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tuning ide-scsi/usb drives



hdparm can make the difference between an IDE harddrive and
something connected to the IDE bus which is about as fast as if I'd
type the bits by hand. I am down with that, and my IDE drives are
at paramount speeds.

I also have an IDE drive in a special bracket that connects via the
USB bus and usb-storage makes it available through ide-scsi as sdx.
Performance is horrid!

  piper:/transfer> sudo hdparm -t /dev/sda

  /dev/sda:
   Timing buffered disk reads:  64 MB in 72.58 seconds =902.95 kB/sec

But I can't fix that:

  piper:/transfer> sudo hdparm -d1 /dev/sda

  /dev/sda:
   operation not supported on SCSI disks

Is there a better way to do this?

Thanks,

-- 
Please do not CC me when replying to lists; I read them!
 
 .''`.     martin f. krafft <madduck@debian.org>
: :'  :    proud Debian developer, admin, and user
`. `'`
  `-  Debian - when you have better things to do than fixing a system
 
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