Networker

[Networker] enabling compression

2008-08-25 18:03:25
Subject: [Networker] enabling compression
From: kurianv <networker-forum AT BACKUPCENTRAL DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Mon, 25 Aug 2008 17:58:26 -0400
hi,
thanx for the valuable suggestions...but davina how can we force the tape 
drives not to compress if we are using "NT with compressed directives".

thnx, 
kurian



davina wrote:
> kurianv wrote:
> 
> > hi,
> > sorry i did not tell in detail...actually we are using sdlt tape drives of 
> > 320 GB capacity
> > And whereas in the case of netapp filer..what we have done is that now we 
> > have mapped the drives of filer in a windows server. So now the client is 
> > windows server. And when the backup is taken the maapped drives of the 
> > filers are also backed up....
> > 
> > Please can u suggest on the way how we can enable compression in this 
> > case..?
> > 
> 
> The best compression will come by using the compression of the SDLT 
> drives. If you insist on using software compression you do this by 
> selecting "NT with compression directives" in the client resource. If 
> you do this I suggest that you force the tape drives NOT to compress, as 
> double compressing negates the effect and sometimes ends up backing up 
> more data than just using hardware or software compression.
> 
> Software compression is (IMHO) best reserved for those cases where the 
> client is connected to the storage node via a very slow network connection.
> 
> 
> via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER


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