In message
<97b7fd2f0702130014k12db6b34nd9d4f18e84f8478f_at_mail.gmail.com>, Syed
Jaffar Hussain <sjaffarhussain_at_gmail.com> writes
>Hello List,
>
>When we test ASM with normal redudancy vs external redundancy on AIX,
>we got different result of performance.
>
>Queries on tables which reside on the tablespace that is placed with
>external redudancy ASM disk were giving faster result than tables which
>reside with tablespace placed with ASM normal redundancy.
>
>Does any one has similar expreience?
>
>Which redundancy type works for a highly OLTP database?
>
Given that ASM is relatively new, it is likely that software RAID from a
more mature product and hardware RAID both perform better than ASM
redundancy for equivalent RAID levels.
--
Jim Smith
Ponder Stibbons Limited
251 Barcombe Avenue
London SW2 3BH
--
http://www.freelists.org/webpage/oracle-l
Received on Tue Feb 13 2007 - 06:49:43 CST
