Re: Benchmarks: Linux Kernel RAID vs a Hardware RAID setup

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Keld Jørn Simonsen wrote:

I would actually welcome more tests with specific user profiles, like
many small reads and writes for database  use, and concurrent random
reading and writing to simulate the load on a server. What bonnie++ is
reporting is only equential IO. This is important on work stations, but
actually not on servers.

The following is from the Bonnie++ man page:

"There are two sections to the program's operations. The first is to test the IO throughput in a fashion that is designed to simulate some types of database applications. The second is to test creation, reading and deleting many small files in a fashion similar to the usage patterns of programs such as Squid or INN."

So I guess the author thinks it's valid for more than sequential I/O.

In any case, while we may be in a minority, Justin, I and a few others are interested in sequential I/O, as we build servers required to read and write multiple streams of uncompressed SD and HD video in realtime.

Regards,

Richard
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