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Servers lacked maintenance, here's my to-do list

 
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Operating Systems Solaris Servers lacked maintenance, here's my to-do list
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Old 01-06-2013
Servers lacked maintenance, here's my to-do list
I'll be taking over administration of a rack of Solaris machines that haven't had an admin for the last 9 months. Prior to that they had limited maintenance. I understand there are a few tickets that will need addressed, but I won't have the details for a few days on them. Regardless, I'm trying to compile a to-do list. What would you add to this list?
  1. Check for hardware failures, disks, fans, psus, etc... repair as needed
  2. Ensure backups are being taken and are restorable
  3. Snapshot filesystems
  4. Check who has permissions to access these servers, internally and externally. Verify they all should have access.
  5. Reset the root passwords, and check who else may have root access via sudo, powerbroker (if used), or uids.
  6. Check all installed packages for exploits, update as needed
  7. Verify you have account access to the SC/SP/ALOM/ILOM over serial console. If I don't have access, look into resetting the password.
  8. Setup monitoring providing me with immediate access of issues.
  9. Identify critical apps, machines, etc... and prioritize them for support
  10. Acquire Oracle Support agreement details so if\when I need them, I have ready access.
  11. Check the cron tables on each system as well, just to see what the prior admins have tried to automate (system admin related or application related).
  12. Check the messages file on each system as well to catch any other issues that may have been written via syslog.
  13. Review logs specifically with a view to what has happened before\after reboots to return the server to the expected state.
  14. Check /var/crash/<hostname> to see if/when the last time the server may have panicked.
  15. Check if startup and shutdown of applications is implemented well and if it is automatic or manual
  16. Check for possible dependencies on other systems. Track ingoing and outgoing traffic if needed to check dependencies.
  17. Check external hardware, for example NAS / SAN Disk Arrays, Network and SAN-switches, UPS, Airco, etc...
  18. Try to track documentation and if possible reports of past changes and logs, if not available, see if you can interview old admin.
  19. Acquire a test system so I can try stuff out.
  20. Make a runbook.

What would you add\change\remove on this list? Thanks in advance for your help.
Last edited by DustinT; 01-07-2013 at 09:36 AM.. Reason: Added prioritize. Added Scrutinize and Bryan's tips. Attempted to prioritize.
 
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