Re: U2W SCSI problems

Turbo Fredriksson (turbo@tripnet.se)
02 Dec 1999 15:11:36 +0100


Quoting Turbo Fredriksson <turbo@tripnet.se>:

> Currently I'm loading the disks with two (similar) shell scripts like this:
>
> ----- s n i p -----
> echo "Stressing SCSI channels "
> while `true`; do
> TEMPFILE=`tempfile -d . -p test.`
> dd if=/dev/urandom of=$TEMPFILE count=10000 2>&1 > /dev/null
> rm -f $TEMPFILE
> echo
> done
> ----- s n i p -----

Should be a 'sync' after the dd command line...

> The directory that dd is writing to, is two. One on sda5 and one on sda1.

And now a script on sdc1 to...

I have a feeling that this isn't stressing the disks properly, since the
drive light isn't glowing, but only flashes every now and then...

A simple read (ie 'find -type f') isn't good enough, I need to WRITE
to the disk to make the problem reacure, which it doesn't now...

I still get that problem with the aborting command just after it found
the partitions, but after that the driver/kernel is silent...

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