Re: Reader Utility....

At 02:37 PM 11/6/97 +0200, you wrote: }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. So those of us who have attended this course, but prior to the availability of this, and other tools, are SOL ?? Jon }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"!|/ ////////| }+----------------------+-----------------------------------+-----------+ } ---------------------------------------------------------------------------- --- Jon C. Vemo "Life is like a dogsled team, if you ain't the jvemo@cyberspace.com lead dog the scenery never changes." ---------------------------------------------------------------------------- ---