[CentOS] Re: server exercising, stressing, and/or testing

Brian T. Brunner brian.t.brunner at gai-tronics.com
Tue Nov 22 19:44:42 UTC 2005

The Mersenne project has a TortureTest mode that has helped 
me find how far I can overclock CPU or RAM without running into errors.
It runs massive calculations and compares the results with pre-known 
values.  If this is run while a disk I/O and graphics test run, the collision 
problems between these memory users can be (hopefully) caught 
without regard to whether you overclock or not.

See: http://www.mersenne.org/freesoft.htm

Brian Brunner
brian.t.brunner at gai-tronics.com

>>> jlb17 at duke.edu 11/22/05 02:34PM >>>
On Tue, 22 Nov 2005 at 11:30am, Robert wrote

> } It might be useful if you specify what aspects of the box you want to
> } test.
> }
> } CPU?  RAM?  Disk?
> }
> } You mentioned disk, but is that all that you want to test?
> }
> } Regards,
> } Greg
> i wish to test it all, everything, just not ummm extremely violently in
> terms of hard drive(s).
> so, if the hard drive testing part is ultimately configurable that would be
> great... i just dont feel like pounding the drives for hours and hours
> ummmmmmmmmm what are people using in this area?
> i am familiar with memtest and some of the other small stuff yet i am
> looking for practical list wisdom on this whole scenartio.
> thanks!

I've actually had pretty good luck with this little script:


It's not *too* hard on the disks, although that part isn't configurable.

Joshua Baker-LePain
Department of Biomedical Engineering
Duke University
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