From: "Eric A" <erpo41@gmail.com>
To: "Eric Sandeen" <sandeen@redhat.com>
Cc: "ext4 development" <linux-ext4@vger.kernel.org>
Subject: Re: barriers off by default?
Date: Mon, 12 May 2008 11:30:03 -0600 [thread overview]
Message-ID: <72c5d9a0805121030y709de9cehc01df8aeb5b1b8d3@mail.gmail.com> (raw)
In-Reply-To: <482868A5.1000102@redhat.com>
On Mon, May 12, 2008 at 9:56 AM, Eric Sandeen <sandeen@redhat.com> wrote:
> As I look at my shiny new 500G disks with 32MB of cache, I find myself
> wondering why the default for ext3 and ext4 is to have barriers disabled.
>
> This is a pretty dangerous default w.r.t. filesystem integrity on power
> loss, no?
>From reading the documentation, I was under the impression that write
barriers don't always do what they're supposed to do.
Cheers,
Eric
next prev parent reply other threads:[~2008-05-12 17:30 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-12 15:56 barriers off by default? Eric Sandeen
2008-05-12 17:30 ` Eric A [this message]
2008-05-12 17:53 ` Eric Sandeen
[not found] ` <72c5d9a0805121150j58482bc6qd57a87089ce4414e@mail.gmail.com>
2008-05-12 18:51 ` Fwd: " Eric A
2008-05-12 19:00 ` Eric Sandeen
2008-05-12 19:11 ` Eric A
2008-05-12 19:15 ` Eric Sandeen
2008-05-15 14:43 ` Jan Kara
2008-05-15 16:00 ` Eric Sandeen
2008-05-15 16:21 ` Andreas Dilger
2008-05-15 18:34 ` Eric Sandeen
2008-05-15 20:44 ` Eric Sandeen
2008-05-16 0:21 ` Jan Kara
2008-05-16 0:58 ` Eric Sandeen
2008-05-17 17:38 ` Theodore Tso
2008-05-17 19:02 ` Eric Sandeen
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