[THIN] Re: Citrix and MSCS failover problem

  • From: "Magnus" <magnus@xxxxxxxx>
  • To: <thin@xxxxxxxxxxxxx>
  • Date: Tue, 14 Jan 2003 11:14:51 -0500

Make sure that you are using the clustername /cluster ip address to
point to those forms.  I may be that they are set up to use just the
name or ip of one of the nodes in the cluster instead of the cluster
name

-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
Behalf Of Lee, David (CITY TREASURY)
Sent: Monday, January 13, 2003 12:47 PM
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Citrix and MSCS failover problem



We have a Windows 2000 Advanced Server cluster which hosts a file share
containing forms for an Oracle application.  Our Win2K / Citrix servers
(Metaframe XPe) run an application which uses these forms.  

The problems started today when we needed to perform a cluster failover
for maintenance purposes - I was able to successfully move all cluster
resources to the other node, but the helpdesk then started to receive
calls from Citrix users complaining about the Oracle application
failing.  Basically, the application could no longer see the path to the
forms files, like the file share had gone down.  However, I was able to
successfully browse the share from a Citrix desktop, although the
Windows explorer initially indicated that the drive mapping was
disconnected.  I'm aware that failover can interupt the service for a
few seconds, but I still had users in this state 20 minutes afterwards!
Users attempting to set up new sessions after the failover were also
affected.

It is almost as if the Citrix servers were connecting direct to the
cluster node rather than the virtual server, hence failover broke their
connection. However, the Citrix servers are configured to use the
virtual server, so I've had to rule that out as well.  I've got
everything back up now by rebooting the Citrix servers (desperate!), but
I'm still concerned that the Citrix servers did not cope with an MSCS
failover, any ideas?

Thanks in advance

Dave Lee

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