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f67462750b
The default TCP keepalive value is currently 10s, resulting in clients being disconnected after 10 seconds of not replying to a TCP keepalive packet. These keepalive values are reasonable most of the times, but we've seen client disconnects where this timeout has been exceeded, resulting in fencing. The cause for this is unknown at this time, but it is suspected that network intermissions are happening. This change adds a configurable value for this specific client socket timeout. It enforces that its value is above UNRESPONSIVE_PROBES, whose value remains unchanged. The default value of 10000ms (10s) is changed to 60s. This is the value we're assuming is much better suited for customers and has been briefly trialed, showing that it may help to avoid network level interruptions better. Signed-off-by: Auke Kok <auke.kok@versity.com>