From: Paul Durrant <Paul.Durrant@citrix.com>
To: Roger Pau Monne <roger.pau@citrix.com>, Mike Reardon <mule@inso.org>
Cc: "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
Jan Beulich <JBeulich@suse.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: [BUG] blkback reporting incorrect number of sectors, unable to boot
Date: Thu, 9 Nov 2017 09:37:54 +0000 [thread overview]
Message-ID: <d7905428ef9743a088f0ee8c3a48b975@AMSPEX02CL03.citrite.net> (raw)
In-Reply-To: <20171109093003.cgzdououiqbm6qcr@dhcp-3-128.uk.xensource.com>
> -----Original Message-----
> From: Xen-devel [mailto:xen-devel-bounces@lists.xen.org] On Behalf Of
> Roger Pau Monné
> Sent: 09 November 2017 09:30
> To: Mike Reardon <mule@inso.org>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>; Jan Beulich
> <JBeulich@suse.com>; xen-devel@lists.xen.org
> Subject: Re: [Xen-devel] [BUG] blkback reporting incorrect number of
> sectors, unable to boot
>
> Please try to avoid top-posting.
>
> On Wed, Nov 08, 2017 at 08:27:17PM -0700, Mike Reardon wrote:
> > So am I correct in reading this that for at least the foreseeable future
> > storage using 4k sector sizes is not gonna happen? I'm just trying to
> > figure out if I need to get some different hardware.
>
> Have you tried to use qdisk instead of blkback for the storage
> backend?
>
> You will have to change your disk configuration line to add
> backendtype=qdisk.
From my reading qdisk (i.e. xen_disk.c in the QEMU source) hard-codes its block size to 512, but at least it looks like it won't mis-report the number of sectors.
Paul
>
> Roger.
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> https://lists.xen.org/xen-devel
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next prev parent reply other threads:[~2017-11-09 9:37 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-04 4:48 [BUG] blkback reporting incorrect number of sectors, unable to boot Mike Reardon
2017-11-06 12:33 ` Jan Beulich
2017-11-07 10:30 ` Roger Pau Monné
2017-11-07 10:51 ` Paul Durrant
2017-11-07 11:31 ` Jan Beulich
2017-11-07 12:41 ` Roger Pau Monné
2017-11-09 3:27 ` Mike Reardon
2017-11-09 9:30 ` Roger Pau Monné
2017-11-09 9:37 ` Paul Durrant [this message]
2017-11-09 15:15 ` Mike Reardon
2017-11-09 17:03 ` Roger Pau Monné
2017-11-09 17:49 ` Anthony PERARD
2017-11-10 9:40 ` Paul Durrant
2017-11-10 9:52 ` Jan Beulich
2017-11-10 9:58 ` Paul Durrant
2017-11-09 18:25 ` Mike Reardon
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