# /var/log/messages
/bsd: wd1e:  uncorrectable data error reading fsbn 7552 of 7552-7679 (wd1 bn 1317952; cn 1307 tn 7 sn 55), retrying
last message repeated 2 times
/bsd: wd1: transfer error, downgrading to PIO mode 4
/bsd: wd1(pciide0:1:0): using PIO mode 4
/bsd: wd1e:  uncorrectable data error reading fsbn 7552 of 7552-7679 (wd1 bn 1317952; cn 1307 tn 7 sn 55), retrying

# fsck -yf /var
** Phase 4 - Check Reference Counts
UNREF FILE I=20642  OWNER=root MODE=100444
SIZE=4127 MTIME=May  1 19:29 2007 
CLEAR? no

# df -h
/dev/wd1e      251M    636K    238M     0%    /var/log

# find / -print0 | xargs -0 ls -i | grep 20642
20642 /usr/bin/colrm
20642 colrm
20642 lt_LN.ISO_8859-2