[THIN] Re: Disk I/O problem
- From: Michael Boggan <mboggan@xxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Tue, 12 Dec 2006 10:45:34 -0600
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 problemDate: Tue, 12 Dec 2006 10:27:50 -0500From:
MShrewsbury@xxxxxxxxxxxxxxxxx: 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 ShrewsburyNetwork Manager
-----Original Message-----From: thin-bounce@xxxxxxxxxxxxx
[mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Michael BogganSent: Tuesday,
December 12, 2006 10:19 AMTo: thin listSubject: [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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