Updated DeltaV4 quick benchies

Streaming reads and writes. Far beyond memory/cache/… all spinning disk.
Remember, this is our “slow” storage.

[root@dv4-1 ~]# df -h /data
Filesystem            Size  Used Avail Use% Mounted on
/dev/md2               55T   65G   55T   1% /data
Run status group 0 (all jobs):
  WRITE: io=65505MB, aggrb=1467.7MB/s, minb=1467.7MB/s, maxb=1467.7MB/s, mint=44633msec, maxt=44633msec
Run status group 0 (all jobs):
   READ: io=65412MB, aggrb=1814.5MB/s, minb=1814.5MB/s, maxb=1814.5MB/s, mint=36050msec, maxt=36050msec