[THIN] Re: Changing Farms

  • From: Cherie Kelly <cherie.kelly@xxxxxxxxxx>
  • To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>
  • Date: Wed, 4 Feb 2004 13:08:00 +1000

Well that was the first question I asked.

I attempted it their way first out of courtesy, as I was brought in just to
do a couple of things.

Although when I tried the Chfarm. I received an error basically "The server
has been changed, but may not have been successful" or something along these
lines.

It seems as though the Chfarm has a timeout, if the IMAservice doesn't
respond within that time it fails. The link between the DS and the servers
is so bad it takes 3 hours for the IMA service to start. Once I figured out
that the error wasn't exactly an error, I ignored it and the ima service
continued to load in the background. Once completely loaded, I rebooted the
server.

And yes they have a local DS, but it is only Read access unfortunately. Ron
advised a better way of configuring the farm and I have forwarded this to
their Citrix Admins, and they have taken it under advisement.

Oh by the way, if you ever try installing Citrix in this kind of
environment, Windows Installer also has a timeout on the installation of an
application. Except once you click on the error message it uninstalls the
application. So I had to install and create an Access DB, then migrate to
the Prod DS.

Just to add to the growing list of traps. They don't run DNS either.

The IMA trace of the services starting is quite a read.



-----Original Message-----
From: Greg Reese [mailto:GReese@xxxxxxxxxxxxxxxx]
Sent: Wednesday, 4 February 2004 12:38 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Changing Farms


what is so bad about running chfarm that you insist on torturing yourself
like this?

Greg

-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx]On
Behalf Of Cherie Kelly
Sent: Tuesday, February 03, 2004 9:31 PM
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Changing Farms


Hi Everyone

I would like to run something past you.

I recently received some advise on an alternate method of changing farms,
which I didn't think was quite correct.

Steps
1. Update the mf20.dsn file to point to the new DS
2. Stop the IMA 
3. Recreate the LHC
4. Start the IMA

I did attempt this and the server actually reconnected to the original farm.
I verified the DSN file it was using was the updated one. I performed an IMA
trace while it was running and it kept trying to look for the old Farm name.
Both the old DS and the new one were located on the same SQL 2000 server.

If I add the following steps it worked. 
1. Change the Farm name to the new one in the registry.(4 locations)
2. Run the dsmaint config command to connect to the new DS

Can anyone advise if they have ever done this and had it work?

Thanks
Cherie Kelly 
NT Administrator 
s Cherie.Kelly@xxxxxxxxxx
É Tel (07) 3364 9876
Ê Fax (07) 3364 9777 
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expressly stated otherwise.

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