BackupPC-users

Re: [BackupPC-users] XP rsync SLOW and fails

2009-08-24 02:32:51
Subject: Re: [BackupPC-users] XP rsync SLOW and fails
From: Matthias Meyer <matthias.meyer AT gmx DOT li>
To: backuppc-users AT lists.sourceforge DOT net
Date: Mon, 24 Aug 2009 08:29:28 +0200
Matthias Meyer wrote:

> Brian Bettger wrote:
> 
>> Hello all,
>>  
>> Installed BackupPC version 3.1.0 a few months ago. After creating all
>> users on the server using one users profile as a template for the rest, I
>> would think they'd all behave the same. Tested the rsync on all the
>> laptops initially and had pretty good results.
>> 
>> About a week later my bosses laptop, scheduled for an incremental, began
>> backing up at 10:00 am and was still running when she shutdown her laptop
>> at 7:00 pm. Obviously the backup failed. The previous days incrementals
>> lasted only 45 minutes or so. Pretty much all default settings as seen at
>> the Web GUI config for each user.
>> 
>>>>From that last incremental onward the backups begin and just keep running
>>>until the user powers off. This is occurring on at least three laptops
>>>now.
>> 
>> It seems like rsync begins very strong as the CPU utilization for that
>> users process runs up to 25% on the Suse 10 server, then after about
>> 30~45 minutes it gradually throttles back almost to zero.
>> 
>> I've tried excludes of the pagefile, ntuser.dat, system volume
>> information, etc with no change. Updated to a newer rsync than what came
>> with cygwin-rsyncd-2.6.8_0.zip on my bosses laptop...
>> 
>> No SSH, Trusted network, just running on port 873, firewall has the port
>> opened via the netsh firewall commands by running service.bat from the
>> package mentioned above.
>> 
>> It almost seems like rsync.exe is stalling on the client laptops. It's
>> process shows little CPU utilization, naturally, when time runs onward it
>> decreases to nearly zero.
>>  
>> Here is a copy from the log file of a Full backup that SHOULD take no
>> more than 3 hours, based on previous successful full backups of this
>> laptop:
>> 
>> 2009-08-03 06:00:03 no ping response
>> 2009-08-03 12:00:00 full backup started for directory cDrive
>> 2009-08-03 19:00:31 Got fatal error during xfer (Child exited
>> prematurely) 2009-08-03 19:00:39 Backup aborted (lost network connection
>> during backup) 2009-08-03 20:00:03 no ping response
>> 
>> At 19:00 hours my boss finally shutdown for the night.
>> 
>> I could REALLY use some help and or pointers to get this back to the
>> peppy speed it once used to have.
>> 
>> Your thoughts and suggestions?
> 
> Maybee your boss had a lot of new (big) files?
> Try to activate logging (add -vvv to the RsyncArgs) and check if always
> the same file is the last before abort.
> I have had a similiar problem with a very big outlook.pst in combination
> with a network interruption.
> 
> br
> Matthias
What's about IP traffic on port 873? Check it with e.g. IPTraf.
br
Matthias
-- 
Don't Panic


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