RHEL3 and SAS5/iR: very bad performance

Eric Rostetter rostetter at mail.utexas.edu
Wed Jan 24 10:48:15 CST 2007

Quoting John Hodrien <johnh at comp.leeds.ac.uk>:

> Should the RAID1 performance be much worse?

No more than 50% worse, in the worst case.

> With large files shouldn't you
> be disk throughput (not interface) limited, and so in the best case have
> identical performance?

Depends on lots of factors.

> jh

Eric Rostetter
The Department of Physics
The University of Texas at Austin

Go Longhorns!

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