Originally posted by: SystemAdmin
My current job has given me a little too much experience with some of these issues... ;-)
Our LPARs boot from SAN devices, so our configuration is a little simpler. However, I've had very few problems when moving the HBAs from one chassis to another. Naturally, your O/S patch level, firmware level, etc. has to match up and work together, and you'll probably have to re-do the entire TCP/IP configuration unless you're moving the NICs as well... Our standard AIX build always includes all device drivers to make that process a little safer...
If you want to move the fibre channel cables to different HBAs, you'll have to get new SAN zoning and SAN disk presentation done, and you may see different hdisk# (or vpath# or hdiskpower#, etc.) devices when you boot in the new environment. However, so much of AIX's LVM processing is based on the PVID, that those changes rarely cause problems in my shop...
Good luck!
-Chris
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