Sounds like a hard error. What does "uerf" say? Try bringing the system down to single-user and using "radisk -s 0 -1 /dev/rra0c". Fsck doesn't read data blocks, so it wouldn't find this. Cheers, -- Paul Vixie DEC Western Research Lab <vixie at wrl.dec.com> Palo Alto, California ...!decwrl!vixie