NetApp: Migrating FCP luns with ndmpcopy to another controller

Sat, 06 Oct 2012 06:31:10 +0000

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:

Ndmpcopy on BAFM

NetApp: Migrating FCP luns with ndmpcopy to another controller