Van Stokes wrote:
>
> I am running AIX 4.1.4 on a J30.
> The tape drive is a 5.0GB Internal 8mm SCSI drive.
>
> When you do a change/show characteristics of a tape drive in
> SMIT you have the option to change the block size.
>
> First,
> The block size is in what? Bytes? Kbytes? Mbytes?
> 512K Blocks?
>
> Second,
> What is a good performance block number to use? I have
> been told that zero (variable length) is SLOW and I tend to
> agree when it comes to reading the tape back into the
> system.
> I have been told that 1024 is a good number.
> Suggestions?
>
> *** Van ***
> vstokes AT vha DOT com
        hi,
        Suggestions,

        For optimum blocking use 65536, 64Kb

        Brian Johnson
        BT (British Telecom)
        44 (0) 1908 656067