gvinum raid5 performance seems slow

Greg 'groggy' Lehey grog at FreeBSD.org
Mon Oct 30 01:33:17 UTC 2006

On Sunday, 29 October 2006 at 11:20:33 -0600, Steve Peterson wrote:
> Petri -- thanks for the idea.

It would be a good idea to quote it.  Following this thread is almost

> I ran 2 dds in parallel; they took roughly twice as long in clock
> time, and had about 1/2 the throughput of the single dd.  On my
> system it doesn't look like how the work is offered to the disk
> subsystem matters.

Try running rawio.  That's what it's for.


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