NetApp: Migrating FCP luns with ndmpcopy to another controller
Well, I’m in a situation, where I need to move all volumes from one controller to two others. So I looked at the ways I had available: Freshly implementing everything: No option at all! vol copy: Is rather slow, thus no option ndmpcopy: That’s exactly what I needed! ndmpcopy is a great way to copy over a whole volume including it’s files (thus FCP luns) to another volume/controller. First I threw in a crossover cable, since at around 6 PM our backup system starts it’s daily run, and everything else running via IP in between 6 PM and 6 AM is seriously impaired by this. Configured the additional ports on all three controllers (picked a private, not-routed range just in case) and then kicked of a simple bash script that ran the following: ...