Iscsi/tests

fio

for more info on fio see: TBD

apt-get install fio

create /root/fio.cfg :

echo "# from mir pve forum
[global]
description=Emulation of Intel IOmeter File Server Access Pattern

[iometer]
bssplit=512/10:1k/5:2k/5:4k/60:8k/2:16k/4:32k/4:64k/10
rw=randrw
rwmixread=80
direct=1
size=4g
ioengine=libaio
# IOMeter defines the server loads as the following:
# iodepth=1    Linear
# iodepth=4    Very Light
# iodepth=8    Light
# iodepth=64    Moderate
# iodepth=256    Heavy
iodepth=64" > /root/fio.cfg

sys4 tests

napp-it/omnios , motherboard: supermicro x9xcl__ , memory 28GB , cpu:

the following tests use a debian jessie virtual machines.

raidz1 with zil

5 intel ssd model _____ + a zil drive Intel model ___

4 drive mirror, without a log drive

4 intel ssd model ___ , no zil

lxc

3032-jessie  ~ # fio /fbc/adm/fio.cfg
iometer: (g=0): rw=randrw, bs=512-64K/512-64K/512-64K, ioengine=libaio, iodepth=64
fio-2.1.11
Starting 1 process
Jobs: 1 (f=1): [m(1)] [100.0% done] [93189KB/23350KB/0KB /s] [21.7K/5469/0 iops] [eta 00m:00s]
iometer: (groupid=0, jobs=1): err= 0: pid=1857: Tue Apr 12 09:39:34 2016
  Description  : [Emulation of Intel IOmeter File Server Access Pattern]
  read : io=3274.5MB, bw=109922KB/s, iops=18037, runt= 30500msec
    slat (usec): min=2, max=8635, avg= 6.00, stdev=16.12
    clat (usec): min=144, max=43100, avg=2123.05, stdev=2388.69
     lat (usec): min=166, max=43103, avg=2129.27, stdev=2388.60
    clat percentiles (usec):
     |  1.00th=[  318],  5.00th=[  418], 10.00th=[  486], 20.00th=[  604],
     | 30.00th=[  732], 40.00th=[  892], 50.00th=[ 1160], 60.00th=[ 1624],
     | 70.00th=[ 2384], 80.00th=[ 3312], 90.00th=[ 4896], 95.00th=[ 6496],
     | 99.00th=[10816], 99.50th=[13248], 99.90th=[22144], 99.95th=[24192],
     | 99.99th=[31616]
    bw (KB  /s): min=79049, max=218569, per=100.00%, avg=110088.87, stdev=30276.89
  write: io=841688KB, bw=27596KB/s, iops=4512, runt= 30500msec
    slat (usec): min=3, max=8921, avg= 7.78, stdev=35.57
    clat (usec): min=462, max=54371, avg=5654.28, stdev=3658.82
     lat (usec): min=469, max=54379, avg=5662.30, stdev=3658.89
    clat percentiles (usec):
     |  1.00th=[ 1032],  5.00th=[ 1448], 10.00th=[ 1880], 20.00th=[ 2704],
     | 30.00th=[ 3408], 40.00th=[ 4128], 50.00th=[ 4896], 60.00th=[ 5728],
     | 70.00th=[ 6752], 80.00th=[ 8096], 90.00th=[10304], 95.00th=[12352],
     | 99.00th=[17536], 99.50th=[21632], 99.90th=[28288], 99.95th=[31104],
     | 99.99th=[41216]
    bw (KB  /s): min=19175, max=53703, per=100.00%, avg=27661.45, stdev=7629.12
    lat (usec) : 250=0.09%, 500=8.83%, 750=16.25%, 1000=10.74%
    lat (msec) : 2=18.74%, 4=21.13%, 10=20.97%, 20=2.96%, 50=0.31%
    lat (msec) : 100=0.01%
  cpu          : usr=5.42%, sys=19.14%, ctx=91520, majf=0, minf=8
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.1%, >=64=0.0%
     issued    : total=r=550156/w=137644/d=0, short=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=64

Run status group 0 (all jobs):
   READ: io=3274.5MB, aggrb=109921KB/s, minb=109921KB/s, maxb=109921KB/s, mint=30500msec, maxt=30500msec
  WRITE: io=841688KB, aggrb=27596KB/s, minb=27596KB/s, maxb=27596KB/s, mint=30500msec, maxt=30500msec

Disk stats (read/write):
    dm-3: ios=547778/137138, merge=0/0, ticks=1112764/760488, in_queue=1873360, util=99.74%, aggrios=545238/137415, aggrmerge=5086/405, aggrticks=1107748/761360, aggrin_queue=1868864, aggrutil=99.63%
  sdp: ios=545238/137415, merge=5086/405, ticks=1107748/761360, in_queue=1868864, util=99.63%