Cool! Thanks for pointing it out... :-)
On 14 July 2014 02:14, Belmiro Moreira < moreira.belmiro.email.li...@gmail.com> wrote: > Hi Martinx, > currently nova only supports "fallocate" to preallocate space. > Use the confirmation option "preallocate_images=space". > > "preallocation=metadata" is mentioned in > https://blueprints.launchpad.net/nova/+spec/preallocated-images > as future work. > > Belmiro > > ----------------------- > Belmiro Moreira > CERN > > > > On Sat, Jul 12, 2014 at 3:04 AM, Martinx - ジェームズ < > thiagocmarti...@gmail.com> wrote: > >> When I said "which is slower", I meant that it makes that running >> Instance slower later... With preallocatoin=metadata, the running instances >> will be a bit faster without losing storage space with lots of zeros... >> >> My /var/lib/nova/insntances subdir in a XFS File System on top of a >> hardware RAID... >> >> >> On 11 July 2014 20:54, Martinx - ジェームズ <thiagocmarti...@gmail.com> wrote: >> >>> Guys, >>> >>> How can I configure the Compute Node, to create its qcow2 images, using >>> preallocation? >>> >>> Currently, OpenStack Nova Compute creates the instance image, using >>> "qemu-img create" without passing the option "-o preallocation=metadata" to >>> it, which is slower. >>> >>> So, how can I reconfigure nova compute to make use of preallocation?! >>> >>> Libvirt supports it, commits: >>> >>> >>> http://libvirt.org/git/?p=libvirt.git;a=commit;h=1c9a2fb1aef1729ac86cd6648b5c2b7584f5f698 >>> >>> >>> http://libvirt.org/git/?p=libvirt.git;a=commit;h=790dfee5eaf8600282da5a3d61bf807516f1b87e >>> >>> Tks! >>> Thiago >>> >> >> >> _______________________________________________ >> Mailing list: >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> Post to : openstack@lists.openstack.org >> Unsubscribe : >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> >> >
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