Re: SCSI tape access on 2.6 kernels?

[Gerhard Schneider <gs@ilsb.tuwien.ac.at>]

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Gerhard Schneider wrote:
> It's getting me mad..
> 

> 
> Another machine w/
> LSI1030 SCSI controller
> Megaraid ZCR controller
> Overland tape library
> HP LTO-3 tape drive
> Kernel 2.6.14rc1:
> 
> dd if=linux-2.6.16-rc1.tar.gz of=/dev/nst0 bs=64k
> 776+1 records in
> 776+1 records out
> 50918460 bytes transferred in 45.953133 seconds (1108052 bytes/sec)
> 

After installing an old 53c875 controller on the machine w/ 2.6.14rc1:

dd if=linux-2.6.16-rc1.tar.gz of=/dev/nst0 bs=64k
776+1 records in
776+1 records out
50918460 bytes transferred in 27.565659 seconds (1847170 bytes/sec)

Perhaps a 53c810 would be the fastest? What am I doing wrong?

                                   Gerhard Schneider

-- 
Gerhard Schneider
Institute of Lightweight Design and          e-Mail:gs@ilsb.tuwien.ac.at
Structural Biomechanics (E317)                 Tel.:   +43 1 58801 31716
Vienna University of Technology / Austria      Fax:    +43 1 58801 31799
A-1040 Wien, Gusshausstrasse 27-29     http://www.ilsb.tuwien.ac.at/~gs/

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