Re: REISER4 - A simple test with a filesystem and Oracle

[Alex Zarochentsev <zam@namesys.com>]

On Fri, Jan 16, 2004 at 07:11:44AM -0800, Paolo Correnti wrote:
> "Alex Zarochentsev" wrote
> 
> > can you try sync(1) and see does it help to recover
> > free space ?
> 
> Of course, but how do you use sync (I mean with what
> option) ?


just /bin/sync, it should force commit of reiser4 transactions  and, thereby, 
free space.

> 
> Just to know, another "strange" data
> 
> When I use df:
> 
> /dev/hda6              3701704   3042088    659616 
> 83% /u01
> 
> Then 
> 
> cd /u01/oradata/pamodb
> du
> 
> 1261200 ./archivelogs
> 4386399 .
> 
> First data (1,2 Gb) is effective, but 4,3 Gb occupated
> on a 3,7 Gb partition is not real, of course.

du(1) counts blocks (default behaviour), not bytes. 

so if two small files share one block in reiser4 du(1) counts 2 blocks 
instead of 1.


> 
> Best regards
>   
> Paolo Correnti
> 
> > >  
> > >  
> > > 
> > > 
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> > -- 
> > Alex.
> 
> 
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-- 
Alex.