On Sun, Jan 06, 2008 at 04:19:49PM +0900, Mike Hommey wrote: > On Wed, Aug 10, 2005 at 10:48:43AM +0200, Piotr Roszatycki wrote: > > Package: qemu > > Version: 0.7.0.cvs20050706-0.1 > > Severity: normal > > > > qemu-make-debian-root tool should create sparse file as qemu-img do. > > > > Just now qemu-make-debian-root creates i.e. one large block filled with > > zeros. > > It should create sparse file which saves the disk space because i.e. 2G > > empty > > file in fact writes just 10M on the disk! > > > > This should be correct call of `dd' utility: > > > > dd bs=$(($SECTORS * 512)) if=/dev/zero of=$IMAGE.ext2 count=1 > > seek=$(($CYLINDERS * $HEADS - 2)) > > Even better: > dd bs=$(($SECTORS * 512)) of=$IMAGE.ext2 count=0 seek=$(($CYLINDERS * $HEADS > - 1)) > > I'd also say the whole creation of a partition table is pretty much > useless, and the fstab could contain /dev/hda instead of /dev/hda1.
(...) Especially considering a bootloader is not installed and the -kernel option of qemu is already necessary. This also means there is no reason to bother with cylinders and heads in the size calculation. Mike -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
