linux-kernel - Re: megaraid.c, all kernel versions, problem with multi-luns

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Message-ID: <ec36785a0705301619x470f4ecel5f1c191afa429c78@mail.gmail.com>
Date:	Wed, 30 May 2007 20:19:43 -0300
From:	"Reinaldo Carvalho" <reinaldow@...il.com>
To:	"Jesper Juhl" <jesper.juhl@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: megaraid.c, all kernel versions, problem with multi-luns

Yes CONFIG_SCSI_MULTI_LUN as build-in.

-- 
Reinaldo Carvalho


2007/5/30, Jesper Juhl <jesper.juhl@...il.com>:
> On 31/05/07, Reinaldo Carvalho <reinaldow@...il.com> wrote:
> > Hi,
> >
> > I have a Dell PowerEdge Expandable RAID controller, with a hardware
> > Raid-5 at Channel 01 running perfectly, and a nCipher Crypter at
> > Channel 02.
> >
> > This controller doesn't correctly detect devices (e.g. nCipher
> > Crypter) with multiples LUNs. Only one LUN is detected.
> >
> > At another controller (e.g. Adaptec 79xx) two LUNs were detect. I
> > compiled 2.6.8, 2.6.18 and 2.6.21.3 to test megaraid driver and all
> > failed detecting two LUNs.
> >
>
> Did you build your kernel with CONFIG_SCSI_MULTI_LUN enabled?  This
> option will force the SCSI driver to probe for multiple LUN's.
> Without this option only one LUN may be detected, and since that's the
> common case (devices only having one LUN) people often forget about
> this option :)
>
> --
> Jesper Juhl <jesper.juhl@...il.com>
> Don't top-post  http://www.catb.org/~esr/jargon/html/T/top-post.html
> Plain text mails only, please      http://www.expita.com/nomime.html
>
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