You get this error if there are no nbd devices. Specifically /sys/block/nbd0 doesn't exist. I'd start by seeing if the kernel module is loaded.
Cheers, Michael On Fri, May 3, 2013 at 10:57 AM, Mohammed Amine SAYA <asaya.openst...@gmail.com> wrote: > Hi All, > > I have had time to investigate why booting from volume doesn't work and I > found the following trace in /var/log/nova/nova-compute.log. > > I took a look at nova.conf but I couldn't find any relevent entry for > nova.virt.disk.mount.disk. > > Is it normal to have this trace? It occurs every time I try to launch a new > instance whether nova uses a standalone image or tries to boot from a > volume. > > Has nova.virt.disk.mount.nbd module been integrated to nova? > > BTW, I deployed grizzly 2013.1. > > Any hint on this issue guys? > > Thanks for you help. > Amine. > > 2013-05-03 02:04:03.447 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:05.449 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:07.451 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:09.452 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:11.454 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:13.475 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:15.477 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:17.479 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:19.481 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:21.483 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:23.551 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:25.554 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:27.556 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:29.556 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:31.558 ERROR nova.virt.disk.mount.nbd > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] nbd module not loaded > 2013-05-03 02:04:33.636 WARNING nova.virt.disk.mount.api > [req-afe5f7ba-ac22-4d6c-9fad-283903de0193 f037cb17ddba4a92b1429e11b0c3200e > 28be43a159854b43ae3b3bdcec3f266a] Device allocation failed after repeated > retries. > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
