Mail Archives: cygwin/2002/08/15/21:42:17
I'm having much the same problem. The major difference is that it doesn't
matter if the job is executed from cron or the shell, both will result in
hangs with a very high frequency.
>Hi,
>
>I'm running Cygwin 1.3.12 (and a few previous) and I keep encountering an
>Rsync hang. I have a small rsync script (see below) that does backups of my
>HD to an external HD. On occasion, usually when I have an IDE open, rsync
>will hang when run as a cron job.
>
>I did some searching through the mailing list archives and found there were
>a few patches that went into the Rsync 2.4.x releases for this style of
>issue, but nothing relating to cron, and no issues since the patch went into
>rsync 2.5.x. Nothing in the documentation seems to indicate any issues or
>requirements for what I'm doing (it doesn't look like I need an rsync server
>to do a local copy).
>
>The problem seems to only occur when the job is run through Cron, running it
>via the shell will work fine. Once hung there will be two Rsync processes
>(see excerpt below) and the sh and tcsh spawned by Cron. All but one of
>these will be kill -9'able. The other can be closed via the windows task
>manager.
>
>The log that the process generates shows no errors (exceprt below) and shows
>what seems to be a complete run of rsync just before output is given.
>
>I'm at a loss at what else this could be. I've tried the script in tcsh and
>bash, both in the script and as specified in cron.
>
>Thanks in advance,
>-Al
>
>---------------------------------excerpts
>follow ----------------------------------
>
>// -------------------------- DLL Version
>1.3.12-cygwin-1-3-12-1
>
>// -------------------------- Tools Versions
>cron 3.0.1-7
>rsync 2.5.5-1
>
>
>//------------------------------- Log excerpt
>$ tail logs/Thursday_AM_backup.log
>Projects/carspecs/SQL Work/NSCYV_1-2.EXE
>Projects/carspecs/SQL Work/SSCJ_CS2002_TextFiles_UTF8.exe
>Projects/carspecs/SQL Work/SSCUSA_CS2002_TEXTFILES.EXE
>Projects/carspecs/SQL Work/SSCUSA_CS2002_TextFiles_UTF8.exe
>Projects/carspecs/SQL Work/SbF - SQLs.txt is uptodate
>Projects/carspecs/Sources/MultiCountryTestApp/Form1.frm is uptodate
>Projects/carspecs/Sources/MultiCountryTestApp/MSSCCPRJ.SCC is uptodate
>Projects/carspecs/Sources/MultiCountryTestApp/Project1.vbp is uptodate
>Projects/carspecs/Sources/MultiCountryTestApp/Project1.vbw is uptodate
>total: matches=0 tag_hits=0 false_alarms=0 data=133019599
>
>//------------------------------ Script
>#!/usr/bin/tcsh
>
># Parameters
>set backupdirs = "$HOME /d/Projects"
>set logFile = "$HOME/logs/`date "+%A_%p_backup.log"`"
>set excludes = "$HOME/backups/excludes.rsync"
>
># Start time
>date > $logFile
>
># Do the backups
>foreach dir ($backupdirs)
> rsync -av -v --delete --exclude-from=$excludes $dir
>/g/backups/`date '+%
>A'` >>& $logFile
>end
>
># End Time
>date >> $logFile
>
>
>// --------------------------------- Processes once hang has occured
>$ ps
> PID PPID PGID WINPID TTY UID STIME COMMAND
> 208 1 208 208 con 1004 07:30:05 /usr/bin/tcsh
> 1640 2776 1640 3656 ? 1004 11:45:01 /usr/bin/sh
> 3644 1640 1640 3644 ? 1004 11:45:01 /usr/bin/tcsh
> 3964 3644 1640 3372 ? 1004 11:45:07 /usr/bin/rsync
> 2668 3964 1640 2668 ? 1004 11:45:07 /usr/bin/rsync
> 1164 208 1164 2368 con 1004 12:50:31 /usr/bin/ps
>$
>
>
>// ------------------------------ Crontab -l
># DO NOT EDIT THIS FILE - edit the master and reinstall.
># (/tmp/crontab.580 installed on Wed Aug 7 16:41:33 2002)
># (Cron version -- $Id: crontab.c,v 1.6 2001/09/19 17:09:55 corinna Exp $)
># Defaults
>MAILTO=al DOT goodniss AT jato DOT com
>
>#Testing
>#37 16 * * * $HOME/backups/nightlyBackups
>
># Backups
>45 11,15 * * * $HOME/backups/nightlyBackups
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