Basic Operating System Server Health Check

Overview

There may be cases where you need to verify the system's health, usually after a hardware replacement. This article provides the steps to do a basic Operating System health check.

Process

Follow the steps below as the root user to verify that the Operating System (OS) is operating correctly:

1. Check the processes load.
   
   prstat -c
   
   
2. Check the free disk space on the RAID.
   
   df -k
   
   
3. Check for any OS core files.
   
   ls -l /var/crash/*
   
   
4. Check when the system was last rebooted.
   
   uptime
   
   
5. Observe there are no SCSI errors or related logs.
   
   grep -i scsi /var/adm/messages
   
   
6. Observe there are no CPU errors or related logs.
   
   grep -i cpu /var/adm/messages
   
   
7. Observe there are no OS errors or related logs.
   
   grep -i panic /var/adm/messages
   
   

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