This page displays the results of a disk benchmark utility used to test disk I/O with an EVA8000 using an 8GB LUN and a RAM disk. The test was performed using an Itanium2 rx4640 configured with 16GB of memory, loaded with HP-UX 11.23 64bit and RamDisc Plus. |
Disk specifications : EVA8000
: 2GB cache per controller
DSK LVM device : /dev/vg03/rlvol1
RAM LVM device : /dev/vr09/rlram1
#Benchmark version : 1.6.2
#Benchmark started : Tue Jun 27 12:00:47 2006
#Description : diskbench
#
#System : rx4640g (ia64)
#OS version : HP-UX B.11.23 U
#
#Physical memory : 16384 MB (16GB)
#Page size : 4096 bytes
#Device : rlvol1 (DSK)
#Interface : Hard disk LVM logical volume
#Section capacity : 8192 MB
#Disk capacity : 8192 MB
#Sector size : 1024 bytes
#Device : rlram1 (RAM)
#Interface : RamDisc LVM logical volume
#Section capacity : 8192 MB
#Disk capacity : 8192 MB
#Sector size : 1024 bytes
#Number of devices : 1
#Files per device : 1
#Load per file : 1 processes
#Percentage : 100% of the stated Rd/Wr
#File size : 8388608 KB
#Start position : 0 KB
#End position : 8388608 KB
#
#Number of samples : 10
#Sample period : 30 seconds
#
Rd/Wr Xfer Rate +/- Min Max CPU +/- RespT +/-
100% KB IO/s IO/s IO/s IO/s util% % msec msec
---------------------------------------------------------------------------------
read DSK 2 306.992 2.354 301.665 314.054 0.207 0.195 3.258 0.025
read RAM 2 87775.622 326.164 86496.295 88341.571 0.053 0.038 0.011 0.000
---------------------------------------------------------------------------------
#Percentage : 100% of the stated Rd/Wr
#File size : 8388608 KB
#Start position : 0 KB
#End position : 8388608 KB
#
#Number of samples : 15
#Sample period : 30 seconds
Rd/Wr Xfer Rate +/- Min Max CPU +/- RespT +/-
100% KB IO/s IO/s IO/s IO/s util% % msec msec
---------------------------------------------------------------------------------
write DSK 2 4392.180 30.163 4326.195 4524.650 2.352 2.045 0.228 0.002
write RAM 2 81257.538 147.644 80683.205 81856.711 0.060 0.036 0.012 0.000
---------------------------------------------------------------------------------
#Percentage : 60% of the stated Rd/Wr
#File size : 8388608 KB
#Start position : 0 KB
#End position : 8388608 KB
#
#Number of samples : 10
#Sample period : 30 seconds
Rd/Wr Xfer Rate +/- Min Max CPU +/- RespT +/-
100% KB IO/s IO/s IO/s IO/s util% % msec msec
---------------------------------------------------------------------------------
read DSK 2 493.308 2.229 486.012 497.346 0.209 0.264 2.027 0.009
read RAM 2 80809.662 166.300 80387.171 81209.187 0.080 0.036 0.012 0.000
---------------------------------------------------------------------------------
#File size : 140960 KB
#Load per file : 1 processes
#Number of samples : 20
#Start location : 0 KB
#Interleave amount : 0 KB
Rd/Wr Xfer Rate +/- Min Max CPU +/- RespT +/-
KB MB/s MB/s MB/s MB/s util% % msec msec
---------------------------------------------------------------------------------
read DSK 256 105.952 6.501 76.068 116.009 0.274 0.239 2.416 0.178
read RAM 256 2731.010 9.179 2655.269 2766.400 0.917 0.175 0.092 0.000
---------------------------------------------------------------------------------
#File size : 140960 KB
#Load per file : 1 processes
#Number of samples : 20
#Start location : 0 KB
#Interleave amount : 0 KB
Rd/Wr Xfer Rate +/- Min Max CPU +/- RespT +/-
KB MB/s MB/s MB/s MB/s util% % msec msec
---------------------------------------------------------------------------------
write DSK 256 84.608 0.122 84.064 85.350 0.358 0.243 2.955 0.004
write RAM 256 1145.711 30.926 1042.125 1334.905 0.436 0.162 0.219 0.006
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