wiki:TipAndDoc/storage/RAID/benchmark

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Version 6 (modified by mitty, 13 years ago) (diff)
--

initiator
target
hardware 1
1. sdc1
2. RAID0
3. RAID1
4. RAID5
5. RAID10
  1. near
  2. offset
  3. far
6. result
hardware 2
1. sdc1
2. RAID0
3. RAID1
4. RAID5
5. RAID10
  1. near
  2. offset
  3. far
6. result

HDD benckmark with Crystal Disk Mark on iSCSI target
CrystalDiskMark 3.0.1a

see also wiki:TipAndDoc/network/iscsi

initiator

ThinkPad T61 7662-A25 (see wiki:TipAndDoc/Hardware#T617662-A25)
Windows 7 SP1 x64

target

Ubuntu 10.04 x64 (Linux iscsi 2.6.32-31-generic #61-Ubuntu SMP Fri Apr 8 18:25:51 UTC 2011 x86_64 GNU/Linux)

iscsitarget 1.4.19+svn275-ubuntu2

/etc/ietd.conf

Target iqn.2011-05.jp.mitty.local.iscsi:md0.disk
	Lun 0 Path=/dev/md0,Type=blockio

hardware 1

Intel D915GAV
Pentium 4 531 3.00GHz
DDR400 2.5GB (see wiki:TipAndDoc/Hardware/memtest#a915GExpressonD915GAV)
Intel PRO/1000 PT

HDD

/dev/sda: Device Model:     ST340014A
/dev/sdb: Device Model:     WDC WD3000JD-22KLB0
/dev/sdc: Device Model:     WDC WD3000JD-22KLB0
/dev/sdd: Device Model:     WDC WD3000JD-22KLB0
/dev/sde: Device Model:     WDC WD3000JD-22KLB0

hdparm

/dev/sda:
 Timing buffered disk reads:  168 MB in  3.01 seconds =  55.77 MB/sec
/dev/sdb:
 Timing buffered disk reads:  176 MB in  3.02 seconds =  58.29 MB/sec
/dev/sdc:
 Timing buffered disk reads:  188 MB in  3.01 seconds =  62.42 MB/sec
/dev/sdd:
 Timing buffered disk reads:  188 MB in  3.01 seconds =  62.36 MB/sec
/dev/sde:
 Timing buffered disk reads:  186 MB in  3.00 seconds =  61.99 MB/sec

fdisk

/dev/sdb1              63    10485822     5242880   fd  Linux raid autodetect
/dev/sdc1              63    10485822     5242880   fd  Linux raid autodetect
/dev/sdd1              63    10485822     5242880   fd  Linux raid autodetect
/dev/sde1              63    10485822     5242880   fd  Linux raid autodetect

sdc1

/etc/ietd.conf

Target iqn.2011-05.jp.mitty.local.iscsi:md0.disk
        Lun 0 Path=/dev/sdc1,Type=blockio

/dev/sdc1:
 Timing buffered disk reads:  186 MB in  3.00 seconds =  61.92 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    52.009 MB/s
          Sequential Write :    65.029 MB/s
         Random Read 512KB :    24.361 MB/s
        Random Write 512KB :    31.095 MB/s
    Random Read 4KB (QD=1) :     0.414 MB/s [   101.0 IOPS]
   Random Write 4KB (QD=1) :     1.205 MB/s [   294.3 IOPS]
   Random Read 4KB (QD=32) :     0.466 MB/s [   113.8 IOPS]
  Random Write 4KB (QD=32) :     1.221 MB/s [   298.2 IOPS]

  Test : 4000 MB [I: 1.1% (56.2/5117.0 MB)] (x5)
  Date : 2011/05/19 16:01:45
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    D915GAV/WD3000JD-22KLB0/no RAID

RAID0

mitty@iscsi:~$ sudo mdadm --create /dev/md0 -n4 -l0 /dev/sd[bcde]1

md0 : active raid0 sde1[3] sdd1[2] sdc1[1] sdb1[0]
      20971264 blocks 64k chunks

/dev/md0:
 Timing buffered disk reads:  564 MB in  3.00 seconds = 187.99 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    46.145 MB/s
          Sequential Write :    88.671 MB/s
         Random Read 512KB :    22.361 MB/s
        Random Write 512KB :    72.244 MB/s
    Random Read 4KB (QD=1) :     0.561 MB/s [   137.0 IOPS]
   Random Write 4KB (QD=1) :     5.289 MB/s [  1291.2 IOPS]
   Random Read 4KB (QD=32) :     1.109 MB/s [   270.8 IOPS]
  Random Write 4KB (QD=32) :     5.571 MB/s [  1360.0 IOPS]

  Test : 4000 MB [I: 0.5% (0.1/20.0 GB)] (x5)
  Date : 2011/05/19 16:24:49
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    D915GAV/WD3000JD-22KLB0/RAID0

RAID1

mitty@iscsi:~$ sudo mdadm --create /dev/md0 -n4 -l1 /dev/sd[bcde]1

md0 : active raid1 sde1[3] sdd1[2] sdc1[1] sdb1[0]
      5242816 blocks [4/4] [UUUU]

/dev/md0:
 Timing buffered disk reads:  186 MB in  3.01 seconds =  61.88 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    38.576 MB/s
          Sequential Write :    34.906 MB/s
         Random Read 512KB :    27.966 MB/s
        Random Write 512KB :    19.856 MB/s
    Random Read 4KB (QD=1) :     0.495 MB/s [   120.8 IOPS]
   Random Write 4KB (QD=1) :     1.147 MB/s [   280.0 IOPS]
   Random Read 4KB (QD=32) :     1.057 MB/s [   258.1 IOPS]
  Random Write 4KB (QD=32) :     1.163 MB/s [   283.8 IOPS]

  Test : 4000 MB [I: 1.1% (56.2/5117.0 MB)] (x5)
  Date : 2011/05/19 17:01:12
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    D915GAV/WD3000JD-22KLB0/RAID1

RAID5

mitty@iscsi:~$ sudo mdadm --create /dev/md0 -n4 -l5 /dev/sd[bcde]1

md0 : active raid5 sde1[3] sdd1[2] sdc1[1] sdb1[0]
      15728448 blocks level 5, 64k chunk, algorithm 2 [4/4] [UUUU]

/dev/md0:
 Timing buffered disk reads:  362 MB in  3.01 seconds = 120.33 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    39.126 MB/s
          Sequential Write :    28.302 MB/s
         Random Read 512KB :    22.531 MB/s
        Random Write 512KB :    12.854 MB/s
    Random Read 4KB (QD=1) :     0.536 MB/s [   131.0 IOPS]
   Random Write 4KB (QD=1) :     0.216 MB/s [    52.7 IOPS]
   Random Read 4KB (QD=32) :     1.080 MB/s [   263.6 IOPS]
  Random Write 4KB (QD=32) :     0.361 MB/s [    88.0 IOPS]

  Test : 4000 MB [I: 0.6% (0.1/15.0 GB)] (x5)
  Date : 2011/05/19 17:45:55
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    D915GAV/WD3000JD-22KLB0/RAID5

RAID10

near

mitty@iscsi:~$ sudo mdadm --create /dev/md0 -n4 -l10 -pn2 /dev/sd[bcde]1

md0 : active raid10 sde1[3] sdd1[2] sdc1[1] sdb1[0]
      10485632 blocks 64K chunks 2 near-copies [4/4] [UUUU]

/dev/md0:
 Timing buffered disk reads:  278 MB in  3.02 seconds =  92.07 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    35.480 MB/s
          Sequential Write :    62.991 MB/s
         Random Read 512KB :    19.100 MB/s
        Random Write 512KB :    54.111 MB/s
    Random Read 4KB (QD=1) :     0.507 MB/s [   123.8 IOPS]
   Random Write 4KB (QD=1) :     2.436 MB/s [   594.7 IOPS]
   Random Read 4KB (QD=32) :     1.053 MB/s [   257.0 IOPS]
  Random Write 4KB (QD=32) :     2.528 MB/s [   617.2 IOPS]

  Test : 4000 MB [I: 0.8% (0.1/10.0 GB)] (x5)
  Date : 2011/05/19 18:19:32
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    D915GAV/WD3000JD-22KLB0/RAID10 near

offset

mitty@iscsi:~$ sudo mdadm --create /dev/md0 -n4 -l10 -po2 /dev/sd[bcde]1

md0 : active raid10 sde1[3] sdd1[2] sdc1[1] sdb1[0]
      10485504 blocks 64K chunks 2 offset-copies [4/4] [UUUU]

/dev/md0:
 Timing buffered disk reads:  260 MB in  3.01 seconds =  86.40 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    30.610 MB/s
          Sequential Write :    53.832 MB/s
         Random Read 512KB :    18.595 MB/s
        Random Write 512KB :    48.337 MB/s
    Random Read 4KB (QD=1) :     0.518 MB/s [   126.4 IOPS]
   Random Write 4KB (QD=1) :     2.451 MB/s [   598.3 IOPS]
   Random Read 4KB (QD=32) :     1.011 MB/s [   246.8 IOPS]
  Random Write 4KB (QD=32) :     2.538 MB/s [   619.5 IOPS]

  Test : 4000 MB [I: 0.8% (0.1/10.0 GB)] (x5)
  Date : 2011/05/19 19:00:05
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    D915GAV/WD3000JD-22KLB0/RAID10 offset

far

mitty@iscsi:~$ sudo mdadm --create /dev/md0 -n4 -l10 -pf2 /dev/sd[bcde]1

md0 : active raid10 sde1[3] sdd1[2] sdc1[1] sdb1[0]
      10485504 blocks 64K chunks 2 far-copies [4/4] [UUUU]

/dev/md0:
 Timing buffered disk reads:  534 MB in  3.00 seconds = 177.81 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    46.506 MB/s
          Sequential Write :    33.721 MB/s
         Random Read 512KB :    23.436 MB/s
        Random Write 512KB :    40.049 MB/s
    Random Read 4KB (QD=1) :     0.563 MB/s [   137.4 IOPS]
   Random Write 4KB (QD=1) :     2.337 MB/s [   570.5 IOPS]
   Random Read 4KB (QD=32) :     1.082 MB/s [   264.1 IOPS]
  Random Write 4KB (QD=32) :     2.491 MB/s [   608.1 IOPS]

  Test : 4000 MB [I: 0.8% (0.1/10.0 GB)] (x5)
  Date : 2011/05/19 19:40:51
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    D915GAV/WD3000JD-22KLB0/RAID10 far

result

method	sdc1	raid0	raid1	raid5	near	offset	far
hdparm	61.92	187.99	61.88	120.33	92.07	86.40	177.81
Sequential Read	52.009	46.145	38.576	39.126	35.480	30.610	46.506
Sequential Write	65.029	88.671	34.906	28.302	62.991	53.832	33.721
Random Read 512KB	24.361	22.361	27.966	22.531	19.100	18.595	23.436
Random Write 512KB	31.095	72.244	19.856	12.854	54.111	48.337	40.049
Random Read 4KB (QD=1)	0.414	0.561	0.495	0.536	0.507	0.518	0.563
Random Write 4KB (QD=1)	1.205	5.289	1.147	0.216	2.436	2.451	2.337
Random Read 4KB (QD=32)	0.466	1.109	1.057	1.080	1.053	1.011	1.082
Random Write 4KB (QD=32)	1.221	5.571	1.163	0.361	2.528	2.538	2.491

hardware 2

Gateway GT5236j (Intel DG33SXG2)
Celeron 430 1.80GHz
PC2-5300 2GB (see wiki:TipAndDoc/Hardware/memtest#G33onGatewayGT5240jPC2-5300)
Intel PRO/1000 PT

HDD

/dev/sda: Device Model:     ST340014A
/dev/sdb: Device Model:     WDC WD3000JD-22KLB0
/dev/sdc: Device Model:     WDC WD3000JD-22KLB0
/dev/sdd: Device Model:     WDC WD3000JD-22KLB0
/dev/sde: Device Model:     WDC WD3000JD-22KLB0

hdparm

/dev/sda:
 Timing buffered disk reads:  168 MB in  3.02 seconds =  55.70 MB/sec
/dev/sdb:
 Timing buffered disk reads:  174 MB in  3.01 seconds =  57.82 MB/sec
/dev/sdc:
 Timing buffered disk reads:  188 MB in  3.03 seconds =  62.13 MB/sec
/dev/sdd:
 Timing buffered disk reads:  186 MB in  3.00 seconds =  61.92 MB/sec
/dev/sde:
 Timing buffered disk reads:  184 MB in  3.01 seconds =  61.12 MB/sec

fdisk

/dev/sdb1              63    10485822     5242880   fd  Linux raid autodetect
/dev/sdc1              63    10485822     5242880   fd  Linux raid autodetect
/dev/sdd1              63    10485822     5242880   fd  Linux raid autodetect
/dev/sde1              63    10485822     5242880   fd  Linux raid autodetect

sdc1

/etc/ietd.conf

Target iqn.2011-05.jp.mitty.local.iscsi:md0.disk
        Lun 0 Path=/dev/sdc1,Type=blockio

/dev/sdc1:
 Timing buffered disk reads:  188 MB in  3.02 seconds =  62.22 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    58.987 MB/s
          Sequential Write :    64.984 MB/s
         Random Read 512KB :    24.785 MB/s
        Random Write 512KB :    30.615 MB/s
    Random Read 4KB (QD=1) :     0.450 MB/s [   109.9 IOPS]
   Random Write 4KB (QD=1) :     1.229 MB/s [   300.1 IOPS]
   Random Read 4KB (QD=32) :     0.483 MB/s [   117.9 IOPS]
  Random Write 4KB (QD=32) :     1.228 MB/s [   299.8 IOPS]

  Test : 4000 MB [I: 1.1% (56.2/5117.0 MB)] (x5)
  Date : 2011/05/19 22:53:46
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    GT5236j/WD3000JD-22KLB0/no RAID

RAID0

mitty@iscsi:~$ sudo mdadm --create /dev/md0 -n4 -l0 /dev/sd[bcde]1

md0 : active raid0 sde1[3] sdd1[2] sdc1[1] sdb1[0]
      20971264 blocks 64k chunks

/dev/md0:
 Timing buffered disk reads:  690 MB in  3.01 seconds = 229.60 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    94.797 MB/s
          Sequential Write :    94.943 MB/s
         Random Read 512KB :    33.619 MB/s
        Random Write 512KB :    79.516 MB/s
    Random Read 4KB (QD=1) :     0.577 MB/s [   140.8 IOPS]
   Random Write 4KB (QD=1) :     5.226 MB/s [  1275.8 IOPS]
   Random Read 4KB (QD=32) :     1.639 MB/s [   400.3 IOPS]
  Random Write 4KB (QD=32) :     5.621 MB/s [  1372.2 IOPS]

  Test : 4000 MB [I: 0.5% (0.1/20.0 GB)] (x5)
  Date : 2011/05/19 23:11:05
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    GT5236j/WD3000JD-22KLB0/RAID0

RAID1

mitty@iscsi:~$ sudo mdadm --create /dev/md0 -n4 -l1 /dev/sd[bcde]1

md0 : active raid1 sde1[3] sdd1[2] sdc1[1] sdb1[0]
      5242816 blocks [4/4] [UUUU]

/dev/md0:
 Timing buffered disk reads:  174 MB in  3.00 seconds =  57.91 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    46.092 MB/s
          Sequential Write :    54.080 MB/s
         Random Read 512KB :    28.015 MB/s
        Random Write 512KB :    26.521 MB/s
    Random Read 4KB (QD=1) :     0.498 MB/s [   121.6 IOPS]
   Random Write 4KB (QD=1) :     1.147 MB/s [   279.9 IOPS]
   Random Read 4KB (QD=32) :     1.740 MB/s [   424.9 IOPS]
  Random Write 4KB (QD=32) :     1.187 MB/s [   289.9 IOPS]

  Test : 4000 MB [I: 1.1% (56.2/5117.0 MB)] (x5)
  Date : 2011/05/19 23:40:16
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    GT5236j/WD3000JD-22KLB0/RAID1

RAID5

mitty@iscsi:~$ sudo mdadm --create /dev/md0 -n4 -l5 /dev/sd[bcde]1

md0 : active raid5 sde1[3] sdd1[2] sdc1[1] sdb1[0]
      15728448 blocks level 5, 64k chunk, algorithm 2 [4/4] [UUUU]

/dev/md0:
 Timing buffered disk reads:  504 MB in  3.00 seconds = 167.82 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    65.202 MB/s
          Sequential Write :    33.132 MB/s
         Random Read 512KB :    33.384 MB/s
        Random Write 512KB :    15.253 MB/s
    Random Read 4KB (QD=1) :     0.544 MB/s [   132.8 IOPS]
   Random Write 4KB (QD=1) :     0.245 MB/s [    59.9 IOPS]
   Random Read 4KB (QD=32) :     1.641 MB/s [   400.6 IOPS]
  Random Write 4KB (QD=32) :     0.638 MB/s [   155.8 IOPS]

  Test : 4000 MB [I: 0.6% (0.1/15.0 GB)] (x5)
  Date : 2011/05/20 0:14:47
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    GT5236j/WD3000JD-22KLB0/RAID5

RAID10

near

mitty@iscsi:~$ sudo mdadm --create /dev/md0 -n4 -l10 -pn2 /dev/sd[bcde]1

md0 : active raid10 sde1[3] sdd1[2] sdc1[1] sdb1[0]
      10485632 blocks 64K chunks 2 near-copies [4/4] [UUUU]

/dev/md0:
 Timing buffered disk reads:  346 MB in  3.01 seconds = 115.12 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    50.446 MB/s
          Sequential Write :    81.228 MB/s
         Random Read 512KB :    31.192 MB/s
        Random Write 512KB :    59.114 MB/s
    Random Read 4KB (QD=1) :     0.528 MB/s [   128.8 IOPS]
   Random Write 4KB (QD=1) :     2.496 MB/s [   609.4 IOPS]
   Random Read 4KB (QD=32) :     1.679 MB/s [   409.9 IOPS]
  Random Write 4KB (QD=32) :     2.607 MB/s [   636.5 IOPS]

  Test : 4000 MB [I: 0.8% (0.1/10.0 GB)] (x5)
  Date : 2011/05/20 0:44:04
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    GT5236j/WD3000JD-22KLB0/RAID10 near

offset

mitty@iscsi:~$ sudo mdadm --create /dev/md0 -n4 -l10 -po2 /dev/sd[bcde]1

md0 : active raid10 sde1[3] sdd1[2] sdc1[1] sdb1[0]
      10485504 blocks 64K chunks 2 offset-copies [4/4] [UUUU]

/dev/md0:
 Timing buffered disk reads:  348 MB in  3.01 seconds = 115.50 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    57.014 MB/s
          Sequential Write :    81.717 MB/s
         Random Read 512KB :    31.337 MB/s
        Random Write 512KB :    48.060 MB/s
    Random Read 4KB (QD=1) :     0.533 MB/s [   130.1 IOPS]
   Random Write 4KB (QD=1) :     2.459 MB/s [   600.2 IOPS]
   Random Read 4KB (QD=32) :     1.516 MB/s [   370.1 IOPS]
  Random Write 4KB (QD=32) :     2.612 MB/s [   637.7 IOPS]

  Test : 4000 MB [I: 0.8% (0.1/10.0 GB)] (x5)
  Date : 2011/05/20 1:10:50
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    GT5236j/WD3000JD-22KLB0/RAID10 offset

far

mitty@iscsi:~$ sudo mdadm --create /dev/md0 -n4 -l10 -pf2 /dev/sd[bcde]1

md0 : active raid10 sde1[3] sdd1[2] sdc1[1] sdb1[0]
      10485504 blocks 64K chunks 2 far-copies [4/4] [UUUU]

/dev/md0:
 Timing buffered disk reads:  686 MB in  3.01 seconds = 227.96 MB/sec

result

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :    98.748 MB/s
          Sequential Write :    44.695 MB/s
         Random Read 512KB :    33.241 MB/s
        Random Write 512KB :    40.741 MB/s
    Random Read 4KB (QD=1) :     0.574 MB/s [   140.1 IOPS]
   Random Write 4KB (QD=1) :     2.399 MB/s [   585.6 IOPS]
   Random Read 4KB (QD=32) :     1.627 MB/s [   397.2 IOPS]
  Random Write 4KB (QD=32) :     2.500 MB/s [   610.3 IOPS]

  Test : 4000 MB [I: 0.8% (0.1/10.0 GB)] (x5)
  Date : 2011/05/20 2:08:56
    OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)
    GT5236j/WD3000JD-22KLB0/RAID10 far

result

method	sdc1	raid0	raid1	raid5	near	offset	far
hdparm	62.22	229.60	57.91	167.82	115.12	115.50	227.96
Sequential Read	58.987	94.797	46.092	65.202	50.446	57.014	98.748
Sequential Write	64.984	94.943	54.080	33.132	81.228	81.717	44.695
Random Read 512KB	24.785	33.619	28.015	33.384	31.192	31.337	33.241
Random Write 512KB	30.615	79.516	26.521	15.253	59.114	48.060	40.741
Random Read 4KB (QD=1)	0.450	0.577	0.498	0.544	0.528	0.533	0.574
Random Write 4KB (QD=1)	1.229	5.226	1.147	0.245	2.496	2.459	2.399
Random Read 4KB (QD=32)	0.483	1.639	1.740	1.641	1.679	1.516	1.627
Random Write 4KB (QD=32)	1.228	5.621	1.187	0.638	2.607	2.612	2.500

Attachments (25)

attach.png (75.8 KB) - added by mitty 13 years ago.
online.png (75.5 KB) - added by mitty 13 years ago.
taskmgr.png (52.2 KB) - added by mitty 13 years ago.
D915GAV-sdc1.png (37.5 KB) - added by mitty 13 years ago.
D915GAV-0.png (32.4 KB) - added by mitty 13 years ago.
D915GAV-1.png (37.8 KB) - added by mitty 13 years ago.
D915GAV-5.png (38.2 KB) - added by mitty 13 years ago.
D915GAV-10-near.png (41.8 KB) - added by mitty 13 years ago.
D915GAV-10-offset.png (40.1 KB) - added by mitty 13 years ago.
D915GAV-10-far.png (41.6 KB) - added by mitty 13 years ago.
GT5236j-sdc1.png (36.7 KB) - added by mitty 13 years ago.
GT5236j-0.png (40.1 KB) - added by mitty 13 years ago.
GT5236j-1.png (39.4 KB) - added by mitty 13 years ago.
GT5236j-5.png (38.3 KB) - added by mitty 13 years ago.
GT5236j-10-near.png (39.5 KB) - added by mitty 13 years ago.
GT5236j-10-offset.png (40.5 KB) - added by mitty 13 years ago.
GT5236j-10-far.png (34.0 KB) - added by mitty 13 years ago.
D915GAV-6.png (40.2 KB) - added by mitty 13 years ago.
GT5236j-6.png (37.9 KB) - added by mitty 13 years ago.
D915GAV-bar1.png (3.9 KB) - added by mitty 13 years ago.
D915GAV-bar2.png (3.6 KB) - added by mitty 13 years ago.
D915GAV-total.png (5.5 KB) - added by mitty 13 years ago.
GT5236j-bar1.png (3.6 KB) - added by mitty 13 years ago.
GT5236j-bar2.png (3.5 KB) - added by mitty 13 years ago.
GT5236j-total.png (5.6 KB) - added by mitty 13 years ago.

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