HP Dynamic Smart Array B140iの性能とかメモとか

HPのサーバに標準搭載されているRAIDシステム、Dynamic Smart Array B140i/ZMに関するあれこれ。ZMはZero Memoryの略、すなわちキャッシュ非搭載って意味らしい。

RAIDシステムとしては最低限の機能しか持っていない。

ベンチマーク

以下の環境でベンチマークを取った。

RAID-0ストライプサイズ:256KiB
CrystalDiskMark 6.0.1 x64 (C) 2007-2018 hiyohiyo

   Sequential Read (Q= 32,T= 1) :  1021.514 MB/s
  Sequential Write (Q= 32,T= 1) :   535.370 MB/s
  Random Read 4KiB (Q=  8,T= 8) :    10.379 MB/s [   2533.9 IOPS]
 Random Write 4KiB (Q=  8,T= 8) :     8.684 MB/s [   2120.1 IOPS]
  Random Read 4KiB (Q= 32,T= 1) :     7.275 MB/s [   1776.1 IOPS]
 Random Write 4KiB (Q= 32,T= 1) :     6.367 MB/s [   1554.4 IOPS]
  Random Read 4KiB (Q=  1,T= 1) :     0.964 MB/s [    235.4 IOPS]
 Random Write 4KiB (Q=  1,T= 1) :     0.543 MB/s [    132.6 IOPS]

  Test : 4096 MiB [E: 0.0% (0.5/22355.8 GiB)] (x3)  [Interval=5 sec]
    OS : Windows Server 2016 Storage Server Standard [10.0 Build 14393] (x64)
    ML150 G9/B140i/WD Red 4TBx6/RAID-0
RAID-10ストライプサイズ:256KiB
CrystalDiskMark 6.0.1 x64 (C) 2007-2018 hiyohiyo

   Sequential Read (Q= 32,T= 1) :   534.045 MB/s
  Sequential Write (Q= 32,T= 1) :   503.586 MB/s
  Random Read 4KiB (Q=  8,T= 8) :    10.037 MB/s [   2450.4 IOPS]
 Random Write 4KiB (Q=  8,T= 8) :     7.111 MB/s [   1736.1 IOPS]
  Random Read 4KiB (Q= 32,T= 1) :     7.058 MB/s [   1723.1 IOPS]
 Random Write 4KiB (Q= 32,T= 1) :     5.958 MB/s [   1454.6 IOPS]
  Random Read 4KiB (Q=  1,T= 1) :     0.656 MB/s [    160.2 IOPS]
 Random Write 4KiB (Q=  1,T= 1) :     3.783 MB/s [    923.6 IOPS]

  Test : 4096 MiB [E: 0.0% (0.5/11177.8 GiB)] (x3)  [Interval=5 sec]
    OS : Windows Server 2016 Storage Server Standard [10.0 Build 14393] (x64)
    ML150 G9/B140i/WD Red 4TBx6/RAID-10
RAID-5ストライプサイズ:64KiB
CrystalDiskMark 6.0.1 x64 (C) 2007-2018 hiyohiyo

   Sequential Read (Q= 32,T= 1) :   829.523 MB/s
  Sequential Write (Q= 32,T= 1) :    33.634 MB/s
  Random Read 4KiB (Q=  8,T= 8) :    10.044 MB/s [   2452.1 IOPS]
 Random Write 4KiB (Q=  8,T= 8) :     2.439 MB/s [    595.5 IOPS]
  Random Read 4KiB (Q= 32,T= 1) :     7.101 MB/s [   1733.6 IOPS]
 Random Write 4KiB (Q= 32,T= 1) :     2.022 MB/s [    493.7 IOPS]
  Random Read 4KiB (Q=  1,T= 1) :     1.153 MB/s [    281.5 IOPS]
 Random Write 4KiB (Q=  1,T= 1) :     0.406 MB/s [     99.1 IOPS]

  Test : 4096 MiB [E: 0.0% (0.5/18629.8 GiB)] (x3)  [Interval=5 sec]
    OS : Windows Server 2016 Storage Server Standard [10.0 Build 14393] (x64)
    ML150 G9/B140i/WD Red 4TBx6/RAID-5

※アレイ構築時のパリティ初期化には10時間ほどかかった

(番外)
SSDの
RAID-1
ストライプサイズ:256KiB
CrystalDiskMark 6.0.1 x64 (C) 2007-2018 hiyohiyo

   Sequential Read (Q= 32,T= 1) :   948.641 MB/s
  Sequential Write (Q= 32,T= 1) :   462.310 MB/s
  Random Read 4KiB (Q=  8,T= 8) :   617.564 MB/s [ 150772.5 IOPS]
 Random Write 4KiB (Q=  8,T= 8) :   251.102 MB/s [  61304.2 IOPS]
  Random Read 4KiB (Q= 32,T= 1) :   295.029 MB/s [  72028.6 IOPS]
 Random Write 4KiB (Q= 32,T= 1) :   211.927 MB/s [  51740.0 IOPS]
  Random Read 4KiB (Q=  1,T= 1) :    23.887 MB/s [   5831.8 IOPS]
 Random Write 4KiB (Q=  1,T= 1) :    50.317 MB/s [  12284.4 IOPS]

  Test : 4096 MiB [C: 20.1% (20.1/100.0 GiB)] (x3)  [Interval=5 sec]
    OS : Windows Server 2016 Storage Server Standard [10.0 Build 14393] (x64)
    ML150 G9/B140i/DC S3500 800Gx2/RAID-1