Messages in this thread | | | Date | Thu, 23 May 2002 11:16:53 -0600 | From | Richard Gooch <> | Subject | Re: 2.4.16+devfs+ide+scsi = Disaster! (data recovery tips requested) |
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Leif Sawyer writes: > I now join the ranks of the "Damn, I should have double-checked my > backups to make sure they were readable." > > Booted into Linux last night to format a new IDE drive for a laptop. > My thought was to clone the existing (SCSI) windows partition for my > wife's laptop. Then I could wipe the old partition after saving off > my data and have one more dedicated linux box laying around. > > Everything looked okay when I fdisk'd the drive and the formatted > it with mkfs.vfat > > That is, until I went to reboot. > > Apparantly, there's a weird bug/race/conflict between devfs, scsi, and ide. > > My CD/RW was on the IDE cable, which I had simply swapped out with the > mini-HD. > > after the realization of what must have happend, i dug a little deeper. > fortunately lilo hadn't been wiped, and I did have linux on a second (scsi) > drive, > so I double-checked what devices it thought everthing was. > > /dev/hda = block-device 8 > /dev/sda = block-device 8
This isn't supposed to happen, because the IDE and SCSI subsystems hard-wire different major numbers when registering devices.
> umm... this is bad !! > > the scsi-ide module was loaded (because of the CD/RW) and it seems that > the combination of a hard-drive + scsi-ide and devfs just layed over the > top of the existing config.
Has anyone responded to you yet?
> My kernel is 2.4.16. I can provide more information later, if requested.
That's a pretty old kernel. Upgrade to 2.4.19-pre8 and see if the same thing happens.
Regards,
Richard.... Permanent: rgooch@atnf.csiro.au Current: rgooch@ras.ucalgary.ca - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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