On 12/7/20 3:56 PM, 'heinrich...@googlemail.com' 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.
Actually I have not done it, but it feels like you should have an NFS
server on BIG with a network only accessible from inside qubes, and
specifically from SMALL. Still it will have to transfer the file
contents, but you benefit from any application that only reads parts of
the files.
When not wanting to copy I guess you'll have to mount a snapshot of
BIG's data as the LV should be mounted only once (AFAIK).
Regards,
Ulrich
(I'm on Qubes OS v4 latest)
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