Re: checksum woes

[Mark Burgess]

This reminds me of a bug that was in an old version. Are you
up to date with upgrades?

Mark

> 
> Tod Oace wrote:
> >>> A couple weeks ago I posted a message about trouble I'm having with
> >>> type=checksum network copies occasionally firing off when files have
> >>> not changed on the server.
> >>
> >>
> >> I'd be VERY interested to hear if you solve this one.  I'm having the
> >> EXACT same issue on one of my servers.  The difference in my case is
> >> that I'm not using a checksum database of any kind.  All the checksums
> >> get computed in real-time (server-side AND client-side).
> > 
> > 
> > Well that's disturbing/interesting. Yesterday I tried disabling the 
> > checksum database on the server side and have still been seeing the 
> > problems. So earlier today I disabled it on the client side and have 
> > seen a couple more cases of it since then. I'm not sure if it's slowed 
> > down any, but I'll know for sure tomorrow. I've been tracking one 
> > particular problem for the past couple weeks and have a good baseline.
> > 
> >> I've been beating my head against the wall on this for a while.
> > 
> > 
> > I'm glad I'm not the only one. I guess.  :)
> > 
> > I'll try and capture and analyze more cfservd debug output soon.
> > 
> 
> I am having the same problem. However it is happening every time on some 
> copies. Not only that, it then tries to save the file in 
> /var/spool/cfengine, and finds an entry already there. It then 
> recursively moves the saved files, and after a while I get files with 
> multiple instances of _var_spool_cfengine at the beginning and umpteen 
> .cfsaved extensions on the end.
> 
> I haven't looked into the problem yet. I only found it because 'locate' 
> was segfaulting. Doing `locate '*' | tail` showed the segfault occuring 
> after printing some of the overlong cfengine spool files.
> 
> It is interesting that the extraneous copies occur regardless of the 
> checksum database. I suspected that the problem was related to the 
> unsafe concurrent access to the checksum DB. It appears not. One of the 
> files that gets copied every time is nedit. The destination is 
> /usr/local/bin. There is definitely an entry for nedit in the checksum 
> database. The database can be examined using db_dump with the -p option 
> to show human readable output instead of hexified text.
> 
> Since the problem is solid for me I will try and duplicate it with the 
> smallest config file I can manage. Then I should be able to do full 
> debugging, trussing, network snooping, etc.
> 
> Regards,
> Frank Ranner
> 
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> 



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Work: +47 22453272            Email:  Mark.Burgess@iu.hio.no
Fax : +47 22453205            WWW  :  http://www.iu.hio.no/~mark
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