Re: [Xen-users] Mounting domU filesystem on Dom0. (xm mount)

[Álvaro López García <alvaro.garcia@xxxxxxxxxx>]

Ligesh wrote:
>  I have raised this thing many times in myriad different ways, and to me, Xen 
> still seem to lack the ability to access the domUs in a proper manner so as to 
> allow mass management of the domUs, and one of the important things here is 
> backup. If you have to manage 1000 domUs across 50-60 machines, then it would 
> be essential to be able to take backup of the entire system. This actually can 
> be achieved even on normal Xen system, by running an nfs daemon and exporting 
> the '/' to the dom0, which can then be mounted and backedup, like any live 
> system.
>
>  Now, my question is: is there some chance that this feature can be built into 
> the domU kernel itself.
>
>  The command should be something like this:
>
>  xm mount <domuid> /mnt/domU
>
>  What's the opinion of the people here in the list about a mount command? This 
> will solve quite a lot of problems that we are facing now vis-a-vis xen, and I 
> think even UML has some mechnism whereby you can mount certain directories in 
> the domU to the dom0.
>   
What should this command do? Just mount the filesystem on the dom0? I 
don't really get what you mean...
If you want to backup the system have you tried evms[1] and its 
snapshotting?
[1] http://evms.sourceforge.net/

--
Álvaro López

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