[THIN] Re: IMA service issues with MF XP
- From: "Tony Lyne" <Tony.Lyne@xxxxxxxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Wed, 14 Jan 2004 13:37:56 +1300
That's really weird. I had to pour through some info on the Citrix KB
site a month or 2 back as I was having issues with the MFCOM service on
a site not starting. And the documentation I got back from Citrix was
that it can be disabled, As it is only used if youre writing
scripts/code to manipulate the Citrix COM components. Mind you they
didn't mention the WMI extensions at all.
It stated that you don't need it and is not dependent on the IMA
service.
The tasks you've done in your scripts I have already done on these
servers manually and didn't get anywhere.
Still haven't been able to pinpoint the issue as time is always a factor
on some of these sites and they need to have their servers up quickly.
So I don't always get a chance to follow up in detail why these events
occur.
Tony Lyne
Senior Systems Engineer
Computerland Central
P O Box 1470
PALMERSTON NORTH
Telephone (+64) 06 3537300
Facsimile (+64) 06 3566800
Mobile (+64) 0274 720696
E-mail Tony.Lyne@xxxxxxxxxxxxxxxxxx
Internet http://www.computerland.co.nz <http://www.computerland.co.nz/>
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-----Original Message-----
From: Jim Hathaway [mailto:JimH@xxxxxxxxxxxxxxx]
Sent: Wednesday, 14 January 2004 1:12 p.m.
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: IMA service issues with MF XP
"The MFcom service wont start as it relies on the IMA service as a
dependency."
Incorrect, the MFcom service has a dependency on the RPC service only on
windows 2000 systems, and it uses RPC + WMI driver extentions for
dependencies on windows 2003 systems.
I had a similar issue a while back where for some reason, one server out
of an Oracle based IMA farm would always fail to start the IMA services
on boot. We tracked it down to a hung Mfcom service on start up which
left no event id's, it just sat in a state of 'starting', which was
rather odd.
The fix we scripted was a 'start up' script on the server in question,
that 'killed' the mfcom and ima services (as they always hung anyways on
startup) ran a 'dsmaint recreatelhc' and then started the MFcom, and IMA
services successfully. We never did fully track down the cause for these
issues, the script was more of a work around, and the system has since
been re-imaged so that we don't run this script anymore.
If you think it will help, I will see if I can track down the script and
get a copy to you, but you should be able to manually perform these
steps on a failed server to see if they help at all. It sounds like
you've done most of them anyways, I'm just curious if perhaps the MFcom
service may be partially related to this one.
HTH
J
_____
From: Tony Lyne [mailto:Tony.Lyne@xxxxxxxxxxxxxxxxxx]
Sent: Tuesday, January 13, 2004 3:45 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: IMA service issues with MF XP
Yes and yes.
The MFcom service wont start as it relies on the IMA service as a
dependency.
If I set the MFCom service to manual just incase there is any issues no
difference.
Tony Lyne
Senior Systems Engineer
Computerland Central
P O Box 1470
PALMERSTON NORTH
Telephone (+64) 06 3537300
Facsimile (+64) 06 3566800
Mobile (+64) 0274 720696
E-mail Tony.Lyne@xxxxxxxxxxxxxxxxxx
Internet http://www.computerland.co.nz <http://www.computerland.co.nz/>
CAUTION: This e-mail message and accompanying data may contain
information that is confidential and subject to privilege. If you are
not the intended recipient, you are notified that any use,
dissemination, distribution or copying of this message or data is
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immediately and delete all material pertaining to this e-mail. Thank
you.
-----Original Message-----
From: Jim Hathaway [mailto:JimH@xxxxxxxxxxxxxxx]
Sent: Wednesday, 14 January 2004 12:18 p.m.
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: IMA service issues with MF XP
Are all these sites on a standardized MDAC level both on the TS servers
and the SQL servers?
What about the MFCOM service? Have you noticed it hanging on start up of
some of these machines also?
J
_____
From: Tony Lyne [mailto:Tony.Lyne@xxxxxxxxxxxxxxxxxx]
Sent: Tuesday, January 13, 2004 2:36 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: IMA service issues with MF XP
Nothing in the event logs at all. The system will hang on login screen.
May eventually let you login if you leave it for half an hour, other
times it wont at all.
A remote connection to the machine to using computer management shows
the IMA service hanging on starting.
If I resetup the Ima service to manual start and reboot the server I can
log in. But recreating the LHC etc doesn't fix the problem. Really weird
that its happened on multiple sites now.
Since all of our sites have a good change control and deployment
mechanism, its much easier to put it in the too hard basket and
re-deploy the build to the server again, and have the server up within
the hour.
Strange that it has only occurred with sites running SQL 2k datastores
though.
Tony Lyne
Senior Systems Engineer
Computerland Central
P O Box 1470
PALMERSTON NORTH
Telephone (+64) 06 3537300
Facsimile (+64) 06 3566800
Mobile (+64) 0274 720696
E-mail Tony.Lyne@xxxxxxxxxxxxxxxxxx
Internet http://www.computerland.co.nz <http://www.computerland.co.nz/>
CAUTION: This e-mail message and accompanying data may contain
information that is confidential and subject to privilege. If you are
not the intended recipient, you are notified that any use,
dissemination, distribution or copying of this message or data is
prohibited. If you have received this e-mail in error, please notify me
immediately and delete all material pertaining to this e-mail. Thank
you.
-----Original Message-----
From: Gunn, Jeff [mailto:Jeff.Gunn@xxxxxxx]
Sent: Wednesday, 14 January 2004 3:31 a.m.
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: IMA service issues with MF XP
What are you getting for errors in the event logs? IMA errors (well,
Citrix errors in general) are not always helpful but it's a place to
start. A lot of times the service will fail to start with a long
numerical error code, and sometimes you'll also get accompanying errors
about DLL problems as well that can point you in a direction.
-Jeff
-----Original Message-----
From: Tony Lyne [mailto:Tony.Lyne@xxxxxxxxxxxxxxxxxx]
Sent: Sunday, January 11, 2004 4:04 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] IMA service issues with MF XP
Guys,
I have a number of sites here which have been having issues with
their MF XP farms where the IMA service will hang on startup, upon
rebooting of the server.
Recreating the LHC doesn't make any difference, sometimes
removing the server from the farm and adding it back into the farm with
the chfarm tool works, other times it doesn't.
All of my sites are using an SQL datastore. This is an
intermittent problem and on some sites it will occur only once or twice
every 6-12 months, were others it may occur a number of times a month.
Down time has been minimised as they are all load balanced farms
and the customers all have a good change control/recovery plan and can
typically have the servers back in production within an hour.
In a farm one server may fail and the others work fine, where in
other farms multiple servers may fail.
The problem is why is this all of a sudden happening now.
Anyone seen this behavior before?
All sites are running MFXP FR3/SP3 or FR2/SP2 with Win2k SP3 and
their SQL server is running SQL 2k SP3a
Tony Lyne
Senior Systems Engineer
Computerland Central
P O Box 1470
PALMERSTON NORTH
Telephone (+64) 06 3537300
Facsimile (+64) 06 3566800
Mobile (+64) 0274 720696
E-mail Tony.Lyne@xxxxxxxxxxxxxxxxxx
Internet http://www.computerland.co.nz
<http://www.computerland.co.nz/>
CAUTION: This e-mail message and accompanying data may contain
information that is confidential and subject to privilege. If you are
not the intended recipient, you are notified that any use,
dissemination, distribution or copying of this message or data is
prohibited. If you have received this e-mail in error, please notify me
immediately and delete all material pertaining to this e-mail. Thank
you.
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