> is changed to: > if ($scfg->{type} eq 'dir' || $scfg->{type} eq 'nfs' || > $scfg->{type} eq 'glusterfs' || $scfg->{type} eq 'sheepdog' || > $scfg->{type} eq 'rbd' || $scfg->{type} eq 'zfs') { > $write_zeros = 0; > } > then this should be fixed? Yes (if zfs allocates images initialized with zero).