Disc quota exceeded - /home/rs501/diary/cache/latest.rb (Errno::EDQUOT)

./tdiary.rb:959:in `write'
./tdiary.rb:959:in `store_cache'
./tdiary.rb:957:in `open'
./tdiary.rb:957:in `store_cache'
./tdiary.rb:897:in `do_eval_rhtml'
./tdiary.rb:851:in `eval_rhtml'
index.rb:71