Re: Antwort: RE: OT: Cron not working

Great answer! And thanks a lot! I'll keep this one burned on some cd with other great mails fropm this list...

Quoting Alex.Apostolopoulos_at_secartis.com:

>
>
>
>
> Vladimir:
>
> "fuser /var/log/cron" and "lsof" might be a starting point to find out
> what
> went wrong.
>
> It will give you a list of programs that currently have this inode open.
> If one of these programs has opened the logfile in blocking mode
> then other programs will simply sit there and wait or time out depending
> on the implementation ( ioctl,termio ) when they try to open the
> logfile.
> Under some circumstances it is possible that the kernel (who keeps the
> list of open inodes and their condition) does not get notified when the
> program
> owning this inode died, rarly happens as kernels are quite robust.
> Therefor
> I am sure a reboot would have solved the problem as well allthought not
> recomended.
>
> So you would have to inspect the relevant kernel tables (adb on hp-ux,
> maybe
> the /proc directory under red hat offers help here).
> The reason why it worked when you deleted and touched the file was
> because
> it then has received a new inode as "ls -i" would show and therefore the
> related
> lock is pointing to another destination. After the fopen only the inode
> is
> relevant
> not the name any more.
>
> of course if cron is not working the first thing you should check is if
> the daemon
> is running :-)))
>
> HTH
>
> cheers alex
>
>
>
>
>
> <John.Hallas_at_voda
>
> fone.co.uk> An: Multiple
> recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> Gesendet von: Kopie:
>
> root_at_fatcity.com Thema: RE: OT: Cron
> not working
>
>
>
>
> 04.02.2003 15:39
>
> Bitte antworten
>
> an ORACLE-L
>
>
>
>
>
>
>
>
> Vladimir,
> I have seen 2 replies to questions today that were less than tactful,
> yours
> and one regarding awk & ksh
> If you post a message asking for help and someone tries to help then it
> is
> bad manners to be critical of that help.
>
> I am replying to this because I also replied to your post with some
> basic
> info on the use of cron, the same as Robert did.
> If we both read your mail and thought you had minimal knowledge of cron
> then
> perhaps your post was at fault , not those who offer help.
>
> Glad to hear you have sorted the problem anyway
>
> John
>
>
> -----Original Message-----
> Sent: 04 February 2003 13:19
> To: Multiple recipients of list ORACLE-L
>
>
> Oh, really? I'm not beginner...
>
> Anyway, thanks... Solution was weird...
>
> When I deleted /var/log/cron file, then touched /var/log/cron and then
> started cron - everything went
> back to normal.
>
> Why the f&(#$^%* it wasn't working, I don't understabd... /var/log/cron
> was
> small (~30k), "df -k /var/log" gave me about 1 Gig of free space... Yet,
> cron was not working...
>
>
> ----- Original Message -----
> To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
> Sent: Tuesday, February 04, 2003 13:23
>
>
> > $ps xea | grep crond
> >
> > Will show you if the cron process is running or not....
> >
> > -rje
> >
> >
> > VB> Hello to everyone...
> >
> > VB> Red Hat 6.2
> >
> > VB> How do I find out what is wrong with cron? From January 15th until
> today
> > VB> cron is not working... My (oracle's) crontab file HAS not
> changed...
> >
> --
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> --
> Author: <John.Hallas_at_vodafone.co.uk
> INET: John.Hallas_at_vodafone.co.uk
>
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> Author:
> INET: Alex.Apostolopoulos_at_secartis.com
>
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-- 
Author: 
  INET: vladob_at_aster.si

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