Brandon,
I wasn't aware of any limitation of IO per LUN on HP-UX. Can you
provide more details?
Thanks,
Alex
On 6/18/07, Allen, Brandon <Brandon.Allen_at_oneneck.com> wrote:
>
>
> I'm not sure about the Metalun term, but I believe some operating systems
> (e.g. HPUX) have internal restrictions on the I/O throughput per LUN, so you
> might just want to double check to see if your OS (or any other component in
> the I/O stack) implements this type of limitation, in which case it would be
> a good idea to present multiple, smaller LUNs to the OS rather than one big
> LUN. The best way to know for sure is to test - use dd or something similar
> to see what is the max IOPS you can get on a single LUN vs. two LUNs on the
> same disk array.
>
> Regards,
> Brandon
>
> ________________________________
> From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org]
> On Behalf Of steve montgomerie
>
>
> should I look at one big RAID 10 set or a couple of smaller ones
>
>
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--
Best regards,
Alex Gorbachev, Oracle DBA Brewer, The Pythian Group
http://www.pythian.com/blogs/author/alex http://blog.oracloid.com
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Received on Tue Jun 19 2007 - 17:49:01 CDT
