Yes it is possible to disable. Information can be found in the following manuals:
z/OS V1R7.0 DFSMS: Managing Catalogs z/OS V1R7.0 DFSMS: Using the New Functions Don Imbriale >-----Original Message----- >From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf >Of Christian Blesa >Sent: Tuesday, June 06, 2006 3:11 AM >To: [email protected] >Subject: Re: z/OS R7 IEC391I CATALOG NONVSAM.VIPRES5.ICFCAT HAS BEEN >AUTOTUNED TO: BUFNI: 6 BUFND: 11 STRNO: 3 > >Hello: > >We discovered this new feature in the z/OS 1.7 migration. Searching >information about it, we found following info: > >Large Systems Update 2005 DFSMS 1.7 Highlights > >Catalog Autotuning Support >�� Catalog performance is dependent on three parameters when >defined >o Number of strings >o Number of data buffers >o Number of index buffers >�� Possible performance problems may exist when a catalog has >heavy >concurrent activity, have a high number of large (spanned records), or >significant index size >�� Autotuning support will adjust the data and index buffer >numbers upward as >demand for a catalog increases >�� As activity increases for a catalog CAS will detect the activity >and the >number of strings will be increased >�� If the values are increased they will be remembered if the >catalog is >closed and then referenced again >o The actual catalog entry will not reflect the new values >�� Message IEC391I will identify the new values >�� Catalogs will be scanned every 10 minutes > > >It will be possible to deactivate it? How to do? > *********************************************************************** Bear Stearns is not responsible for any recommendation, solicitation, offer or agreement or any information about any transaction, customer account or account activity contained in this communication. *********************************************************************** ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
