肖建彬的博客

作者: 肖建彬 | 可以转载, 转载时务必以超链接形式标明文章原始出处和作者信息及版权声明
网址：http://www.xiaojb.com/archives/it/rrdtoolgraph_12.shtml

rrdtool的官方说明http://oss.oetiker.ch/rrdtool/doc/rrdgraph_graph.en.html#graph

COMMENT:text
    Text is printed literally in the legend section of the graph. Note that in RRDtool 1.2
 you have to escape colons in COMMENT text in the same way you have to escape them
in *PRINT commands by writing '\:'

cacti中需要正确指定rrdtool的版本，否则会出现这样的错误

Garbage ':23:00 2006    graph created on Mon Apr 24 15:53:29 2006' after command:
COMMENT:last update Mon Apr 24 15:23:00 2006    graph created on Mon Apr 24 15:53:29 2006