fsck of the second drive looked like this:

empeg:/empeg/bin# fsck -fay /dev/hdc4
Parallelizing fsck version 1.19 (13-Jul-2000)
e2fsck 1.19, 13-Jul-2000 for EXT2 FS 0.5b, 95/08/09
ext2fs_check_if_mount: No such file or directory while determining whether /dev/
hdc4 is mounted.
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
/dev/hdc4: 30997/609728 files (25.0% non-contiguous), 77809944/78043770 blocks
empeg:/empeg/bin# swapoff /swapfile
empeg:/empeg/bin# sync
empeg:/empeg/bin#