IB SWITCH FW downgrade from 2.1.8-1 to 2.1.6-2 DNS configuration disappeared

Asset ID:	1-72-2284156.1
Update Date:	2017-07-27
Keywords:

Solution Type Problem Resolution Sure

Solution 2284156.1 : IB SWITCH FW downgrade from 2.1.8-1 to 2.1.6-2 DNS configuration disappeared

Applies to:

Exadata X4-2 Hardware - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

IB switches downgrade firmware from 2.1.8-1 to 2.1.6-2.

Downgrade should preserve the existing configuration.But after the downgrade, the nameservers in /etc/resolv.conf have been deleted.

Changes

IB SWITCH firmware downgrade from 2.1.8-1 to 2.1.6-2.

Cause

This issue was investigated in the following INTERNAL bug.

Bug 24837124 - 12.1.2.3.3 ROLLBACK FROM 2.1.8-1 TO 2.1.6-2 REMOVES NAMESERVER ON IB SWITCH

Some config files like resolv.conf which are missed to be preserved on downgrade from 2.1.8 to 2.1.6.

Solution

The workaround is to manually add nameservers.

References

<BUG:24837124> - 12.1.2.3.3 ROLLBACK FROM 2.1.8-1 TO 2.1.6-2 REMOVES NAMESERVER ON IB SWITCH

Attachments

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