Hard drive performance monitoring adds overhead to all hard drive access
times and is accordingly turned off by default to turn is on use
diskperf.exe:
DISKPERF [-Y[D|V] | -N[D|V]] [\\computername]
-Y Sets the system to start all disk performance counters
when the system is restarted.
-YD Enables the disk performance counters for physical drives.
when the system is restarted.
-YV Enables the disk performance counters for logical drives
or storage volumes when the system is restarted.
-N Sets the system to disable all disk performance counters
when the system is restarted.
-ND Disables the disk performance counters for physical drives.
xylog
-----Original Message-----
From: Jon Hill [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, September 25, 2001 7:16 PM
To: NT System Admin Issues
Subject: RE: perfmon to log
I should mention that this is a short-term project so I have a mandate
to
spend as little money as possible. OpenView, PerfMan and other
enterprise
monitoring utilities are therefore out.
-----Original Message-----
From: Jon Hill [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, September 25, 2001 7:05 PM
To: NT System Admin Issues
Subject: perfmon to log
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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