Re: [Condor-users] Amount of ports used by condor

["Maxim Kovgan" <maxim.kvg@xxxxxxxxx>]

Maybe you need to set:

On 2/24/06, Greg.Hitchen@xxxxxxxx <Greg.Hitchen@xxxxxxxx > wrote:

In addition we are still getting "failed to bind any port within (9000 ~
10000)"

If you see this on the submission machine, it is OK, simply make it listen on any port as long as the execution machines ( starters and startd's  ) use the port range.

you achieve this by specifying:
HIGHPORT = UNDEFINED
LOWPORT = UNDEFINED
in schedd's local config file. ( ONLY for SCHEDD, because it is spawning the largest amount of listen()'ers - shadows )

so now, you need:
1-2 machines with schedd that will accept connections from predefined hosts ( make them in 1 subnet block, and you're fine )
many machines that will accept connections to the range of 15 predefined ports.


Regards,
Max.

errors on a number of PCs running condor and they are therefore not
showing up
in condor_status.

> -----Original Message-----
> From: condor-users-bounces@xxxxxxxxxxx
> [mailto:condor-users-bounces@xxxxxxxxxxx] On Behalf Of
> Hitchen, Greg (E&M, Kensington)
> Sent: Friday, 24 February 2006 1:11 PM
> To: condor-users@xxxxxxxxxxx
> Subject: Re: [Condor-users] Amount of ports used by condor
>
>
> > -----Original Message-----
> > From: condor-users-bounces@xxxxxxxxxxx
> > [mailto:condor-users-bounces@xxxxxxxxxxx] On Behalf Of Erik Paulson
> > Sent: Friday, 24 February 2006 9:50 AM
> > To: Condor-Users Mail List
> > Subject: Re: [Condor-users] Amount of ports used by condor
> >
> > The number of machines doesn't factor into it - you just need
> > to have enough open ports for the max single machine. It's
> > not the sum.
> >
> > If you have an execute machine with 2 VMs, the manual says to
> > open 15 ports (5 + 5*number of VMs)
> >
> > If you have 1000 execute machines, each with 2VMs, you still
> > only have to open 15 ports. Each machine can use the same 15
> > ports, but on different IP addresses.
> >
>
> This doesn't seem to be what happens though, unless I'm
> misunderstanding
> something. Our current test pool has of the order of 50-60 machines
> in it (windows machines).  We have used the HIGHPORT and
> LOWPORT options
> to restrict the port range to 9000-10000. I used tcpdump on our linux
> central manager and it shows only 445 unused ports in that range,
> i.e. about 555 unique ones used (~ 55 machines X 10 ports
> each (1 vm)).
>
> We first ran into this when increasing our pool size and the
> port range
> was only 9600-9700. Machines started getting the "failing to bind to
> a port" type of error. Increasing to 9000-10000 fixed this but now we
> are looking at pool sizes of hundreds of PCs.
>
> Cheers
>
> Greg
>
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