Weekend Learning: Troubleshooting Essbase Agent when hanging

Did you know there are some step by step instructions for how to troubleshoot the Essbase Agent when it is hanging?  The note "Troubleshooting Essbase Agent Hangs on UNIX Systems" on My Oracle Support via document ID 1107095.1 gives you the steps using the pstack and netstat commands!  On top of it all, they give you the other information needed to open an SR when you encounter this issue which may clue you in on the application log files you need to be monitoring in the future.

Exadata cell hangs running patchmgr

Coming from a new unpublished bug, while running the patchmgr application to start patching Exadata it is possible to encounter a problem with it hanging on a ":Working: DO:" task output.  Drilling down it appears netstat might be running on the node in question, but for the full details visit the article "Exadata Cell Pre-upgrade Hangs" on My Oracle Support via note ID 1926228.1!