================================================================================
RAID5 with 4 disks, chunksize = 128k
================================================================================

storm:/a# tiobench --size 1024 --threads 1 --threads 2 --threads 4 --threads 8
Size is MB, BlkSz is Bytes, Read, Write, and Seeks are MB/sec

         File   Block  Num  Seq Read    Rand Read   Seq Write  Rand Write
  Dir    Size   Size   Thr Rate (CPU%) Rate (CPU%) Rate (CPU%) Rate (CPU%)
------- ------ ------- --- ----------- ----------- ----------- -----------
   .     1024   4096    1  85.63 90.9% 0.639 2.45% 45.89 76.1% 0.707 0.90%
   .     1024   4096    2  72.47 84.3% 0.786 2.64% 42.60 81.3% 0.701 1.05%
   .     1024   4096    4  59.75 70.9% 0.926 3.02% 38.81 82.0% 0.709 1.12%
   .     1024   4096    8  52.60 63.5% 1.053 3.20% 33.51 75.6% 0.715 1.22%



================================================================================
RAID0 with 4 disks, chunksize = 64k (default?)
================================================================================

storm:/a# tiobench --size 1024 --threads 1 --threads 2 --threads 4 --threads 8
Size is MB, BlkSz is Bytes, Read, Write, and Seeks are MB/sec

         File   Block  Num  Seq Read    Rand Read   Seq Write  Rand Write
  Dir    Size   Size   Thr Rate (CPU%) Rate (CPU%) Rate (CPU%) Rate (CPU%)
------- ------ ------- --- ----------- ----------- ----------- -----------
   .     1024   4096    1  96.33 82.2% 0.597 1.87% 77.16 89.9% 4.280 8.76%
   .     1024   4096    2  73.99 75.4% 0.662 2.12% 65.24 98.7% 4.359 11.7%
   .     1024   4096    4  61.15 63.9% 0.711 1.98% 59.40 98.6% 4.524 13.6%
   .     1024   4096    8  53.50 56.3% 0.753 1.95% 53.96 94.3% 4.591 13.8%




================================================================================
RAID1+0 with 4 disks, RAID0 on 2 x RAID1
================================================================================

storm:/a# tiobench --size 1024 --threads 1 --threads 2 --threads 4 --threads 8
Size is MB, BlkSz is Bytes, Read, Write, and Seeks are MB/sec

         File   Block  Num  Seq Read    Rand Read   Seq Write  Rand Write
  Dir    Size   Size   Thr Rate (CPU%) Rate (CPU%) Rate (CPU%) Rate (CPU%)
------- ------ ------- --- ----------- ----------- ----------- -----------
   .     1024   4096    1  69.20 57.6% 0.673 2.15% 43.91 59.2% 2.089 6.15%
   .     1024   4096    2  56.24 49.3% 0.828 2.35% 42.42 65.7% 2.111 10.2%
   .     1024   4096    4  50.97 45.6% 0.968 2.54% 41.62 68.1% 2.156 11.5%
   .     1024   4096    8  45.63 41.1% 1.099 2.91% 39.57 67.8% 2.132 11.9%



================================================================================
RAID0+1 with 4 disks, RAID1 on 2 x RAID0
================================================================================

Size is MB, BlkSz is Bytes, Read, Write, and Seeks are MB/sec

         File   Block  Num  Seq Read    Rand Read   Seq Write  Rand Write
  Dir    Size   Size   Thr Rate (CPU%) Rate (CPU%) Rate (CPU%) Rate (CPU%)
------- ------ ------- --- ----------- ----------- ----------- -----------
   .     1024   4096    1  55.71 49.1% 0.668 1.66% 44.15 58.7% 1.877 5.52%
   .     1024   4096    2  40.28 35.8% 0.825 2.29% 42.95 66.2% 2.003 10.1%
   .     1024   4096    4  33.50 29.7% 0.968 2.68% 41.79 68.9% 2.028 11.2%
   .     1024   4096    8  30.01 26.9% 1.100 2.83% 40.07 69.0% 2.044 11.8%