Amanda-Users

AW: AW: Problem with backup from 64bit Client

2005-09-19 08:21:35
Subject: AW: AW: Problem with backup from 64bit Client
From: Sebastian Kösters <skoesters AT sino DOT de>
To: "'Joshua Baker-LePain'" <jlb17 AT duke DOT edu>
Date: Mon, 19 Sep 2005 14:17:28 +0200
You are right. The Filesize of /var/log/lastlog is 1,2T

I dont know that there is a file with this filesize on 64bit System. 

I excluded it like the Documentation says

define dumptype high-tar {
    comment "partitions dumped with tar"
    priority high
    program "GNUTAR"
    exclude "./log/lastlog"
    record yes
    index yes
    strategy standard
}

Tomorrow i will se if it works ;)

Thank you very much! 


-----Ursprüngliche Nachricht-----
Von: Joshua Baker-LePain [mailto:jlb17 AT duke DOT edu] 
Gesendet: Montag, 19. September 2005 14:04
An: Sebastian Kösters
Cc: amanda-users AT amanda DOT org
Betreff: Re: AW: Problem with backup from 64bit Client

On Mon, 19 Sep 2005 at 1:58pm, Sebastian Kösters wrote

> Why do you think /var is my Problem?
> 
It was a hunch, and I was right.  See below.

> And whats about /var/log/lastlog. Where do i have to exclude it?

On 64bit systems, /var/log/lastlog is a sparse file with an apparently 
*gigantic* size (it appears to be >1TiB, but is really only few K).  tar 
has changed its handling of sparse files recently, and now essentially 
scans the whole file.  This takes a long time on 64bit systems.

> sendsize.20050919010115.debug
.
.
> sendsize[32213]: estimate time for /var level 0: 5480.174
> sendsize[32213]: estimate size for /var level 0: 1052400 KB

See how long it took to estimate /var?  If you do etimeout*number of FSs 
on this client, I'm sure that the estimate time above will be bigger than 
the result, which is why your estimates are timing out.

For info on how to exclude, see the documentation, specifically 
<http://www.amanda.org/docs/exclude.html>.

-- 
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University





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