From: Andi Kleen <andi@firstfloor.org>
To: Ric Wheeler <ricwheeler@gmail.com>
Cc: Theodore Tso <tytso@mit.edu>,
Chris Mason <chris.mason@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
Eric Sandeen <sandeen@redhat.com>,
linux-ext4@vger.kernel.org, linux-ker@firstfloor.org
Subject: Re: [PATCH 0/4] (RESEND) ext3[34] barrier changes
Date: Sun, 18 May 2008 21:59:40 +0200 [thread overview]
Message-ID: <87abincrir.fsf@basil.nowhere.org> (raw)
In-Reply-To: <4830420D.4080608__28835.4277647615$1211137279$gmane$org@gmail.com> (Ric Wheeler's message of "Sun, 18 May 2008 10:49:49 -0400")
Ric Wheeler <ricwheeler@gmail.com> writes:
>
> The hard thing is to figure out how to test this kind of scenario
> without dropping power. To expose the failure mode, it might be
Why not drop power? (see test scenario in previous mail)
There are lots of cheap ways available to do that.
I personally keep my test machines on cheap USB power switches and
can switch them any time.
It will probably lower the MTBF of your test boxes somewhat
though, but that's the price for good testing.
> Just a personal note, my last day at EMC was this past Friday. Monday,
> I start working for Red Hat (focused on file systems) so I will have
> to figure out to get this kind of test going without all of my big EMC
> toys ;-)
Congratulations on the new job. I don't think you need any big toys though.
-Andi
next prev parent reply other threads:[~2008-05-18 20:02 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-16 19:02 [PATCH 0/4] (RESEND) ext3[34] barrier changes Eric Sandeen
2008-05-16 19:05 ` [PATCH 1/4] ext3: enable barriers by default Eric Sandeen
2008-05-19 8:58 ` Pavel Machek
2008-05-16 19:07 ` [PATCH 2/4] ext3: call blkdev_issue_flush on fsync Eric Sandeen
2008-05-16 22:15 ` Jamie Lokier
2008-05-16 19:08 ` [PATCH 3/4] ext4: enable barriers by default Eric Sandeen
2008-05-16 19:09 ` [PATCH 4/4] ext4: call blkdev_issue_flush on fsync Eric Sandeen
2008-05-20 2:34 ` Theodore Tso
2008-05-20 15:43 ` Jamie Lokier
2008-05-20 15:43 ` Jamie Lokier
2008-05-20 15:52 ` Eric Sandeen
2008-05-20 15:52 ` Eric Sandeen
2008-05-20 15:52 ` Eric Sandeen
2008-05-20 20:14 ` Jens Axboe
2008-05-20 19:54 ` Jens Axboe
2008-05-20 19:54 ` Jens Axboe
2008-05-20 22:02 ` Jamie Lokier
2008-05-21 7:30 ` Jens Axboe
2008-05-16 20:05 ` [PATCH 0/4] (RESEND) ext3[34] barrier changes Andrew Morton
2008-05-16 20:53 ` Eric Sandeen
2008-05-16 20:58 ` Andrew Morton
2008-05-16 21:45 ` Jamie Lokier
2008-05-16 22:03 ` Eric Sandeen
2008-05-16 22:09 ` Jamie Lokier
2008-05-16 22:03 ` Jamie Lokier
2008-05-16 22:21 ` Eric Sandeen
2008-05-16 22:53 ` Jamie Lokier
2008-05-17 0:20 ` Theodore Tso
2008-05-17 0:35 ` Andrew Morton
2008-05-17 13:43 ` Theodore Tso
2008-05-17 17:59 ` Andreas Dilger
2008-05-17 17:59 ` Andreas Dilger
2008-05-17 17:59 ` Andreas Dilger
2008-05-17 20:44 ` Theodore Tso
2008-05-20 14:45 ` Jamie Lokier
2008-05-20 14:45 ` Jamie Lokier
2008-05-18 0:48 ` Chris Mason
2008-05-18 1:36 ` Theodore Tso
2008-05-18 14:49 ` Ric Wheeler
2008-05-18 14:49 ` Ric Wheeler
2008-05-18 14:49 ` Ric Wheeler
2008-05-20 14:42 ` Jamie Lokier
2008-05-20 23:48 ` Jamie Lokier
[not found] ` <4830420D.4080608__28835.4277647615$1211137279$gmane$org@gmail.com>
2008-05-18 19:59 ` Andi Kleen [this message]
2008-05-18 16:07 ` Ric Wheeler
2008-05-20 23:44 ` Jamie Lokier
2008-05-18 20:03 ` Andi Kleen
2008-05-19 0:43 ` Theodore Tso
2008-05-19 2:29 ` Eric Sandeen
2008-05-19 2:29 ` Eric Sandeen
2008-05-19 4:11 ` Andrew Morton
2008-05-19 17:16 ` Chris Mason
2008-05-19 18:39 ` Chris Mason
2008-05-19 22:39 ` Jan Kara
2008-05-20 0:29 ` Chris Mason
2008-05-20 3:29 ` Timothy Shimmin
2008-05-20 12:04 ` Chris Mason
2008-05-20 8:25 ` Jens Axboe
2008-05-20 12:17 ` Chris Mason
2008-05-21 11:22 ` Pavel Machek
2008-05-21 12:32 ` Theodore Tso
2008-05-21 18:03 ` Andrew Morton
2008-05-21 18:15 ` Eric Sandeen
2008-05-21 19:43 ` Jamie Lokier
2008-05-21 18:29 ` Theodore Tso
2008-05-21 18:49 ` Andrew Morton
2008-05-21 19:42 ` Jamie Lokier
2008-05-21 19:36 ` Jamie Lokier
2008-05-21 19:36 ` Jamie Lokier
2008-05-21 19:36 ` Jamie Lokier
2008-05-21 19:40 ` Chris Mason
2008-05-21 19:54 ` Jamie Lokier
2008-05-20 14:58 ` Jamie Lokier
2008-05-21 22:30 ` Daniel Phillips
2008-05-20 23:35 ` Jamie Lokier
2008-05-19 2:29 ` Eric Sandeen
2008-05-19 0:28 ` Theodore Tso
2008-05-20 15:13 ` Jamie Lokier
2008-05-20 15:13 ` Jamie Lokier
2008-05-21 20:25 ` Greg Smith
2008-05-20 15:13 ` Jamie Lokier
2008-05-16 22:30 ` Jamie Lokier
2008-05-18 19:54 ` Andi Kleen
2008-05-19 13:26 ` Chris Mason
2008-05-19 14:46 ` Theodore Tso
2008-05-20 2:51 ` [PATCH, RFC] ext4: Fix use of write barrier in commit logic Theodore Tso
2008-05-20 2:51 ` Theodore Tso
2008-05-20 2:51 ` Theodore Tso
2008-05-20 15:23 ` Jamie Lokier
2008-05-20 15:23 ` Jamie Lokier
2008-05-20 15:23 ` Jamie Lokier
2008-05-23 18:33 ` [PATCH 0/4] (RESEND) ext3[34] barrier changes Ric Wheeler
2008-05-23 18:33 ` Ric Wheeler
2008-05-23 18:33 ` Ric Wheeler
2008-05-20 15:36 ` Jamie Lokier
2008-05-20 16:02 ` Chris Mason
2008-05-20 16:27 ` Jamie Lokier
2008-05-20 17:08 ` Chris Mason
2008-05-20 22:26 ` Jamie Lokier
2008-05-19 9:04 ` Pavel Machek
2008-05-29 13:36 ` Eric Sandeen
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