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Subject: Re: [virtio-dev] [PATCH v3 1/2] content: add virtio file system device
On Fri, Feb 22, 2019 at 02:31:02PM +0000, Dr. David Alan Gilbert wrote: > * Stefan Hajnoczi (stefanha@redhat.com) wrote: > > > +It is possible to maintain the FUSE session across live migration either by > > +transferring the state or by redirecting requests from the new host to the old > > +host where the state resides. The details of how to achieve this are > > +implementation-dependent and are not visible at the device interface level. > > I wonder how 'transferring the state' will work; it is tricky to > specify because that state could be filesystem dependent so wouldn't > really fit at this level of spec. Yes, the state is file system daemon-specific and beyond the scope of the VIRTIO device spec. Stefan
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