Re: Informix OnLine on RAID drives

In article <33C0EB89.36E6@crosskeys.com>, Melody Fallah-Khair <mkhair@crosskeys.com> writes >Hello, > >Has anybody experienced setting up Informix Online 7.x on >RAID (Redundant Array of Independent Disks) disk drives? Any performace >improvement or suggestion for how to set them up (RAID 0, 1, 2, ...6)? > Avoid the RAID level where all parity info is on one drive (RAID 5??). >I'm wondering specially between using either Informix mirroring or >hardware mirroring provided by RAID 1. The I/O performance is an >important factor to us. > Benchmark both, I do not think there is much difference between them, neither did the person at Informix UK who led the Online Performance Tuning course that I went on. Informix mirroring is useful when the Operating System or hardware does not support mirroring. >Thanks >Please emailto :mkhair@crosskeys.com > >Melody >******************************************** >* Melody F. Khair mkhair@crosskeys.com * >* Crosskeys Systems Corp www.crosskeys.com * >* 350 Terry Fox Drive * >* Kanata, ON, Canada K2K 2W5 * >******************************************** -- David Williams