mismatch_cnt != 0, member content mismatch, but md says the mirror is good

[Michael ODonnell]

Saw the warning in question today on a CentOS5.4 box so I STFW and found these:

   http://forum.nginx.org/read.php?24,16699

   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=405919

...with a plausible (and somewhat comforting) nuts&bolts level explanation toward
the bottom of the latter.  Summary: annoying but apparently not harmful.