From: Eric Dumazet <eric.dumazet@gmail.com>
To: Jon Mason <mason@myri.com>
Cc: scameron@beardog.cce.hp.com,
Jesse Barnes <jbarnes@virtuousgeek.org>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
stephenmcameron@gmail.com, thenzl@redhat.com,
akpm@linux-foundation.org, mikem@beardog.cce.hp.com,
linux-pci@vger.kernel.org, Roland Dreier <roland@purestorage.com>,
James Bottomley <James.Bottomley@hansenpartnership.com>
Subject: Re: [BUG] scsi: hpsa: how to destroy your files
Date: Fri, 02 Sep 2011 11:39:48 +0200 [thread overview]
Message-ID: <1314956388.2573.7.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> (raw)
In-Reply-To: <CAMaF-rOG9gNf3g8rOXiKMq3TXrfJf5dFwN6q6uQqvMruUm4VQg@mail.gmail.com>
Le jeudi 01 septembre 2011 à 16:50 -0500, Jon Mason a écrit :
> I believe modifying the MRRS values is what is causing the issues.
> Can you try the attached patch and verify that it also resolves the
> issue?
I tested this patch and can confirm this solves the corruption problem.
But my disk is _much_ slower than before
# hdparm -t /dev/sda1
Before :
Timing buffered disk reads: 254 MB in 3.02 seconds = 84.16 MB/sec
After :
Timing buffered disk reads: 120 MB in 3.04 seconds = 39.42 MB/sec
next prev parent reply other threads:[~2011-09-02 9:39 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-21 18:16 [PATCH] hpsa: do not attempt to read from a write-only register Stephen M. Cameron
2011-07-21 18:17 ` Stephen Cameron
2011-07-22 22:39 ` Andrew Morton
2011-07-22 22:39 ` Andrew Morton
2011-09-01 15:24 ` [BUG] scsi: hpsa: how to destroy your files Eric Dumazet
2011-09-01 16:07 ` scameron
2011-09-01 16:18 ` Eric Dumazet
2011-09-01 16:18 ` Eric Dumazet
2011-09-01 17:40 ` Eric Dumazet
2011-09-01 17:40 ` Eric Dumazet
2011-09-01 17:58 ` Roland Dreier
2011-09-01 18:50 ` James Bottomley
2011-09-01 18:58 ` Jesse Barnes
2011-09-01 19:59 ` Jesse Barnes
[not found] ` <20110901200349.GO9189@beardog.cce.hp.com>
2011-09-01 20:09 ` Jesse Barnes
2011-09-01 20:09 ` Jesse Barnes
2011-09-01 20:44 ` scameron
2011-09-01 21:50 ` Jon Mason
2011-09-01 22:01 ` Eric Dumazet
2011-09-01 22:16 ` scameron
2011-09-02 5:32 ` Eric Dumazet
2011-09-02 5:32 ` Eric Dumazet
2011-09-02 9:39 ` Eric Dumazet [this message]
2011-09-02 10:08 ` Eric Dumazet
2011-09-02 15:03 ` scameron
2011-09-02 15:03 ` scameron
2011-09-01 19:36 ` Eric Dumazet
2011-09-01 18:01 ` scameron
2011-09-01 18:01 ` scameron
2011-09-01 19:03 ` scameron
2011-09-01 19:03 ` scameron
2011-09-02 23:13 ` Andrew Morton
2011-09-02 5:18 ` Mike Galbraith
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1314956388.2573.7.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC \
--to=eric.dumazet@gmail.com \
--cc=James.Bottomley@hansenpartnership.com \
--cc=akpm@linux-foundation.org \
--cc=jbarnes@virtuousgeek.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=mason@myri.com \
--cc=mikem@beardog.cce.hp.com \
--cc=roland@purestorage.com \
--cc=scameron@beardog.cce.hp.com \
--cc=stephenmcameron@gmail.com \
--cc=thenzl@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.