[one-users] data store not created in VMHosts

[Hyun Woo Kim]

Hi,
Here is the output.

By the way, In VMHost:/var/lib/one/,  subdirectory datastores itself does not get created, let alone datastores/100

Thank you.
Hyunwoo KIM
FermiCloud Project

-bash-4.1$ onehost show -x 4
<HOST>
  <ID>4</ID>
  <NAME>fgtest12</NAME>
  <STATE>2</STATE>
  <IM_MAD>kvm</IM_MAD>
  <VM_MAD>kvm</VM_MAD>
  <VN_MAD>dummy</VN_MAD>
  <LAST_MON_TIME>1396022208</LAST_MON_TIME>
  <CLUSTER_ID>101</CLUSTER_ID>
  <CLUSTER>ipv6</CLUSTER>
  <HOST_SHARE>
    <DISK_USAGE>0</DISK_USAGE>
    <MEM_USAGE>0</MEM_USAGE>
    <CPU_USAGE>0</CPU_USAGE>
    <MAX_DISK>0</MAX_DISK>
    <MAX_MEM>16329064</MAX_MEM>
    <MAX_CPU>400</MAX_CPU>
    <FREE_DISK>0</FREE_DISK>
    <FREE_MEM>15874132</FREE_MEM>
    <FREE_CPU>397</FREE_CPU>
    <USED_DISK>0</USED_DISK>
    <USED_MEM>454932</USED_MEM>
    <USED_CPU>2</USED_CPU>
    <RUNNING_VMS>0</RUNNING_VMS>
    <DATASTORES/>
  </HOST_SHARE>
  <VMS/>
  <TEMPLATE>
    <ARCH><![CDATA[x86_64]]></ARCH>
    <CPUSPEED><![CDATA[2999]]></CPUSPEED>
    <HOSTNAME><![CDATA[fgtest12.fnal.gov]]></HOSTNAME>
    <HYPERVISOR><![CDATA[kvm]]></HYPERVISOR>
    <MODELNAME><![CDATA[Intel(R) Xeon(R) CPU            5160  @ 3.00GHz]]></MODELNAME>
    <NETRX><![CDATA[122068573]]></NETRX>
    <NETTX><![CDATA[21559876]]></NETTX>
    <VERSION><![CDATA[4.4.0]]></VERSION>
  </TEMPLATE>
</HOST>




From: Carlos Martín Sánchez <cmartin at opennebula.org<mailto:cmartin at opennebula.org>>
Date: Friday, March 28, 2014 10:54 AM
To: Hyunwoo Kim <hyunwoo at fnal.gov<mailto:hyunwoo at fnal.gov>>
Cc: "users at lists.opennebula.org<mailto:users at lists.opennebula.org>" <users at lists.opennebula.org<mailto:users at lists.opennebula.org>>
Subject: Re: [one-users] data store not created in VMHosts

Hi,

On Thu, Mar 27, 2014 at 9:57 PM, Hyun Woo Kim <hyunwoo at fnal.gov<mailto: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<mailto:cmartin at opennebula.org> | @OpenNebula<http://twitter.com/opennebula><mailto:cmartin at opennebula.org>

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