On Mon, 2007-01-08 at 10:47 -0500, Kevin H. Hobbs wrote: > In Fedora Core 6 I can not mount the partition on one of my hard > disks. > It was fine in FC5, and I can mount it in the FC5 rescue disk. The > device entries /dev/hdc and /dev/hdc1 exist. It seems like it was > noticed during boot because I see a message in /var/log/messages : > > Jan 4 18:21:13 gargon kernel: hdc: 390721968 sectors (200049 MB) > w/8192KiB Cache,CHS=24321/255/63, UDMA(100) > Jan 4 18:21:13 gargon kernel: hdc: cache flushes supported > Jan 4 18:21:13 gargon kernel: hdc: hdc1 > > When I try to mount it I get : > > sudo mount /dev/hdc1 /tmp/hdc1/ > mount: /dev/hdc1 is not a valid block device A brute force and ignorance idea, but as a *last* resort, you might try firing up that rescue disc that could read it, and re-write the partition tables (with the same configuration). I wonder if it's the /dev/hdc1 that's a problem, rather than the file system on the drive.