > INFO="Image DS for Hosted VMs"
> > LN_TARGET="NONE"
> > TM_MAD="qcow2"
> > TYPE="IMAGE_DS"
> >
> >
> > --
> > Thank you,
> >
> > Dmitri Chebotarov
> > VCL Sys Eng, Engineering & Architectural Support, TSD - Ent Servers & Messaging
> > 223 Aquia Building, Ffx, MSN: 1B5
> > Phone: (703) 993-6175 | Fax: (703) 993-3404
> >
> >
> > _______________________________________________
> > Users mailing list
> > Users at lists.opennebula.org
> > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
> 
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> 
> 
> 
> -- 
> Ruben S. Montero, PhD
> Project co-Lead and Chief Architect
> OpenNebula - Flexible Enterprise Cloud Made Simple
> www.OpenNebula.org | rsmontero at opennebula.org | @OpenNebula