Tool for benchmark local disk vs. iSCSI

Wojciech Puchar wojtek at
Thu Dec 4 05:00:17 PST 2008

>> 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.
can bonnie++ operate on raw device not filesystem?

he asked about disk benchmarked not disk+filesystem

> 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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