On Tue, 19 Jul 2011 16:06:05 +0200, Vernooij, CP - SPLXM <[email protected]> wrote:
>And if anybody wonders *why* z/OS does not allow you to do a specific mount of >a SCRTCH tape: >Your SCRTCH tapes will probably have a 'Fast Ready Category' assiged in your >VTS. This means, that when you request a tape from such a category, you intend >to write new data on it and don't care about the old data on the tape. >Therefor, the VTS will not bother recalling the old data, but will immediately >assing you a new blank tape in its cache. If you then try to read, you will >see an empty tape. Furthermore, this empty tape will now be *the* current >instance of this volser, with your old data still available somewhere on the >backend cartridges, but unreachable for you. IBM VTS support seems to provide >a paid service to recover the old data in such a case. > >Kees. > That is good information. Where is that documented and is it documented specifically as the reason why scratch input tapes are not allowed to be mounted? Not all SMS controlled tapes are IBM VTS. Regards, Mark -- Mark Zelden - Zelden Consulting Services - z/OS, OS/390 and MVS mailto:[email protected] Mark's MVS Utilities: http://www.mzelden.com/mvsutil.html Systems Programming expert at http://expertanswercenter.techtarget.com/ ---------------------------------------------------------------------- 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
