[one-users] use of image CACHE attribute in images

[Ruben S. Montero]

Hi Olivier,

You need to update the VM Template, not the IMAGE. You can find the CACHE
attribute in the Storage (DISK) section under advance.

Cheers

Ruben


On Wed, Mar 26, 2014 at 12:40 PM, Olivier Sallou <olivier.sallou at irisa.fr>wrote:

> Hi,
> I have opennebula 4.2 over KVM and was trying to use the CACHE attribute
> to set it to  'writeback' (according to
>
> http://archives.opennebula.org/documentation:archives:rel4.2:template#i_o_devices_section
> ).
> I indeed face very slow disk I/O though using ext3 filesystem and virtio.
>
> I have tagged my image with a tag CACHE, but I do not see it in
> generated template. I have the DEV_PREFIX (used for virtio), but no CACHE.
>
> Any idea of what is going wrong ? There is no eror in the logs
>
> Thanks
>
> Olivier
>
> --
> Olivier Sallou
> IRISA / University of Rennes 1
> Campus de Beaulieu, 35000 RENNES - FRANCE
> Tel: 02.99.84.71.95
>
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> Key fingerprint = 5FB4 6F83 D3B9 5204 6335  D26D 78DC 68DB 326D 8438
>
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-- 
-- 
Ruben S. Montero, PhD
Project co-Lead and Chief Architect
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org | rsmontero at opennebula.org | @OpenNebula
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