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Thanks Don,
                  it works, i was thinking that image should be large
enough to fit in all flavor sizes ;-)


On Sun, Aug 10, 2014 at 8:39 PM, Don Waterloo <don.waterloo at gmail.com>
wrote:

> On 10 August 2014 09:55, mad Engineer <themadengin33r at gmail.com> wrote:
> >
> > Hi,
> >     i am using Centos6.5 with Icehouse release,on KVM Hypervisor,
> >
> > Trying to launch Centos  instance from a newly uploaded qcow2 image.
> >
> > Created centos6.5 image in qcow2 format with 60G virtual size and actual
> size of 1.7G
> >
> > image: Centos6.5_x64.qcow2
> > file format: qcow2
> > virtual size: 60G (64424509440 bytes)
> > disk size: 1.7G
> > cluster_size: 65536
> >
> > after uploading to glance
> >
> > glance image-list
> >
> > glance image-list
> >
> +--------------------------------------+---------------------+-------------+------------------+------------+--------+
> > | ID                                   | Name                | Disk
> Format | Container Format | Size       | Status |
> >
> +--------------------------------------+---------------------+-------------+------------------+------------+--------+
> > | 34b7dc50-51b2-4c01-9605-444f4f01f02d | centos6.5           | qcow2
>   | bare             | 1851195392 | active |
> >
> >
> > When an instance is created from above image with flavor m1.small ie
> with 20.0GB Disk
> >
> > compute.log shows
> > FlavorDiskTooSmall: Flavor's disk is too small for requested image.
> > any idea why is it so,even with disk size 60Gb > 20G
> >
> > Can this be a Bug
> >
> > "Cirros works fine"
> > Thanks,
>
> It must allocate the 60GB that it might grow to.
> Instead, make the disk be 2GB (qemu-img create centos6.5.qcow 2G),
> install in it, and install the growfs info.
> When you launch from glance to nova, it will auto-size to whatever
> disk you give it. Use a flavor with min-disk 2G.
>
> Now someone can launch it @ 2G, have ~300MB free, or launch it as 20G
> and have ~18GB free, their call.
>
> But the way you have it, you must use a flavor of min-disk >= 60.
>
> Not a bug.
>
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