is one of my drives going bye-bye?

[Gregory Nowak]

Hi All.

I got the following message on the currently open login prompt during the night.

EXT3-fs error (device ide2(33,2)): ext3_free_branches: Read failure, inode=196964, block=395195

Does this mean that one of my disk clusters is going bad? How serious is this? Do I need to do anything to mark that cluster as "bad", or does the system do that for me automagically? Most of all in terms of importants, which drive is this on, hda or hde?

Thanks for any help in advance.

Greg