openstack team mailing list archive

["Wangpan"<hzwangpan@xxxxxxxxxxxxxxxx>]

qemu-img check -f qcow2 test.qcow2
No errors were found on the image.

2012-09-24



Wangpan



发件人：Razique Mahroua
发送时间：2012-09-24 16:30
主题：Re: Re: [Openstack] [Nova] Got 'qemu-img: error while writing sector 634880: Input/output error' in _create_image
收件人："Wangpan"<hzwangpan@xxxxxxxxxxxxxxxx>
抄送："openstack"<openstack@xxxxxxxxxxxxxxxxxxx>

hi, 
what about a 
qemu-img check -f qcow2 test.qcow2




Nuage & Co - Razique Mahroua 
razique.mahroua@xxxxxxxxx

 


Le 24 sept. 2012 à 10:19, "Wangpan"<hzwangpan@xxxxxxxxxxxxxxxx> a écrit :


Thanks for your attention!

- disk full  ----# I believe there is enough space, because I have tried to boot serveral instances after this error with the same image, they are all booted successfully.
- permission issues    ----# Not this reason, too. explain as above.

I still believe this is a race problem, if we convert to image from qcow2 to raw at a short interval, one of the convertion may fail, 
I have verified this by running two same commands continuously such as:
qemu-img convert -f qcow2 -O raw  test.qcow2 test.part &
and one of them give me the same error:
qemu-img: error while writing sector 1052672: Input/output error