On Thu, 8 May 2008 08:44:27 -0500, Darth Keller <[EMAIL PROTECTED]> wrote:
>So the general consensus seems to be that mirroring page packs is a bad >idea resulting in a performance hit. Does anyone have any #'s on how much >of a hit this is? >ddk > That would of course depend on how busy those volumes are. With EMC SRDF we use "adaptive copy" for the page packs. What that means is the volumes were copied once to the remote side and then they are never touched again. We have to do the same thing (one time) when new page volumes are added. Our last DR drill proved that sometimes the DASD team forgets to do that. :-) Mark -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America / Farmers Insurance Group - ZFUS G-ITO mailto:[EMAIL PROTECTED] z/OS Systems Programming expert at http://expertanswercenter.techtarget.com/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.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
