On an AIX system it is possible for garbage erroneous errors to be written to the error report. Recently it was discovered that AIX was attempting to bring a HBA port up, then generating two errors. The errors in question which are generated are similar to: FCA_ERR12 INFO: Adapter link in dead state during driver…
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Updating AIX using alt_boot_disk and nim
When updating the OS, and applying multiple updates it may be pertinent to perform the OS upgrades via the NIM server. This will allow you to update the system (and apply additional updates) live. This is done by cloning the rootvg (Bare metal OS) to another DISK, and then performing all of the OS upgrades…
centos7 /boot cleanup
Recently done some work on tweaking the centos7 system to run a newer kernel version. Similar to: https://wiki.mikejung.biz/CentOS_7 However, upon installing a newer kernel and rebooting the system, I discovered the /boot file system had 6MB of free space left. Apparently, time for a cleanup. Here are the steps I used to clean up space,…