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тАО09-27-2004 10:05 PM
тАО09-27-2004 10:05 PM
FTP failure to timeout
The get command is issued, and although it is retrieving the file, it has hung about 3/4 of the way through on the last two nights.
Unfortunately, the FTP does not timeout and we are therefore unable to trap the error. Killing the FTP and rebsubmitting results in the file being retrieved as expected, but we don't want to do this manually every night!
We believe that the issue is down to the network or possibly the file being accessed by another process, but cannot prove this.
Can ftp be configured to timeout? Is this done at our end or at the destination end or both?
Another suggestion is to set a logical flag on completion of the ftp and have a sub-process that checks this flag periodically. Failure to set the flag after say 30 mins results in an abort.
Personally I would prefer to set up the ftp to timeout.
Regards,
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тАО09-27-2004 10:12 PM
тАО09-27-2004 10:12 PM
Re: FTP failure to timeout
I have seen enabling keepalive help in some cases like this.
Purely Personal Opinion
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тАО09-27-2004 10:17 PM
тАО09-27-2004 10:17 PM
Re: FTP failure to timeout
$ ucx sh version
$ sh cpu
$ sh sys/noproc
If you are at ucx V4, check you have the last Eco, and post the output of
$ ucx sh comm/mem
$ ucx sh serv ftp/ful
$ mc authorize sh ucx$ftp
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тАО09-27-2004 10:39 PM
тАО09-27-2004 10:39 PM
Re: FTP failure to timeout
We are on version 4.1 - ECO 9 (OpenVMS 6.2)
Attached is a file ucx.txt, with the information as requested.
Regards,
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тАО09-27-2004 10:56 PM
тАО09-27-2004 10:56 PM
Re: FTP failure to timeout
http://ftp.support.compaq.com.au/pub/ecoinfo/ecoinfo/705.htm
You should anyway apply it, and take a trace of a hung FTP transfer to analyze later
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тАО09-27-2004 10:59 PM
тАО09-27-2004 10:59 PM
Re: FTP failure to timeout
http://www.ethereal.com
and see
How to run an IP trace using TCPIP Services for OpenVMS
at
http://h18000.www1.hp.com/support/askkcs/hpcg/1_0_2985185_2748042.html
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тАО09-27-2004 11:00 PM
тАО09-27-2004 11:00 PM
Re: FTP failure to timeout
[TCP/IP] How to Analyze large TCPtraces by Selecting Specific Events
http://h18000.www1.hp.com/support/asktima/communications/CHAMP_SRC030312000373.html
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тАО09-28-2004 12:42 AM
тАО09-28-2004 12:42 AM
Re: FTP failure to timeout
I wouldn't install the eco kit like that. There is no clear trace that it will solve the problem while it may introduce new problems.
Use TCPIPTRACE I would say ...
Wim
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тАО09-28-2004 12:43 AM
тАО09-28-2004 12:43 AM
Re: FTP failure to timeout
$ DEFINE/JOB UCX$FTP_KEEPALIVE TRUE in the FTP client job
$ UCX SET SERVICE FTP/SOCKET_OPTIONS=KEEPALIVE on the FTP server. May need to stop and start FTP service.
Reference:
http://www.sysworks.com.au/disk$axpdocjun022/network/tcpip42/manage/6526pro_008.html
Volker.
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тАО09-28-2004 12:50 AM
тАО09-28-2004 12:50 AM
Re: FTP failure to timeout
Wim