[pve-devel] [PATCH qemu-server] add detect_zeroes option

[Wolfgang Bumiller]

> On December 17, 2015 at 3:28 PM Dietmar Maurer <dietmar at proxmox.com> wrote:
> > On some storages BLKZEROOUT commands do not work properly
> > and return without error while having no effect whatsoever.
> > This can produce various filesystem errors and thus needs
> > to be made optional.
> 
> But this is a serious bug in the storage implementations, so it
> should be fixed on the storage instead?

Yes, which is why the default behavior stays untouched.