Exception: checked_Popen args=['pdsh', '-S', '-f', '29', '-R', 'ssh', '-w', 'root@c07-h09-6048r,root@c05-h21-6048r,root@c05-h29-6048r,root@c05-h09-6048r,root@c06-h01-6048r,root@c04-h09-6048r,root@c04-h17-6048r,root@c07-h05-6048r,root@c06-h21-6048r,root@c07-h01-6048r,root@c04-h01-6048r,root@c04-h21-6048r,root@c07-h21-6048r,root@c04-h25-6048r,root@c04-h29-6048r,root@c05-h25-6048r,root@c07-h25-6048r,root@c06-h09-6048r,root@c06-h25-6048r,root@c05-h05-6048r,root@c06-h17-6048r,root@c06-h13-6048r,root@c04-h13-6048r,root@c05-h01-6048r,root@c07-h17-6048r,root@c07-h13-6048r,root@c05-h17-6048r,root@c04-h05-6048r,root@c06-h05-6048r', 'sudo sh -c "ulimit -n 131072; /usr/local/bin/fio --ioengine=rbd --clientname=admin --pool=cbt-librbdfio --rbdname=cbt-librbdfio-`hostname -s`-10 --invalidate=0 --rw=randrw --rwmixread=80 --rwmixwrite=20 --runtime=100 --ramp_time=2 --numjobs=1 --direct=1 --bs=4096B --iodepth=2 --end_fsync=1 --write_iops_log=/tmp/cbt/00000000/LibrbdFio/osd_ra-00004096/op_size-00004096/concurrent_procs-464/iodepth-002/randrw/output.10 --write_bw_log=/tmp/cbt/00000000/LibrbdFio/osd_ra-00004096/op_size-00004096/concurrent_procs-464/iodepth-002/randrw/output.10 --write_lat_log=/tmp/cbt/00000000/LibrbdFio/osd_ra-00004096/op_size-00004096/concurrent_procs-464/iodepth-002/randrw/output.10 --output=/tmp/cbt/00000000/LibrbdFio/osd_ra-00004096/op_size-00004096/concurrent_procs-464/iodepth-002/randrw/output.10 --name=librbdfio-`hostname -s`-0  "'] continue_if_error=False rtncode=255
stdout:

stderr
c05-h01-6048r: ssh_exchange_identification: Connection closed by remote host^M
pdsh@abbynormal: c05-h01-6048r: ssh exited with exit code 255