https://bugzilla.novell.com/show_bug.cgi?id=754789
https://bugzilla.novell.com/show_bug.cgi?id=754789#c1
Petr Uzel
dhcp12:~ # lsscsi [3:0:0:0] disk Linux scsi_debug 0004 /dev/sda
dhcp12:~ # cat /etc/SuSE-release openSUSE 12.1 (i586) VERSION = 12.1 CODENAME = Asparagus
dhcp12:~ # rpm -q util-linux util-linux-2.20.1-1.8.1.i586
dhcp12:~ # dd if=/dev/zero of=/dev/sda bs=4096 dd: writing `/dev/sda': No space left on device 2049+0 records in 2048+0 records out 8388608 bytes (8.4 MB) copied, 0.0187378 s, 448 MB/s
dhcp12:~ # cat /root/input ,,7
dhcp12:~ # sfdisk /dev/sda < input Checking that no-one is using this disk right now ... OK
Disk /dev/sda: 64 cylinders, 8 heads, 32 sectors/track
sfdisk: ERROR: sector 0 does not have an msdos signature /dev/sda: unrecognized partition table type Old situation: No partitions found New situation: Units = cylinders of 131072 bytes, blocks of 1024 bytes, counting from 0
Device Boot Start End #cyls #blocks Id System /dev/sda1 0+ 63 64- 8191+ 7 HPFS/NTFS/exFAT /dev/sda2 0 - 0 0 0 Empty /dev/sda3 0 - 0 0 0 Empty /dev/sda4 0 - 0 0 0 Empty Warning: no primary partition is marked bootable (active) This does not matter for LILO, but the DOS MBR will not boot this disk. Successfully wrote the new partition table
Re-reading the partition table ...
If you created or changed a DOS partition, /dev/foo7, say, then use dd(1) to zero the first 512 bytes: dd if=/dev/zero of=/dev/foo7 bs=512 count=1 (See fdisk(8).)
dhcp12:~ # parted -s /dev/sda unit s print Model: Linux scsi_debug (scsi) Disk /dev/sda: 16384s Sector size (logical/physical): 512B/512B Partition Table: msdos
Number Start End Size Type File system Flags 1 1s 16383s 16383s primary type=07
dhcp12:~ # cat /proc/partitions | grep sda 8 0 8192 sda 8 1 8191 sda1
dhcp12:~ # ll /dev/sda brw-rw---- 1 root disk 8, 0 Apr 1 11:56 /dev/sda
dhcp12:~ # ll /dev/sda1 brw-rw---- 1 root disk 8, 1 Apr 1 11:55 /dev/sda1
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