Infiniband Switch upgrade precheck using patchmanager fails with "Mismatch between address in ifcfg-eth0 and /etc/hosts in sw-ib3"

Asset ID:	1-72-1921887.1
Update Date:	2016-05-02
Keywords:

Solution Type Problem Resolution Sure

Solution 1921887.1 : Infiniband Switch upgrade precheck using patchmanager fails with "Mismatch between address in ifcfg-eth0 and /etc/hosts in sw-ib3"

Applies to:

Exadata Database Machine X2-2 Hardware - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

upgradeIBSwitch.log shows the following: [1409248149][2014-08-28 21:50:13 +0400][FAIL][/u01/patches/CELL/patch_11.2.3.3.0.131014.1/upgradeIBSwitch.sh][upgradeIBSwitch_print][] Mismatch between address in ifcfg-eth[0,1] and /etc/hosts in sw-ib3. ACTION: Correct entry in /etc/sysconfig/network-scripts/ifcfg-eth[0,1] or /etc/hosts.

sw-ib3#cat /etc/hosts:

# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
10.43.213.121 sw-ib3.test.com sw-ib3<<<<<<<<IP does not match ifcfg-eth0

sw-ib3# cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=static
ONBOOT=yes
TYPE=Ethernet
IPADDR=10.43.213.131<<<<<<<<<<<<IP does not match /etc/hosts
NETMASK=255.255.255.0
GATEWAY=10.43.213.1
HWADDR=00:E0:4B:42:23:2F
NETWORK=10.43.213.0

Cause

The IP address defined in the /etc/hosts file does not match the IP address defined in /etc/sysconfig/network-scripts/ifcfg-eth0

Solution

Confirm the proper IP address from the Customer and insure that both /etc/hosts and /etc/sysconfig/network-scripts/ifcfg-eth0 have the same IP address by editing the appropriate file.

sw-ib3#cat /etc/hosts:

# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
10.43.213.131 sw-ib3.test.com sw-ib3 <<<<<<<<modified with proper IP so it will match ifcfg-eth0

sw-ib3# cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=static
ONBOOT=yes
TYPE=Ethernet
IPADDR=10.43.213.131<<<<<<<<<<<<IP now matches modified /etc/hosts
NETMASK=255.255.255.0
GATEWAY=10.43.213.1
HWADDR=00:E0:4B:42:23:2F
NETWORK=10.43.213.0

Re-run the pre-check

References

<NOTE:1626161.1> - Infiniband Switch upgrade precheck using patchmanager fails for FQN entry in /etc/hosts

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