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Re: [Nbd] [PATCH] nbd: handle single path failures gracefully

Currently if we have multiple connections and one of them goes down we will tear
down the whole device.  However there's no reason we need to do this as we
could have other connections that are working fine.  Deal with this by keeping
track of the state of the different connections, and if we lose one we mark it
as dead and send all IO destined for that socket to one of the other healthy
sockets.  Any outstanding requests that were on the dead socket will timeout and
be re-submitted properly.

Hey Josef,

are you trying to address link failures?

Any reason not to leave DM for this kind of work? Note that the rest
of the block drivers implement periodic reconnects and let DM handle

It took a long time remove all the driver specific multipathing in the

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