MRTG graph problems

I've got MRTG setup on a CentOS 5.3 32-bit machine running in Virtual PC 2007 on a Windows XP SP3 box.  

I noticed that the time for my graphs was incorrect, and the time on my CentOS virtual machine was also incorrect. To correct time I used hwclock to set the time to current time.  Now my MRTG 5 minute avg graphs are blurry, and some are not returning any data at all.  I rebooted the machine, remade the mrtg.cfg and the index.html files, but I still have the problem.
mrtg-graph.jpg
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sharkbot221984Asked:
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ajay_mhasalConnect With a Mentor Commented:
HI,

You need to delete files from your output directory of MRTG and regenerate those using indexmaker and mrtg command.
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sharkbot221984Author Commented:
Thank you ajay, I removed all the device files from the working directory and ran indexmaker to recreate them, I have un-blurry graphs now.

Already I can see the time drift on my box, it was set correctly a few hours ago, no it is almost 2 hours ahead.  Any idea?  Seems that this may be an issue with it being virtual.
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deepak_iqConnect With a Mentor Commented:

What is the present /etc/ntp.conf configuration? Have you mentined the ntp servers ip details?If not,kindly add the ip in the configuration file.

Is ntp service running on the server?
Check by:
#/etc/init.d/ntpd status

If not running,run it:
#/etc/init.d/ntpd start

To check the status then:
#ntpq -p

Check for any ntp related errors in /var/log/messages.
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ajay_mhasalCommented:
HI,

Now set the time as follows

# date mmddhhmm  

Above format is (mm=month, dd=date, hh=hours, mm=minutes)

Now use following command

# hwclock --systohc

I hope this will work for you!
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sharkbot221984Author Commented:
Thanks guys, ntp was not turned on, I turned it on and set the date again.  The ntp.conf file I assume is default?  It is using the public pool servers.  I will monitor to see if it stays on track now.
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sharkbot221984Author Commented:
The time has drifted again still.  It was correct as of my last post, and now as of this post it is 4 hours ahead.
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sharkbot221984Author Commented:
Thank you for your help.  I ended up setting up Sun Virtual Box instead of MS Virtual PC, and re-setting up my MRTG server on there.  Time has not drifted at all.
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