11gR2: CVU needs SCAN Listeners’ Manual Startup During Grid-Infrastructure Configuration

During configuration phase of Grid Infrastructure for cluster, CVU failed while performing post-checks.
Following message is displaced in the Installation Log file:

<span style="font-size: small;"><span style="font-family: arial,helvetica,sans-serif;">Checking Single Client Access Name (SCAN)...</span></span>

<span style="font-size: small;"><span style="font-family: arial,helvetica,sans-serif;">WARNING:
<strong>PRVF-5056</strong> : Scan Listener "LISTENER" not running</span></span>

<span style="font-size: small;"><span style="font-family: arial,helvetica,sans-serif;">Checking name resolution setup for "scan-test.abc.com"...</span></span>

<span style="font-size: small;"><span style="font-family: arial,helvetica,sans-serif;">Verification of SCAN VIP and Listener setup failed</span></span>

The LISTENER from Grid Infrastructure home is running fine:

$ ps -eaf | grep tns

<span style="font-size: small;"><span style="font-family: arial,helvetica,sans-serif;">/u01/app/grid_11.2/GridInfra/bin/tnslsnr LISTENER -inherit</span></span>

Same error is observerd by manually runnig CVU as:

$ cluvfy comp scan

<span style="font-size: small;"><span style="font-family: arial,helvetica,sans-serif;">Verifying scan
Checking Single Client Access Name (SCAN)...</span></span>

<span style="font-size: small;"><span style="font-family: arial,helvetica,sans-serif;">WARNING:
<strong>PRVF-5056 </strong>: Scan Listener "LISTENER" not running</span></span>

<span style="font-size: small;"><span style="font-family: arial,helvetica,sans-serif;">Checking name resolution setup for "scan-test.abc.com"...
Verification of SCAN VIP and Listener setup failed
Verification of scan was unsuccessful on all the specified nodes.</span></span>

Checking the status of SCAN using SRVCTL gives correct results:

$ srvctl config scan

SCAN name: scan-test.abc.com, Network: 1/165.101.124.0/255.255.254.0/eth0
<span style="font-size: small;">SCAN VIP name: scan1, IP: /scan-test.abc.com/165.101.125.204
SCAN VIP name: scan2, IP: /scan-test.abc.com/165.101.125.235
SCAN VIP name: scan3, IP: /scan-test.abc.com/165.101.125.180</span>

Which shows that the SCAN is configured properly.

When I tried to start the SCAN Listener manually as:

$ srvctl start scan_listener

It showed the following results:

node1:
====

<span style="font-size: small;">oracle 379 1 0 07:53 ? 00:00:00 /u01/app/grid_11.2/GridInfra/bin/tnslsnr LISTENER_SCAN1 -inherit
oracle 401 1 0 07:53 ? 00:00:00 /u01/app/grid_11.2/GridInfra/bin/tnslsnr LISTENER_SCAN3 -inherit</span>

node2:
====

<span style="font-size: small;"><span style="font-family: arial,helvetica,sans-serif;">oracle 11726 1 0 07:53 ? 00:00:00 /u01/app/grid_11.2/GridInfra/bin/tnslsnr LISTENER_SCAN2 -inherit</span></span>

$ srvctl config scan_listener

<span style="font-size: small;">SCAN Listener LISTENER_SCAN1 exists. Port: TCP:1521
SCAN Listener LISTENER_SCAN2 exists. Port: TCP:1521
SCAN Listener LISTENER_SCAN3 exists. Port: TCP:1521</span>

After this, I clicked at the retry button for the CVU post checks and this time it succeeded.
Though it worked fine after this, but still not sure why I have to manually start the SCAN-Listeners !!!!!

Cheers!!!!

2 thoughts on “11gR2: CVU needs SCAN Listeners’ Manual Startup During Grid-Infrastructure Configuration

  1. Thanks for this tip. What OS are you running? I’m wondering if this is specific to certain OS kernels. I completed this install and didn’t run into this problem. However, I ran into to other problems while installing on Sun servers using Solaris 10.

    One was the need to use the “-ignoreInternalDriverError” switch in the runInstaller command (Metalink article 970166.1). This was the biggest hurdle to a smooth install.

    Another problem was that you have to run the updnodelist.pl script right after the infrastructure installation completes. This is necessary to have the database software installer see the servers as belonging to a valid cluster (Bug 9190547).

    I just wanted to pass those along to help other DBAs out. It’s hard to find information on these two problems. I hope this helps someone else out.

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