No space left on device - /home/t/diary/cache/200404.rb (Errno::ENOSPC)

/usr/share/tdiary/tdiary.rb:1092:in `write'
/usr/share/tdiary/tdiary.rb:1092:in `store_cache'
/usr/share/tdiary/tdiary.rb:1090:in `open'
/usr/share/tdiary/tdiary.rb:1090:in `store_cache'
/usr/share/tdiary/tdiary.rb:1034:in `do_eval_rhtml'
/usr/share/tdiary/tdiary.rb:980:in `eval_rhtml'
/home/t/public_html/tdiary/index.rb:74