[THIN] Re: Disk I/O problem
- From: "Michel Roth" <mrdizzz@xxxxxxxxx>
- To: thin@xxxxxxxxxxxxx
- Date: Mon, 18 Dec 2006 11:24:33 +0100
Hi Michael,
Make sure that appplication data is not being "folder redirected"?
Regards,
Michel.
On 12/12/06, Michael Boggan <mboggan@xxxxxxxxxxx> wrote:
It would appear that pnagent is constantly writing to this folder. Here
is a sample of what filemon returned. Any idea what this is? This is just
a very small sample from a few seconds of data. PNAgent appears to be
hammering the disk.
-----------------------------------------------------------------------------------------------------------------------
10:40:13 AM pnagent.exe:11624 WRITE K:\Documents and
Settings\gsmith\Local Settings\Application
Data\Microsoft\Windows\UsrClass.dat SUCCESS Offset: 110592 Length: 4096
10:40:13 AM pnagent.exe:11624 WRITE K:\Documents and
Settings\gsmith\Local Settings\Application
Data\Microsoft\Windows\UsrClass.dat SUCCESS Offset: 114688 Length: 4096
10:40:13 AM pnagent.exe:11624 WRITE K:\Documents and
Settings\gsmith\Local Settings\Application
Data\Microsoft\Windows\UsrClass.dat SUCCESS Offset: 118784 Length: 4096
10:40:13 AM pnagent.exe:11624 WRITE K:\Documents and
Settings\gsmith\Local Settings\Application
Data\Microsoft\Windows\UsrClass.dat SUCCESS Offset: 4096 Length: 65536
10:40:13 AM pnagent.exe:11624 WRITE K:\Documents and
Settings\gsmith\Local Settings\Application
Data\Microsoft\Windows\UsrClass.dat SUCCESS Offset: 69632 Length: 53248
10:40:14 AM pnagent.exe:11624 WRITE K:\Documents and
Settings\gsmith\Local Settings\Application
Data\Microsoft\Windows\UsrClass.dat SUCCESS Offset: 0 Length: 512
10:40:14 AM pnagent.exe:11624 WRITE K:\Documents and
Settings\gsmith\Local Settings\Application
Data\Microsoft\Windows\UsrClass.dat SUCCESS Offset: 0 Length: 4096
-----------------------------------------------------------------------------------------------------------------------
Thanks,
Michael Boggan
------------------------------
Subject: [THIN] Re: Disk I/O problem
Date: Tue, 12 Dec 2006 10:27:50 -0500
From: MShrewsbury@xxxxxxxxxxxxxxx
To: thin@xxxxxxxxxxxxx
I'd try running filemon to determine what task is causing the I/O. Also
as a hunch I'd check your AV.
Matthew Shrewsbury
Network Manager
-----Original Message-----
*From:* thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] *On
Behalf Of *Michael Boggan
*Sent:* Tuesday, December 12, 2006 10:19 AM
*To:* thin list
*Subject:* [THIN] Disk I/O problem
We are in the process of doing a proof of concept with PS4 and new
hardware, etc. We have 3 PS4 servers built. 1 as the DC, 1 as a published
desktop server and 1 as the published applications server. Users login to a
published desktop and get there icons via the PNAgent running for each
desktop. The applications are all published from the 3rd server. We have
roaming profiles and the desktop and application data folders are mapped to
individual folders on the network so that they follow them around.
We are having problems with disk writes on the desktop server. For some
reason the disk I/O is going crazy on that server alone. SO much so that
the server lags tremendously. ANy have any idea why this might be
happening? If anyone knows of a way to determine what is actually being
written too, that would help as well. We have tried NetIQ and other
monitors but cannot find anything that tells us what is actually being
written too on the disk.
Thanks,
Michael Boggan
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