IBM AIX Administrator case studies
IBM AIX Administrator · Put your knowledge to work in context.
The IBM Certified Administrator - AIX 7.2 credential is presented by IBM Training as a professional certification aimed at administrators who run IBM Power systems on the AIX 7.2 operating system. It is intended for practitioners who handle day-to-day system administration on AIX: workload and device management, storage and filesystem layout, user and security administration, backup and recovery, and performance troubleshooting. The IBM AIX Administrator case studies are 5 cases and about 4,158 words.
1Paging Space Pressure on a 64 GB Database LPAR
A production LPAR running AIX 7.2 with 64 GB of memory has logged SIGDANGER twice in the past week. Two paging spaces exist: hd6 (16 GB) in rootvg and paging00 (16 GB) in datavg.
860 words, about 4 min2Mirrored rootvg Will Not Vary On After a LUN Loss
An AIX 7.2 LPAR has rootvg mirrored across two 300 GB SAN LUNs, hdisk0 and hdisk1, created with mirrorvg using default options. bootlist -m normal lists both disks and bosboot has been run on each.
789 words, about 4 min3/var Reports Full While du Says It Is Not
At 03:05 monitoring pages: /var on an AIX 7.2 application server is at 100 percent. It is a JFS2 filesystem, 40 GB, on a dedicated logical volume, with no snapshot configured.
843 words, about 4 min4Planning a nimadm Migration With No Free Disk
A NIM master runs AIX 7.2 TL5 with a 7200-05 lpp source and a matching SPOT. A business LPAR, configured as a NIM client at AIX 7.2 TL3, must move to TL5 inside a six-hour window; the application can tolerate only about 30 minutes of downtime for the final reboot.
813 words, about 4 min5A Failed Fibre Path and a Missing LUN
An AIX 7.2 LPAR has two FC adapters, fcs0 and fcs1, each zoned through a separate SAN switch to both controllers of a mid-range array. datavg contains four LUNs.
853 words, about 4 min