Re: Informix Dynamic Server on IBM SSA

From: David McNight <dmcnight@bju.edu> > >Can any one share their experiences, recommendations, pit-falls, >comments about creating an IDS db engineOLTP environment on an IBM SSA >Raid system? We have 2 SSA adapters and have 4 loops with 4 drives >each. The IBM techs for the Smoothstart services will be coming next >Tuesday to configure the SSA RAID system and I want to configure it >properly for good Informix database performance for an OLTP environment. >We plan to use IDS 7.30 UC9 to start with for IDS. We are thinking about >RAID 5. I am currently planning for 2 DB engines, a production, and a >small home-grown datawarehouse engine that is primarily historical data >from the production databases. Thanks for all suggestions :-)) RAID5 in one word: don't. Stripe and mirror -- RAID1+0 or RAID10. Don't use RAID5. No, never. Shame on you. There could be children reading this newsgroup, you know! ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com