On 09/07/2015 11:53 PM, Wen Congyang wrote:
> On 07/21/2015 01:45 AM, Max Reitz wrote:
>> And a helper function for that, which directly takes a pointer to the
>> BDS to be inserted instead of its node-name (which will be used for
>> implementing 'change' using blockdev-insert-medium).
> 
> Is it OK to insert a medium to more than one BB?

A read-only medium - sure :)

A read-write medium - probably a recipe for data corruption.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org