perfmon console displays disk reads+writes, but binary counter logs only contain zeros

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From: topgun (topgun_at_community.nospam)
Date: 03/25/05 

Date: Fri, 25 Mar 2005 10:50:12 -0500

Hi all,
    this seems close to some other posts, but my symptoms are unique...
I often use binary counter logs to collect long performance runs of data.
We've recently upgraded form 2000 to 2003 EE. At the end of our last run, I
checked on various statistics,
and found out that I collected a bunch of zeros for disk read, write, read
bytes, and write bytes.
The disk queue length stats were intact.
A controlled experiment showed that data I could observe on the real-time
console looked good, but still the
counters would not find their way into a binary log.

Ideas?

Thanks.