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Re: Copy Times for Remote Copy


From: Jason Allen
Subject: Re: Copy Times for Remote Copy
Date: 29 Jan 2004 23:02:53 -0600

Why wouldn't you use rsync for something like this? 



On Thu, 2004-01-29 at 17:42, Andrew Greenwood wrote:
> Hi,
>       I am writing to inquire on what speed should be obtained with a
> copy: from a network cfservd server. The 2 systems are on a 100MB
> backbone. I am copying approx 250MB (27185 files) and it is taking
> +22minutes. I am using the purge feature as I would like to keep an
> exact mirror of these filesystems.. However this is only a fraction of
> what needs to be synced and the whole lot 1.4GB is taking nearly 3 hours
> to complete which is unacceptable in our case. Also the time to copy
> doesn't seem to go down after the initial sync.. Is this because I am
> using purge? Does cfengine store a database of ctimes and only sync what
> has changed or does it just start over again each run? 
> 
> I am running Cfengine 2.0.6
> 
> Here is the commands I am using:
> 
> copy:
>         /www                            dest=/www_backup
>                                         server=$(master_www)
>                                         recurse=inf
>                                         purge=true
> 
> Here is a clip of the output from cfagent -v:
> I have another question regarding this. Why is cfengine changing the
> permissions back and forth during the copy? Is this not added overhead? 
> 
> cfengine:server01: Copying from
> server02.worldgaming.com:/www/servers/httpd-2.044/bin/apachectl
> cfengine:server01: /www/servers_cas02/httpd-2.044/bin/apachectl had
> permission 600, changed it to 755
> cfengine:server01: /www/servers_cas02/httpd-2.044/bin/dbmmanage wasn't
> at destination (copying)
> cfengine:server01: Copying from
> server02.worldgaming.com:/www/servers/httpd-2.044/bin/dbmmanage
> cfengine:server01: /www/servers_cas02/httpd-2.044/bin/dbmmanage had
> permission 600, changed it to 755
> cfengine:server01: /www/servers_cas02/httpd-2.044/bin/envvars-std wasn't
> at destination (copying)
> 
> 
> Many thanks in advance for any enlightening information!
> 
> Andrew Greenwood
> System Administrator
> World Gaming PLC, Antigua
> 
> 
> _______________________________________________
> Help-cfengine mailing list
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> http://mail.gnu.org/mailman/listinfo/help-cfengine
-- 
Jason Allen <address@hidden>
Fermilab




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