Problem with mounting hard disk after FC5 installation

[Robert Spanton]

Hi,

I just did a fresh install of fc5. I cannot mount a partition on one of my
hard disks. I could however mount it from fc4.

When I tried to mount the drive, I got:
% mount /dev/hdb1 /mnt/test
mount: /dev/hdb1 is not a valid block device

I thought this was odd. The file appears to be a block device:
% ls -l /dev/hdb1
brwx------ 1 root root 3, 65 Apr  7  2006 /dev/hdb1

I took a peek in /sys/block. /sys/block/hdb existed. However,
/sys/block/hdb/hdb1 did not exist.

I did an fdisk. /dev/hdb1 was there:

Disk /dev/hdb: 82.3 GB, 82348277760 bytes
255 heads, 63 sectors/track, 10011 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hdb1   *           1       10011    80413326   83  Linux

I ran "partprobe" to see what would happen. After running that,
/sys/block/hdb/hdb1 existed. I tried mount again:
% mount -v -t ext3 /dev/hdb1 /mnt/test
mount: /dev/hdb1 already mounted or /mnt/test busy

% mount
/dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
/dev/hda1 on /boot type ext3 (rw)
tmpfs on /dev/shm type tmpfs (rw)
/dev/sda1 on /mnt/crud type ext3 (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
automount(pid2086) on /net type autofs
(rw,fd=4,pgrp=2086,minproto=2,maxproto=4)

Does anyone know what's going on here? If it's any help, then I'm using LVM
for my root partition, but that shouldn't make any difference.

Thanks,

Robert Spanton
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