Re: [Qemu-devel] [question] updating the base image for all clones which have been running for months

[Zhang Haoyu]

>>>> Hi, all
>>>>
>>>> I used base image A to clone so many vm, 
>>>> after running for months, each vm has its own private applications and 
>>>> data,
>>>> which maybe different from each other.
>>>> Now, I want to install some applications for all of the clones,
>>>> what should I do?
>
>How would you do it for bare metal? Do the same for your guests.
>
For bare-metal, I use manager to push the applications to each host-agent
which is running in each host, the host-agent is responsible to install the
applications.

Thanks,
Zhang Haoyu

>>>
>>> Install the applications on each clone separately, or use some other
>>> method to make it available (like installing on a shared network
>>> resource).
>>>
>> Could you detail "installing on a shared network resource"?
>
>Set up a network file system, like NFS or gluster, install your software
>on the shared file system, and then make each guest mount the shared
>file system in order to use the software.  The same as you would on bare
>metal.