Correct. And the definitions on the device are static. Once WLM starts re-assigning the PAVs to new UCBs, it is called Dynamic, or if re-assigned with each I/O, Hyper-PAVs.
If you need to change I/O addresses, you can change the I/O gen to use new addresses and IPL to use the new addresses. On Tue, Oct 18, 2011 at 2:51 PM, Mike Myers <[email protected]> wrote: > Mike: > > Thanks, and that has no affect on the previously defined volume contents? > Sounds like it just adds the alias addresses to the LCU definition, but no > physical disk data needs to be changed, right? > > Mike > > On 10/18/2011 03:35 PM, Mike Schwab wrote: >> >> If you have unused / usassigned addresses on each LCU, you can add >> PAVs to the end and dynamicly update your I/O gen to use them. >> >> On Tue, Oct 18, 2011 at 1:56 PM, Mike Myers<[email protected]> >> wrote: >>> >>> Radoslaw: >>> >>> Thanks. My greater concern is loss of data. This system is very new and >>> not >>> into production yet, so an IPL would be minimally "disruptive" for a >>> while >>> (until after the operating system was installed and configured. >>> >>> Since we are installing the operating system later this week, if it was >>> reformatting the volumes, that would be truly disruptive. >>> >>> Mike >>> >>> On 10/18/2011 02:28 PM, R.S. wrote: >>>> >>>> W dniu 2011-10-18 20:00, Mike Myers pisze: >>>>> >>>>> Does anyone know if adding PAV (alias) addresses to a configured DS6800 >>>>> is disruptive of any real devices already configured and initialized on >>>>> the affected LCU? >>>> >>>> IMHO yes. Usually you have 256 devices per CU. Base and aliases. So, >>>> adding aliases means >>>> CU reconfiguration, means some device must go to another CU. Since such >>>> devices must go offline, it is disruptive. >>>> There is further question: is the reformat required to do such >>>> reconfiguration? "Disruptive" means simply offline-online, maybe it >>>> causes >>>> IPL. Reformat means you LOSE your volumes and have to restore them from >>>> backup. >>>> >>>> My €0.02 >>> >>> ---------------------------------------------------------------------- >>> 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 >>> >> >> > > ---------------------------------------------------------------------- > 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 > -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- 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
