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Top Forums Shell Programming and Scripting Script running in parallel failing! Post 302763429 by Panna on Wednesday 30th of January 2013 03:47:22 AM
Old 01-30-2013
Hi Don Cragun,

Well the script is fetching files from remote location to the local directory through SFTP. The script is correct because it still runs fine for some streams while it fails for others.
Code:
 
for sftp_file_name in `cat remote_file_list_1` #there are 30 file list fetching files from 30 different IP
do 
fetch_file=`sftp -b $batch_file $remote_user@$remote_IP`
.....
.....
done

fetch_file variable would be blank and the script fails to fetch remote file. Note that the remote system is not changed and if I run the script again individually (not when 29 other streams are running simultaneously) then it successfully fetches file from the remote IP!!

Please understand that I won't be able to paste the whole script Smilie but have posted only the snippet (while masking info about user, IP, etc.) where the problem occurs. I hope this is sufficient.

I assumed it to be more of a system issue than code issue and hence didn't post any code with it.......Smilie

Thanks.
 

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uudemon(4)						     Kernel Interfaces Manual							uudemon(4)

NAME
uudemon.admin, uudemon.cleanu, uudemon.hour, uudemon.poll - Administrative shell scripts for polling remote systems, cleaning up spool directories, reporting status to the system administrator, and routine invocations of the uuxqt and uusched daemons SYNOPSIS
These shell scripts reside in the following directory: /usr/lib/uucp DESCRIPTION
All the scripts can be run from the command line or can be run automatically by the cron daemon. To automatically run the scripts, remove the comment character (#) from the beginning of the relevant line in the /var/spool/cron/crontabs/uucp file. This script reports status to the system administrator. It issues the uustat command to find out the status of uucp jobs. It mails the results to the uucp login ID. The script may be modified to send mail to any login ID such as the uucp administrative login ID (uucpa) or root. This script cleans up the /var/spool/uucp and /var/spool/uucppublic directories by running the uucleanup command. The uucleanup com- mand is run with the following parameters: -C7, -D7, X2, -o2, -W1. This script runs the uusched and uuxqt daemons in the background. This script polls the systems listed in the /usr/lib/uucp/Poll file. The uudemon.poll script should be scheduled before the uudemon.hour script. This allows uudemon.poll to create any command files before cron runs the uudemon.hour script. FILES
Contains the uudemon.admin, uudemon.cleanu, uudemon.hour and uudemon.poll files. Contains the uucp file. RELATED INFORMATION
Commands: cron(8), uucleanup(8), uusched(8), uuxqt(1) Files: /usr/lib/uucp delim off uudemon(4)
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