Re: [Condor-users] 7.4.2 / 7.4.4: condor_q trouble when pool PCs suddenly are powered off !?!

[Dan Bradley <dan@xxxxxxxxxxxx>]

During the time when condor_q fails, what do you see in SchedLog?

--Dan

On 11/22/10 7:19 AM, Rob wrote:
> Hi,
>
> I have a  linux (Fedora 12) condor master with condor version 7.4.2.
> The Windows XP pool PCs are all running condor version 7.4.4.
>
> The condor master is having trouble to produce the condor_q output at times when
> the pool PCs are switched off:
>
> ==============
> $ condor_q
> 11/22 22:04:05 condor_read(): timeout reading 5 bytes from schedd at
> <115.105.120.71:60614>.
> 11/22 22:04:05 IO: Failed to read packet header
> 11/22 22:04:05 SECMAN: reconnected to schedd at<115.105.120.71:60614>  from port
> 52251 to send unauthenticated command 1111 QMGMT_CMD
> 11/22 22:04:26 condor_read(): timeout reading 5 bytes from schedd at
> <115.105.120.71:60614>.
> 11/22 22:04:26 IO: Failed to read packet header
> 11/22 22:04:46 condor_read(): timeout reading 5 bytes from schedd at
> <115.105.120.71:60614>.
> 11/22 22:04:46 IO: Failed to read packet header
>
> -- Failed to fetch ads from:<115.105.120.71:60614>  : condor.dns.org
> ==============
>
>
> The pool PC is a set of over 300 public library Windows XP PCs, which are all
> centrally powered off at the same time in the evening. For a while the condor
> master keeps hanging on to the PCs' status before the poweroff (understandably,
> as it has no clue what has happened to the "disappeared" PCs). After a while the
> condor master then abandons whatever was going on on the PCs. During the
> transition time, the condor_q command seems to have trouble producing useful
> output.
>
> Is this a "feature" or a bug?
>
> Thanks,
> Rob.
>
>
>
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