[WBEL-users] optimize dat tape block size

[Conor Wynne]

On Tue, 2004-11-16 at 05:07, "Raúl D. Pittí Palma" wrote:
> I am implementing a backup using  DAT tapes.
> my hardware is a Certance DDS5 36/72 GB .
> Due to the amount of data, we are using 20/40 GB tapes.
> I am currently using 512 bytes as a block size, and tar to backup the 
> whole data everyday to one tape.
> The server is a file server for about 80 people, almost all the data is 
> on compressed format natively (desktops running mandrake and using 
> Openoffice since they are a law firm).
> can I have a performance gain if use other block size ?

Yes. try setting the speed to 1024. If memory serves me corrrectly, the
command is - 
# mt -f /dev/st0 setblk 1024

> Regards!
> RP
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-- 
Conor Wynne
Dublin
Irlande