Re: Informix on Symmetrix 5000 with EMC

Yes! At GA we have a NCR 5100M (SVr4) and EMC configured as RAID-S. Not yet in full production. A couple of things I can think of: 1) Use a volume manager to strip a virtual disk accross as many SCSI channels as possible. I have not bench-marked Informix, but a series of UNIX read scripts I had written tended to perform better the 'wider' the stripe. 2) Do not use Informix mirring facilities as the EMC already has disk protection (mirrored or RAID-S) 3) If you are in a transaction processing environment, the EMC mirrored configuration will give you better write performance (by how much, I don't know.) We are using the system as a data warehouse so write penalties are not an issue at this point. Please keep in touch and compare notes from time to time. KENDRICKS.CHERYL@heb.com wrote: > > Is anyone presently executing Informix 7.X Online using Symmetrix with EMC? > > If so please respond on problems to look out for when setting up for this > environment. Also if you converted to this from NCR, HP or IBM Power Server > 720, could you comment on any performance gains or losses that you have noted. > > Thanks for your reply! > Cheryl L. Kendricks > clkddd@flash.net > or > vnibs2@heb.com -- ** Paul J. Reimold UNIX Administrator ** ** General Accident Insurance ** ** 436 Walnut Street Phila, PA 19106 ** ** (215) 625-2146/625-4350 (fax)/preimold@genacc-us.com **