Questions tagged [iometer]
8 questions
7
votes
1 answer
VMFleet Diskspd script shows zeros in output.
Speaking shortly, I decided to stress-test my brand new 4-node S2D cluster.
I started with IOMeter and got the initial results (max IOPS/Throughput on different patterns). Then I thought it would be a good idea to find IOmeter configs that would…
B.J.Goodman
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6
votes
3 answers
IOMeter - What values should I test with?
In some ways I guess this is a piece of string question, however even if there is a "this fits most situations" answer I have no idea what it is, so...
I have a SAN on evaluation, an HP P4000. I'd like to use IOMeter to do some benchmarking to see…
flooble
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4
votes
1 answer
1
vote
2 answers
IOMeter showing hardly any data
I ran IOmeter on a Windows Server 2008 R2 SP1 server for 18 hours and when I clicked on "Stop current Test and Save Results" it stopped the worker processes (I only had 1).
When looking at the results in the csv file it hardly shows anything...it…
lara400
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1
vote
1 answer
iometer - cpu utilization not being returned
everything I want gets picked up from the dynamo process.
Although for some reason the CPU Utilization isn't being presented and recorded.
Any ideas?
Thank you
EDIT:
SYSTEM - Linux x86_64, Virtual Machine, running atop ESX4.0 on an IBM HS21 Blade
romant
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0
votes
1 answer
IOmeter: Avoid caching and Raw Devices
When testing IOmeter I know always need to be avoid hitting the cache if the logical drive with the OS is testing, some I have some question about it:
Do I need to avoid the memory on the controller or the machine? Let's say I have a controller…
Juan Mulford
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0
votes
1 answer
Measuring IOPs and comparing with IOmeter
So I've got to somehow generate IOPs using some prehistoric metrics used in IOmeter (which can't run in a 64bit ubuntu environment)
The settings used in IOmeter are:
16K block size,
75% read to 25% write ratio,
with 80% random distribution.
How…
Frustrated Admin
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0
votes
2 answers
why is iometer performance slower after first run?
I'm doing some benchmarking with IOMeter, and I'm seeing a consistent and susbtantial drop-off in performance after running the first test in my VMWare environments. These drop-offs are about the same on the three VMs I've tested on, which makes me…
Dan
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