hard error reading fsbn

[Lowell Gilbert]

Stefan Knoblauch <mail at stefan-knoblauch.de> writes:

> after upgrading from 4.8 to 4.9 i got mane "hard error reading fsbn"
> errors. ok i thougt that is a problem of the 2 years old 80 GB
> harddisk so i get a new 80 GB drive. after restoring the system to
> to the new drive, i get the same errors. the next step was to reformat
> the disk on a windows box. this works fine and the harddisk lokks good.
> i put the disk into my freebsd 4.9 system and do not have this read
> errors. after 1 week re errors come back. more than before.
> i do not have any errors with the 4.8 version, so i make a complete
> new installation with 4.9. yaeh, no errors. one week later the
> systemlog shows me the errors again. in my ear's the system is not
> stable. i use 1 maxtor and one IBM disk. does anyone know what the
> problem is ?

No, but did you replace the drive cable 
when you replaced the drive itself?