Re: [Gluster-devel] rsync & switch scheduler?

[Dan Parsons]

Thanks, Harald. With your input I was able to put together a pretty  
easy solution to this problem, specifically use "*.foo*" instead of  
"*.foo" as rsync's temp file names are in the format of <original-file- 
name.ext>.XXXXX where XXXXX is random. I think I saw this mentioned  
here before but forgot about it until now.

Thanks!


Dan Parsons


On Jan 13, 2009, at 9:12 PM, Harald Stürzebecher wrote:

> 2009/1/14 Dan Parsons <address@hidden>:
> > I'm copying data back to my newly rebuilt glusterfs, and one of the  
> > things
> > I'm doing is using unify with the switch scheduler to send certain  
> > file
> > extensions to a stripe volume and others to a dht volume.
> >
> > When using rsync to restore this data, all files are going to dht  
> > (which I
> > do not want). When I use cp, the correct file extensions go to  
> > stripe, and
> > the others go to dht.
> >
> > What's special about rsync that's causing this problem? Is there  
> > any way
> > around this?
>
> IIRC, rsync (with default settings) creates temporary files in the
> target directory and renames them after the download is complete.
> As these temporary files probably don't have the same extension as the
> real file the switch scheduler will not be able to choose the correct
> volume.
>
> http://www.samba.org/ftp/rsync/rsync.html says that rsync has some
> options to control temporary files and file creation:
> -T, --temp-dir=DIR          create temporary files in directory DIR
> --inplace
> Anything that forces rsync to create the file with its real name
> should help with your problem, but might have side effects.
>
>
> Harald Stürzebecher