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From Nux! <...@li.nux.ro>
Subject Re: [RFC] adding volume provisioning method option
Date Fri, 31 Jan 2014 21:10:56 GMT
On 31.01.2014 20:24, Yoshikazu Nojima wrote:
> Afternoon All,
> 
> Is there anyone working on adding volume provisioning method option?
> As you know, thin provisioning of a volume save consumption of a
> storage, and fat provisioning improves IOPS performance.
> Especially, Qcow2 can save storage consumption and achive relatively
> better performance than default by provisioning a volume with an
> option "preallocation=metadata", which makes an image file a sparse
> file.
> http://itscblog.tamu.edu/improve-disk-io-performance-in-kvm/#.232---preallocation
> 
> Any thoughts about this?
> If it is ok, I will write a feature specification on confluence and
> start implementation.
> 
> Regards,
> Noji
> 
> 
> Yoshikazu Nojima <mail@ynojima.net>

Hello,

I thought preallocation=metadata is common practice since years. Now I 
find out ACS doesn't actually use it?
If so, this is really _bad_ and needs to be fixed ASAP...

Thanks Noji

-- 
Sent from the Delta quadrant using Borg technology!

Nux!
www.nux.ro

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