# The Network Interface Name of the current system is eth2, eth5 eth2 link encap: Ethernet hwaddr 00: 0C: 29: 4A: 66: 28 Inet ADDR: 192.168.7.51 bcast: 192.168.7.255 mask: 255.255.255.0 eth5 link encap: Ethernet hwaddr 00: 0C: 29: 4A: 66: 32 Inet ADDR: 10.10.7.51 bcast: 10.10.7.255 mask: 255.255.255.0 # view the cluster network layer configuration on the node bo2dbp, the network interface name is the same as the actual Nic name. Oracle @ bo2dbp: ~> Oifcfg iflist eth2 192.168.7.0 eth5 10.10.7.0
network components of each node, including 2 physical network adapters and 3 IP addresses. There is only one command: Oifcfg.
The format of the OIFCFG command is as follows:
Usage: oifcfg iflist [-P [-N]]Oifcfg setif {-node Oifcfg getif [-node Oifcfg delif [-node oifcfg [-help]
The OIFCTG command is used to define and modify the network card properties required by the Oracle cluster, including the network segment address of the network card, the subn
Modify the RAC address in Oracle 10 GB
This test is based on Oracle 10.2.0.5
SQL * Plus: Release 10.2.0.5.0-Production on Tue Jul 29 20:45:16 2014
Copyright (c) 1982,201 0, Oracle. All Rights Reserved.
Connected:Oracle Database 10g Enterprise Edition Release 10.2.0.5.0-64bit ProductionWith the Partitioning, Real Application Clusters, OLAP, Data MiningAnd Real Application Testing options
SQL>
First, let's take a look at the commands used.
[Root @ node1 bin] #./oifcfg-help
Name:Oifcfg-Oracle Inter
This test is based on Oracle10.2.0.5SQL * Plus: Release10.2.0.5.0
This test is based on Oracle 10.2.0.5 SQL * Plus: Release 10.2.0.5.0-Production on Tue Jul 29 20:45:16 2014 Copyright (c) 1982, 20
This test is based on Oracle 10.2.0.5
SQL * Plus: Release 10.2.0.5.0-Production on Tue Jul 29 20:45:16 2014
Copyright (c) 1982,201 0, Oracle. All Rights Reserved.
Connected:Oracle Database 10g Enterprise Edition Release 10.2.0.5.0-64bit ProductionWith the Partitioning, Real Application Clusters, O
ID is changed, you must modify the content in OCR synchronously, otherwise the CRSD process will not start properly. In my case, the NIC name will change, so I will follow the steps below:
1. Back up the GPnP profile at two nodes.Su-gridCp $ Oracle_HOME/gpnp/jqp750303/profiles/peer/profile. xml $ ORACLE_HOME/gpnp/jqp750303/profiles/peer/profile. xml.0310
2. Back up the NIC configuration in the current GI, as long as you run it on a node once.Su-gridOifcfg g
IP addresses in these attributes, but there are two interface types: public and private. The former indicates that the interface is used for external communication, for Oracle Net and VIP addresses, and the latter indicates that the interface is used for private networks.
Interface Configuration methods include global and node-specific. The former indicates that the configuration information of all nodes in the cluster is the same, that is, the configuration of all nodes is symmetric. The lat
(user1, Key: ' Age ')Let emails = Getvaluebykey (user1, key: "Emails")Let Tel = getvaluebykey (user1, Key: "Tel")Print (name, nickname, age, emails, tel)Of course, you can also make type judgments about the values you getIf name is Nsnull {Print ("Name this property does not exist")}else if (name as?) Anyobject) = = Nil {Print ("Name This property is an optional type and is nil")}else If name is String {Print ("Name" is the property string type with
----------------------------------------------------------------//Private Function _set ($nums, $per, $preNow, $barNum, $now, $url) {Set the total number of recordsif ($nums > 0) {$this->_totalnums = $nums;}Set the number of records to display per pageif ($per > 0) {$this->_perpage = $per;}Set the number of pages to display before the current pageif ($preNow > 0) {$this->_prenow = $preNow;}Set the number of page-bar linksif ($barNum > 0) {$this->_barnum = $barNum;}Set Current pageif (empty ($now
DescriptionThe Zabbix monitoring server is already configured, and the switch is now monitored using Zabbix.Specific operation:The following operations are performed on the monitored switch, where Cisco switches are the example.First, log on to the Cisco switch and turn on the SNMP serviceNote: Log in to switch privileged configuration mode using Telnet or emulation terminalEnable #切换到特权模式Configure Terminal #进入全局配置模式Snmp-server Community public ro #打开交换机snmp服务, set community name to public, read
modify Nic settings. oifconfig can be used to set and view Nic usage methods.
Note: If the modified CIDR block is the same, you can skip this step.
-- View the current configuration:
[Root @ rac2 raw] # oifcfg getif-global
Eth0 192.168.0.0 global public
Eth1 10.10.10.0 global cluster_interconnect
-- Delete the current configuration
[Root @ rac2 raw] # oifcfg delif-global eth0
[Root @ rac2 raw] # oifcfg delif-global eth1
[Root @ rac2 raw] # oifcfg
Description
The Zabbix monitoring server is already configured to monitor the switch using Zabbix.
Specific actions:
The following operations are performed on the monitored switches, for example,
Cisco switches.
First, log on to the Cisco switch and turn on the SNMP service
Note: Log on to switch privileged configuration mode using Telnet or emulation terminal
Enable #切换到特权模式
Configure Terminal #进入全局配置模式
Sn
Description
The Zabbix monitoring server is already configured to monitor the switch using Zabbix.
Specific actions:
The following operations are performed on the monitored switches, for example, Cisco switches.
First, log on to the Cisco switch and turn on the SNMP service
Note: Log on to switch privileged configuration mode using Telnet or emulation terminal
Enable #切换到特权模式
Configure Terminal #进入全局配置模式
Snmp-server Community public ro #打开交换机snmp服务, set community name to public, read
][ 1800] {2:52141:473} sqlstmt =alter SYSTEM SET local_listener= ' (description= (address_list= (address= (protocol= TCP) (host=200.31.155.225) (port=1521))) ' Scope=memory sid= ' rmbtodb1 '/* DB agent *//* {2:52141:473} */2014-12-10 22:48:13.011: [usrthrd][1800] {2:52141:473} ora-03113:end-of-file on communication channelProcess id:142870 60Session id:126 Serial number:1 found the database crash when setting up the Local_listener. At this point the problem is already very obvious, certainly is
Modify ip address 1 in Oracle RAC, disable crs_stop-all2, modify Information 3 and www.2cto.com a in/etc/hosts, and modify public ip. B. Modify the CIDR Block mask -- view the current configuration: [root @ raw1 bin] #. /oifcfg getif-globaleth0 10.85.10.0 global publiceth1 192.168.1.0 global cluster_interconnect -- delete the current configuration [root @ raw1 bin] #. /oifcfg delif-global eth0 [root @ raw1 bin] #. /oifcfg delif-global eth1 [root @ raw
, first back up the original configuration file.
Use a grid user to back up the $ GRID_HOME/grid/gpnp/noden/profiles/peer/profile. xml file on two nodes:
Cd/u01/app/11.2.0/grid/gpnp/noden/profiles/peer
Cp profile. xml profile. xml. bk
[Root @ node2 peer] # ls
Pending. xml profile_orig.xml profile. xml profile. xml. bk,
View the current Private Network Configuration:
Node2-> oifcfg getif
Em1 192.168.10.0 global public
Em3 10.10.10.0 global cluster_inte
Change the Oracle cluster NIC (ChangingaNetworkInterface)
Change the Oracle cluster NIC (Changing a Network Interface)
Change the Oracle cluster NIC (Changing a Network Interface)
If the NIC name, ip address, gateway, and subnet mask remain unchanged before and after the NIC, no additional operations are required at the cluster level!
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the primary slave based on the/proc/NET/Bonding/bond0 information, it can be found that the Ping will not be interrupted when a network card is down.
After bond0 is configured, the next step is to configure it as the private Nic of RAC.
To avoid configuration failure, first back up the original configuration file.
Use a grid user to back up the $ grid_home/GRID/GPNP/noden/profiles/peer/profile. xml file on two nodes:
CD/u01/APP/11.2.0/GRID/GPNP/noden/profiles/peer
CP profile. xml profile. xml.
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