Re: [ovirt-users] VM Deployment By Template

On 08/27/2014 12:08 PM, Punit Dambiwal wrote: > Hi Itamar, > > Thanks for the update....Yes.. i want to create different size VM with > the same OS template... > > ------------ > 3. we support "disk resize" since 3.4 (iirc), which you can do post VM > provisioning. > > considering #3, then #1 should be easy to support as well these days. > please open an RFE. > ------------ > > Could you please more elaborate point number 3...how to use it..i will > go with this one ... > > iirc, you just need to edit the disk size when vm is down or up (for up, only for specific disk interfaces, virtio-blk, not ide, iirc) Thanks, > Punit > > > On Wed, Aug 27, 2014 at 4:37 PM, Itamar Heim <iheim(a)redhat.com > <mailto:iheim@redhat.com>> wrote: > > On 08/27/2014 04:18 AM, Punit Dambiwal wrote: > > Hi Michal, > > I want to deploy the VM with the template but the problem is in > ovirt > when you deploy the VM by template it copy the whole image(even > thin or > thick disk)...like if i have 40GB virtual size (actual size 1GB) > disk....it will copy the whole 40GB to provision the virtual > machine....so if i want to deploy 10 VM simultaneous then it > will copy > 4TB data and take long time to provision.... > > I want the way i can make the template with small size....and > once i > choose to create the virtual machine with 40GB...the VM deploy > with the > small template on the 40GB disk... is it possible with ovirt.. ?? > > > so you want to provision a VM with a different disk size than > template. > good point. some thoughts: > 1. for thinly provisioned (qcow2) - its COW, hence the same size. > 2. for clone - actually, no reason shouldn't be supported easily. > 3. we support "disk resize" since 3.4 (iirc), which you can do post > VM provisioning. > > considering #3, then #1 should be easy to support as well these > days. please open an RFE. > > > Thanks, > Punit > > > On Tue, Aug 26, 2014 at 9:01 PM, Michal Skrivanek > <michal.skrivanek(a)redhat.com > <mailto:michal.skrivanek@redhat.com> > <mailto:michal.skrivanek@__redhat.com > > <mailto:michal.skrivanek@redhat.com>>> wrote: > > > On Aug 26, 2014, at 12:01 , Punit Dambiwal > <hypunit(a)gmail.com <mailto:hypunit@gmail.com> > <mailto:hypunit@gmail.com <mailto:hypunit@gmail.com>>> > wrote: > > > Hi Michal, > > > > 2. I find disk size can not modify at the time of VM > provisioning,is there any way to modify the VM disk size ?? > > > > well, not really, AFAIK. > > create another disk, move your data, remove the original > Or > create a bigger thin provisioned disk at the beginning... > > > > I didn't understand the mean...i can create the another > disk...it's ok...but how to move the data from the existing > disk to > new disk at the time of the VM deployment... ?? is there > any way to > move the data.. ?? > Hi, > > You would have to do that inside the guest…the same way as > you would > do it on real hardware…mount both disks, move the relevant > data > not trivial and not automated > > > > > Another question is there any way to mount the img like > i will > create the VM with blank template with my preferred disk > size and > leter on install the OS through any OS template ??? i know > i can > install the OS through CD-ISO but i don't want the manual > installation… > > so you want to have a preinstalled OS…so how did you want > to use it? > I probably don't understand what are you trying to achieve. > Anything else than having a Template with OS and you deploy > VMs from > that….you need to change disk sizes for each such VM? Could > it be > done by adding an additional disk? > > Thanks, > michal > > > > > Thanks, > > Punit > > > > > > On Tue, Aug 26, 2014 at 5:51 PM, Michal Skrivanek > <michal.skrivanek(a)redhat.com > <mailto:michal.skrivanek@redhat.com> > <mailto:michal.skrivanek@__redhat.com > > <mailto:michal.skrivanek@redhat.com>>> > > wrote: > > > > On Aug 26, 2014, at 05:26 , Punit Dambiwal > <hypunit(a)gmail.com <mailto:hypunit@gmail.com> > <mailto:hypunit@gmail.com <mailto:hypunit@gmail.com>>> > wrote: > > > > > Hi All, > > > > > > I have some questions regarding the VM deployment > through OS > template... > > > > > > 1. I have imported centos template from openstack > glance (the > actual size of the template is 16GB but used is 1GB)...now my > question is if i deploy the new VM with this template,the > process > will copy the whole 16GB or just 1 GB to create the new VM ?? > > > > if you deploy with thin provisioned disks it should be 1GB > > > > > > > > 2. I find disk size can not modify at the time of VM > provisioning,is there any way to modify the VM disk size ?? > > > > well, not really, AFAIK. > > create another disk, move your data, remove the original. > > Or create a bigger thin provisioned disk at the beginning > > > > > > > > Thanks, > > > Punit > > > > > > > > > On Mon, Aug 25, 2014 at 5:42 PM, Punit Dambiwal > <hypunit(a)gmail.com <mailto:hypunit@gmail.com> > <mailto:hypunit@gmail.com <mailto:hypunit@gmail.com>>> wrote: > > > Hi All, > > > > > > I have some questions regarding the VM deployment > through OS > template... > > > > > > 1. I have imported centos template from openstack > glance (the > actual size of the template is 16GB but used is 1GB)...now my > question is if i deploy the new VM with this template,the > process > will copy the whole 16GB or just 1 GB to create the new VM ?? > > > > > > 2. I find disk size can not modify at the time of VM > provisioning,is there any way to modify the VM disk size ?? > > > > > > Thanks, > > > Punit > > > > > > > > > > > >