[Openstack] big problem with boot from iso
William Herry
william.herry.china at gmail.com
Tue Jun 26 07:14:24 UTC 2012
Thanks for you reply
I guess that's not the reason, I noticed that instances's xml file, and I
find:
<disk type="file" device="cdrom">
<driver type="qcow2" cache="none"/>
<source file="/var/lib/nova/instances/instance-00000011/disk"/>
<target bus="ide" dev="vda"/>
</disk>
<disk type="file" device="cdrom">
<driver type="qcow2" cache="none"/>
<source file="/var/lib/nova/instances/instance-00000011/disk.local"/>
<target bus="virtio" dev="vdb"/>
</disk>
<disk type="file" device="disk">
<driver type="qcow2" cache="none"/>
<source file="/var/lib/nova/instances/instance-00000011/disk.swap"/>
<target bus="virtio" dev="vdc"/>
</disk>
it set vda and vdb to cdrom, only swap is set to disk, I don't know why
this happen
Thanks
On Tue, Jun 26, 2012 at 3:05 PM, Christian Parpart <trapni at gmail.com> wrote:
> On Tue, Jun 26, 2012 at 2:30 AM, William Herry <
> william.herry.china at gmail.com> wrote:
>
>> Hi
>> I use boot from iso to install a centos instance, it can't recognize the
>> disk, I create a flavor with 300G ephemeral and 300G disk, it says no valid
>> disk found, but when I create a flavor with 300000 swap, it found the disk
>> vdb, and can install the system, but of course can boot
>
> Hey,
>
> maybe your VM disk space is exported as VIRTIO block-device (/dev/vda,
> ...) and your ISO image doesn't support these block devices? Try loading
> its underlying kernel module :)
>
> Cheers,
> Christian.
>
>
--
William Herry
====================
WilliamHerryChina at Gmail.com
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