[one-users] OpenNebula on a VM

[Tino Vazquez]

Dear Michael,

Correct me if I am wrong (transfer manager stuff is always hard ;) ),
but aren't you re-implementing the shared datastore?

Regards,

-Tino

--
Constantino Vázquez Blanco, MSc
Project Engineer
OpenNebula - The Open-Source Solution for Data Center Virtualization
www.OpenNebula.org | @tinova79 | @OpenNebula


On Fri, Jun 8, 2012 at 5:00 PM, Michael Kutzner
<michael.kutzner at virtion.de> wrote:
> Hi Steve,
>
> Am 08.06.2012 um 16:32 schrieb Steven C Timm:
>
>>
>> For those of you who are running the oned on a VM, which image repository type are you using?  Are you having any problems with performance loading VM images into or out of the image repository?
>
> we are currently running the ssh datastore with the images stored on an nfs server (non shared system datastore).
> The nfs share is mounted on any node and we are not deploying or copying back
> the images via scp - this needed small modifications in the ssh tm but is performing
> better when copying huge images and e.g. deploying several machines to different
> nodes (the nfs servers are connected via 10Gig).
>
> Modifications just done to "ln" and "mvds" scripts of the ssh tm driver.
>
> ln:
>    ssh_exec_and_log "$DST_HOST" "cp -r $SRC_PATH $DST_PATH" "Error copying $SRC_PATH to $DST_PATH on host $DST_HOST"
>    instead of
>    exec_and_log "$SCP -r $SRC $DST" "Error copying $SRC to $DST"
>
> mvds
>  ssh_exec_and_log "$SRC_HOST" "cp -r $SRC_PATH $DST_PATH" "Error copying $SRC_PATH to $DST_PATH on host $SRC_HOST"
>  instead of
>  exec_and_log "$SCP -r $SRC $DST" "Error copying $SRC to $DST"
>
> The performance for frontend-local processes is fine - linespeed of the gbit host interface.
>
> It is a small vm (mysql is running on an external cluster), just 2GB of RAM, non public
> sunstone.
>
> Best, Michael
>
>
>>
>> Steve
>>
>> -----Original Message-----
>> From: users-bounces at lists.opennebula.org [mailto:users-bounces at lists.opennebula.org] On Behalf Of Jhon Masschelein
>> Sent: Friday, June 08, 2012 1:28 AM
>> To: computedive at gmail.com
>> Cc: users at lists.opennebula.org
>> Subject: Re: [one-users] OpenNebula on a VM
>>
>> Hi,
>>
>> We run the oned and mm_sched daemons in a VM and have sunstone running in its own VM. This way, even if the sunstone get overloaded (it is a public web site), the oned won't suffer.
>>
>>
>> Our opennebula VM has 4 cores and 32 GB Ram, but in our experience, the
>> load of the  VM is very low and if we ever need the resurces for
>> something else, we'll probably shrink this VM to half its size.
>>
>> The sunstone VM is just a website, so you have to scale it according to
>> the use. For now it's a one core, 512MB VM and it runs quite smoothly.
>>
>> Wkr,
>>
>> Jhon
>>
>> On 06/07/2012 05:50 PM, computedive at gmail.com wrote:
>>> Hi,
>>>
>>> Are there any restrictions on hosting OpenNebula Front-end on a
>>> virtual machine if enough compute resources were guaranteed for that
>>> VM?
>>>
>>> Is there a recommended systems requirements for OpenNebula
>>> installation (CPU/RAM) .. I know it all depends on the environment
>>> size, num of VMs/hypervisors :) .. but a general guide line would be
>>> helpful..
>>>
>>> thanks.
>>>
>>> Sent from my BlackBerry(r) smartphone
>>> _______________________________________________ Users mailing list
>>> Users at lists.opennebula.org
>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>
>>
>> --
>> Jhon Masschelein
>> Senior Systeemprogrammeur
>> SARA - HPCV
>>
>> Science Park 140
>> 1098 XG Amsterdam
>> T +31 (0)20 592 8099
>> F +31 (0)20 668 3167
>> M +31 (0)6 4748 9328
>> E jhon.masschelein at sara.nl
>> http://www.sara.nl
>>
>>
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>
>
>
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