[Translated from mos] "WARNING: Noclusterinterconnecthasbeenspecified" appears in the alert log of the database instance"

[Translated from mos] "WARNING: Noclusterinterconnecthasbeenspecified" appears in the alert log of the database instance"

"WARNING: No cluster interconnect has been specified" appears in the alert log of the database instance"

Source:
No Interconnect Defined Signalled In Alert. Log (Document ID 359268.1)

Applicable:
Oracle Server-Enterprise Edition-Version: 10.2.0.1 and later [Release: 10.2 and later]
Information in this document applies to any platform.

Symptoms:

When starting the database instance, the alert Log reports an error:

WARNING: No cluster interconnect has been specified. Depending onthe communication driver configured Oracle cluster trafficmay be directed to the public interface of this machine.Oracle recommends that RAC clustered databases be configuredwith a private interconnect for enhanced security andperformance.

Cause:
Clusterware cannot copy the NIC name with. (point)

Run the 'ifcfg iflist' command to obtain the following results:

Public_Vlan 1_165.17.2.xxx 165.17.2.0Private_VLAN254_165.17.254.xxx  165.17.254.0

Note that the NIC name is shown in the output above:

Public_vlan%165.17.2 and Private_vlan254_165.17.254

That is to say, the NIC name has a bit

Solution:
1. Rename the Network Card Name and remove any points in it.
2. Run the oifcfg command to update ocr

a) oifcfg delifc) oifcfg getifd) oifcfg setif -global "name 1 without dots"/ip address:publice) oifcfg setif -global "name 2 without dots"/ipaddress:cluster_interconect

Stop and pay Clusterware and database.
Check that this error does not exist in the database instance