Re: [Qemu-devel] [PATCH] spapr: Reduce advertised max LUNs for spapr_vscsi

2015-09-10 Thread Laurent Vivier
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 10/09/2015 08:48, David Gibson wrote: > On Thu, Sep 10, 2015 at 08:12:47AM +0200, Thomas Huth wrote: >> On 10/09/15 03:24, David Gibson wrote: >>> On Wed, Sep 09, 2015 at 09:29:18AM +0200, Thomas Huth wrote: On 09/09/15 09:19, David Gibson wr

Re: [Qemu-devel] [PATCH] spapr: Reduce advertised max LUNs for spapr_vscsi

2015-09-10 Thread David Gibson
On Thu, Sep 10, 2015 at 08:12:47AM +0200, Thomas Huth wrote: > On 10/09/15 03:24, David Gibson wrote: > > On Wed, Sep 09, 2015 at 09:29:18AM +0200, Thomas Huth wrote: > >> On 09/09/15 09:19, David Gibson wrote: > >>> On Wed, Sep 09, 2015 at 08:25:34AM +0200, Thomas Huth wrote: > On 09/09/15 03

Re: [Qemu-devel] [PATCH] spapr: Reduce advertised max LUNs for spapr_vscsi

2015-09-09 Thread Thomas Huth
On 10/09/15 03:24, David Gibson wrote: > On Wed, Sep 09, 2015 at 09:29:18AM +0200, Thomas Huth wrote: >> On 09/09/15 09:19, David Gibson wrote: >>> On Wed, Sep 09, 2015 at 08:25:34AM +0200, Thomas Huth wrote: On 09/09/15 03:22, David Gibson wrote: > The implementation of the PAPR paravirtu

Re: [Qemu-devel] [PATCH] spapr: Reduce advertised max LUNs for spapr_vscsi

2015-09-09 Thread David Gibson
On Wed, Sep 09, 2015 at 09:29:18AM +0200, Thomas Huth wrote: > On 09/09/15 09:19, David Gibson wrote: > > On Wed, Sep 09, 2015 at 08:25:34AM +0200, Thomas Huth wrote: > >> On 09/09/15 03:22, David Gibson wrote: > >>> The implementation of the PAPR paravirtual SCSI adapter currently > >>> allows up

Re: [Qemu-devel] [PATCH] spapr: Reduce advertised max LUNs for spapr_vscsi

2015-09-09 Thread Paolo Bonzini
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 09/09/2015 09:29, Thomas Huth wrote: >> Doesn't help for existing guests. Basically what I'm trying to >> achieve is for qemu to reject up-front configurations that are >> unlikely to actually work in the guest. > > I just wonder whether it

Re: [Qemu-devel] [PATCH] spapr: Reduce advertised max LUNs for spapr_vscsi

2015-09-09 Thread Thomas Huth
On 09/09/15 09:19, David Gibson wrote: > On Wed, Sep 09, 2015 at 08:25:34AM +0200, Thomas Huth wrote: >> 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 >>> desig

Re: [Qemu-devel] [PATCH] spapr: Reduce advertised max LUNs for spapr_vscsi

2015-09-09 Thread David Gibson
On Wed, Sep 09, 2015 at 08:25:34AM +0200, Thomas Huth wrote: > 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 Power

Re: [Qemu-devel] [PATCH] spapr: Reduce advertised max LUNs for spapr_vscsi

2015-09-08 Thread Thomas Huth
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

[Qemu-devel] [PATCH] spapr: Reduce advertised max LUNs for spapr_vscsi

2015-09-08 Thread David Gibson
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. More specifically, the Linux guest side vscsi dri