Hello Nux, Thank you for your comment. I will prepare feature specification.
Regards, 2014-01-31 Nux! <n...@li.nux.ro>: > 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 <m...@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