sshfs sounds great since this probably allows me to also select the folders 
I want to share with the SMALL AppVM instead of revealing all files.

Thanks for taking the time to look into this and I'm looking forward to the 
push :)

On Monday, December 7, 2020 at 4:30:11 PM UTC+1 unman wrote:

> On Mon, Dec 07, 2020 at 06:56:47AM -0800, '' 
> via qubes-users wrote:
> > >From one AppVM I need to temporarily access a large amount of files 
> from 
> > another AppVM. Can this be done without copying the files around?
> > 
> > *Background: *
> > I have a large amount of files stored in AppVM "BIG". That's hundreds of 
> GB 
> > in a separate pool on a spinning HDD.
> > I also have a small AppVM "SMALL" running a program that needs to access 
> > files from "BIG". This AppVM resides on a small SSD.
> > 
> > In the past I copied files from BIG to SMALL. But this takes time and I 
> > need to sort the files beforehand because there is not enough space on 
> the 
> > SSD. I don't want to do that anymore. It would be okay to allow AppVM 
> > "SMALL" to access files from "BIG"'s private storage directly.
> > 
> > Googling around tells me to mount "private.img", but I'm using LVM so 
> > that's not an option. But how can this be done? Can it be done? (Or is 
> > there even a better "file sharing" approach for this amount of data 
> without 
> > having to revert to a NAS?) 
> > 
> > Any tips are appreciated.
> > 
> > (I'm on Qubes OS v4 latest)
> > 
> Take a look at
> That explains how to mount an lvm image.
> Alternatively you could look at
> where I outline how to rsync data over qrexec.
> I've updated that to include sshfs over qrexec, but don't seem to have
> pushed it up yet. That'll have to wait until the morning.
> But the principle is simple - run sshd on the target
> instead of rsyncd: use a forwarder, and then mount the remote directory
> using sshfs on the client. That removes the need to copy files around,
> and keeps a single archive accessible from other qubes.
> That should give you idea of how to get started - if you need help let
> me know and I'll try to help in the morning.

You received this message because you are subscribed to the Google Groups 
"qubes-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
To view this discussion on the web visit

Reply via email to