> On 15 Feb 2018, at 04:42, Wouter Verhelst <w...@uter.be> wrote: > > > We already set the SO_KEEPALIVE socket option (at least nbd-server does; > don't know about qemu) to make the kernel send out TCP-level keepalive > probes. This happens only after two hours (by default), but it's > something you can configure on your system if you need it to be lower.
+1 for just using SO_KEEPALIVE. I think I even submitted some (untested and thus unmerged) patches for this. -- Alex Bligh
