Re: Oracle Disk Configuration question.

Michael Austin wrote:

> I understand the argument of "don't use RAID5", but in my experience,
> one of the things you must know about your environment when deciding on
> these sort of things is the mix of transactions. I have been in an
> environment that was 75/25% read/write. So the read benefits of RAID5
> were well suited to the application.

What precisely are the read benefits of RAID 5?

The sole caveat I would put on Sybrand's statements is that in a SAN or NAS configuration you are writing to a cache, not to disk, so the penalty often is not visible to the application.

-- 
Daniel Morgan
http://www.outreach.washington.edu/ext/certificates/oad/oad_crs.asp
http://www.outreach.washington.edu/ext/certificates/aoa/aoa_crs.asp
damorgan_at_x.washington.edu
(replace 'x' with a 'u' to reply)