[THIN] Re: KB CTX108645
- From: "Joe Shonk" <joe.shonk@xxxxxxxxx>
- To: thin@xxxxxxxxxxxxx
- Date: Thu, 2 Mar 2006 17:07:54 -0700
Ugh, no... This is the hotfix that "temporarily" increases the load value
on the ZDC when a user logs in... This vulnerability has always existed...
Citrix ignored it for a while... The guys from across the pond have a util
(DADE Powertools) that throttles logons.
Joe
On 3/2/06, Bob <bobmails@xxxxxxxxx> wrote:
>
> yah no...
>
> The ZDC is supposed to increment the load by 200 points <temporarily> any
> time they toss a user onto a server. It's just a feeeeling, but I think one
> of the revs accidently killed this built-in safeguard and Citrix has just
> now gotten around to fixing it.
>
>
>
>
> On 3/2/06, Steve Greenberg <steveg@xxxxxxxxxxxxxx> wrote:
> >
> > The problem has occurred at our customer sites where there was some
> > issue that forced a reboot of server(s) - what happens is that the least
> > loaded server reports as the most available and all logins are directed to
> > it. It may not be at 8am, some of our customers have a large number of
> > active logins all day long. The one "least loaded" server becomes bogged
> > down and can't actually login in people effectively and the Citrix load
> > balancing metrics do not reflect this state. Definitely was a bug, glad they
> > addressed it…..
> >
> >
> >
> > Steve Greenberg
> >
> > Thin Client Computing
> >
> > 34522 N. Scottsdale Rd D8453
> >
> > Scottsdale, AZ 85262
> >
> > (602) 432-8649
> >
> > www.thinclient.net
> >
> > steveg@xxxxxxxxxxxxxx
> >
> >
> > ------------------------------
> >
> > *From:* thin-bounce@xxxxxxxxxxxxx [mailto: thin-bounce@xxxxxxxxxxxxx] *On
> > Behalf Of *Jeff Pitsch
> > *Sent:* Thursday, March 02, 2006 9:18 AM
> > *To:* thin@xxxxxxxxxxxxx
> > *Subject:* [THIN] Re: KB CTX108645
> >
> >
> >
> > Wouldn't that be common sense to not add a new server during heavy login
> > times? Or is that just me..... :)
> >
> >
> >
> > Jeff
> >
> >
> >
> > On 3/2/06, *Joe Shonk* <joe.shonk@xxxxxxxxx> wrote:
> >
> > FYI: Citrix released a fix for the infamous on-ramp blackhole...
> > (Basically, if you add a server during heavy login time, you'll over load
> > the server because all new logins will go to it as it's the Least Loaded
> > Server.)
> >
> >
> >
> > http://support.citrix.com/article/CTX108645
> >
> >
> >
>
>
Other related posts:
