db2start failing

Just a random hint for today, if you encounter an issue where when you try to start db2 you receive the following error: The solution to this is simple, just enable aio0 by running: chdev -l aio0 -a autoconfig=available -P command or by running the smitty aio command and enabling via smitty.

Unknown gfstype

Here’s another problem I encountered ages ago but figured I’d post about in case someone else encounters the same issue. After mounting an NFS filesystem,  I had run ‘mount’ and noticed the following After seeing this I decided to attempt to unmount the filesystem but I came across the following error: Read more…

TCP/IP Connections Hanging

TCP/IP connections appearing to hang/taking long to establish is a common issue that occurs when an AIX lpar has lost connectivity to the DNS server it is configured to resolve from. When you notice, for instance that you can ssh to an AIX lpar but it takes ~1-2 minutes to Read more…