When fast_io_fail_tmo/dev_loss_tmo is specified in multipath.conf, multipath/multipathd fails to set the specified value to appropriate rport.
As a result, I/O may not return to upper layer when a path is down.
- Red Hat Enterprise Linux 6 Snapshot8 (upstream bug)
- device-mapper-multipath-0.4.9-23.el6 and earlier
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