[Openstack] Help with non booting images (problem with root file system)

George Mihaiescu lmihaiescu at gmail.com
Fri Jan 20 13:47:30 UTC 2017


Check if the flavour you chose has a large enough root disk.

> On Jan 20, 2017, at 08:25, Jorge Luiz Correa <correajl at gmail.com> wrote:
> 
> Hi, I need some help with images that I can't boot. I've here some images like Cirros, Ubuntu, Fedora, CentOS etc. All downloaded as indicated here:
> 
> http://docs.openstack.org/image-guide/obtain-images.html
> 
> Some weeks ago they were working fine. But now, I can boot only Cirros image. Ubuntu, Fedora, CentOS etc give me the same error, as bellow (example of Ubuntu). 
> 
> ------------------------
> 
> Begin: Running /scripts/init-premount ... done.
> Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done.
> Begin: Running /scripts/local-premount ... [    4.703377] Btrfs loaded
> Scanning for Btrfs filesystems
> done.
> Begin: Waiting for root file system ... Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> done.
> Gave up waiting for root device.  Common problems:
>  - Boot args (cat /proc/cmdline)
>    - Check rootdelay= (did the system wait long enough?)
>    - Check root= (did the system wait for the right device?)
>  - Missing modules (cat /proc/modules; ls /dev)
> ALERT!  LABEL=cloudimg-rootfs does not exist.  Dropping to a shell!
> 
> 
> BusyBox v1.22.1 (Ubuntu 1:1.22.0-15ubuntu1) built-in shell (ash)
> Enter 'help' for a list of built-in commands.
> 
> (initramfs) [  722.260923] random: nonblocking pool is initialized
> 
> ------------------------
> 
> Tests already done:
> 
> - download all images again and update on glance;
> - delete files in instance/_base diretory of compute nodes forcing them download new images from controller;
> - look for errors on logs (no errors, images are spawned normally);
> 
> Tks!
> 
> - JLC
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