[THIN] Re: Server Hangs
- From: "BRUTON, Malcolm, FM" <Malcolm.BRUTON@xxxxxxxx>
- To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>
- Date: Tue, 1 Jun 2004 15:03:25 +0100
http://www.appsense.com/content/downloads/downloads.asp?bhcp=1
I think you have to create a logon etc
Let me know how it the testing goes.
Malcolm
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Mack, Rick
Sent: 01 June 2004 11:13
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Server Hangs
Hi Malcolm,
Version 2.0.=20
Is 2.1 freely available?=20
I'm just about to look ;-).
Regards,
Rick
Ulrich Mack
Volante Systems Ltd
18 Heussler Terrace, Milton 4064=20
Queensland Australia.=20
Ph: +61 7 3246 7704=20
email: rmack@xxxxxxxxxxxxxx=20
web: www.volante.com.au
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
Behalf Of BRUTON, Malcolm, FM
Sent: Tuesday, 1 June 2004 7:38 PM
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: Server Hangs
Interested to know what version of Appsense you are running. They have
just released (Last week some time)a new version (2.1) with a heap of
bug fixes. Unsure of what is fixed yet but hopefully going to test in
another few weeks. We have Appsense running on a few boxes and seem to
be having problems where the IMA will still be running but not accepting
requests. Since apps are load balanced they always try to connect to the
duff server. If we drop the IMA and restart all is fine. Haven't looked
at it to much as it only happens on 3 boxes serving a particular app
which also happen to be the only boxes with Appsense on. Also it always
seems to happen when I'm not here so haven't been able to investigate
fully while the box is in a duff state.
Malcolm
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
Behalf Of Mack, Rick
Sent: 01 June 2004 08:08
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Server Hangs
Hi People,
=20
I need some help, but mostly looking for some feedback on whether anyone
else this seen this issue.
=20
I've got a customer whose been having some fairly severe server hanging
problems. Systems are HP BL20p G2, dual 2 GHz cpu, 4 GB RAM, 36 GB disk,
Windows Server 2003.
=20
A major cause of hanging was switch/NIC problems due to a Cisco switch
bug.=20
=20
This has been resolved but there are some continuing problems.=20
=20
We are seeing incredibily high handle counts against some user
processes, up to 10-20 million or more. Sysinternals handles.exe shows
that the bulk of these are authentication token handles.
=20
The servers have Appsense peformance suite (V2) installed, and the
"really" interesting thing is that when Appsense is uninstalled (not
just disabled) the handle leak stops. However not all users are showing
handle leaks (this is really driving us crazy!).
=20
What seems to make this relevant is that we had a logon on one server
when it appeared to be going off. Logins were failing wih an
"insufficient resources" error, the IMA service was staring to have
problems (could not connect to datastore errors, misreported load
balancing) and perfmon etc was just failing. Found 2 instances of
iexplore.exe that had a handle count of 30 million between them and
killed them. Restarted the IMA service, and everything returened to
normal.
=20
While that doesn't make the handle leak the server hang culprit, it sure
is suggestive. Microsoft are eager for a crash dump, but getting one on
the new BL20p systems isn't exactly easy. Neither the ILO or even a
local keyboard
(USB) will work because the NT keyboard crash dump code only works for
PS2 keyboards.
=20
Anyway, until we get a definitive answer from Microsoft, my big question
is are we the only people in the world who have seen this problem. Has
anyone else noticed handle leaks on their 2003 systems. Is anyone else
having odd hang issues and have they looked for handle leaks?
=20
Any feedback would be welcome.
=20
regards,
=20
Rick
=20
Ulrich Mack
Volante Systems
rick.mack@xxxxxxxxxxxxxx
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