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There are some others such as pcmark (futuremark) that has a free and pro-edition (have the pro edition) that throws a real mixed workload that exercises everything from memory to cpu to disks (you can specifcy a second disk to use as well). Others include iozone or if you want to get your checkbook out spc etc.
Best hd ssd testing software generator#
cache effectiveness) among other things.Īnother workload generator that I have in my performance and capacity planning toolbox vdbench that also has good capablitles and available for Linux and Windows Granted it does not have the nice gui of iometer (that makes it easier touse), the scripting and device options, patterns and test sequence capabilties are very good including forcing or negating locality of reference (e.g. Thus I use iorate which is very flexible and free, however does not run on windows, however I use it on ubuntu and works great. You can do some things such as use Iometer and other tools to a raw un-mounted device however be careful with this if you dont know what you are doing as data loss can result.īack to the orignal question of what is best tool for doing I/O and IOPs, are you going to be doing saturation or seeing how much a device can do, or check response time/latency, or how a system response time degrades as workload is increased, or looking at bandwidth? Are you looking to measure sustained or start, stop, pause and other patterns among other things? Particular with windows 7, there is a lot of caching and buffering done and rather difficult to get around. Thus it has become a common denominator however there is another issue which could be offset by the original question that pertains to windows. The bad news about iometer is that it is well known and easy to use and extensible and thus commonly abused to play games with benchmarks etc. Thus the good thing about iometer is that it is well known and easy to use and pretty extensible.
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The main reason I still use it is to colaborate what others do or claim, then use other tools for different things. However it has been static for since 2006 and a bit long in the tooth. I have been using iometer for well over a decade and it is ok, generaly available and relatively easy to use particular for windows enviroments.