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Re: Zlatko's I/O slowdown status

To: Zlatko Calusic <zlatko.calusic@iskon.hr>
Subject: Re: Zlatko's I/O slowdown status
From: Andrea Arcangeli <andrea@suse.de>
Date: Fri, 2 Nov 2001 21:57:29 +0100
Cc: Linus Torvalds <torvalds@transmeta.com>,Jens Axboe <axboe@suse.de>,Marcelo Tosatti <marcelo@conectiva.com.br>, linux-mm@kvack.org,lkml <linux-kernel@vger.kernel.org>
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In-Reply-To: <87g07xdj6x.fsf@atlas.iskon.hr>; from zlatko.calusic@iskon.hr on Fri, Nov 02, 2001 at 09:14:14PM +0100
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On Fri, Nov 02, 2001 at 09:14:14PM +0100, Zlatko Calusic wrote:
> It was write caching. Somehow disk was running with write cache turned

Ah, I was going to ask you to try with:

	/sbin/hdparm -d1 -u1 -W1 -c1 /dev/hda

(my settings, of course not safe for journaling fs, safe to use it only
with ext2 and I -W0 back during /etc/init.d/halt) but I assumed you were
using the same hdparm settings in -ac and mainline. Never mind, good
that it's solved now :).

Andrea

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References:
- Zlatko's I/O slowdown status
  - From: Andrea Arcangeli <andrea@suse.de>
- Re: Zlatko's I/O slowdown status
  - From: Zlatko Calusic <zlatko.calusic@iskon.hr>

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