AIX

Performance & Troubleshooting Cases

• AIX Manual Repair of Dirty JFS2 Filesystems
• AIX Still Issues Single-Path Reservation When ODM is Set to no_reserve
• Analysis of AIX System Hang, HMC and SSH Login Failures
• Analysis of Causes for AIX System CPU Usage at 100%
• NMON Analyser User Guide (V3.4)
• AIX Memory Usage Analysis (Who is Using Memory)

PowerHA High Availability

• AIX HACMP Tuning Case Study

System Configuration & Administration

• AIX Filesystem fsck Check and Repair
• AIX Multipath Status Check and Path Re-enabling

Linux

Issues & Cases

• Why multipath marked a SAN LUN subpath as active/faulty where as it's visible to system?
• Red Hat and CentOS Installation and Troubleshooting FAQ
• Legacy SUSE Linux Troubleshooting and Kernel-Version Tables
• RHEL: Divide Error in intel_pstate_timer_func()
• RHEL 6.5: Unexpected Reboots Associated with freeipmi Watchdog
• AMD GPU Servers: IOMMU / ACS Effects on PCIe Peer-to-Peer Traffic

Windows

Issues & Cases

• Windows Server Installation and Troubleshooting FAQ
• Windows Server 2008 R2: WannaCry / EternalBlue-Related Crash Case

VMware & XenServer

• VMware ESXi Installation, Drivers and Troubleshooting FAQ
• VMware vSAN: Replacing Disks

Oracle

• Oracle 11gR2 RAC orarootagent Memory Leak Causes Swap Space Exhaustion

Exadata Database Machine

• Oracle Exadata Daily Maintenance: Emergency Response Plan