We have seen very similar problems in large fb dbs. After much network troubleshooting, it wasn't network issue. More like "corrupted" db. A backup/restore of that db with issue would fix it. You might want to give it a try.

rgds,
john

--- In firebird-support@yahoogroups.com, Steve Wiser <steve@...> wrote:
>
> Check to make sure the NIC on the server is not auto-negotiating the wrong
> speed or duplex
>
> -steve
>
> --
> Steve Wiser
> President
> Specialized Business Software
> 6325 Cochran Road, Unit 1
> Solon, OH 44139
>
> www.specializedbusinesssoftware.com
> www.docunym.com
> (440) 542-9145 - fax (440) 542-9143
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>
>
>
> On Thu, Oct 20, 2011 at 7:46 AM, Norman Dunbar <Norman@...>wrote:
>
> > **
> >
> >
> > John,
> >
> >
> > On 20/10/11 12:18, gwc8182 wrote:
> >
> > > Took the client's server back for testing and unsurprisingly the problem
> > could not be reproduced anymore at my office.
> > Ok, there's a clue there. The network at the customer site. Well, the
> > infrastructure at the customer site.
> >
> >
> > > Going to perform few test on the server before deciding to reformat the
> > server.
> > Reformat the server is a tad drastic. Sounds like a Microsoft Certified
> > Engineer type thing! <duck and runs> ;-)
> >
> > There is, I'd bet, a network configuration somewhere that's causing this.
> >
> > Have you tried, as was suggested, leaving a couple of ssh sessions (or
> > something else that connects and then sits idle) open, but idle, to see
> > if they disconnect as well?
> >
> > I'd be willing to bet that a reformat of the server will not solve the
> > problem unless you reinstall Windows (?) and reconfigure it to not kill
> > dead connections.
> >
> > The links I gave in my previous reply might give you a clue as to where
> > to look for the setting.
> >
> >
> > Cheers,
> > Norm.
> >
> > --
> > Norman Dunbar
> > Dunbar IT Consultants Ltd
> >
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> > United Kingdom
> > LS28 7EL
> >
> > Company Number: 05132767
> >
> >
> >
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