So, my other question is - is this worth increasing the block-size?  Am
I likely to gain performance with the change?

Thanks.
Teresa

-----Original Message-----
From: Davina Treiber [mailto:Davina.Treiber AT PeeVRo.co DOT uk] 
Sent: Wednesday, September 24, 2008 8:50 AM
To: EMC NetWorker discussion; Teresa Biehler
Subject: Re: [Networker] block-size question

Teresa Biehler wrote:
> Hi everyone,
> 
>  
> 
> We've got a Solaris NW server.  We used to have several Windows
storage
> nodes which shared drives with our NW server.  Because of this, we set
> the block-size for our tapes to be compatible across all platforms.
> This meant that we reduced the block-size on the Solaris side to match
> the Windows side.
> 
>  
> 
> Well, we no longer have the Windows storage nodes.  We now have a
> Solaris storage node which shares drives with our Solaris NW server.
Is
> it possible to increase the block-size?  Or will this make all our
> existing tapes unreadable?

You can simply change this and it will still work. Your Solaris server 
will not have any problem reading tapes with a smaller block size since 
there are none of the issues that you would have had the other way round

where there would have been insufficient buffer space.

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