[THIN] Re: Servers gradually grind to a halt

  • From: "Walter, Chris" <christopher.walter@xxxxxxx>
  • To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>
  • Date: Thu, 28 Sep 2006 11:39:08 -0400

I've had the same problem before and I believe it was fixed by a Microsoft
hotfix.  Have a look at http://support.microsoft.com/kb/832971/ I believe
this is the one that fixed it for me.

Chris

-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Angus Macdonald
Sent: Thursday, September 28, 2006 8:21 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Servers gradually grind to a halt

Thanks for that. We've got a huge variety of printers so getting rid of
drivers could be difficult but it may come to that.

-----Original Message-----
From: Jeremy Saunders [mailto:jeremy.saunders@xxxxxxxxxxx]
Sent: 28 September 2006 13:11
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Servers gradually grind to a halt


I think this might be a printer driver issue. A customer of mine was
getting exactly the same problem on a Windows 2003 SP1 server with PS4. I
was convinced it was a printer driver issue, even though was unable to
prove it. So we rebuilt it using the UPD plus a couple of basic HP LJ
drivers for mappings. No other drivers were installed. So far so good. I
know that this is PS4 with a different printing mechanism, but I couldn't
help but notice the similarities with your issue.

Cheers.
                                                                
 Kind regards,                                                  
                                                                
 Jeremy Saunders                                                
 Senior Technical Specialist                                    
                                                                
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             Angus Macdonald                                               
             <Angus.Macdonald@                                             
             nww-tr.wales.nhs.                                          To 
             uk>                       thin@xxxxxxxxxxxxx                  
             Sent by:                                                   cc 
             thin-bounce@freel                                             
             ists.org                                              Subject 
                                       [THIN] Re: Servers gradually grind  
                                       to a halt                           
             28/09/2006 07:02                                              
             PM                                                            
                                                                           
                                                                           
             Please respond to                                             
             thin@xxxxxxxxxxxx                                             
                     g                                                     
                                                                           
                                                                           




I spoke too soon! One has just gone down again.
      -----Original Message-----
      From: Angus Macdonald [mailto:Angus.Macdonald@xxxxxxxxxxxxxxxxxxx]
      Sent: 28 September 2006 10:53
      To: thin@xxxxxxxxxxxxx
      Subject: [THIN] Re: Servers gradually grind to a halt

      New datastore is in and appears to have calmed things down. Now, is
      there a way to move my printer name mappings from the old farm?

      Angus
            -----Original Message-----
            From: Angus Macdonald
            [mailto:Angus.Macdonald@xxxxxxxxxxxxxxxxxxx]
            Sent: 26 September 2006 22:07
            To: thin@xxxxxxxxxxxxx
            Subject: [THIN] Re: Servers gradually grind to a halt

            I've actually still got a PS4 server in the farm but it's on
            the point of hardware death and about to be replaced with a PS3
            equivalent. It has to be powered down daily.

            First thing in the morning I'm building a new farm / datastore
            and migrating the servers across to it. I don't suppose it's
            possible to migrate farms without upsetting the sessions
            already running on each server is it. I know, I want the moon
            on a stick etc etc.

            Thanks for the pointers gents.
            Angus
                  -----Original Message-----
                  From: Andrew Wood [mailto:andrew.wood@xxxxxxxxxxxxxxxx]
                  Sent: 26 September 2006 17:57
                  To: thin@xxxxxxxxxxxxx
                  Subject: [THIN] Re: Servers gradually grind to a halt

                  Ah, I understand what you're saying there - top tip.

                  But, my (badly phrased) point was that if you upgrade
                  your DS (to PS4) you can't go to a situation (like Angus
                  appears to have) where you have *no* PS4 boxes at all.

                  From: thin-bounce@xxxxxxxxxxxxx
                  [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Jeff
                  Pitsch
                  Sent: 26 September 2006 17:36
                  To: thin@xxxxxxxxxxxxx
                  Subject: [THIN] Re: Servers gradually grind to a halt

                  I'm not sure what your saying there.

                  Your DS will be automatically upgraded once a PS4 box is
                  introduced to the farm.  Outside of doing a restore to
                  the DS, there is no way of downgrading the DS if you
                  remove the server.

                  If your going to run a mixed version environment, it is
                  best practice to have a zone for each version.  So if
                  your farm is PS3 and PS4 (assuming PS3 is NOT running
                  SP1), then you'd have a zone for PS3 and a zone for PS4.
                  A zone REQUIRES a ZDC so if you have a PS4 zone, you have
                  a PS4 ZDC for that zone.  There are too many issues with
                  mixing a single zone with multiple versions.  this comes
                  from cold, hard experience.



                  Jeff Pitsch
                  Microsoft MVP - Terminal Server
                  Provision Networks VIP


                  Forums not enough?
                  Get support from the experts at your business
                  http://jeffpitschconsulting.com





                  On 9/26/06, Andrew Wood <andrew.wood@xxxxxxxxxxxxxxxx>
                  wrote:
                    So - ok to upgrade your DS to PS4, but not have at
                    least 1 ZDCs/Connection server on PS4?

                    From: thin-bounce@xxxxxxxxxxxxx [mailto:
                    thin-bounce@xxxxxxxxxxxxx] On Behalf Of Jeff Pitsch
                    Sent: 26 September 2006 17:08

                    To: thin@xxxxxxxxxxxxx
                    Subject: [THIN] Re: Servers gradually grind to a halt


                    Always keep the versions in their own zones.  That
                    eliminates the problems.



                    Jeff Pitsch
                    Microsoft MVP - Terminal Server
                    Provision Networks VIP


                    Forums not enough?
                    Get support from the experts at your business
                    http://jeffpitschconsulting.com





                    On 9/26/06, Andrew Wood <andrew.wood@xxxxxxxxxxxxxxxx >
                    wrote:
                     It's a different structure isn't it?

                     I know for instance that there is a schema change in
                     R02 for CPS4 which can
                     cause problems if the servers aren't updated
                     correctly. Should always have
                     your Dcs on the latest  service pack revision - but
                     this won't be the case
                     in the new farm.

                     And your obviously getting some timeout issues.

                     For example, in a migration at least your Dcs, data
                     connection servers and
                     metric servers should be PS4 first - if you've gone
                     PS3 for everything
                     that's probably not going to be pretty.

                     :(

                     -----Original Message-----
                     From: thin-bounce@xxxxxxxxxxxxx [mailto:
                     thin-bounce@xxxxxxxxxxxxx] On Behalf
                     Of Angus Macdonald
                     Sent: 26 September 2006 16:46
                     To: thin@xxxxxxxxxxxxx
                     Subject: [THIN] Re: Servers gradually grind to a halt

                     I didn't recreate the datastore when I downgraded or
                     when I later rebuilt
                     from fresh. I thought the datastore would remain
                     compatible. I may create a
                     new farm on a new datastore and move the servers into
                     it tomorrow. The
                     difficulty is that we are in healthcare and need the
                     farm 25/8.

                     -----Original Message-----
                     From: Andrew Wood [mailto:
                     andrew.wood@xxxxxxxxxxxxxxxx]
                     Sent: 26 September 2006 16:39
                     To: thin@xxxxxxxxxxxxx
                     Subject: [THIN] Re: Servers gradually grind to a halt


                     Indeed - or did you re-create the datastore, but use
                     the old .dsn?

                     -----Original Message-----
                     From: thin-bounce@xxxxxxxxxxxxx [mailto:
                     thin-bounce@xxxxxxxxxxxxx] On Behalf
                     Of Landin, Mark
                     Sent: 26 September 2006 15:48
                     To: thin@xxxxxxxxxxxxx; thin@xxxxxxxxxxxxx
                     Subject: [THIN] Re: Servers gradually grind to a halt


                     What's your datastore?

                     Did you recreate your datastore when you downgraded
                     from PS4 to PS3? What
                     was your procedure? Perhaps there was a misstep that
                     could explain what's
                     happening...

                     -----Original Message-----
                     From: thin-bounce@xxxxxxxxxxxxx on behalf of Angus
                     Macdonald
                     Sent: Tue 9/26/2006 8:53 AM
                     To: thin@xxxxxxxxxxxxx
                     Subject: [THIN] Re: Servers gradually grind to a halt

                     I've just run DSCHECK and I' getting

                     "Can't read package info from data store"
                     "Can't read package info from data store"
                     "Can't read package info from data store"

                     I've tried dscheck/full on apps, servers and printers
                     but the warnings
                     remain. related?


                     -----Original Message-----
                     From: Andrew Wood [mailto:
                     andrew.wood@xxxxxxxxxxxxxxxx ]
                     Sent: 26 September 2006 11:18
                     To: thin@xxxxxxxxxxxxx
                     Subject: [THIN] Re: Servers gradually grind to a halt


                     Using qwinsta I was seeing a couple of down sessions,
                     then a number of
                     sessions hit conn and move no further. At that point
                     the server is accepting
                     load, but unable to process it.

                     Mind, I think mine is related to session logons coming
                     in too fast. I also
                     had a problem with a logon script attempting to map to
                     a drive that didn't
                     actually exist - this was for all users and no help at
                     all to the logon
                     process.

                     What happens if you *don't* put on the hotfixes?

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