Open Stack

Hi Balazs,

Have you tried connecting to the image via NBD (network block device).

1) Mount the image.
2) Repair/free some space.
3) Start the instance.

http://blog.vmsplice.net/2011/02/how-to-access-virtual-machine-image.html


Steve




On 15/03/16 11:20, Tomas Vondra wrote:
> Balazs Varhegyi <varh1ibalazs at ...> writes:
>
>> Hi guys,
>> I have an openstack instance that run out of storage on core machine and
>> the instance got paused.
>> I cleared up the core machine so it has more disk now but when I start
>> the machine I can't ssh in.
>> In rescue mode I'm able to ssh in but I want to unrescue the machine to
>> be able to use it again without creating a new instance and migrate
>> everything from this failed instance manually.
>> I enabled virtlib debug log but nothing interesting came up (or at least
>> I didn't notice), the only thing that indicates an error is:
>> "Domain id=53 name='instance-00000281'
>> uuid=f2715c2c-6d4e-5cf1-7606-f5552a59cb56 is tainted: host-cpu"
>> "nova list" shows the machine has the correct IP set but I'm not able to
>> ping it on private IP nor via floating IP.
>> I tracked the network configuration from libvirt.xml and it seems it's
>> configured correctly to connect to the internal bridge: "br-int" on Open
>> VSwitch.
>>
>> do you have any idea what should I try to unrescue the machine to and
>> get it into active state?
>>
>> Regards,
>> Balazs Varhegyi
>>
>>
> Hi!
> What does the log and console show when the VM is in normal state?
> The rescue mode is not a magical solution to all problem. It just runs a
> clean OS and attaches your broken one as a secondary disk. YOU have to do
> the magic to rescue it.
> Tomas
>
>
>
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-- 
Best regards
Stephen Davies
07914 346521