[one-users] NFS VM deployment keep getting same error over and over

Jaime Melis jmelis at opennebula.org
Mon May 5 02:40:14 PDT 2014


Hi Christope,
what do you mean exactly with the whole system crashed? (logs please)

Could you send us the output of the mount command in the frontend and the
nodes, and the /etc/exports of the nfs server

cheers,
Jaime



On Fri, May 2, 2014 at 4:22 PM, Christophe Duez <
christophe.duez at student.uantwerpen.be> wrote:

> I tried this to move the whole /var/lib/one/ directory to my data store.
> however after doing this and mounting it back to the opennebula server and
> nodes the whole system crashed :/
> nothing worked anymore...
> What I did was with the command rsync -aHvz /var/lib/one/ root at datastore
> :/var/lib/one
> then deleted the /var/lib/one directory on the frontend and mounted it back
> so what did I do wrong?
>
>
> On Fri, May 2, 2014 at 2:41 PM, Campbell, Bill <
> bcampbell at axcess-financial.com> wrote:
>
>>  That sounds correct.  If you share the /var/lib/one directory among
>> nodes, then the datastores that you create will be shared as well.
>>
>>  You can have individual datastores mounted, (for example, system
>> datastore 0, datastore 100, etc.) and if using the 'shared' transfer
>> manager driver you will need to have them mounted on opennebula node and
>> hypervisor nodes.
>>
>>   ------------------------------
>>
>>
>> *Bill Campbell *Infrastructure Architect
>>
>>  Axcess Financial Services, Inc.
>> 7755 Montgomery Rd., Suite 400
>> Cincinnati, OH  45236
>>
>>  ------------------------------
>>  *From: *"Christophe Duez" <christophe.duez at student.uantwerpen.be>
>> *To: *"Bill Campbell" <bcampbell at axcess-financial.com>
>> *Cc: *"opennebula" <users at lists.opennebula.org>
>> *Sent: *Friday, May 2, 2014 2:49:42 AM
>>
>> *Subject: *Re: [one-users] NFS VM deployment keep getting same error
>> over and over
>>
>>  Hello,
>> What I think I should do and did is moving the entire /var/lib/one
>> directory to my data store.
>> then I removed the /var/lib/one directory on my frontend and mounted the
>> /var/lib/one directory on my data store.
>> after that i changed the mounting pad for my nodes to that from the data
>> store instead of that one from the frontend.
>> is this correct?
>>
>>
>>  On Thu, May 1, 2014 at 11:37 PM, Christophe Duez <
>> christophe.duez at student.uantwerpen.be> wrote:
>>
>>> Hello,
>>> Sorry but I don't really understand you.
>>> I need to directly connect the hypervisors (my kvm nodes) to the nfs
>>> data storage?
>>>  OR
>>> I have to move my entire /var/lib/one directory to my data storage and
>>> connect my frontend and backends to it?
>>> sorry
>>> kind regards
>>>
>>>
>>>
>>>  On Thu, May 1, 2014 at 11:16 PM, Campbell, Bill <
>>> bcampbell at axcess-financial.com> wrote:
>>>
>>>>  The system datastore will also need to be shared.  Images will be
>>>> copied (or linked if using persistent images) to the system datastore when
>>>> you deploy.
>>>>
>>>>  Typically in a shared/NFS environment, we see the /var/lib/one
>>>> directory shared among the host and the hypervisors, then any additional
>>>> nfs mounts you may have shared at the respective directories (like you have
>>>> currently).
>>>>
>>>>  So what I would recommend is either creating a NFS export for your
>>>> system datastore and connecting the hypervisors to it, or creating a NFS
>>>> export for the entirety of the /var/lib/one directory.
>>>>
>>>>
>>>> http://docs.opennebula.org/4.6/administration/storage/system_ds.html#system-ds
>>>>
>>>>
>>>>   ------------------------------
>>>>
>>>>
>>>> *Bill Campbell *Infrastructure Architect
>>>>
>>>>  Axcess Financial Services, Inc.
>>>> 7755 Montgomery Rd., Suite 400
>>>> Cincinnati, OH  45236
>>>>
>>>>  ------------------------------
>>>>  *From: *"Christophe Duez" <christophe.duez at student.uantwerpen.be>
>>>> *To: *"Bill Campbell" <bcampbell at axcess-financial.com>
>>>> *Cc: *"opennebula" <users at lists.opennebula.org>
>>>> *Sent: *Thursday, May 1, 2014 5:08:39 PM
>>>> *Subject: *Re: [one-users] NFS VM deployment keep getting same error
>>>> over and over
>>>>
>>>>
>>>>  Hello,
>>>> I have a CentOS server that runs NFS
>>>> I added a data storage with following template:
>>>> NAME = nfs_images
>>>> DS_MAD = fs
>>>> TM_MAD = shared
>>>>
>>>>  it is linked via
>>>> datastore:/var/nfs /var/lib/one/datastores/100 nfs rw,sync,hard,intr 0 0
>>>>  where datastore is my CentOS datastore server
>>>>
>>>>  Is that the information you searched?
>>>> All my progress is logged in my_commands.pdf<https://dl.dropboxusercontent.com/u/1178273/All%20commands.pdf>
>>>> So I have a tutorial at final
>>>>
>>>>  Kind regards
>>>>
>>>>
>>>>  On Thu, May 1, 2014 at 10:38 PM, Campbell, Bill <
>>>> bcampbell at axcess-financial.com> wrote:
>>>>
>>>>>  Sure, I can try to help.
>>>>>
>>>>>  How are your datastores configured?  What transfer manager are you
>>>>> using, shared or ssh?
>>>>>
>>>>>   ------------------------------
>>>>>
>>>>>
>>>>> *Bill Campbell *Infrastructure Architect
>>>>>
>>>>>  Axcess Financial Services, Inc.
>>>>> 7755 Montgomery Rd., Suite 400
>>>>> Cincinnati, OH  45236
>>>>>
>>>>>  ------------------------------
>>>>>  *From: *"Christophe Duez" <christophe.duez at student.uantwerpen.be>
>>>>> *To: *"opennebula" <users at lists.opennebula.org>
>>>>> *Sent: *Thursday, May 1, 2014 4:20:23 PM
>>>>> *Subject: *[one-users] NFS VM deployment keep getting same error over
>>>>> and over
>>>>>
>>>>>
>>>>>  Hello, I'm keep getting the same error.
>>>>> can anyone please help me!
>>>>> I really really need help....
>>>>> http://pastebin.com/nF5JaWuZ
>>>>>
>>>>>  Thank you in advance
>>>>>
>>>>>
>>>>>  _______________________________________________
>>>>> Users mailing list
>>>>> Users at lists.opennebula.org
>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>>
>>>>>
>>>>> *NOTICE: Protect the information in this message in accordance with
>>>>> the company's security policies. If you received this message in error,
>>>>> immediately notify the sender and destroy all copies.*
>>>>>
>>>>
>>>>
>>>>
>>>>  --
>>>> Kind regards,
>>>> Duez Christophe
>>>> Student at University of Antwerp :
>>>> Master of Industrial Sciences: Electronics-ICT
>>>>
>>>> E christophe.duez at student.uantwperen.be
>>>> L linkedin duez-christophe<http://www.linkedin.com/pub/duez-christophe/74/7/39>
>>>>
>>>>
>>>> *NOTICE: Protect the information in this message in accordance with the
>>>> company's security policies. If you received this message in error,
>>>> immediately notify the sender and destroy all copies.*
>>>>
>>>
>>>
>>>
>>>  --
>>> Kind regards,
>>> Duez Christophe
>>> Student at University of Antwerp :
>>> Master of Industrial Sciences: Electronics-ICT
>>>
>>> E christophe.duez at student.uantwperen.be
>>> L linkedin duez-christophe<http://www.linkedin.com/pub/duez-christophe/74/7/39>
>>>
>>
>>
>>
>>  --
>> Kind regards,
>> Duez Christophe
>> Student at University of Antwerp :
>> Master of Industrial Sciences: Electronics-ICT
>>
>> E christophe.duez at student.uantwperen.be
>> L linkedin duez-christophe<http://www.linkedin.com/pub/duez-christophe/74/7/39>
>>
>>
>> *NOTICE: Protect the information in this message in accordance with the
>> company's security policies. If you received this message in error,
>> immediately notify the sender and destroy all copies.*
>>
>
>
>
> --
> Kind regards,
> Duez Christophe
> Student at University of Antwerp :
> Master of Industrial Sciences: Electronics-ICT
>
> E christophe.duez at student.uantwperen.be
> L linkedin duez-christophe<http://www.linkedin.com/pub/duez-christophe/74/7/39>
>
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
>


-- 
Jaime Melis
Project Engineer
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org | jmelis at opennebula.org
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