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From: Thomas Huth <thuth@redhat.com>
To: David Gibson <david@gibson.dropbear.id.au>,
	pbonzini@redhat.com, benh@kernel.crashing.org
Cc: lvivier@redhat.com, qemu-ppc@nongnu.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] spapr: Reduce advertised max LUNs for spapr_vscsi
Date: Wed, 9 Sep 2015 08:25:34 +0200	[thread overview]
Message-ID: <55EFD0DE.1050001@redhat.com> (raw)
In-Reply-To: <1441761736-32030-1-git-send-email-david@gibson.dropbear.id.au>

On 09/09/15 03:22, David Gibson wrote:
> The implementation of the PAPR paravirtual SCSI adapter currently
> allows up to 32 LUNs (max_lun == 31).  However the adapter isn't really
> designed to support lots of devices - the PowerVM implementation only
> ever puts one disk per vSCSI controller.

Do you know how many LUNs are advertised by PowerVM?

> More specifically, the Linux guest side vscsi driver (the only one we
> really care about) is hardcoded to allow a maximum of 8 LUNs.

So what about changing the vscsi driver in Linux instead to support more
LUNs?

 Thomas

  parent reply	other threads:[~2015-09-09  6:25 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-09  1:22 [Qemu-devel] [PATCH] spapr: Reduce advertised max LUNs for spapr_vscsi David Gibson
2015-09-09  3:39 ` [Qemu-devel] [PATCHEW] Series failed testing Patchew Jenkins
2015-09-09  3:57   ` Fam Zheng
2015-09-09  6:25 ` Thomas Huth [this message]
2015-09-09  7:19   ` [Qemu-devel] [PATCH] spapr: Reduce advertised max LUNs for spapr_vscsi David Gibson
2015-09-09  7:29     ` Thomas Huth
2015-09-09 12:09       ` Paolo Bonzini
2015-09-10  1:24       ` David Gibson
2015-09-10  6:12         ` Thomas Huth
2015-09-10  6:48           ` David Gibson
2015-09-10 10:31             ` Laurent Vivier

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