So far I have resorted to sharing host folders with the KVM guests via Samba. Now, reading up a bit on it, it appears that "VirtFS (Plan 9 folder sharing over Virtio - I/O virtualization framework)" offers an easier way.

However, I was unable to find on above linked page whether this method allows concurrent access to the same shared folder for multiple KVM guests.


Main goal of 9p filesystem is to provide easy and efficient way to share filesystems between host/guest and guests (compared to nfs and shared block devices).

By default no cache used in linux implementation of 9p filesystem (read kernel documentation), so it can be used to share same filesystem between guests.

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