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hdparm -tT /dev/device

/dev/sda:
Timing cached reads: 13832 MB in 2.00 seconds = 6919.88 MB/sec
Timing buffered disk reads: 84 MB in 3.03 seconds = 27.75 MB/sec
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HDD Device 1: /dev/sdb
HDD Model ID : ST3000DM001-1CH166
HDD Serial No: Z1F0XWQF
HDD Revision : CC43
HDD Size : 2861588 MB
Interface : S-ATA II
hdparm -tT /dev/sdb
/dev/sdb:
Timing cached reads: 4316 MB in 2.00 seconds = 2158.53 MB/sec
Timing buffered disk reads: 538 MB in 3.01 seconds = 178.99 MB/sec


HDD Device 0: /dev/sda
HDD Model ID : Hitachi HTS543225L9SA02
HDD Serial No: 081030FB1F00LLJ6WZDF
HDD Revision : FBEAC50F
HDD Size : 238475 MB
Interface : S-ATA
hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 4296 MB in 2.00 seconds = 2148.45 MB/sec
Timing buffered disk reads: 180 MB in 3.01 seconds = 59.83 MB/sec


HDD Model ID : TOSHIBA MBF2300RC
HDD Serial No: EB00PCA0DLJF
HDD Revision : 0109
hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 17160 MB in 2.00 seconds = 8593.24 MB/sec
Timing buffered disk reads: 436 MB in 3.01 seconds = 144.86 MB/sec


HDD Device 18: /dev/sds
HDD Model ID : HP MO0200FBRWB
HDD Serial No: 40200920
HDD Revision : HPD8
hdparm -tT /dev/sds
/dev/sds:
Timing cached reads: 9956 MB in 2.00 seconds = 4987.31 MB/sec
Timing buffered disk reads: 1010 MB in 3.00 seconds = 336.45 MB/sec


Raid 1 Kingston HyperxSSD & Adata sp900 SSD
hdparm -tT /dev/sdz
/dev/sdz:
Timing cached reads: 14452 MB in 1.99 seconds = 7246.26 MB/sec
Timing buffered disk reads: 894 MB in 3.01 seconds = 297.30 MB/sec


filebench;load fileserver;$dir=/dir;run 60

RaidZ-2 7x300GB SAS HDD

filebench> set $dir=zfs_storage_1 filebench> run 60 3604: 26.104: Creating/pre-allocating files and filesets
3604: 26.120: Fileset bigfileset: 10000 files, 0 leafdirs, avg dir width = 20, avg dir depth = 3.1, 1240.757MB
3604: 26.124: Removed any existing fileset bigfileset in 1 seconds
3604: 26.124: making tree for filset zfs_storage_1/bigfileset
3604: 26.134: Creating fileset bigfileset...
3604: 27.727: Preallocated 7979 of 10000 of fileset bigfileset in 2 seconds
3604: 27.727: waiting for fileset pre-allocation to finish
3607: 27.728: Starting 1 filereader instances
3608: 27.730: Starting 50 filereaderthread threads
3604: 28.840: Running...
3604: 88.846: Run took 60 seconds...
3604: 88.849: Per-Operation Breakdown
statfile1 86084ops 1435ops/s 0.0mb/s 0.0ms/op 5055us/op-cpu [0ms - 0ms]
deletefile1 86088ops 1435ops/s 0.0mb/s 0.1ms/op 5434us/op-cpu [0ms - 12ms]
closefile3 86092ops 1435ops/s 0.0mb/s 0.0ms/op 5049us/op-cpu [0ms - 2ms]
readfile1 86095ops 1435ops/s 191.0mb/s 0.1ms/op 5402us/op-cpu [0ms - 13ms]
openfile2 86100ops 1435ops/s 0.0mb/s 0.0ms/op 5039us/op-cpu [0ms - 57ms]
closefile2 86101ops 1435ops/s 0.0mb/s 0.0ms/op 4976us/op-cpu [0ms - 2ms]
appendfilerand1 86104ops 1435ops/s 11.1mb/s 0.0ms/op 5094us/op-cpu [0ms - 13ms]
openfile1 86108ops 1435ops/s 0.0mb/s 0.0ms/op 5097us/op-cpu [0ms - 22ms]
closefile1 86115ops 1435ops/s 0.0mb/s 0.0ms/op 5009us/op-cpu [0ms - 2ms]
wrtfile1 86124ops 1435ops/s 178.1mb/s 0.2ms/op 5831us/op-cpu [0ms - 11ms]
createfile1 86130ops 1435ops/s 0.0mb/s 0.1ms/op 5228us/op-cpu [0ms - 57ms] 3604: 88.849: IO Summary: 947141 ops, 15784.533 ops/s, (1435/2870 r/w), 380.2mb/s, 670us cpu/op, 0.2ms latency 3604: 88.849: Shutting down processes

4x3TB Raidz1 Pool

filebench> set $dir=/zfs_storage filebench> run 60
3540: 27.486: Creating/pre-allocating files and filesets
3540: 27.936: Fileset bigfileset: 10000 files, 0 leafdirs, avg dir width = 20, avg dir depth = 3.1, 1240.757MB 3540: 66.230: Removed any existing fileset bigfileset in 39 seconds 3540: 66.230: making tree for filset /zfs_storage/bigfileset
3540: 66.252: Creating fileset bigfileset...
3540: 70.625: Preallocated 7979 of 10000 of fileset bigfileset in 5 seconds
3540: 70.625: waiting for fileset pre-allocation to finish
3543: 70.626: Starting 1 filereader instances
3544: 70.633: Starting 50 filereaderthread threads
3540: 71.650: Running...
3540: 131.656: Run took 60 seconds...
3540: 131.660: Per-Operation Breakdown
statfile1 44556ops 743ops/s 0.0mb/s 0.0ms/op 3663us/op-cpu [0ms - 12ms]
deletefile1 44566ops 743ops/s 0.0mb/s 0.2ms/op 4034us/op-cpu [0ms - 325ms]
closefile3 44572ops 743ops/s 0.0mb/s 0.0ms/op 3600us/op-cpu [0ms - 10ms]
readfile1 44586ops 743ops/s 97.3mb/s 0.2ms/op 4102us/op-cpu [0ms - 323ms]
openfile2 44594ops 743ops/s 0.0mb/s 0.0ms/op 3614us/op-cpu [0ms - 21ms]
closefile2 44598ops 743ops/s 0.0mb/s 0.0ms/op 3481us/op-cpu [0ms - 29ms]
appendfilerand1 44599ops 743ops/s 5.8mb/s 0.2ms/op 3861us/op-cpu [0ms - 320ms]
openfile1 44601ops 743ops/s 0.0mb/s 0.0ms/op 3609us/op-cpu [0ms - 8ms]
closefile1 44602ops 743ops/s 0.0mb/s 0.0ms/op 3596us/op-cpu [0ms - 19ms]
wrtfile1 44602ops 743ops/s 91.6mb/s 0.1ms/op 4256us/op-cpu [0ms - 322ms]
createfile1 44602ops 743ops/s 0.0mb/s 0.4ms/op 4048us/op-cpu [0ms - 323ms]
3540: 131.660: IO Summary: 490478 ops, 8173.959 ops/s, (743/1487 r/w), 194.7mb/s, 703us cpu/op, 0.4ms latency
3540: 131.660: Shutting down processes


dd if=/dev/zero of=/mnt/test/ddfile bs=2048k count=10000

4x3TB Raidz1 Pool
dd if=/dev/zero of=/zfs_storage/ddfile bs=2048k count=10000
10000+0 records in
10000+0 records out
20971520000 bytes (21 GB) copied, 60.5181 s, 347 MB/s


RaidZ-2 7x300GB SAS HDD dd if=/dev/zero of=/zfs_storage_1/ddfile bs=2048k count=10000 10000+0 records in 10000+0 records out 20971520000 bytes (21 GB) copied, 36.1577 s, 580 MB/s

dd of=/dev/null if=/mnt/test/ddfile bs=2048k count=10000

4x3TB Raidz1 Pool
dd of=/dev/null if=/zfs_storage/ddfile bs=2048k count=10000
10000+0 records in
10000+0 records out
20971520000 bytes (21 GB) copied, 38.4175 s, 546 MB/s


RaidZ-2 7x300GB SAS HDD
dd of=/dev/null if=/zfs_storage_1/ddfile bs=2048k count=10000
10000+0 records in
10000+0 records out
20971520000 bytes (21 GB) copied, 5.50177 s, 3.8 GB/s


screenshots

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