On Thu, Sep 19, 2019 at 07:18:29AM -0500, Eric Blake wrote: > On 9/19/19 4:50 AM, Richard W.M. Jones wrote: > > On Wed, Sep 18, 2019 at 01:59:01PM +0100, Richard W.M. Jones wrote: > >> We have a running problem with the nbdkit VDDK plugin where the VDDK > >> side apparently disconnects or the network connection is interrupted. > >> During a virt-v2v conversion this causes the entire operation to fail, > >> and since v2v conversions take many hours that's not a happy outcome. > >> > >> (Aside: I should say that we see many cases where it's claimed that > >> the connection was dropped, but often when we examine them in detail > >> the cause is something else. But it seems like this disconnection > >> thing does happen sometimes.) > > > > It turns out in the customer case that led us to talk about this, a > > Checkpoint firewall was forcing the VDDK control connection to be > > closed after an idle period. > > Would TCP keepalive help here?
Seems as if VDDK already sets this, but perhaps only on the data connection (as usual the documentation is atrocious). Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into KVM guests. http://libguestfs.org/virt-v2v _______________________________________________ Libguestfs mailing list [email protected] https://www.redhat.com/mailman/listinfo/libguestfs
