We use nfs backed instances a lot, and this problem normally has to do with wrong permission management in your filer and/or client.
Check if not only root can write on the nfs share (specially libvirt user). Diego -- Diego Parrilla <http://www.stackops.com/>*CEO* *www.stackops.com | * diego.parri...@stackops.com** | +34 649 94 43 29 | skype:diegoparrilla* * <http://www.stackops.com/> ** On Tue, Apr 3, 2012 at 6:43 PM, Mandar Vaze / मंदार वझे < mandarv...@gmail.com> wrote: > I saw an old question posted here : > https://answers.launchpad.net/nova/+question/164689 > > But I am not trying live migration. > > I have nfs mounted instances_path - so when I try to spawn an instance I > run into the above errors. Especially following : > > File "/usr/lib/python2.7/dist-packages/libvirt.py", line 372, in > createWithFlags > 40842 2012-04-03 05:42:27 TRACE nova.rpc.amqp if ret == -1: raise > libvirtError ('virDomainCreateWithFlags() failed', dom=self) > 40843 2012-04-03 05:42:27 TRACE nova.rpc.amqp libvirtError: internal error > Process exited while reading console log output: chardev: opening > backend "file" failed > > But as you can see below, several files are created in this folder, so I > am not sure if mine if permissions issue (Else none of the files would > get created) The problem is reported when libvirt tries to write to > console.log (File itself is created with correct permissions - just that > this is zero byte file) > > mandar@ubuntu-dev-mandar:/nfs_shared_instances_path/instance-00000005$ ll > total 10944 > drwxrwxr-x 2 mandar libvirtd 4096 2012-04-03 05:42 ./ > drwxrwxrwx 4 root root 4096 2012-04-03 05:42 ../ > -rw-rw---- 1 mandar libvirtd 0 2012-04-03 05:42 console.log > -rw-r--r-- 1 mandar libvirtd 6291968 2012-04-03 05:42 disk > -rw-rw-r-- 1 mandar libvirtd 4731440 2012-04-03 05:42 kernel > -rw-rw-r-- 1 mandar libvirtd 1067 2012-04-03 05:42 libvirt.xml > -rw-rw-r-- 1 mandar libvirtd 2254249 2012-04-03 05:42 ramdisk > > I'm suspecting : > https://bugs.launchpad.net/ubuntu/maverick/+source/libvirt/+bug/632696 > But I the above doesn't show itself in non-NFS setup > > Please suggest !!! > > -Mandar > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > >
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