ip scan utility

Each node in various IP-PUBLIC-VIP-Private-scan ip 1, PUBLIC, and VIPOracle RAC in RAC has a virtual IP address (VIP), which is in the same network segment as the public ip. The vip is attached to the public network interface. The main difference between VIP and public

Tags: ASE admin tnsping CLU Configuration implements the Connect node cannotOracle 11G R2 RAC adds the scan IP feature, Before 11.2, the client link to the database with the VIP, if your cluster has 4 nodes, then the clients Tnsnames.ora in the corresponding has four host VIP of a connection string, if the cluster added a node, then for each connection database client needs to modify this Tnsnames.ora.After

/bin/srvctl start vip-n HT-D01 $CRS _home/bin/srvctl start vip-n ht-d02 ifconfig-a$crs_home/bin/crsctl stat res-t stop scan monitoring and scan service $crs_home/bin/ Srvctl Stop Scan_listener$crs_home/bin/srvctl Stop scan modifies scan ip$crs_home/bin/srvctl modify

-scan.racnode.com/192.168.3.233SCAN VIP name:scan3, IP:/racnode-cluster-scan.racnode.com/192.168.3.232Client Tnsnames.ora ConfigurationRACDB =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP) (HOST = racnode-cluster-scan.racnode.com) (PORT = 1521))(Connect_data =(SERVER = dedicated)(service_name = racdb) {))Tnsping TestThe client network configuration points to the DNS server address 192.168.3.32C:\Documents and Settings\administrator>tnsping racdbTNS Ping

Reference: http://www.luocs.com/archives/281.html Http://www.oracle.com/technetwork/products/clustering/overview/scan-129069.pdf These days to do 11g RAC experiment, only to discover the concept of Oracle 11g scan IP, at the time of installation, directly in the host file added a scan corresponding resolution, after th

Oracle 11g modifies the rac scan ip address in 11gR2 and introduces the SCAN (Single Client Access Name) feature. The advantage of this feature is that between the database and the Client, A virtual service layer is added, that is, the scan ip address and

In Oracle 11gR2, the features of the scan (single clientaccess Name) are introduced. Scan is a domain name, can resolve at least 1 IP, up to 3 scan IP, the client can access the database through this scan name, in addition the

In some cases, because it is the C/s architecture, from the previous stand-alone system to the current 11.2 of the RAC, if the client IP address to modify the workload is too large, but also unrealistic, generally recommended directly modify the scan IP address and before, so as to achieve direct business access scan

Linux systems use Arp-scan to check for IP address conflictsIf the IP address planning is not good, even if there is a unified IP address will make mistakes! Recommended server IP address use to register details, the last computer room batch deployment server, will have been

Resolving Oracle clients can connect to 11g RAC VIP, but cannot connect scan IP issues Some time ago configured a set of HP ux11.31 oracle11g R2 RAC, after the configuration is completed, the client can connect VIP and Scan IP connection database, remote clients can only connect VIP access to the database, through the

Create a Windows application and use multiple threads to scan a computer in a CIDR block. Obtain the DNS domain name based on the IP address of the computer. If the computer is not online, a prompt is returned. The initial interface is required. After you enter the IP address range, click scan to automatically display

GRID and database version: 11.2.0.1 OS: Solaris 5.10 Symptom: an error is reported when the client connects to the scan ip address. Sqlplus system/Oracle@210.10.4.5: 1521/pdpt ORA-12545: the connection failed because the target host or object does not exist However, the scan ip address can be connected between two data

// Reference SpaceUsing system. net;Using system. Threading; Private void button#click (Object sender, system. eventargs E){// Thread class: Creates and controls threads.Thread thscan = new thread (New threadstart (scantarget ));// Thread. Start method: Start the threadThscan. Start ();}Private void scantarget (){String strstartipaddress = This. textbox1.text + "." + textbox2.text + "." + textbox3.text + "." + textbox4.text;String strendipaddress = This. textbox5.text + "." + textbox6.text + "."

How to Understand oracle 11g scan ipBefore 11.2, the client should use vip when connecting to the database. If your cluster has four nodes, the client's tnsnames. in ora, there should be a connection string of four vip hosts. If a node is added to the cluster, You need to modify the tnsnames for each client connected to the database. ora. After scan is introduced, it facilitates an interface for client con

Using Python to scan Active ip addresses in a LAN This article mainly introduces how to use Python to scan Active ip addresses in the LAN (SCAN online computers). This article provides the implementation code directly. For more information, see Intranet hosts are automatical

Bulk scan IP Port, the result of exporting IP-named files based on scanned IP.Assume that the contents of the 1.txt file are127.0.0.1192.168.1.1Then we get the file content IP to scanwindow. bat version : 1.txt for file name, modify according to requirement: C:\nmap\nmap-6.46\nmap.exe is the path of Na

Tags: Oracle RAC ins-40922 An error occurred when installing rac11.2.0.4 on a VM today."INS-40922 invalid scan name-unresolvable to IP address"In fact, this problem should not be very common. Generally, for those who have good English, the problem has been solved, however, it is inevitable that there are new DBAs who are not very good at English and are a little careless like me. I just saw many people on