Re: [Xen-users] Disks shared by default ?

[Sébastien Chaumat <sebastien.chaumat@xxxxxxxx>]

Found it :

 nearly 3 yrs old

  http://bugs.xenproject.org/xen/bug/26

On 10 May 2016 at 20:11, Sarah Newman <srn@xxxxxxxxx> wrote:

On 05/10/2016 03:24 AM, Sébastien Chaumat wrote:
> Hello,
>
>  I just realized that in recent xen version (xl stack)  phy: disks are
> shared by default between domUs:
>
> eg:
>
> disk        = [ '/dev/VGdomU/test-ext4,raw,xvda2,w' ]
>
> can be used in multiple simultaneous domUs without a warning (learned the
> hard way).
>
> When this the change from 'w!' syntax to simple 'w' for shared disk
>  occured ? what was the rationale for it ?
> I could not find this information.
>
> Is there any option to forbid sharing vbd accross domU by default ?

If you find out, please post back.

--

Sébastien CHAUMAT

Open source IT Architect

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