Subject: Request for RCA

Reason:

As our communication with customers is mainly done via email, as part of the recruitment process we would like to evaluate written communication. The expected outcome from this exercise is for you to prepare a Root Cause Analysis (RCA) for a system crash. It would ideally include a basic health check of the system, the reasons for the crash, and recommendations to fix this and/or any other evident issue.

For this we have prepared the following simulated request:

Description:

The application system crashed few times today (25th of August 2021) and we would like to know why. Our application team confirmed they didn't do any changes.

Data :

Logs at https://github.com/tomashendrich/SUSE_Interview/raw/main/nts_test-vm_210825_1616.txz

Relevant documentation:

Product Support Lifecycle: https://www.suse.com/lifecycle/

List of SUSE Linux Enterprise Server kernel (version and release date): https://www.suse.com/support/kb/doc/?id=000019587

Holy Supportconfig File: https://www.suse.com/c/holy-supportconfig-file/

Holy Supportconfig File – Analysis: Part 1: https://www.suse.com/c/holy-supportconfig-file-analysis-part-1/

How to tell if the system got rebooted or crashed: https://www.suse.com/support/kb/doc/?id=000020272

Expected necessary time for this is ~60 min.