Re: [libvirt-users] Oracle RAC in libvirt+KVM environment
On 08/08/2013 03:54 AM, Timon Wang wrote:
Anybody have idea on it?
I tried to set the disk as raw format, and retried the setup process,
but still can't get through.
Caveat: I know nothing in particular about Oracle RAC, but...
Assuming that RAC uses something like SCSI reservations in order to
share the disk, I would guess it doesn't like the disk being on the IDE
bus.
On Fri, Aug 2, 2013 at 1:58 PM, Timon Wang <timonwst(a)gmail.com> wrote:
> We wan't to setup two Oracle instance and make RAC work on them.
> Both VM are setup based on libvirt + KVM, we use a lvm lun which
> formated in qcow2 format and set the shareable properties in the disk
> driver like this:
>
> <disk type='block' device='disk'>
> <driver name='qemu' type='qcow2' cache='none'/>
> <source
dev='/dev/81035c32-d2e4-4aaf-82fa-3e76ae587586/ca18f6a5-7c98-46ea-b562-9424e68a52f3'/>
> <target dev='hda' bus='ide'/>
> <shareable/>
> <address type='drive' controller='0' bus='0'
target='0' unit='0'/>
> </disk>
>
> But when we use it as shared data disk like we use iscsi/FC disk for
> shared data disk, the disk can't be recognized as a share disk, and
> RAC can't be setup in the environment.
>
> Any body can give me some guild on this?
>
> I am wondering shareable in the libvirt config really makes the disk shareable?
>
> How can I setup the RAC environment in this situable?
>
> I found that vmware and vbox can do this according to a blog post, I
> am wondering if kvm has this ability to make a disk really shareable.
>
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