Re: RAID 1 vs RAID 5

If my historical data you mean that it will be queried but not subject to insert, update, and delete ... I'd go with RAID 5 using read-only tablespaces.

Daniel Morgan

François Bourdages wrote:

> HI,
> We have hybrid database (OLTP and DSS). Some tables are historical
> data tables, dans some others tables are updated frequently.
>
> Let say we don't have money problem. (but i'm still working!)
>
> Witch RAID configuration is best for historical Data (often read,
> never change) : RAID 1 or RAID 5. ? (witch give the best performance)
>
> What i read is that RAID 5 have the best random read performance and
> RAID 1 have the best random write performance. Is it true ?
>
> Thanks.
> François
Received on Wed Apr 03 2002 - 11:37:50 CST