Two problems: EE$USERDISK: is too full and, more importantly, it is dying.

Two files have been identified today as having unrecoverable read errors.

To correct both of these problems at once, I'm going to replace the drives
with newer bigger ones. What's important to you is that I'm going to do it
tonight (wednesday 4/29) beginning at about 10pm. I expect it'll take
several hours. Hopefully, tomorrow morning EE$USERDISK will be fixed
and about 500Mb bigger.

ds