Re: Reader Utility....

MS CARLEEN C AVANT wrote: > > Hi, > I am looking for information regarding the utility called "reader". We > are > in the process of a migration from Informix 5.x to 7.x (also migrating > to a > new hardware platform). We are basically doing a complete redesign. > Our > hardware consists of a Sun Enterprise 4000 utilizing MultiPack storage > capability and volume manager. We are currently trying to decide the > "optimum" disk layout. We read that "reader is a scientific method for > optimizing disk layout". We are curious regarding anyone's > knowledge/experience regarding this utility and the accuracy of it's > results when all disk access will be going through a volume manager. That's a VERY big description for such a simple utility, but you can learn all about it and many other utilities AND walk away with the source code if you attend the "OnLine DSA Performance Tuning" course. Cheers, -- Mark. +----------------------------------------------------------+-----------+ |Mark D. Stock - Informix SA http://www.informix.com |//////// /| |mailto:mdstock@informix.com FAQ http://www.iiug.org |///// / //| | +-----------------------------------+//// / ///| | Tel: +27 11 807 0313 |If it's slow, the users complain. |/// / ////| | Fax: +27 11 807 2594 |If it's fast, the users keep quiet.|// / /////| |Cell: +27 83 250 2325 |Therefore, "No news: travels fast"!|/ ////////| +----------------------+-----------------------------------+-----------+