Matushita LF-100 performace

Matushita LF-100 performace

Post by Toshinao Ishi » Wed, 19 Jul 2000 04:00:00



Hi.

I have DVD-RAM/PD drive (LF-100) and its performance, especially
writing performance, become very bad in linux-2.2.16.

Up to 2.2.15, scsi.c was responsible for the DVD-RAM driving. I found
this is changed in 2.2.16. In 2.2.15, I could make partitions to the
DVD-RAM,
the read/write performance was not very bad. At lease I could do other
jobs while copying to DVD-RAM. But in 2.2.16, fdisk says that I have to
set heads sectors and cylinders manually, which I do not know, and
when writing a 600MB class file to PD, the foreground job can be quite
a lot disturbed by the copying.

Please let me know how can I help to solve this problem.         Thanks.

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1. Can't boot an HP NetServer 4/100 LF



you need to use the 1.2.13 kernel, at the least.  check out:
        ftp://ftp.pcnet.com:users/eischen/Linux     (patch files for 1.2.13+)
        ftp://ftp.ims.com:pub/Linux/aic7xxx         (patch files for 1.3.21+)

also look into the aic7770 mailing list.  there should be some information
at these sites about it.  your netserver has an embedded adaptec aic7770 scsi
controller.

carl

carl g. riches

college of forest resources     voice:    206-543-2764
box 352100                      fax:      206-543-3254
seattle, wa  98195-2100  usa

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