[ovirt-users] VM Deployment By Template
Punit Dambiwal
hypunit at gmail.com
Tue Sep 2 08:49:53 UTC 2014
Hi All,
Can anyone suggest me the good way to achieve this....or any script which i
can put in to cloud-init...to modify the root partition..
Thanks,
Punit
On Fri, Aug 29, 2014 at 9:25 AM, Punit Dambiwal <hypunit at gmail.com> wrote:
> Hi All,
>
> I read this article...can this help...
>
> https://catn.com/2013/06/03/resize-a-centos-virtual-machine-image/
>
> Thanks,
> Punit
>
>
> On Thu, Aug 28, 2014 at 10:33 PM, Michal Skrivanek <
> michal.skrivanek at redhat.com> wrote:
>
>>
>> On Aug 27, 2014, at 13:52 , Punit Dambiwal <hypunit at gmail.com> wrote:
>>
>> > Hi Itamar,
>> >
>> > It's the same as i used and discussed in last reply...create the VM
>> with 1GB virtual template and expand the disk size after deployment...but
>> the problem here is disk will expand or resize...but it will not make any
>> changes in the existing partition table..that means after expand disk all
>> the existing partition will remain same....then you need to manual login in
>> to server and make the changes with the help of fdisk and lvm commands..
>> >
>> > I am looking for the way we can resize the disk...and at the same time
>> when the disk will expand...it should be resize the partition table...
>> >
>> > Is the cloud-init...custom script can do this or not ??
>>
>> needs to be a custom script specific to the particular guest OS, I
>> suppose.
>> something like "lvresize --resizefs …"
>> Maybe some rescan of partitions (if the missing piece is indeed the
>> missing qemu-ga notification) - then just force it with fdisk
>>
>> Thanks,
>> michal
>>
>> >
>> > Thanks,
>> > Punit
>> >
>> >
>> > On Wed, Aug 27, 2014 at 6:11 PM, Itamar Heim <iheim at redhat.com> wrote:
>> > On 08/27/2014 12:47 PM, Punit Dambiwal wrote:
>> > Hi Itamar,
>> >
>> > To edit the disk size are you referring this "Another way i got is
>> > create the VM with 1GB virtual template and expand the disk size after
>> > deployment...but the problem here is disk will expand...but it will not
>> > done any changes in the existing partition table..that means after
>> > expand disk you need to manual login in to server and make the changes
>> > with the help of fdisk and lvm commands..."
>> >
>> > Or it's different then the upper one...please let me know how to perform
>> > this...if any screen shot you can provide for better understanding..
>> >
>> > http://www.ovirt.org/Features/Online_Virtual_Drive_Resize
>> > adding derez for follow up questions
>> >
>> >
>> > Thanks,
>> > Punit
>> >
>> >
>> > On Wed, Aug 27, 2014 at 5:15 PM, Itamar Heim <iheim at redhat.com
>> > <mailto:iheim at redhat.com>> wrote:
>> >
>> > 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 at redhat.com
>> > <mailto:iheim at redhat.com>
>> > <mailto:iheim at redhat.com <mailto:iheim at 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 at redhat.com
>> > <mailto:michal.skrivanek at redhat.com>
>> > <mailto:michal.skrivanek at __redhat.com
>> > <mailto:michal.skrivanek at redhat.com>>
>> > <mailto:michal.skrivanek@
>> > <mailto:michal.skrivanek@>__red__hat.com <http://redhat.com>
>> >
>> >
>> > <mailto:michal.skrivanek at __redhat.com
>> > <mailto:michal.skrivanek at redhat.com>>>> wrote:
>> >
>> >
>> > On Aug 26, 2014, at 12:01 , Punit Dambiwal
>> > <hypunit at gmail.com <mailto:hypunit at gmail.com>
>> > <mailto:hypunit at gmail.com <mailto:hypunit at gmail.com>>
>> > <mailto:hypunit at gmail.com
>> > <mailto:hypunit at gmail.com> <mailto:hypunit at gmail.com
>> > <mailto:hypunit at 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 at redhat.com
>> > <mailto:michal.skrivanek at redhat.com>
>> > <mailto:michal.skrivanek at __redhat.com
>> > <mailto:michal.skrivanek at redhat.com>>
>> > <mailto:michal.skrivanek@
>> > <mailto:michal.skrivanek@>__red__hat.com <http://redhat.com>
>> >
>> >
>> > <mailto:michal.skrivanek at __redhat.com
>> > <mailto:michal.skrivanek at redhat.com>>>>
>> >
>> > wrote:
>> > >
>> > > On Aug 26, 2014, at 05:26 , Punit Dambiwal
>> > <hypunit at gmail.com <mailto:hypunit at gmail.com>
>> > <mailto:hypunit at gmail.com <mailto:hypunit at gmail.com>>
>> > <mailto:hypunit at gmail.com
>> > <mailto:hypunit at gmail.com> <mailto:hypunit at gmail.com
>> > <mailto:hypunit at 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 at gmail.com <mailto:hypunit at gmail.com>
>> > <mailto:hypunit at gmail.com <mailto:hypunit at gmail.com>>
>> > <mailto:hypunit at gmail.com <mailto:hypunit at gmail.com>
>> >
>> > <mailto:hypunit at gmail.com <mailto:hypunit at 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
>> > > >
>> > >
>> > >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ovirt.org/pipermail/users/attachments/20140902/21346191/attachment-0001.html>
More information about the Users
mailing list