antonio montagnani wrote: > 2007/9/25, Mikkel L. Ellertson <mikkel@xxxxxxxxxxxxxxxx>: >> antonio montagnani wrote: >>> I want to install grub on my USB disk, in order to start up any laptop >>> and in order not to srew my Vista system. >>> I think that I have to issue >>> >>> grub-install /dev/sda >>> >>> where sda is my USB disk and after booting from my CD. >>> >>> tnx for patience. >> Double check that. On my system, when you boot from a CD/DVD, the >> laptop drive is /dev/sda and the USB drive is /dev/sdb. I forgot to >> save your fdisk output, so I can not double check that. >> >> >> > from fdisk -l, I get: > fdisk -l > > Disco /dev/sda: 160.0 GB, 160041885696 byte > > 255 heads, 63 sectors/track, 19457 cylinders > Unità = cilindri di 16065 * 512 = 8225280 byte > > Dispositivo Boot Start End Blocks Id System > /dev/sda1 * 1 13 104391 83 Linux > /dev/sda2 14 19457 156183930 8e Linux LVM > > Disco /dev/sdb: 160.0 GB, 160041885696 byte > > 255 heads, 63 sectors/track, 19457 cylinders > Unità = cilindri di 16065 * 512 = 8225280 byte > > Dispositivo Boot Start End Blocks Id System > /dev/sdb1 1 1274 10233373+ 27 Sconosciuto > /dev/sdb2 * 1275 10383 73162752 6 FAT16 > /dev/sdb3 10383 19458 72892416 7 HPFS/NTFS > > a question is: why on your system is sda the internal HD and sdb the > USB disk, while on my exactly the other way round??? > Interesting. Maybe because you are loading the USB storage driver in the initrd, and then loading the IDE drivers after that. I think that if you booted from the rescue CD or install DVD, they would be mapped the other way. I never needed to go the custom boot CD route. In any case, this is why you double check things. Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
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