Some service graphs not showing up on host pages

[Winn Beutler]

I am converting over from BB to HOBBIT and have encountered the following problem:
(I am pretty new to the whole BB/HOBBIT world)

server1 (RH ES3.0) - Brought up  HOBBIT 4.0.2 & 4.0.3b.  Everything works fine.

server2 (RH ES3.0) - Was running BB and converted to HOBBIT 4.0.2 & 4.0.3b. Everything works fine

server3 (RH ES3.0) - Was running BB and was working fine.  Converted to HOBBIT 4.0.2 & 4.0.3b and the following tests don't end up with a graph on the host pages: conn, disk, memory, ssh, iostat
other test such as cpu, netstat vmstat work fine.

I am running rrdtool-1.2.6 on all machines.  Any idea what is wrong with server3 or how I troubleshoot it?  No errors show up in either /var/log/httpd/error_log or /var/log/hobbit/*.log

Other that this, everything seems to be working well.
Thanks for any help. Winn

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