freebsd-performance Digest, Vol 4, Issue 7

Chuck Swiger cswiger at mac.com
Wed Jun 18 15:58:33 PDT 2003


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Jin Guojun [DSD] wrote:
[ ... ]
> But this seems to have different problem. At least write to RAID 1 requires
> twice bus bandwidth for soft RAID 1. So, read should be faster than write.
> But current read is 67 MB/s, write is 10 MB/s. Something is not working.

What is the write performance to a bare hard drive?

I'd expect your write performance to be somewhat higher, true, but your drives 
read at 33 MB/s, and write at 15 MB/s, your write performance is nominal.

- -- 
- -Chuck
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