[one-users] Use qcow and ssh tm driver for the same host

[Paulo A L Rego]

Hi,

2012/7/18 Carlos Martín Sánchez <cmartin at opennebula.org>

> Hi,
>
> If I understood correctly, you want to share the qcow datastore, but use
> local storage for the system datastore.
>
To do this, simply set the ssh TM driver for the system DS [1], and make
> sure you are exporting only /var/lib/one/datastores/100.
>

Should i still share /var/lib/one/datastores/0 with all hosts?

Thanks


> Regards
>
> [1] http://opennebula.org/documentation:rel3.6:system_ds
> --
> Carlos Martín, MSc
> Project Engineer
> OpenNebula - The Open-source Solution for Data Center Virtualization
> www.OpenNebula.org | cmartin at opennebula.org | @OpenNebula<http://twitter.com/opennebula><cmartin at opennebula.org>
>
>
>
> On Wed, Jul 18, 2012 at 1:30 AM, Paulo A L Rego <pauloalr.alu at gmail.com>wrote:
>
>> Hello,
>>
>> Is there any way to use qcow and ssh transfer driver for the same host?
>> We have a shared FS with NFS using qcow, but when a lot of VMs are
>> launched, the storage I/O becomes a bottleneck.
>> We want to use both shared and local images for all hosts.
>>
>> We created two datastores - qcow(id 100) and ssh (id 101) - and the same
>> image was created for both.
>> The problem is that the running VMs are always placed in
>> /var/lib/one/datastores/0.
>> How the shared FS is mounted in that directory, when we deploy a VM
>> using the image on ssh datastore, the image is tranfered using ssh, but is
>> placed on the shared FS.
>>
>> We would like to have two directories for running VMs. This way we could
>> deploy on the shared FS on /var/lib/one/datastores/0 and use another
>> directory (maybe /var/lib/one/datastores/101) for local images.
>>
>> Any solution?
>>
>> Thanks a lot.
>> Paulo Antonio Leal Rego
>> Federal University of Ceara - Brazil
>>
>>
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>>
>>
>
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