Package IP change : Cause IP conflict on two nodes.
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Overview
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Package IP change cause IP conflict on two nodes.
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Procedures
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In
CNTL file IP of the package has been changed to new IP, as it was done when
package is in running status, prior IP still assigned to NIC. When package
was brought down, prior IP did not have unassigned from the NIC. And same IP was also assigned ON secondary node
via different package. Which cause IP conflict as same IP was assigned on two
node, this cause PROD package to inaccessible state.
[root@Tura0021:/etc/cmcluster]#
#->
cmviewcl -l node
NODE STATUS STATE
Tura0021 up running
Tura0022 up running
[root@Tura0021:/etc/cmcluster]#
[root@Tura0022:/.root]#
#->
netstat -in
Name
Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
lo0
32808 127.0.0.0
127.0.0.1 23868898 0 23868949 0 0
lan1:7
1500 20.36.112.0 20.36.112.107 808 0 0 0 0
lan1:6
1500 20.36.112.0 20.36.112.103 1186789 0 1162700 0 0
lan1:1 1500 20.36.112.0 20.36.113.145
1919331 0 1917524 0 0
lan1:3
1500 20.36.112.0 20.36.113.149 2627101 0 2617485 0 0
lan1:2
1500 20.36.112.0 20.36.113.147 2678980 0 2623301 0 0
lan1:5
1500 20.36.112.0 20.36.112.105 1197775 0 1175237 0 0
lan1:4
1500 20.36.112.0 20.36.113.151 1396843 0 1369293 0 0
lan1
1500 20.36.112.0 20.36.113.235 307890048 0 302886579 0 0
lan0
1500 10.36.114.0 20.36.114.164 35849500 0 10497347 0 0
lan17
1500 192.168.112.0
192.168.112.79 17719295 0 17302734 0 0
lan16* 1500 none none 0 0 0 0 0
[root@Tura0021:/.root/.histdir]#
#->
netstat -in
Name
Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
lo0
32808 127.0.0.0
127.0.0.1 24115683 0 24115712 0 0
lan1:7
1500 20.36.112.0 20.36.113.150 1402689 0 1376721 0 0
lan1:6
1500 20.36.112.0 20.36.112.108 1395 0 8 0 0
lan1:8
1500 20.36.112.0 20.36.113.148 2660671 0 2651440 0 0
lan1:1
1500 20.36.112.0 20.36.113.144 1933784 0 1927575 0 0
lan1:2 1500 20.36.112.0 20.36.113.145
1933784 0 1927575 0 0
lan1:3
1500 20.36.112.0 20.36.112.106 1192875 0 1170483 0 0
lan1:5
1500 20.36.112.0 20.36.112.104 1406872 0 1381184 0 0
lan1:4
1500 20.36.112.0 20.36.113.146 2702740 0 2648657 0
0
lan1
1500 20.36.112.0 20.36.113.234 306120054 0 303611522 0 0
lan0
1500 10.36.114.0 20.36.114.163 35886374 0 10675134 0 0
lan17
1500 192.168.112.0
192.168.112.78 17561143 0 17486780 0 0
lan16*
1500 none none 0 0 0 0 0
[root@Tura0021:/.root/.histdir]#
Mar 14 20:11:09 - Node "Tura0021":
Mounting /dev/vg_dbp0411a/lv_oraarch at /DBP0411/oraarch/PDDB0411
Mar 14 20:11:09 - Node "Tura0021":
Mounting /dev/vg_dbp0411a/lv_admin at /DBP0411/admin/PDDB0411
Mar 14 20:11:09 - Node "Tura0021": Adding IP
address 20.36.113.145 to subnet 20.36.112.0
===========================================
Starting up Database PDDB0411 on
DBP0411...
===========================================
ttytype: couldn't open /dev/tty for
reading
stty: : Not a typewriter
(c)Copyright 1983-2006 Hewlett-Packard
Development Company, L.P.
(c)Copyright 1979, 1980, 1983, 1985-1993
The Regents of the Univ. of California
(c)Copyright 1980, 1984, 1986 Novell,
Inc.
(c)Copyright 1986-2000 Sun Microsystems,
Inc.
SQL> Disconnected from Oracle Database
11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining
and Real Application Testing options
logout
Mar 14 21:42:49 - Node "Tura0021":
Remove IP address 20.36.112.103 from subnet 20.36.112.0
cmmodnet: IP address 20.36.112.103 is not configured on
the subnet.
cmmodnet: Use the "netstat -in" command to
check the configured IP addresses
for the subnet.
ERROR: Function
remove_ip_address
ERROR: Failed to remove 20.36.112.103
Mar 14 21:42:49 - Node "Tura0021":
Unmounting filesystem on /dev/vg_dbp0411a/lv_admin
To release the IP from the
server Tura0021.
# ifconfig lan1:2 0.0.0.0
#This
does not immediately solve the problem immediately as cache of device has not
been updated with in info
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Keywords
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IP, NETSTAT, IP, conflict.
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