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Re: Cfengin problems when copying large amounts of data over the ne t


From: Daniel Riek
Subject: Re: Cfengin problems when copying large amounts of data over the ne t
Date: Wed, 6 Feb 2002 20:03:37 +0100
User-agent: Mutt/1.3.25i

Hi Mark,

your right, it was encrypted and without secure=yes it works. I reduced
the encryption to the files where it is really necessary and now I have
a working setup (unless one of the next test runs shows a different
resutl :-). But for the long term I would prefere to have encryption
for all transfers as these systems run in a very paranoid environment.
- OK to be correct: I do not necessaryly need encryption but strong
authentication for everything transfered. Only few things really need
encryption...

Regards,

Daniel

On Wed, Feb 06, 2002 at 06:23:34PM +0100, address@hidden wrote:
> 
> That is a surprise -- I have never seen this error message occur. 
> Are you using encryption to transport all these files?
> 
> Anyway watch this space, because there is a significant rewrite
> of this code, which I am just testing now.
> 
> Mark
> 
> 
> On  6 Feb, Daniel Riek wrote:
> > Hi,
> > 
> > perhaps I missed something for the config, but I have a problem distributing
> > larg amounts of data over a lan with cfengine 2a16.
> > 
> > We are using cfengine for the management of a server farm. On job here is 
> > the distribution of software updates in form of rpm-packets and tarballs.
> > The software lays in several subdirectories according to the system-class
> > it should be installed on (eg. webservers, infrastructure servers, ...).
> > If new software is copied, we use a define to have cfengine run rpm -U or
> > -F over the directory. - So far this works as we intend.
> > 
> > One special case are the infrastructure servers. They are two in a redundant
> > ha setup (infra1 and infra2). All management is done from infra1 and I tried
> > to use cfengine to copy the software repository to infra2 when something 
> > changes. Thus in the first run of cfagent on infra2 a lot of files is going
> > to be copied (a whole RedHat RPM-tree, ao.).
> > Now after some time of running and copying I will get something like the 
> > following output for the rest of the files:
> > cf:infra2: 
> > /opt/alcove-iso/install-RPMS-new/RPMS/rwall-server-0.17-10.i386.rpm wasn't 
> > at destination (copying)
> > cf:infra2: Copying from 
> > infra.skk-eb:/opt/alcove-iso/install-RPMS-new/RPMS/rwall-server-0.17-10.i386.rpm
> > cf:infra2: WARNING: new file 
> > /opt/alcove-iso/install-RPMS-new/RPMS/rwall-server-0.17-10.i386.rpm.cfnew 
> > seems to have been corrupted in transit, aborting!
> > cf:infra2: /opt/alcove-iso/install-RPMS-new/RPMS/rxvt-2.7.6-4.i386.rpm 
> > wasn't at destination (copying)
> > cf:infra2: Copying from 
> > infra.skk-eb:/opt/alcove-iso/install-RPMS-new/RPMS/rxvt-2.7.6-4.i386.rpm
> > cf:infra2: WARNING: new file 
> > /opt/alcove-iso/install-RPMS-new/RPMS/rxvt-2.7.6-4.i386.rpm.cfnew seems to 
> > have been corrupted in transit, aborting!
> > ...
> > 
> > Then the .cfnew are purged and sometimes cfagent segfaults, sometimes just 
> > runs through.
> > Is it possible, that the checksum cache is exhausted, or something like
> > that? The file copy itself actually works correctly for the md5sum on the 
> > .cfnew that 
> > is purged lateron is the same as the of the original file on the policyhost.
> > 
> > Another things was, that a15 sometimes segfaultet when trying to copy 
> > symlinkgs during a recursive directory copy. But I did not try that
> > with a16 now.
> > 
> > Any ideas?
> > 
> > Regards,
> > 
> > Daniel
> > 
> 
> 
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Work: +47 22453272            Email:  address@hidden
> Fax : +47 22453205            WWW  :  http://www.iu.hio.no/~mark
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> 
> 

-- 
Daniel Riek <address@hidden>   -    http://www.alcove.com/de/
* Technical Manager                -    Tel.:   +49 (0)22 28 / 9 33-2 50
* ALCOVE Deutschland GmbH          -    Fax:    +49 (0)22 28 / 9 33-2 55
* Liberating Software              -    Mobil:  +49 (0)1 71 / 2 80 08 79

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