From: Paolo Bonzini <pbonzini@redhat.com>
To: Timon Wang <timonwst@gmail.com>
Cc: Stefan Hajnoczi <stefanha@gmail.com>,
Don Koch <dkoch@verizon.com>,
libvirt-users <libvirt-users@redhat.com>,
kvm@vger.kernel.org
Subject: Re: Oracle RAC in libvirt+KVM environment
Date: Tue, 20 Aug 2013 12:16:10 +0200 [thread overview]
Message-ID: <521341EA.4010404@redhat.com> (raw)
In-Reply-To: <CAH+8FszeD1Ss4FhugM0=UzktxukHc+k_ju5i34DZG=KJa9F5PA@mail.gmail.com>
Il 20/08/2013 11:59, Timon Wang ha scritto:
> On Tue, Aug 20, 2013 at 4:33 PM, Paolo Bonzini <pbonzini@redhat.com> wrote:
>> Il 20/08/2013 08:00, Timon Wang ha scritto:
>>> <disk type='file' device='disk'>
>>> <driver name='qemu' type='raw' cache='none'/>
>>> <source file='/home/images/win2008_2_sys'/>
>>> <target dev='hda' bus='ide'/>
>>> <boot order='3'/>
>>> <address type='drive' controller='0' bus='0' target='0' unit='0'/>
>>> </disk>
>>> <disk type='file' device='cdrom'>
>>> <driver name='qemu' type='raw'/>
>>> <source file='/home/isos/windows2008_64r2.iso'/>
>>> <target dev='sdc' bus='ide'/>
>>> <readonly/>
>>> <boot order='1'/>
>>> <address type='drive' controller='0' bus='1' target='0' unit='0'/>
>>> </disk>
>>> <disk type='block' device='disk'>
>>
>> I'm not sure this will be enough, but if you want passthrough to the
>> host device you should use device='lun' here. However, you still would
>> not be able to issue SCSI reservations unless you run QEMU with the
>> CAP_SYS_RAWIO capability (using "<disk ... rawio='yes'>").
>>
>
> After change the libvirt xml like this:
> <disk type='block' device='lun' rawio='yes'>
> <driver name='qemu' type='raw' cache='none'/>
> <source dev='/dev/VM-IMAGES-BACKUP-DO-NOT-REMOVE/q_disk'/>
> <target dev='sda' bus='scsi'/>
> <shareable/>
> <address type='drive' controller='0' bus='0' target='0' unit='0'/>
> </disk>
> I got these errors:
> char device redirected to /dev/pts/1 (label charserial0)
> qemu-system-x86_64: -device
> scsi-block,bus=scsi0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0-0-0-0,id=scsi0-0-0-0:
> scsi-block: INQUIRY failed
> qemu-system-x86_64: -device
> scsi-block,bus=scsi0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0-0-0-0,id=scsi0-0-0-0:
> Device 'scsi-block' could not be initialized
Can you do
# ls -l /dev/VM-IMAGES-BACKUP-DO-NOT-REMOVE/q_disk
# sg_inq /dev/VM-IMAGES-BACKUP-DO-NOT-REMOVE/q_disk
?
Paolo
next prev parent reply other threads:[~2013-08-20 10:16 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-02 5:58 Oracle RAC in libvirt+KVM environment Timon Wang
2013-08-08 7:54 ` Timon Wang
[not found] ` <CAH+8Fsxhgkd2ScivXcPc7WzXyie4AHUsuNvLEUgo2rvTBtzdNA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-08-08 14:04 ` Don Koch
2013-08-10 3:14 ` Timon Wang
2013-08-12 9:53 ` Stefan Hajnoczi
[not found] ` <20130812095304.GE29880-lxVrvc10SDTaErKTczak/Dh473NlOPsLVpNB7YpNyf8@public.gmane.org>
2013-08-12 10:17 ` Timon Wang
2013-08-13 9:18 ` Stefan Hajnoczi
2013-08-14 6:33 ` Timon Wang
2013-08-14 8:40 ` Timon Wang
2013-08-14 14:02 ` Stefan Hajnoczi
2013-08-15 10:01 ` Timon Wang
2013-08-19 11:10 ` Paolo Bonzini
2013-08-20 6:00 ` Timon Wang
2013-08-20 6:05 ` Timon Wang
2013-08-20 8:33 ` Paolo Bonzini
2013-08-20 9:59 ` Timon Wang
2013-08-20 10:16 ` Paolo Bonzini [this message]
2013-08-20 10:42 ` Timon Wang
2013-08-20 10:49 ` Paolo Bonzini
2013-08-20 11:43 ` Timon Wang
2013-08-20 11:57 ` Timon Wang
2013-08-20 12:09 ` Paolo Bonzini
2013-08-21 2:11 ` Timon Wang
2013-08-21 9:09 ` Paolo Bonzini
2013-08-21 9:40 ` Nicholas A. Bellinger
2013-08-22 7:46 ` Timon Wang
2013-08-22 9:02 ` Paolo Bonzini
2013-08-23 2:44 ` Timon Wang
2013-08-27 10:29 ` Masaki Kimura
2013-08-27 11:07 ` Paolo Bonzini
2013-08-27 12:09 ` Timon Wang
2013-08-12 9:49 ` Stefan Hajnoczi
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