7200RPM JBOD xfs rw5050 (note: fio switched to msecs)

7200rpm-jbod-xfs-rw5050.out

rw5050-sdg: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=32
rw5050-sdh: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=32
rw5050-sdc: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=32
rw5050-sdb: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=32
fio-2.1.9
Starting 4 processes
rw5050-sdg: Laying out IO file(s) (1 file(s) / 25600MB)
rw5050-sdh: Laying out IO file(s) (1 file(s) / 25600MB)
rw5050-sdc: Laying out IO file(s) (1 file(s) / 25600MB)
rw5050-sdb: Laying out IO file(s) (1 file(s) / 25600MB)

rw5050-sdg: (groupid=0, jobs=4): err= 0: pid=57908: Tue Jun 17 23:42:15 2014
  Description  : ["random 50/50 sdg"]
  read : io=1198.3MB, bw=2044.8KB/s, iops=510, runt=600259msec
    slat (usec): min=33, max=202, avg=100.07, stdev=10.87
    clat (msec): min=24, max=1630, avg=144.19, stdev=121.33
     lat (msec): min=24, max=1630, avg=144.29, stdev=121.33
    clat percentiles (msec):
     |  1.00th=[   46],  5.00th=[   49], 10.00th=[   50], 20.00th=[   54],
     | 30.00th=[   60], 40.00th=[   87], 50.00th=[  110], 60.00th=[  143],
     | 70.00th=[  161], 80.00th=[  210], 90.00th=[  285], 95.00th=[  371],
     | 99.00th=[  619], 99.50th=[  742], 99.90th=[ 1045], 99.95th=[ 1188],
     | 99.99th=[ 1532]
    bw (KB  /s): min=    4, max=  779, per=25.04%, avg=511.81, stdev=101.28
  write: io=1200.3MB, bw=2047.6KB/s, iops=511, runt=600259msec
    slat (usec): min=33, max=201, avg=100.23, stdev=10.86
    clat (msec): min=20, max=1558, avg=105.88, stdev=79.54
     lat (msec): min=20, max=1558, avg=105.98, stdev=79.54
    clat percentiles (msec):
     |  1.00th=[   46],  5.00th=[   49], 10.00th=[   50], 20.00th=[   55],
     | 30.00th=[   60], 40.00th=[   68], 50.00th=[   77], 60.00th=[   95],
     | 70.00th=[  112], 80.00th=[  149], 90.00th=[  180], 95.00th=[  260],
     | 99.00th=[  437], 99.50th=[  519], 99.90th=[  709], 99.95th=[  791],
     | 99.99th=[  996]
    bw (KB  /s): min=    4, max=  789, per=25.04%, avg=512.60, stdev=101.96
    lat (msec) : 50=10.00%, 100=43.56%, 250=37.32%, 500=7.83%, 750=1.02%
    lat (msec) : 1000=0.21%, 2000=0.07%
  cpu          : usr=0.10%, sys=0.66%, ctx=619340, majf=0, minf=99
  IO depths    : 1=0.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.1%, 32=100.9%, >=64=0.0%
     submit    : 0=0.0%, 4=0.0%, 8=0.0%, 16=100.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=0.0%, 8=0.0%, 16=100.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=306670/w=307218/d=0, short=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=32

Run status group 0 (all jobs):
   READ: io=1198.3MB, aggrb=2044KB/s, minb=2044KB/s, maxb=2044KB/s, mint=600259msec, maxt=600259msec
  WRITE: io=1200.3MB, aggrb=2047KB/s, minb=2047KB/s, maxb=2047KB/s, mint=600259msec, maxt=600259msec

Disk stats (read/write):
  sdg: ios=64133/64538, merge=0/0, ticks=10919543/4127043, in_queue=15047167, util=100.00%
  sdh: ios=65275/65357, merge=0/0, ticks=11146396/3888316, in_queue=15036090, util=100.00%
  sdc: ios=90165/90489, merge=1/0, ticks=6824120/7961440, in_queue=14787553, util=100.00%
  sdb: ios=89717/89576, merge=0/1, ticks=6667163/8118000, in_queue=14786897, util=100.00%