Re: star tape I/O suggestion

Gerhard Schneider <[email protected]> wrote:

> Am 03.03.2011 20:12, schrieb [email protected]:
>
> > =

> > It would thus improve performance if star were able to, when writing to
> > tape, write in chunks of 51 blocks (in this example). The final write
> > would be for a lower number of blocks. The same could apply for reading
> > from tape.
>
> Sorry if I got something wrong, but my defaults for LTO-3 are 0 for the
> block size and 2048k for the blocking factor. That's a good streaming
> trade-off.

Be careful with Linux as it AFAIK by default uses unblocked tape IO that =

results in 512 byte blocksize regardless of what you tell star to do.



J=F6rg

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