From: Christoph Hellwig <hch@infradead.org>
To: Ankit Jain <jankit@suse.de>
Cc: linux-scsi@vger.kernel.org, aacraid@adaptec.com,
Hannes Reinecke <hare@suse.de>
Subject: Re: [PATCH] aacraid: Add module param to export disks as 'fixed' instead of 'removable'
Date: Tue, 17 May 2011 15:35:44 -0400 [thread overview]
Message-ID: <20110517193544.GA27336@infradead.org> (raw)
In-Reply-To: <4DD2CE01.9090403@suse.de>
On Wed, May 18, 2011 at 01:05:29AM +0530, Ankit Jain wrote:
> aacraid: Add 'aac_export_fixed' module param to export disks as
> 'fixed' instead of 'removable'.
>
> Adaptec controllers set the removable flag on devices to
> allow for reconfiguration. The fear is that _not_ setting this
> flag would inhibit the OS from detecting any device reconfiguration.
The flag should not be set at all and just be removed.
> This manifested itself in a bug where Paravirtualized NetWare
> was not able to boot with more than one PHY disk attached to a Xen
> VM. NetWare sees two removable disks (and not CD-ROM), which is
> an unsupported configuration. Details can be found at -
> https://bugzilla.novell.com/show_bug.cgi?id=667226 .
But if you can't get aacraid fixed entirely the next best work around
is to stop Xen from blindly copying flags to the guest disk.
next prev parent reply other threads:[~2011-05-17 19:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-17 19:35 [PATCH] aacraid: Add module param to export disks as 'fixed' instead of 'removable' Ankit Jain
2011-05-17 19:35 ` Christoph Hellwig [this message]
2011-05-18 20:21 ` Mark Salyzyn
2011-05-20 12:59 ` Ankit Jain
2011-05-20 13:31 ` Mark Salyzyn
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