Re: [Xen-users] Sharing file/folder

[Simon Hobson <linux@xxxxxxxxxxxxxxxx>]

lucianobarreto@xxxxxxxxx wrote:

> I need to share some files between VMs. This files will be used to 
> transfer some information (read/write). But I need do it without any 
> network resource (NFS or others). I've tried to do it sharing a 
> partition just for test proposes, but i see that when i create a 
> file on one VM another can't see it and there isnt any concurrence 
> in this approach.
> Anyone can help me??
Do it via networking. Think of each virtual machine guest as though 
it was running on a separate bare metal computer and that's about 
what you get with Xen in terms of inter-system communications.
It might be possible to do it by sharing a virtual disk, but you will 
NEED to run a cluster file system on it with appropriate software on 
each machine that accesses it. Without a cluster filesystem, then you 
are absolutely guaranteed to get terminal filesystem corruption.
This would in effect be very similar to running a cluster FS on a 
network volume.
For networking there are many options depending on your needs. 
Clearly you could set up a share via NFS (or any other file sharing 
service you like), via tools like RCP or SCP, via something like 
rsync (which works very well as a service), or several other options.
--
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

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