In our current environment, we have LUNs allocated from the SAN to multiple AIX systems. In the case of the AIX blades, we use MPIO instead of Powerpath (for Multiple paths to the disks for redundancy). By default, the MPIO settings are NOT implemented in AIX, nor are disks when they are added so multiple … Read more
When dealing with an AIX Operating System, there comes a time to update the device firmware. Within the o/s there is adapter firmware and system firmware. The system firmware is updated similarly, however, a reboot of the system is a standard part of the process. Note: there is typically two sides to the system firmware. … Read more
Recently I learned that one of the LPARs on the L570 had stopped communicating with the HMC via it’s Resource Controlling Subsystem Daemon. What this meant is you could control the LPAR, open terminal windows, etc, however, you are unable to dynamically add/remove resources to the intended LPAR. This of course, led me down a … Read more