Is there a way to write the perfmon data to a text file periodically (every
fifteen minutes for two weeks, ideally), specifically the Logical Disk
data--Disk writes/sec, disk write bytes/sec?
I've tried using perfmon's native log format but when I choose Data From
that log file, I see the Logical Disk group category but the subcategory box
is empty. One possible reason is that *some* but not all of the servers I'm
trying to collect data from do not have diskperf turned on. Obviously that
needs to be addressed, but does one bad apple in a perfmon session spoil the
whole session? I can't get data on any of the servers, not even the ones
with diskperf set correctly.
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