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Date:      Thu, 04 Dec 2008 13:27:49 +0100
From:      Ivan Voras <ivoras@freebsd.org>
To:        freebsd-questions@freebsd.org
Subject:   Re: Tool for benchmark local disk vs. iSCSI
Message-ID:  <gh8ic3$mb3$1@ger.gmane.org>
In-Reply-To: <20081204113806.GA4578@aurora.oekb.co.at>
References:  <20081204113806.GA4578@aurora.oekb.co.at>

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Ewald Jenisch wrote:
> Hi,
>=20
> To gain an understanding on the performance of iSCSI vs. local disk IO
> I'm looking for a tool.
>=20
> My first thought was about "iozone"...

iozone is ok, but a little complex to run. Any disk benchmark will be ok
- bonnie++, blogbench, etc. but each has an emphasis on a different
aspect of the system. I think bonnie++ will be the simplest in your case.=


Make sure you know what you're benchmarking - for example if the iSCSI
drive (target) is hosted as a file in a regular file system, it will be
overly (and dangerously) cached on the server.


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