Displaying 3 results from an estimated 3 matches for "eundurance".
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2018 Jun 19
3
Re: Reintroduce "allocate entire disk" checkbox on virt-manager
...ion is very handy and much less error
prone.
As it is now, if using a fallocate-less filesystem (eg: ZFS) and *not*
selecting to create a custom disk, you risk waiting minutes or hours for
libvirt to fully allocate the image by writing 0s to the disk file. This
can wreck havok on SSDs and other eundurance-limited medium.
> qcow2 is the default for virt-manager because it enables features like
> snapshots out of the box. The main motivation I have largely heard for
> wanting raw over qcow2 is performance, but then using sparse raw
> actually makes raw less performant, so it's kind of...
2018 Jun 26
0
Re: Reintroduce "allocate entire disk" checkbox on virt-manager
...much less error
> prone.
> As it is now, if using a fallocate-less filesystem (eg: ZFS) and *not*
> selecting to create a custom disk, you risk waiting minutes or hours for
> libvirt to fully allocate the image by writing 0s to the disk file. This
> can wreck havok on SSDs and other eundurance-limited medium.
>
>> qcow2 is the default for virt-manager because it enables features like
>> snapshots out of the box. The main motivation I have largely heard for
>> wanting raw over qcow2 is performance, but then using sparse raw
>> actually makes raw less performant...
2018 Jun 19
2
Re: Reintroduce "allocate entire disk" checkbox on virt-manager
Il 19-06-2018 20:14 Cole Robinson ha scritto:
> If you change the disk image format from qcow2 to raw in
> Edit->Preferences, then new disk images are set to fully allocated raw.
> Check the image details with 'qemu-img info $filename' to confirm. So I
> think by default we are doing what you want?
>
> - Cole
Er, the point is that I would really like to have a