On a distribute-replicate setup, dbench errored out as follows.

The servers were on 3.1.0qa4 and the client was on 3.1.0qa3

Dbench command used - dbench -s 10 -t 36000

  10    281853     0.48 MB/sec  execute 24624 sec
  10    281870     0.48 MB/sec  execute 24625 sec
  10    281882     0.48 MB/sec  execute 24626 sec
  10    281885     0.48 MB/sec  execute 24627 sec
  10    281897     0.48 MB/sec  execute 24628 sec
  10    281912     0.48 MB/sec  execute 24629 sec
  10    281922     0.48 MB/sec  execute 24630 sec
  10    281937     0.48 MB/sec  execute 24631 sec
  10    281945     0.48 MB/sec  execute 24632 sec
  10    281959     0.48 MB/sec  execute 24633 sec
  10    281979     0.48 MB/sec  execute 24634 sec
  10    281998     0.48 MB/sec  execute 24635 sec
  10    282008     0.48 MB/sec  execute 24636 sec
  10    282022     0.48 MB/sec  execute 24637 sec
  10    282036     0.48 MB/sec  execute 24638 sec
  10    282060     0.48 MB/sec  execute 24639 sec
  10    282064     0.48 MB/sec  execute 24640 sec
  10    282086     0.48 MB/sec  execute 24641 sec
  10    282096     0.48 MB/sec  execute 24642 sec
  10    282107     0.48 MB/sec  execute 24643 sec
  10    282110     0.48 MB/sec  execute 24644 sec
(285210) open ./clients/client8/~dmtmp/PARADOX/COURSES.VAL failed for handle 13496 (Input/output error)
(285211) ERROR: handle 13496 was not found
write failed on handle 13216
(282305) open ./clients/client0/~dmtmp/PARADOX/__50172.DB failed for handle 12900 (Input/output error)
Child failed with status 1