[THIN] Re: NFuse servers extremely slow response
- From: "Mike Semon" <msemon@xxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Wed, 19 Mar 2003 17:53:47 -0600
The problem we are seeing is not on the web server but rather the Citrix
Server(S)
your NFuse server is pointing to.
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx]On
Behalf Of Monahan, Thomas
Sent: Wednesday, March 19, 2003 7:41 AM
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: NFuse servers extremely slow response
I tried it when we had our problems and it reported no problems with the web
server. Everything was a rosey according to it.
Tom
> -----Original Message-----
> From: Gene.I.Herman@xxxxxxxxxx [SMTP:Gene.I.Herman@xxxxxxxxxx]
> Sent: 18 March 2003 21:09
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Re: NFuse servers extremely slow response
>=20
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> I wonder if debug.asp which we used to debug our NFUSE problems would work
> in this case - or at least be a start
>=20
> Gene Herman
> Systems Engineer
> Healthnet of the North East
> (203) 381-6567
>=20
>=20
> =20
>=20
> Anders Hansen-=D8vre
>=20
> <Anders.Hansen-Ovre To:
> thin@xxxxxxxxxxxxx =20
> @contra.no> cc:
>=20
> Sent by: Subject: [THIN] Re:
> NFuse servers extremely slow response =20
> thin-bounce@freelis
>=20
> ts.org
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> =20
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> =20
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> 03/18/2003 02:59 PM
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> Please respond to
>=20
> thin
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> =20
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> =20
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> We have had the same problem with farms running Win2k SP3/MF1.0 FR2
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> Does anyone have a testxml.asp page or something that we can use to =3D
> locate a problem server?
>=20
> ---
> mvh/yours
> Anders Hansen-=3DD8vre, Seniorkonsulent
> Mail : anders.hansen-ovre@xxxxxxxxx
> Cell : (+47) 90 98 17 78
>=20
> Konsulenthuset Contra as
> http://www.contra.no
> =3D20
>=20
> > -----Original Message-----
> > From: Mason Dively [mailto:mdively@xxxxxxxxxx]=3D20
> > Sent: 18. mars 2003 20:49
> > To: 'thin@xxxxxxxxxxxxx'
> > Subject: [THIN] Re: NFuse servers extremely slow response
> >=3D20
> >=3D20
> > You are really not going to believe this, but after posting=3D20
> > my response to Tom's message yesterday afternoon, I came in=3D20
> > this morning and had this EXACT problem with my larger=3D20
> > Metaframe farm (120 application servers.) The problem was=3D20
> > exactly how Mike described it below, the XML service on ONE=3D20
> > application server was causing the problem for everyone=3D20
> > trying to log into the Nfuse site. As soon as we stopped the=3D20
> > XML service for the problem server, the site immediately=3D20
> > began working again. In talking to Citrix's support people=3D20
> > they recommended the following hotfix to correct this=3D20
> > problem: =3D20
> > http://support.microsoft.com/default.aspx?scid=3D3Dkb%3Ben-us%3B29
> > 2548 or of course applying Win2K SP3 (which we haven't done=3D20
> > to this point.) It's scary to think that one "flaky" server=3D20
> > can prevent logons!!
> >=3D20
> > And yes, by the way, I now believe our problem was a result=3D20
> > of demonic possession.
> >=3D20
> > Thanks,
> > =3D20
> > Mason B. Dively CCA, MCP
> > Amdocs CMI Production Windows Support
> >=3D20
> >=3D20
> > -----Original Message-----
> > From: Mike Semon [mailto:msemon@xxxxxxx]=3D20
> > Sent: Monday, March 17, 2003 10:02 PM
> > To: thin@xxxxxxxxxxxxx
> > Subject: [THIN] Re: NFuse servers extremely slow response
> >=3D20
> >=3D20
> > I am seeing this same problem for NFuse pointing back to a=3D20
> > Metaframe 1.8 farm. I think we have a box with a flaky XML=3D20
> > service. Also, check the ICA browser service on the servers=3D20
> > your NFuse server is pointed. I found one server the ICA=3D20
> > browser service was hung. Restarted the service and=3D20
> > everything worked.
> >=3D20
> > Mike
> >=3D20
> > -----Original Message-----
> > From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx]On
> > Behalf Of Mason Dively
> > Sent: Monday, March 17, 2003 4:38 PM
> > To: 'thin@xxxxxxxxxxxxx'
> > Subject: [THIN] Re: NFuse servers extremely slow response
> >=3D20
> >=3D20
> > Tom--
> >=3D20
> > I feel your pain--we had the EXACT same thing happen in one=3D20
> > of our farms. One box had a "flaky" XML service and was=3D20
> > completely preventing users from logging in through our NFuse=3D20
> > site. We did not actually confirm that it was due to demonic=3D20
> > possession but that explanation would certainly be more=3D20
> > credible than any of the answers that the Citrix Tech Support=3D20
> > guy gave us. When we asked what we can do to prevent future=3D20
> > outages like this we were told there was nothing we could to=3D20
> > do ensure that it wouldn't happen again. Anyone have any=3D20
> > ideas or experience with this type of problem?
> >=3D20
> > Thanks,
> >=3D20
> > Mason B. Dively CCA, MCP
> > Amdocs Windows Administration
> >=3D20
> >=3D20
> > -----Original Message-----
> > From: Monahan, Thomas [mailto:Thomas.Monahan@xxxxxxxxxxx]
> > Sent: Thursday, March 13, 2003 4:13 AM
> > To: 'thin@xxxxxxxxxxxxx'
> > Subject: [THIN] Re: NFuse servers extremely slow response
> >=3D20
> >=3D20
> > Just to let you know that the problem was due to the one of=3D20
> > the servers mis-behaving with the XML service. I say=3D20
> > mis-behaving but what I really mean is it got posessed by the=3D20
> > Devil himself and decided to carry out a denial of service=3D20
> > attack on the farm. I think he posessed the citrix users as=3D20
> > well as they weren't too happy with the farm being down for=3D20
> > nearly an entire day. The problem was only tracked down when=3D20
> > the XML port was change for some of the servers and that=3D20
> > functioned fine. Eventually by trial and error we tracked=3D20
> > down the server that was posessed. And even more proof that=3D20
> > the server was posessed was the number of the server, it was=3D20
> > our cy13 server.
> >=3D20
> > Anyway, havn't been able to rtp into it yet to check out of=3D20
> > the event logs, so I don't know what it could have been doing=3D20
> > that could have jamed up the entire xml service on the farm.
> >=3D20
> > Tom
> >=3D20
> >=3D20
> > > -----Original Message-----
> > > From: Darryl Janetzki [SMTP:darrylj@xxxxxxxxxxxxxxxx]
> > > Sent: 12 March 2003 13:13
> > > To: Monahan, Thomas
> > > Subject: RE: [THIN] Re: NFuse servers extremely slow
> response
> > >
> > > Well, first thing to check, or I did.
> > > http://localhost on the data collector or any metaframe=3D20
> > server in the=3D20
> > > farm that has NFUSE installed
> > >
> > > In my case each metaframe server's web and NFUSE service was not=3D20
> > > working (page not found) published applications still were=3D20
> > working as=3D20
> > > normal
> > >
> > > If the NFUSE web functions to another server but not the production=
=3D20
> > > environment I would check DNS/netbios and IP connectivity=3D20
> > issues (are=3D20
> > > you sure that NFUSE is functioning on the productions servers.)
> > >
> > > A similar event occurred but this was access to all sites when I=3D20
> > > deployed the IIS lockdown, group policy, wpad from and ISA=3D20
> > server (ISA
> > > FR1)
> > > What happened group policy tattooed each PC in the OU with Autodect=
=3D20
> > > setting Wpad.dat was denied by the ISA server in the URLSCAN.INI
> > > The effect of this was that the server and clients were secure NAT
> > > clients and the ISA server denied access to the WPAD thus=3D20
> > denying access
> > > to all resources Perhaps your development site is not using the same
> > > configuration. A review of URLSCAN.LOG if you are using it on the
> > > Web/proxy server may have the information on the problem.
> > >
> > >
> > > Regards
> > > Darryl
> > >
> > > -----Original Message-----
> > > From: Monahan, Thomas [mailto:Thomas.Monahan@xxxxxxxxxxx]
> > > Sent: Wednesday, 12 March 2003 11:35 PM
> > > To: Darryl Janetzki
> > > Subject: RE: [THIN] Re: NFuse servers extremely slow response
> > >
> > > Hi,
> > >
> > > Thanks for the suggestion. It didn't solve our problem.
> > >
> > > We pointed one of our production nfuse servers to our=3D20
> > development farm=3D20
> > > and it works fine, it just doesn't work when pointed to our=3D20
> > production=3D20
> > > farm.
> > >
> > >
> > >
> > >
> > > Tom
> > >
> > > > -----Original Message-----
> > > > From: Darryl Janetzki [SMTP:darrylj@xxxxxxxxxxxxxxxx]
> > > > Sent: 12 March 2003 10:59
> > > > To: Thomas.Monahan@xxxxxxxxxxx
> > > > Subject: RE: [THIN] Re: NFuse servers extremely slow
> response
> > > >
> > > > I had the problem a week ago. The nfuse icons were "greyed" out=3D20
> > > > fortunately the link still worked.
> > > >
> > > > The solution I applied was to uninstall NFUSE on my NFUSE=3D20
> > web server
> > > and
> > > > apply the security update version. I then ran the NFUSe=3D20
> > wizard and=3D20
> > > > recreated the nfuse page.
> > > >
> > > > The really interesting thing that happened next is that=3D20
> > all the WEB=3D20
> > > > servers on all Metaframe servers did not function at all.=3D20
> > The nfuse
> > > web
> > > > site that I direct all users was unable to connect and=3D20
> > display any=3D20
> > > > applications. I then decided to restart the IMA then IIS from the=
=3D20
> > > > IIS console. I commenced at the Data collector, then=3D20
> > tested each of=3D20
> > > > the metaframe web servers with the same procedure ... All=3D20
> > was well=3D20
> > > > again.
> > > >
> > > > DarrylJ@xxxxxxxxxxxxxxxx
> > > >
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: Monahan, Thomas [mailto:Thomas.Monahan@xxxxxxxxxxx]
> > > > Sent: Wednesday, 12 March 2003 9:43 PM
> > > > To: 'thin@xxxxxxxxxxxxx'
> > > > Subject: [THIN] Re: NFuse servers extremely slow response
> > > >
> > > >
> > > > Update: Nfuse icons don't show up, clicking on icon=3D20
> > doesn't connect.=3D20
> > > > Just shows opening page.
> > > >
> > > > Regards,
> > > > Thomas
> > > > UUSDTC Admin and Support
> > > > Ph: 01925 233690 Ext: 33690
> > > >
> > > > > -----Original Message-----
> > > > > From: Monahan, Thomas [SMTP:Thomas.Monahan@xxxxxxxxxxx]
> > > > > Sent: 12 March 2003 09:28
> > > > > To: thin@xxxxxxxxxxxxx
> > > > > Subject: [THIN] NFuse servers extremely slow response
> > > > >
> > > > >
> > > > > Hi,
> > > > >
> > > > > There is just a "little" problem with our Nfuse=3D20
> > servers. They are
> > > all
> > > > > giving
> > > > > extemely slow response, so slow sometimes that it times out.=3D20
> > > > > Servers
> > > > are
> > > > > on
> > > > > different subnets. All giving the same slow response=3D20
> > with varying=3D20
> > > > > severity. Tried restarts, can't find any XML service=3D20
> > problems on=3D20
> > > > > our farm
> > > > servers.
> > > > > What could be causing this?
> > > > >
> > > > >
> > > > > Any help much appreciated.
> > > > >
> > > > > Thomas
> > > > >
> > > > >
> > > > >
> > > > >
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This Week's Sponsor - RTO Software / TScale
TScale increases terminal server capacity.
Get 30-40% more users per server to save $$$ and time.
Add users now! - not more servers. If you're using Citrix,
you must learn about TScale! Free 30-day eval:
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