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Date: Mon, 11 Feb 2002 15:57:22 -0500 (EST)
From: Bill Davidsen <davidsen@tmr.com>
To: Francois Romieu <romieu@cogenit.fr>
cc: linux-kernel@vger.kernel.org
Subject: Re: Problem with mke2fs on huge RAID-partition
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On Mon, 11 Feb 2002, Francois Romieu wrote:

> Bill Davidsen <davidsen@tmr.com> :
> [hdparm]
> > NOTE: wrong options will hose your data! WHich is why I don't tell you
> > what to use, just look at -m -c (I use 3), -d and -X34. Again, it may bite
> > you, have backups.
> 
> The kernel did itself the job through the "autotune" option of ide.
> /proc/ide/{hda/hdg}/settings differ only in:

> It can be fast: it does during raid rebuild.
> May be the machine simply dislikes me.

What's your stripe size? I have that "this works for me" feeling, although
I'd like to know why the drives didn't autotune just the same way, and
that might tell someone what's up.

-- 
bill davidsen <davidsen@tmr.com>
  CTO, TMR Associates, Inc
Doing interesting things with little computers since 1979.

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