[THIN] Re: Datastore Migration in Large XP Farm
- From: Jeff Pitsch <jepitsch@xxxxxxxxx>
- To: thin@xxxxxxxxxxxxx
- Date: Fri, 12 Aug 2005 12:53:05 -0400
I would also suggest reading the farm maintenance guide at
http://support.citrix.com. It tells you how to migrate the datastore.
It is fast, simple, and can be done during production hours without
any down time.
Jeff Pitsch
On 8/12/05, Jeff Pitsch <jepitsch@xxxxxxxxx> wrote:
> 1) Load balancing will not work because you can't load balance across
> farms. What you are proposing is creating a brand new farm. It
> simply won't work.
>
> 2) Again, new farm. No load balancing.
>
> You are also goingto have to manually point your clients to the new
> farm. Hopefully your using Web Interface because otherwise, your in
> for a lot of pain with your plan. A whole lot of pain.
>
> Jeff Pitsch
>
> On 8/11/05, cherie.watts Watts <cherie.watts@xxxxxxxxx> wrote:
> > Hi Guys
> >
> > I would really appreciate any feedback on the following scenario.
> >
> > We are moving our Datastore to a faster Oracle server.
> > The farm is Metaframe XP FR2/FR3 on windows 2000/2003 servers. There
> > are 5 zones with multiple application silos, some silos cross zones.
> > Some servers are located in datacentres others are remote.
> >
> > Now generally I would think that most people would simply export and
> > import the database onto the new platform and run the dsmaint(with new
> > dsn file) on the servers to point them to the new database, all on the
> > weekend and jobs done.
> >
> > But our business won't allow us to do this so are looking at doing it
> > over 4-5 day period. Because of the time delay it's raised a couple of
> > questions.
> >
> > Firstly I can tell you that for the period of time, no changes will be
> > allowed in the farm until all servers are connecting to the one
> > database.
> >
> > What is the best approach
> >
> > 1. Migrate 1-4 application silos each day over a 4 day period. Leave
> > the Zone Data Collectors to last.
> > a) Questions I have with this are: Will load balancing still work
> > correctly if the ZDC's are connecting to the old Datastore, while the
> > application servers are connected to the new datastore.
> > b) Will load balancing work correctly for the application silos spread
> > across Zones.
> >
> > 2. Migrate the application silos gradually over the 4 days to the new
> > datastore. Leave the ZDC's to last
> > a) Will load balancing work correctly with the application silos
> > spread across the old and new datastores.
> >
> > Theoretically I think both of these should work. Load Balancing info
> > is all dynamic and stored the ZDC's. As long as the information in
> > Datastores isn't changed then it should be happy days.
> >
> > But servers do check the Datastores every 30mins for updates, what
> > will the datastores do if a server doesn't check in?
> >
> > Any feedback is appreciated. I will ofcourse be running these tests in
> > the test lab.
> >
> > Cheers
> >
> > Cherie
> > ********************************************************
> > New Site from The Kenzig Group VistaPop.com!
> > Windows Vista Links, Subscribe to Vista Discussion List
> > at Freelists.org and more! See:
> > http://www.VistaPop.com
> > **********************************************************
> > Useful Thin Client Computing Links are available at:
> > http://thin.net/links.cfm
> > ThinWiki community - Excellent SBC Search Capabilities!
> > http://www.thinwiki.com
> > ***********************************************************
> > For Archives, to Unsubscribe, Subscribe or
> > set Digest or Vacation mode use the below link:
> > http://thin.net/citrixlist.cfm
> >
>
********************************************************
New Site from The Kenzig Group VistaPop.com!
Windows Vista Links, Subscribe to Vista Discussion List
at Freelists.org and more! See:
http://www.VistaPop.com
**********************************************************
Useful Thin Client Computing Links are available at:
http://thin.net/links.cfm
ThinWiki community - Excellent SBC Search Capabilities!
http://www.thinwiki.com
***********************************************************
For Archives, to Unsubscribe, Subscribe or
set Digest or Vacation mode use the below link:
http://thin.net/citrixlist.cfm
Other related posts:
