Well, to some the performance issue can be a deal breaker. That all depends on your replication strategy.
Also, for us, network 'glitches' (short drop outs) are an ongoing thing. But I guess the biggest single issue is the size of the network pipe needed. Again, depending on your strategy, you may need bandwidth approaching full duplex FICON or even more. And that's rather pricy. Another issue is latency (speed of light). However, the modern hardware seems to manage this issue rather well. We used PPRC for a good while and it worked well for us. We now have a much more aggressive DR strategy and have implemented XRC. We have an even more aggressive strategy as a goal. The technology isn't quite there yet for what we have in mind. -----Original Message----- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Jason To Sent: Wednesday, February 20, 2008 10:08 PM To: [email protected] Subject: Multi-stie GDPS/PPRC We are planning to implement multi-site GDPS/PPRC - active/active configuration to increase availability and at the same time maximize usage of our CPU in disaster recovery site. We currently have PPRC in place and the distance between the DR and the production site is about 70km. Any user experience/ user advice/issues we have to consider in implementing this solution. We have read about the GDPS 100km testing and have seen that the only major issues will be performance. Regards, Jason NOTICE: This electronic mail message and any files transmitted with it are intended exclusively for the individual or entity to which it is addressed. The message, together with any attachment, may contain confidential and/or privileged information. Any unauthorized review, use, printing, saving, copying, disclosure or distribution is strictly prohibited. If you have received this message in error, please immediately advise the sender by reply email and delete all copies. ---------------------------------------------------------------------- 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
