Infiniband Switch upgrade precheck using patchmanager fails for FQN entry in /etc/hosts

Asset ID:	1-72-1626161.1
Update Date:	2015-04-28
Keywords:

Solution Type Problem Resolution Sure

Solution 1626161.1 : Infiniband Switch upgrade precheck using patchmanager fails for FQN entry in /etc/hosts

Applies to:

Exadata X4-2 Hardware - Version All Versions to All Versions [Release All Releases]
Exadata X3-2 Full Rack - Version All Versions to All Versions [Release All Releases]
Oracle Exadata Hardware - Version 11.2.3.1.1 and later
Information in this document applies to any platform.
NOTE:
This document is only accurate for release 1.3.3-2 of the IB switch.
Newer versions will not support FQDN, please see:
Ibswitches Doesn't Show Fully Qualified Hostname (Doc ID 1634077.1)

Symptoms

Pre check for IB switch upgrade fails.

#patchmgr -ibswitches -upgrade -ibswitch_precheck

.
[FAIL ] Entry in /etc/hosts for FQN b02sw-ib3.XXX.XXXXX.com does not match b02sw-ib3. ACTION: Modify and correct FQN entry in /etc/hosts
.
.
[FAIL ] Pre-update validation on b02sw-ib3

Cause

The pre-check expects the following criteria to be met:

1. #hostname command should return the fully qualified hostname

eg: b02sw-ib3.XXXXX.com

2. The entries for the server in /etc/hosts (on IB switches) should be in the format "<ip_address> <fully_qualified_hostname> <short_hostname>"

Solution

1. If the hostname on IB switch is set to short hostname, then use the hostname command to set the fully qualified hostname.

#hostname b02sw-ib3.XXXXX.com

** Edit /etc/sysconfig/network and ensure that "HOSTNAME" is also set the fully qualified hostname, so that the changes are persistent across reboots.

2. Correct the entries in the /etc/hosts to the correct format expected by the script.

eg:10.1.23.456 b02sw-ib2.XXXXX.com b02sw-ib2

3. Re-run the pre-check

References

<BUG:18244501> - PRE-UPGRADE VALIDATION CHECK ON INFINIBAND SWITCH FAILS ON /ETC/HOSTS CHECK

Attachments

This solution has no attachment