From: Andy <genanr@emsphone.com>
To: device-mapper development <dm-devel@redhat.com>
Subject: Re: Device Mapper MultiPath
Date: Fri, 3 Apr 2009 10:13:57 -0500 [thread overview]
Message-ID: <20090403151357.GA8916@thumper2> (raw)
In-Reply-To: <20090403142323.GA26508@mars.virtualiron.com>
On Fri, Apr 03, 2009 at 10:23:23AM -0400, Konrad Rzeszutek wrote:
> On Thu, Apr 02, 2009 at 11:58:03PM +0200, christophe.varoqui@free.fr wrote:
> > I can reproduce Andy's multipathd behaviour with scsi_debug (symmetrix arrays too)... only with the upstream directio checker. My guess is that the async code in there misbehaves. Needs review.
>
> I saw this behavior as well on RHEL5U3 with the upstream multipath.
> My fix was to replace all of the libaio calls with syscalls, as I attributed
> the issue to libaio != kernel libaio, and left it at that.
>
> Andy, are you using a recent version of libaio and kernel? Like
> Fedora Core 10?
> >
My test system is debian. It has libio 0.3.107-3 installed, and I am using
Linus's .git kernel from a few days ago.
Andy
next prev parent reply other threads:[~2009-04-03 15:13 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-01 0:07 Device Mapper MultiPath Rodrigo Nascimento
2009-04-01 0:25 ` Konrad Rzeszutek
2009-04-01 0:59 ` Rodrigo Nascimento
2009-04-01 14:24 ` Hannes Reinecke
2009-04-01 20:08 ` Andy
2009-04-01 20:31 ` Konrad Rzeszutek
2009-04-02 19:09 ` Andy
2009-04-02 19:32 ` Konrad Rzeszutek
2009-04-02 21:50 ` Andy
2009-04-02 21:58 ` christophe.varoqui
2009-04-03 14:23 ` Konrad Rzeszutek
2009-04-03 15:13 ` Andy [this message]
2009-04-02 20:25 ` Benjamin Marzinski
2009-04-02 22:01 ` Andy
2009-04-03 18:12 ` Benjamin Marzinski
2009-04-02 21:26 ` christophe.varoqui
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