[Ocfs2-users] VM node won't talk to host

[Sunil Mushran]

That will be so if KVM is buffering the ios. Which it must be
doing for performance reasons.

Bret Baptist wrote:
> On Friday 29 August 2008 18:38:08 Bret Baptist wrote:
>   
>> On Thursday 28 August 2008 18:59:07 Sunil Mushran wrote:
>>     
>>> If the VM is not seeing the host heartbeat, the issue is not
>>> with heartbeat, but the fact that the VM ios are not hitting
>>> the actual device. Buffered? See if there is some way
>>> to disable buffering in the kvm emulated ide disk.
>>>       
>> I was thinking we were on to something here.  However I tried mounting an
>> OCFS2 file system between two KVM VMs on the host server, accessing the AOE
>> partition through IDE emulation, and everything worked exactly like I would
>> expect.
>>
>> Color me really confused as to why mounting the OCFS2 disk on the host
>> server and a VM running off that server would not work.
>>
>>
>> Bret.
>>
>>     
>
> Two VMs running on separate host servers have the same issue as the host to VM 
> does.  They both think they are the only cluster member mounting the device. 
>
>