[one-users] No system datastore with enough capacity form the VM

Carlos Martín Sánchez cmartin at opennebula.org
Mon Dec 16 01:52:19 PST 2013


Hi,

On Fri, Dec 13, 2013 at 7:04 PM, Mario Giammarco <mgiammarco at gmail.com>
 wrote:

> I have done other tests.
> If I use a premade image from marketplace all works.
> The problem is that I have tried to install an so from scratch (windows)
> and I have created a volatile disk.
> Probably it is my fault but I still do not understand how to put all my vm
> in ceph filesystem.
>

That's the problem. Volatile disks are created in the system datastore. To
install a new OS you need to create an empty datablock persistent image
[1], because volatile disks are always disposed when the VM is deleted.

Regards

[1]
http://opennebula.org/documentation:rel4.4:img_guide#making_images_persistent
[2] http://opennebula.org/documentation:rel4.4:template#disks_section
--
Carlos Martín, MSc
Project Engineer
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org | cmartin at opennebula.org |
@OpenNebula<http://twitter.com/opennebula><cmartin at opennebula.org>


On Fri, Dec 13, 2013 at 7:04 PM, Mario Giammarco <mgiammarco at gmail.com>wrote:

> I have done other tests.
> If I use a premade image from marketplace all works.
> The problem is that I have tried to install an so from scratch (windows)
> and I have created a volatile disk.
> Probably it is my fault but I still do not understand how to put all my vm
> in ceph filesystem.
>
>
> 2013/12/12 Carlos Martín Sánchez <cmartin at opennebula.org>
>
>> So the scheduler thinks that the VM needs 100 GB in the system DS instead
>> of the ceph image DS.
>> Could you please paste the output of onedatastore show 100 & 104 ?
>>
>> Regards
>> --
>> Carlos Martín, MSc
>> Project Engineer
>> OpenNebula - Flexible Enterprise Cloud Made Simple
>> www.OpenNebula.org | cmartin at opennebula.org | @OpenNebula<http://twitter.com/opennebula><cmartin at opennebula.org>
>>
>>
>> On Wed, Dec 11, 2013 at 8:53 PM, Mario Giammarco <mgiammarco at gmail.com>wrote:
>>
>>> Here are some parts of the log, please note that I tried two things:
>>>
>>> - clean some requirements of the vm (datastore rank stripping);
>>> - adding another system datastore (I have one shared and one ssh);
>>> - please also note that system datastore with id 0 was never used
>>> because it was not part of the cluster or "public";
>>> - I have also deleted and recreated VM;
>>>
>>> Wed Dec 11 10:02:06 2013 [SCHED][I]: Init Scheduler Log system
>>> Wed Dec 11 10:02:06 2013 [SCHED][I]: Starting Scheduler Daemon
>>> ----------------------------------------
>>>      Scheduler Configuration File
>>> ----------------------------------------
>>> DEFAULT_DS_SCHED=POLICY=1
>>> DEFAULT_SCHED=POLICY=1
>>> HYPERVISOR_MEM=0.1
>>> LIVE_RESCHEDS=0
>>> LOG=DEBUG_LEVEL=3,SYSTEM=file
>>> MAX_DISPATCH=30
>>> MAX_HOST=1
>>> MAX_VM=5000
>>> ONED_PORT=2633
>>> SCHED_INTERVAL=30
>>> ----------------------------------------
>>> Wed Dec 11 10:02:06 2013 [SCHED][I]: Starting scheduler loop...
>>> Wed Dec 11 10:02:06 2013 [SCHED][I]: Scheduler loop started.
>>> Wed Dec 11 10:08:36 2013 [VM][D]: Pending/rescheduling VM and capacity
>>> requirements:
>>>       VM  CPU      Memory   System DS  Image DS
>>> ------------------------------------------------------------
>>>        4  100      524288           0  DS 100: 0
>>> Wed Dec 11 10:08:36 2013 [HOST][D]: Discovered Hosts (enabled):
>>>  0
>>> Wed Dec 11 10:08:36 2013 [SCHED][D]: VM 4: Datastore 0 filtered out. It
>>> does not fulfill SCHED_DS_REQUIREMENTS.
>>> Wed Dec 11 10:08:36 2013 [SCHED][I]: Scheduling Results:
>>> Virtual Machine: 4
>>>
>>>         PRI     ID - HOSTS
>>>         ------------------------
>>>         0       0
>>>
>>>         PRI     ID - DATASTORES
>>>         ------------------------
>>>         1       104
>>>
>>> Wed Dec 11 10:08:36 2013 [VM][I]: Dispatching VM 4 to host 0 and
>>> datastore 104
>>> Wed Dec 11 10:10:35 2013 [VM][D]: Pending/rescheduling VM and capacity
>>> requirements:
>>>       VM  CPU      Memory   System DS  Image DS
>>> ------------------------------------------------------------
>>>        5  100      524288           0  DS 100: 0
>>> Wed Dec 11 10:10:35 2013 [HOST][D]: Discovered Hosts (enabled):
>>>  0
>>> Wed Dec 11 10:10:35 2013 [SCHED][D]: VM 5: Datastore 0 filtered out. It
>>> does not fulfill SCHED_DS_REQUIREMENTS.
>>> Wed Dec 11 10:10:35 2013 [SCHED][I]: Scheduling Results:
>>> Virtual Machine: 5
>>>
>>>         PRI     ID - HOSTS
>>>         ------------------------
>>>         0       0
>>>
>>>         PRI     ID - DATASTORES
>>>         ------------------------
>>>         1       104
>>>
>>>
>>> Wed Dec 11 10:10:35 2013 [VM][I]: Dispatching VM 5 to host 0 and
>>> datastore 104
>>> Wed Dec 11 11:24:20 2013 [VM][D]: Pending/rescheduling VM and capacity
>>> requirements:
>>>       VM  CPU      Memory   System DS  Image DS
>>> ------------------------------------------------------------
>>>        6  100     1048576      102400  DS 100: 0
>>> Wed Dec 11 11:24:20 2013 [HOST][D]: Discovered Hosts (enabled):
>>>  0
>>> Wed Dec 11 11:24:20 2013 [SCHED][D]: VM 6: Datastore 0 filtered out. It
>>> does not fulfill SCHED_DS_REQUIREMENTS.
>>> Wed Dec 11 11:24:20 2013 [SCHED][D]: VM 6: Datastore 104 filtered out.
>>> Not enough capacity.
>>> Wed Dec 11 11:24:20 2013 [SCHED][I]: Scheduling Results:
>>>
>>> Wed Dec 11 11:24:50 2013 [VM][D]: Pending/rescheduling VM and capacity
>>> requirements:
>>>       VM  CPU      Memory   System DS  Image DS
>>> ------------------------------------------------------------
>>>        6  100     1048576      102400  DS 100: 0
>>> Wed Dec 11 11:24:50 2013 [HOST][D]: Discovered Hosts (enabled):
>>>
>>> ...........
>>> ...........
>>>
>>>
>>>
>>>
>>> ed Dec 11 20:51:20 2013 [SCHED][I]: Scheduling
>>> Results:
>>>
>>> Virtual Machine:
>>> 7
>>>
>>>
>>>         PRI     ID - HOSTS
>>>         ------------------------
>>>         0       0
>>>
>>>         PRI     ID - DATASTORES
>>>         ------------------------
>>>         0       105
>>>
>>>
>>> Wed Dec 11 20:51:20 2013 [SCHED][D]: VM 7: Local Datastore 105 in Host 0
>>> filtered out. Not enough capacity.
>>> Wed Dec 11 20:51:20 2013 [SCHED][I]: VM 7: No suitable System DS found
>>> for Host: 0. Filtering out host.
>>> Wed Dec 11 20:51:50 2013 [VM][D]: Pending/rescheduling VM and capacity
>>> requirements:
>>>       VM  CPU      Memory   System DS  Image DS
>>> ------------------------------------------------------------
>>>        7  100     1048576      102400  DS 100: 0
>>> Wed Dec 11 20:51:50 2013 [HOST][D]: Discovered Hosts (enabled):
>>>  0
>>> Wed Dec 11 20:51:50 2013 [SCHED][D]: VM 7: Datastore 0 filtered out. It
>>> does not fulfill SCHED_DS_REQUIREMENTS.
>>> Wed Dec 11 20:51:50 2013 [SCHED][D]: VM 7: Datastore 104 filtered out.
>>> Not enough capacity.
>>> Wed Dec 11 20:51:50 2013 [SCHED][I]: Scheduling Results:
>>> Virtual Machine: 7
>>>
>>>         PRI     ID - HOSTS
>>>         ------------------------
>>>         0       0
>>>
>>>         PRI     ID - DATASTORES
>>>         ------------------------
>>>         0
>>> 105
>>>
>>>
>>>
>>>
>>>
>>> Wed Dec 11 20:51:50 2013 [SCHED][D]: VM 7: Local Datastore 105 in Host 0
>>> filtered out. Not enough capacity.
>>> Wed Dec 11 20:51:50 2013 [SCHED][I]: VM 7: No suitable System DS found
>>> for Host: 0. Filtering out host.
>>>
>>>
>>>
>>> 2013/12/11 Carlos Martín Sánchez <cmartin at opennebula.org>
>>>
>>>> Hi,
>>>>
>>>> Could you paste the contents of the /var/log/one/sched.log file?
>>>> It should have the amount of space that the VM needs for the system and
>>>> image datastores.
>>>>
>>>> Regards.
>>>>
>>>> --
>>>> Carlos Martín, MSc
>>>> Project Engineer
>>>> OpenNebula - Flexible Enterprise Cloud Made Simple
>>>> www.OpenNebula.org | cmartin at opennebula.org | @OpenNebula<http://twitter.com/opennebula><cmartin at opennebula.org>
>>>>
>>>>
>>>> On Wed, Dec 11, 2013 at 12:31 PM, Mario Giammarco <mgiammarco at gmail.com
>>>> > wrote:
>>>>
>>>>> Hello,
>>>>> I have created a 100gb image on ceph.
>>>>> My system datastore have few gb free.
>>>>> But image is on ceph so it should not check system datastore free
>>>>> space!
>>>>>
>>>>> I will never have a lot of space on system datastore!
>>>>>
>>>>> Thanks,
>>>>> Mario
>>>>>
>>>>> _______________________________________________
>>>>> Users mailing list
>>>>> Users at lists.opennebula.org
>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>>
>>>>>
>>>>
>>>
>>
>
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