Am 2008-04-25 01:21:39, schrieb Rafael Fontenelle: > Strange. I set a virtual machine with an extra harddisk and I just ran 'cat > /dev/null > /dev/hdd' as root with /dev/hdd3 umounted in the first attempt > and then mounted in the second, but nothing happened with my partition or > the whole virtual disk. See the output below: > > rffdebian01:/# cat /dev/null > /dev/hdd > rffdebian01:/# cd /mnt/hdd3/ > rffdebian01:/mnt/hdd3# ls > file > rffdebian01:/mnt/hdd3# > > It seems that /dev/null really returned _nothing_. Very different from 'cat > /dev/zero > /dev/hdd'. This one really formated the virtual harddisk, > cleaning incl. the partition table (I had to remake the partitions with > cfdisk). Also displayed a message after completing the harddisk with zeros. > > rffdebian01:/# umount /dev/hdd3 && cat /dev/zero > /dev/hdd > cat: write error: No space left on device > rffdebian01:/#
dd if=/dev/zero of=/dev/hdd bs=1M
Thanks, Greetings and nice Day
Michelle Konzack
Systemadministrator
24V Electronic Engineer
Tamay Dogan Network
Debian GNU/Linux Consultant
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