[kata-dev] 答复: [Announce] virtio-fs released with Kata Containers?support

Sage Weil sage at newdream.net
Tue Dec 18 16:35:08 UTC 2018

On Tue, 18 Dec 2018, Stefan Hajnoczi wrote:
> On Tue, Dec 18, 2018 at 02:19:26AM +0000, zhangwei (CR) wrote:
> > Virtio-fs is in RFC state, it could be OK as long as it doesn't have native gap for supporting live migration,  and I will be glad to see it being listed in some roadmap.
> Migration is always good to have at the QEMU level, so I'm sure we'll
> look into it more deeply.
> It's tricky when sharing local file systems because the
> destination host must have access to the same files in order for
> migration to be possible.  One approach is to carefully copy the files
> during live migration.  The  file system daemon must also migrate its
> state (e.g. open files and handles).  It's non-trivial but can be done
> with enough development effort.

I think the live migration case is only going to make sense when the files 
in question are on a network file system and the same path is available at 
the destination.

(I think it also makes sense that this is something KubeVirt will be more 
interested in than Kata!)


More information about the kata-dev mailing list