[one-users] data store not created in VMHosts

[Carlos Martín Sánchez]

Hi,

On Thu, Mar 27, 2014 at 9:57 PM, Hyun Woo Kim <hyunwoo at fnal.gov> wrote:

>  Hi,
>
>  I am testing the data store feature of ON 4.4 in a very simple
> configuration
> and I am getting an error that I can NOT understand.
>
>  I have one cluster with
> one img type DS (ID 1, DS=fs, T/M=ssh) and
> one sys type DS   (ID 100, that I created with ssh TM)
>
>  Then I attach one VMHost to this cluster.
> According to the manual, the first deployment of VM creates
> datastores/100 under /var/lib/one/, right?
>
>  But in my case, the first deployed VM is pending
> with an error message in sched.log saying,
>   Local Datastore 100 in Host 8 filtered out. Not enough capacity.
>  No suitable System DS found for Host: 8. Filtering out host.
>
>  This VM gets deployed if I manually create this directory;
>  mkdir -p /var/lib/one/datastores/100
>
>  This error sometimes does not happen for a certain VMHost.
>
>  So, I would like to understand why datastores/ID is created in some
> VMHosts
> and not in other VMHosts.
>
>  if the ON developers could point me at right codes to look at,
> or describe what I am doing wrong,
> it will be very helpful.
>
>  Thanks,
> Hyuwoo Kim
> FermiCloud
>

The scheduler should take into account the space of /var/lib/one/datastores
when ../100 does not exist. Can you send us the output of onehost show -x?

Regards
--
Carlos Martín, MSc
Project Engineer
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org <http://www.opennebula.org/> | cmartin at opennebula.org |
@OpenNebula <http://twitter.com/opennebula> <cmartin at opennebula.org>
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