> Lizette Koehler > Gesendet: Donnerstag, 2. August 2007 16:52 > > > Listers - > > Poll question of the day: How one goes about determining a good > "distance" between 2 data centers. One which is primary and one > which could be used as a DR site. > > Is there any papers, manuals, redbooks that give a good ROT for > this topic? And what is your feelings on this issue. > > Is 4 miles between two data centers too close? is 1000000 miles > between two data centers to far? > > Any thoughts or a pundit's 2cents worth on this? > > I have been trying to determine this in a generic way. Not > based on what we have for connectivity. But what would be a > good business case to show upper management that if we had XX > miles between our data centers, then a regional issue would not > take out our business. But if we were only 4 miles apart, we > would be in a world of hurt. > > Thanks for your input > > Lizette >
Can't help with numbers here but was reminded of a colleague who once said that it's not only the horizontal distance that should be considered but also the vertical one. (Think of massive floodings as an example.) -- Robert ---------------------------------------------------------------------- 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
