I have a problem with the nbd-client hanging when the network cable is
removed from the server. Here is my setup:
storage1:
exporting raid1a
exporting raid1c
storage2:
exporting raid1b
client machine:
md0 is raid5 with nbd{0,1,2}
The raid builds and runs fine. If I kill the nbd-server on 'storage2' the
raid immediately goes into a 'degraded' state (exactly as I would expect).
However, if I just pull the network connection from 'storage2', md0 just
hangs (even `cat /proc/mdstat` hangs). After several minutes (10, maybe) the
client seems to notice the server is dead (Error: Connect: No route to host)
and the raid is degraded.
What can I do to decrease the time it takes for nbd-client to realize it
can't get to the storage machine anymore?
Thanks in advance,
Steven
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