[Gllug] Performance Tweaking of SCSI tape drives

Huw Lynes huw-l at moving-picture.co.uk
Wed Jul 24 07:52:04 UTC 2002

On Tuesday 23 July 2002 18:58, you wrote:
> On Tue, 2002-07-23 at 19:28, Huw Lynes wrote:
> > Hi All,
> >
> > I'm currently playing with a Sony DTF-2 drive. I've got it up and
> > running using mt, tar and the standard st driver. At the moment I'm
> > getting about 8Mb/s write speed. I know the drive should easily be
> > capable of twice that.
> Can you tell us the configuration of the server you are using?

Dual Athlon
2Gb RAM (that bytes so maybe it should be GB?)
Seagate cheetah scsi drives on an Adaptec AIC7899 dual-channel ultra160 
Sony DTF-2 on an Adaptec AIC-7884 single-channel ultra160 high-voltage 
differential card. (all use AIC7xxx driver)
Both scsi HBAs come out of the same 64bit 33MHz PCI bus.

| Huw Lynes               | The Moving Picture Company  |
| System Administrator    | 127 Wardour Street          |
|.........................| London, W1F 0NL             | 

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