Question for using ORACLE with SOLARIS

Hi Experts,
I have worked Oracle with Linux in one of my projects 2yrs back and i was just a developer, used to write SQL Query, Creating Table and Objects.
Now i got a question from TL which is
Tell me about consequences for using Oracle with Solaris?
I am not worked ORACLE with SOLARIS, Can some one give me the answer for this question with
1. Difference between ORACLE with LINUX and ORACLE with SOLARIS.
2. Advantages and Disadvantages Between ORACLE with LINUX and ORACLE with SOLARIS.
Thanks,
MuraliDharan V

Hi MuraliDharan V,
It would had been better if you had searched first;
Here is one
Advantage for Linux64-bit Versus Solaris-x86_64 OS in RAC
And beside that your question is incomplete:
-What Oracle? Database, etc
-Which Version? 9i, 10g, etc
Aside from that a simple search on google might have answered your question as well.
But I think there is some new trend of dumping questions here before searching.
Ex Senior DBA

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Reading the newsgroup I saw that many of us encountered the problems
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In this case BEA recommends to use dangerous
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Introduction
============
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in depth of Oracle driver the casting
to class oracle.jdbc.driver.OracleConnection
(not to interface oracle.jdbc.OracleConnection)
is performed.
Someone can say that this is bug or pure desing.
Weblogic pooled connection provide dynamic
implementation for all public interfaces
which real physical (wrapped) connection object implements.
Great feature!
But I guess that all interface methods implemented
by simple call-delegation to physical (wrapped) connection object.
In case of oracle.jdbc.OracleConnection interface
this approach doesn't work for at least one its method:
public OracleConnection unwrap()
WLS pooled connection shoudn't implement this method by
delegation to physical connection object BUT should
return physical connection object itself!
// Wrong implementation of unwrap()
// delegation is used
public OracleConnection unwrap() {
return physicalConnection.unwrap();
// Right implementation of unwrap()
// physical connection returned
public OracleConnection unwrap() {
return physicalConnection;
Workaround
==========
1. Develop your own OracleConnection wrapper class:
import oracle.jdbc.OracleConnection;
import weblogic.jdbc.extensions.WLConnection;
public class MyOracleConnectionImpl implements OracleConnection {
private OracleConnection con;
public MyOracleConnectionImpl(OracleConnection connection)
throws SQLException
this.con = connection;
public OracleConnection unwrap() {
return (OracleConnection)
((WLConnection)con).getVendorConnection();
/* Implement all other methods by delegation to con object */
2. Don't get Connections directly from DataSource --
develop your own simple (may be static) utility
class which retrives Connections from dataSource
and returns them wrapped into your MyOracleConnectionImpl
to your code from some method:
puclic abstract class MyConnectionSource {
public static Connection getConnection() {
Connection con = // get it from DataSource
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to definition of your JDBCConnectionPool within config.xml
You may do it because of you `safely` use vendorConnection --
you don't expose it to application code.
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Example:
Connection con = MyConnectionSource.getConnection;
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Best regards,
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Hello Eugene Voytitsky,
Thanks Eugene Voytitsky for your idea
I have tried the solution suggested by You, but it did not work.
It still throws ClassCastException.
I am sorry for posting the whole code of two classes below.
I did this to give you more clarity.
I am also indicating the place where the exception was thrown..
Please let me know if I am doing something wrong.
OracleConnection Wrapper class
package ejbTesting;
// sql imports
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Statement;
// util imports
import java.util.Map;
import java.util.Properties;
// imports from Oracle Driver Classes
import oracle.jdbc.OracleConnection;
import oracle.jdbc.OracleOCIFailover;
import oracle.jdbc.OracleSavepoint;
// import from Weblogic extensions
import weblogic.jdbc.extensions.WLConnection;
public class WeblogicConnectionWrapper implements OracleConnection
     // oracle connection object
     private OracleConnection connection;
     public WeblogicConnectionWrapper (OracleConnection orclConnection)
          try
               this.connection = orclConnection;
          catch(Exception unexpected )
               unexpected.printStackTrace();
     public OracleConnection unwrap()
          try
          // The datasource returns a weblogic.jdbc.pool.Connection
          // This needs to be type casted to weblogic.jdbc.extensions.WLConnection
          // Only this weblogic.jdbc.extensions.WLConnection CAN BE type casted
          // to OracleConnection
     return (OracleConnection) ((WLConnection) connection).getVendorConnection();
     catch(Exception sqlException )
          sqlException.printStackTrace ();
          return null;
     /* Implement all other methods by delegation to connection object */
public Connection _getPC()
return connection._getPC();
public void archive(int i, int j, String s)
throws SQLException
connection.archive(i, j, s);
public void assertComplete()
throws SQLException
connection.assertComplete();
public void clearWarnings()
throws SQLException
connection.clearWarnings();
public void close()
throws SQLException
connection.close();
public void commit()
throws SQLException
connection.commit();
public Statement createStatement()
throws SQLException
return connection.createStatement();
public Statement createStatement(int i, int j)
throws SQLException
return connection.createStatement(i, j);
public boolean getAutoClose()
throws SQLException
return connection.getAutoClose();
public boolean getAutoCommit()
throws SQLException
return connection.getAutoCommit();
public CallableStatement getCallWithKey(String s)
throws SQLException
return connection.getCallWithKey(s);
public String getCatalog()
throws SQLException
return connection.getCatalog();
public boolean getCreateStatementAsRefCursor()
return connection.getCreateStatementAsRefCursor();
public int getDefaultExecuteBatch()
return connection.getDefaultExecuteBatch();
public int getDefaultRowPrefetch()
return connection.getDefaultRowPrefetch();
public Object getDescriptor(String s)
return connection.getDescriptor(s);
public boolean getExplicitCachingEnabled()
throws SQLException
return connection.getExplicitCachingEnabled();
public boolean getImplicitCachingEnabled()
throws SQLException
return connection.getImplicitCachingEnabled();
public boolean getIncludeSynonyms()
return connection.getIncludeSynonyms();
public Object getJavaObject(String s)
throws SQLException
return connection.getJavaObject(s);
public DatabaseMetaData getMetaData()
throws SQLException
return connection.getMetaData();
public Properties getProperties()
return connection.getProperties();
public boolean getRemarksReporting()
return connection.getRemarksReporting();
public boolean getRestrictGetTables()
return connection.getRestrictGetTables();
public String getSQLType(Object obj)
throws SQLException
return connection.getSQLType(obj);
public String getSessionTimeZone()
return connection.getSessionTimeZone();
public int getStatementCacheSize()
throws SQLException
return connection.getStatementCacheSize();
public PreparedStatement getStatementWithKey(String s)
throws SQLException
return connection.getStatementWithKey(s);
public int getStmtCacheSize()
return connection.getStmtCacheSize();
public short getStructAttrCsId()
throws SQLException
return connection.getStructAttrCsId();
public boolean getSynchronousMode()
return connection.getSynchronousMode();
public int getTransactionIsolation()
throws SQLException
return connection.getTransactionIsolation();
public Map getTypeMap()
throws SQLException
return connection.getTypeMap();
public String getUserName()
throws SQLException
return connection.getUserName();
public boolean getUsingXAFlag()
return connection.getUsingXAFlag();
public SQLWarning getWarnings()
throws SQLException
return connection.getWarnings();
public boolean getXAErrorFlag()
return connection.getXAErrorFlag();
public boolean isClosed()
throws SQLException
return connection.isClosed();
public boolean isLogicalConnection()
return connection.isLogicalConnection();
public boolean isReadOnly()
throws SQLException
return connection.isReadOnly();
public String nativeSQL(String s)
throws SQLException
return connection.nativeSQL(s);
public Object openJoltConnection(String s, short word0, short word1)
return connection.openJoltConnection(s, word0, word1);
public void oracleReleaseSavepoint(OracleSavepoint oraclesavepoint)
throws SQLException
connection.oracleReleaseSavepoint(oraclesavepoint);
public void oracleRollback(OracleSavepoint oraclesavepoint)
throws SQLException
connection.oracleRollback(oraclesavepoint);
public OracleSavepoint oracleSetSavepoint()
throws SQLException
return connection.oracleSetSavepoint();
public OracleSavepoint oracleSetSavepoint(String s)
throws SQLException
return connection.oracleSetSavepoint(s);
public int pingDatabase(int i)
throws SQLException
return connection.pingDatabase(i);
public CallableStatement prepareCall(String s)
throws SQLException
return connection.prepareCall(s);
public CallableStatement prepareCall(String s, int i, int j)
throws SQLException
return connection.prepareCall(s, i, j);
public CallableStatement prepareCallWithKey(String s)
throws SQLException
return connection.prepareCallWithKey(s);
public PreparedStatement prepareStatement(String s)
throws SQLException
return connection.prepareStatement(s);
public PreparedStatement prepareStatement(String s, int i, int j)
throws SQLException
return connection.prepareStatement(s, i, j);
public PreparedStatement prepareStatementWithKey(String s)
throws SQLException
return connection.prepareStatementWithKey(s);
public void purgeExplicitCache()
throws SQLException
connection.purgeExplicitCache();
public void purgeImplicitCache()
throws SQLException
connection.purgeImplicitCache();
public void putDescriptor(String s, Object obj)
throws SQLException
connection.putDescriptor(s, obj);
public void registerApiDescription(String s, short word0, short word1, String
s1)
connection.registerApiDescription(s, word0, word1, s1);
public void registerSQLType(String s, Class class1)
throws SQLException
connection.registerSQLType(s, class1);
public void registerSQLType(String s, String s1)
throws SQLException
connection.registerSQLType(s, s1);
public void registerTAFCallback(OracleOCIFailover oracleocifailover, Object
obj)
throws SQLException
connection.registerTAFCallback(oracleocifailover, obj);
public void rollback()
throws SQLException
connection.rollback();
public void setAutoClose(boolean flag)
throws SQLException
connection.setAutoClose(flag);
public void setAutoCommit(boolean flag)
throws SQLException
connection.setAutoCommit(flag);
public void setCatalog(String s)
throws SQLException
connection.setCatalog(s);
public void setCreateStatementAsRefCursor(boolean flag)
connection.setCreateStatementAsRefCursor(flag);
public void setDefaultExecuteBatch(int i)
throws SQLException
connection.setDefaultExecuteBatch(i);
public void setDefaultRowPrefetch(int i)
throws SQLException
connection.setDefaultRowPrefetch(i);
public void setExplicitCachingEnabled(boolean flag)
throws SQLException
connection.setExplicitCachingEnabled(flag);
public void setImplicitCachingEnabled(boolean flag)
throws SQLException
connection.setImplicitCachingEnabled(flag);
public void setIncludeSynonyms(boolean flag)
connection.setIncludeSynonyms(flag);
public void setReadOnly(boolean flag)
throws SQLException
connection.setReadOnly(flag);
public void setRemarksReporting(boolean flag)
connection.setRemarksReporting(flag);
public void setRestrictGetTables(boolean flag)
connection.setRestrictGetTables(flag);
public void setSessionTimeZone(String s)
throws SQLException
connection.setSessionTimeZone(s);
public void setStatementCacheSize(int i)
throws SQLException
connection.setStatementCacheSize(i);
public void setStmtCacheSize(int i)
throws SQLException
connection.setStmtCacheSize(i);
public void setStmtCacheSize(int i, boolean flag)
throws SQLException
connection.setStmtCacheSize(i, flag);
public void setSynchronousMode(boolean flag)
connection.setSynchronousMode(flag);
public void setTransactionIsolation(int i)
throws SQLException
connection.setTransactionIsolation(i);
public void setTypeMap(Map map)
throws SQLException
connection.setTypeMap(map);
public void setUsingXAFlag(boolean flag)
connection.setUsingXAFlag(flag);
public void setWrapper(OracleConnection oracleconnection)
connection.setWrapper(oracleconnection);
public void setXAErrorFlag(boolean flag)
connection.setXAErrorFlag(flag);
public void shutdown(int i)
throws SQLException
connection.shutdown(i);
public void startup(String s, int i)
throws SQLException
connection.startup(s, i);
Util class to get Wrapped Connections from
datasource
package ejbTesting;
// j2ee imports
import javax.naming.InitialContext;
import javax.sql.DataSource;
// sql imports
import java.sql.Connection;
// imports from Oracle Driver Classes
import oracle.jdbc.OracleConnection;
* Wrapper class for the DataSource Connection from Weblogic pool
public class DataSourceConnectionWrapper
     // datasource variable
     private static transient DataSource datasource = null;
     private static String dbName = "jdbc/workbench";
* Method that returns the database connection
     public static Connection getConnection()
          try
               // initialsing the datasource object
               initialiseDataSource ();
               // Getting a connection from the datasource
               Connection con = datasource.getConnection( );
               // wrapping it custom wrapper class and
               // returning the connection object
               return new WeblogicConnectionWrapper((OracleConnection)con);
          catch(Exception exception )
               exception.printStackTrace();
               return null;
     private static void initialiseDataSource( ) throws Exception
if ( datasource == null )
try
InitialContext ic = new InitialContext( );
datasource = (DataSource) ic.lookup( dbName );
catch (Exception ne )
throw new Exception( "NamingException while looking up DataSource with
JNDI name" +
dbName + ": \n" + ne.getMessage( ) );
Exception Stack Trace
The line 46 in DataSourceConnectionWrapper
corresponds to
return new WeblogicConnectionWrapper((OracleConnection)con);
Which I feel is logical as the connection which we get from Weblogic
datasource cannot be type casted to OracleConnection
java.lang.ClassCastException: weblogic.jdbc.pool.Connection
at ejbTesting.DataSourceConnectionWrapper.getConnection(DataSourceConnectionWrapper.java:46)

Support for using TNSNAMES with Oracle Thin Driver?

Hi.
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Justification for Using Oracle Text

Hello,
Can someone give me good cause (justification) for utilizing Oracle Text over other tools out there that are not tied directly to Oracle?
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Hi,
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2) Uses SQL to query and maintain
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Justification for using Oracle Text vs Other Search Tools

Hello,
Can someone give me good cause (justification) for utilizing Oracle Text over other tools out there that are not tied directly to Oracle?
Apparently it is possible to identify metadata within text and do keyfield and keyword searches this way with other tools, but I question the accuracy, speed, or value in terms of data relationships with this approach. I feel the relationships belong in the database along with the indexes but can't convince anyone of this.
Has anyone experience working with Oracle Text where relationships help to drive the search and can give me good cause to this approach?
thanks

Tools like Autonomy have fantastic searching functions, far in excess of what we get with Text. What they aren't very good at is the database side of things. So if your prime concern is to be able to search free text documents on your file system using a baroque range of filters then Text is not the right choice. But if you want to join the outcomes of free text searches with structured data in database tables or if the text you want to search is stored in database tables then using Oracle's built-in functionality is the better approach.
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Do we need rpm package oracleasmlib for using Oracle ASMLib?

..The Oracle ASMLib kernel driver is now included in the Unbreakable Enterprise Kernel.
No driver package needs to be installed when using this kernel.
The oracleasm-support and oracleasmlib packages still need to be installed from ULN+
http://www.oracle.com/technetwork/topics/linux/asmlib/index-101839.html
i use:
root@oel62 ~]# uname -r
2.6.32-300.3.1.el6uek.x86_64I understood:
-oracleasm: is include in the kernel(kernel/drivers/block/oracleasm/oracleasm.ko)
-oracleasm-support: can be found on the install ISO or in Oracle Public Yum Server.
-oracleasmlib: ? not found in Oracle Public Yum Server! can be found only in ULN?
Question: Do we need it, rpm package oracleasmlib for install Oracle ASMLib?
I have add kernel module oracleasm (via modprobe) and install rpm oracleasm-support
(but without oracleasmlib) and it works !!??
..and I'm confused ???

Dude wrote:
Saying that it works seems quite audacious to me. Well, I can start the engine, let's fly! I'd rather remain on the ground ;-)Hi Dude!
You do not mean I talk nonsense, right?
Maybe! But once again i will protocol here what i did.
It would be very nice if you take a look here:
Ok! Step by step..
My environment: Oracle Linux 6.2 in VMWare
Linux kernel:
[root@oel62 ~]# uname -r
2.6.32-300.3.1.el6uek.x86_64Install oracleasm:
[root@oel62 ~]# modprobe oracleasm
[root@oel62 ~]# modprobe -l oracleasm
kernel/drivers/block/oracleasm/oracleasm.ko
[root@oel62 ~]# lsmod | grep oracle
oracleasm              48482 1 Install oracleasm-support:
root@oel62 ~]# yum install oracleasm-support
Installed:
oracleasm-support.x86_64 0:2.1.5-1.el6
Complete!I have only oracleasm-support(no oracleasmlib!)
[root@oel62 ~]# rpm -qa| grep oracleasm
oracleasm-support-2.1.5-1.el6.x86_64
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Checking if ASM is loaded: yes
Checking if /dev/oracleasm is mounted: noConfigure:
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Default user to own the driver interface []: grid
Default group to own the driver interface []: asmadmin
Start Oracle ASM library driver on boot (y/n) [n]: y
Scan for Oracle ASM disks on boot (y/n) [y]: y
Writing Oracle ASM library driver configuration: done
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ASMCMD [+] > lsdsk -p -G test_dg
Group_Num Disk_Num      Incarn Mount_Stat Header_Stat Mode_Stat State   Path
        1         0 3915949404 CACHED      MEMBER       ONLINE     NORMAL /dev/oracleasm/disks/ASMDISK1
        1         1 3915949403 CACHED      MEMBER       ONLINE     NORMAL /dev/oracleasm/disks/ASMDISK2-Run dbca create a database testdb with storage using diskgroup TEST_DG
and here is the DB testdb on diskgroup test_dg
[grid@oel62 ~]$ rlwrap asmcmd -p
ASMCMD [+] > ls test_dg/testdb
CONTROLFILE/
DATAFILE/
ONLINELOG/
PARAMETERFILE/
TEMPFILE/
spfiletestdb.ora
ASMCMD [+] > ls -l test_dg/testdb/datafile
Type      Redund Striped Time             Sys Name
DATAFILE UNPROT COARSE   JUN 27 11:00:00 Y    SYSAUX.257.787055133
DATAFILE UNPROT COARSE   JUN 27 11:00:00 Y    SYSTEM.256.787055133
DATAFILE UNPROT COARSE   JUN 27 11:00:00 Y    UNDOTBS1.258.787055133
DATAFILE UNPROT COARSE   JUN 27 11:00:00 Y    USERS.259.787055133
ASMCMD [+] > Service status:
[grid@oel62 ~]$ srvctl status diskgroup -g test_dg
Disk Group test_dg is running on oel62
[grid@oel62 ~]$ Once again i did not install oracleasmlib!
I have no RPM oracleasmlib on my system:
root@oel62 ~]# rpm -qa| grep oracleasm
oracleasm-support-2.1.5-1.el6.x86_64It is a "perfect" installation, or what do you mean?
It works fine, but why it works??
Well, folks! Tell me now why it works without oracleasmlib ?
What happened, what is going on here?
Thank you for reading my long text here!

Need questions for an Oracle interview tomorrow.

Hi,
I have to interview someone tomorrow for and ETL/OWB 11.1 position.
The following are 20 (19 I had to delete one. It was nasty) of the toughest Oracle interview questions ever asked.
Obviously I can't ask them tomorrow for many legal reasons.
Are there any questions that you could suggest to me that I could ask that would be good interview questions? Serious ones that won't get me into trouble.
Meanwhile ,..., enjoy the list.
(This list is borrowed from a Web Page Which is:
http://it.toolbox.com/blogs/infosphere/the-20-hardest-oracle-interview-questions-ever-16692. The author is Vincent McBurney. My thanks to his creativity and humor.)
20 Oracle Interview Questions
    How long have you been using Oracle in terms of minutes?
    Why should this company lower its standards to hire you?
    What is the most effective way that Oracle can ring fence SAP? Do you have 99 more?
    I see you admiring my suit, I chose it because it's the same color as duct tape and you can't see the repairs.
    What innovation do you bring to your wardrobe?
    How many Oracle Fusion applications have you used?
   What do you do with Oracle Warehouse Builder other than build Oracle Warehouses?
    In the next ten seconds name five cabbage recipes and relate the back to PL/SQL functions.
    Name 9 Oracle CRM tools in reverse order of popularity.
    Describe the use of %ROWTYPE and %TYPE in PL/SQL using only this piece of paper and the ancient art of origami.
    Name three current Oracle BI partners and several dozen former partners.
    What do databases and chickens have in common?
    I can't ask about your race, sex, religion or weight but I can ask do you have a hot looking partner to bring to company functions?
    This is an immediate pass or fail question: what does the "i" stand for in Oracle 10i?
    How would you restore an Oracle database backup with corrupted backup control files if you are the only person in the office and you have super glued thick oven mitts onto both hands?
    Who do you hate more: IBM, Microsoft, SAP or the Welsh?
    Did you see that messenger in the film 300 who got kicked down the bottomless pit?
   How would you break bad news to Larry Ellison?
    Do you know how to skipper a yacht? Can you learn before the next Americas Cup?
    You're not from NZ are you? Oracle has kind of a NZ skipper hiring freeze on at the moment, and for the next 99 years.
    What are the SQL hints you can encode into an Oracle view to encode the correct index usage,
    optimize the join between tables and subliminally compel users to stop using SAP.
    Have you ever committed a federal crime, worked for a terrorist organization,
    acted as a torturer for a foreign dictator or downloaded support materials for TomorrowNow?

OMG :P

Best practice for using Muse with Lightroom?

I'm creating a photography website. I use Lightroom to manage my photographs, and I keep the pictures for my site in Collections.
In Muse, I'd like to have ALT text descriptions (or something similar) of each picture, so that search engines can see what's on my site.
Is there a way to embed the descriptions into the image info in Lightroom, and have it export in a way that Muse picks it up?
My problem is this: I've been creating ALT tags in my Muse slideshows (by right clicking on each image and selecting "Edit image properties..."). This works, but I lose my ALT tag if I export the images from Lightroom using any naming convention that doesn't maintain a consistent relationship between image and name. This makes it very difficult to manage my exports from Lightroom, especially if I want to add images or change the order of images.
At the risk of providing too much detail, the reason I rename images on export is this: In Lightroom, my images are named with my client's last name and a sequence number. When I export them for use on my website, I want them to have a different name, primarily to protect my clients' privacy, but also to allow me to organize them easily in my slideshows. So for example Jones-103.dng gets exported as Checkerbox-Wedding-Photography-[nnn].jpg, where [nnn] is a new sequence number.
Can anyone tell me a better way to manage this workflow?

publish/subscribe, right?
lots of subscribers, big messages == lots of network traffic.
it's a wide open question, no?
%

Benefits for using Oracle RAC in SUNCLUSTER

Hi SC expert,
What is the technical benefits of using Oracle RAC in Suncluster, Both are cluster can take care of HA and Load balancing. which are the features are not in Oracle RAC. I am able to configure and check the functionality of Oracle RAC with SC. But I want some technical highlights to project SC have specific benefits over OracleRAC.
Any suggestion and recommentation are welcome.
regards
karthikeyan.N

Hi,
goto http://www.sun.com/cluster and search for "White Paper, Sun Cluster 3.2 Software: Making Oracle Database 10G R2 RAC Even More Unbreakable"
It has all the technical details that you are looking for.
Regards
Hartmut

2 IP for a NIC with Solaris 8

Hi, i would like to know if it's possible to assign 2 IP to a NIC with Solaris 8?
I looked high and low and can't find the answer to my question...
Please can someone help me?
If you guys got any good website (English / French) that explain how to do that it would be really appreciated.
Thx

ISTR you could also go about it another way --
"ifconfig hme0:1 plumb" (for example).Yes, absolutely.
addif is probably the more graceful way, to avoid
name collisions.In this case I picked it just because I thought the man page could explain 'addif' more easily than the entire concept of virtual interfaces (which you then have to plumb..).
Of course I also think that the configuration of the virtual interface is simpler
echo "xx.xx.xx.xx" > /etc/hostname.<int>:1
To do it with addif, you have to make additional changes to /etc/hostname.<int> that makes it a little less nice.
Darren

Question for using ORACLE with SOLARIS

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