Re: [Xen-API] Configuration needed to share a VDI

[Anil Madhavapeddy <anil@xxxxxxxxxx>]

On 18 May 2012, at 14:58, Mike McClurg <mike.mcclurg@xxxxxxxxxx> wrote:

> On 18/05/12 11:49, Carlos Eduardo Tavares Terra wrote:
>> Do I need to do any special configuration in XCP 1.1 or in the SRs to be
>> capable of sharing a VDI between two virtual machines?
>> Is it possible to do in XCP?
> 
> You could possibly do this if only one VM attaches the disk RW, but you 
> should definitely not do this if you want more than one of the VMs to attach 
> the disk RW. For that, you should use something like NFS instead.

I think Carlos is using a concurrent file system or database, and so sharing 
the RW VBD is fine.

Isn't this just a case of marking the VBDs as shareable to disable the xapi 
safety check?

-anil



> 
> To share a VDI, create a new vbd to connect the second VM to the VDI. Do 'xe 
> help vbd-create' for docs.
> 
> Mike
> 
> 
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