Help with DR plan for Exchange & SQL Server vDP 6 please.
Hi there,
I just need a little guidance building a backup & DR strategy using vDP and/or VR. SRM is probably not in the budget right now.
First question about "Application" backup recovery.... Do I need BOTH a "Guest Image" & "Application" backup of these servers to be able to recover in case of disaster? I'm guessing YES, since when I try to "Restore" an Application backup, I only see the Exchange or SQL databases for example. I do not see the actual VM C:\ drive, etc. Would I use a "Guest Image" restore, THEN an "Application" restore for a full recovery? What happens if your SQL database is on the C:\ drive, you will be backing them up double in this scenario, once in Guest Image, then again in Application backups?
Next question.... I've tested VR to a remote location (no SRM yet), and it worked well. I consider this a good DR plan for what we need. We currently use TSM for backups. If I change to local vDP backup + replicated vDP backups at the remote site, would this be a good replacement instead of VR? Our RTO is not a huge issue. Can I recover the replicated backups easily to the remote hosts? I realize the advantages of SRM, and I would need to do more manual steps, but our budget is tight.
Thanks for your help.
As with many things, these answers depend a lot on your environment, that said, from my experience as a customer, partner (and now with VMware) here are my answers:
- Depending on the application both guest and application can be a good idea. If you have applications with agents, I think it often makes sense to use them.
- You are correct that if you need to recover the entire VM, you would recover the VM image and then the application backup (if it was needed - there is a likelihood that the application backup may not be needed)
- You are correct, you are very likely backing up the application data twice. Seems worthwhile to me for the right applications, you'll have to evaluate for your environment
- VR or backups can work as a DR solution, especially if RTO isn't an issue. The main difference I see between them is RPO. VR can go as low as 15 mins, backups are usually 24 hours so again, it depends on your requirements. One additional benefit to SRM is the ability to non-disruptively test your DR plan which I think is one of the best parts of it. Totally understand about budget. I would recommend building and testing your DR plan and communicating the resulting RPO/RTO to the business so they are aware.
Does this answer your questions?
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I am trying to setup Oracle Database Gateway for MS SQL Server(I don't have admin access to the MS SQL Server). When I try to test the dblink connection, I get the following error.
I issued select * from dual@xyz;
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My setup is the following.
1. Oracle 11gR2 running on Oracle Linux 6, the same version gateway is installed on the same server, but different home directory.
2. Oracle DB home directory is /u01/app/oracle/product/11.2.0/dbhome_1, gateway home directory is /u01/gateway.
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/u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
#(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1522))
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(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME=db.abc.com.tw)
(ORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1)
(SID_NAME=orcl)
SID_LIST_mssql =
(SID_LIST =
(SID_DESC =
(SID_NAME=dg4msql)
(ENVS=LD_LIBRARY_PATH=/u01/gateway/dg4msql/driver/lib:/u01/gateway/lib)
(PROGRAM_NAME=/u01/gateway/bin/dg4msql)
/u01/app/oracle/product/11.2.0/dbhome_1/network/admin/tnsnames.ora
LISTENER_ORCL =
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ORCL =
(DESCRIPTION =
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(CONNECT_DATA =
(SERVER = DEDICATED)
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(CONNECT_DATA=(SID=dg4msql))
(HS=OK)
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HS_FDS_CONNECT_INFO=[192.168.0.1]:1433//XIETEST
# alternate connect format is hostname/serverinstance/databasename
HS_FDS_TRACE_LEVEL=255
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER
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CONNECT TO SA IDENTIFIED BY
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Couple more things, that I have done to check the work above.
[oracle@db admin]$ ping 192.168.0.1
PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.
64 bytes from 192.168.0.1: icmp_seq=1 ttl=61 time=7.61 ms
64 bytes from 192.168.0.1: icmp_seq=2 ttl=61 time=7.41 ms
^C
--- 192.168.0.1 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1818ms
rtt min/avg/max/mdev = 7.417/7.516/7.615/0.099 ms
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TNS Ping Utility for Linux: Version 11.2.0.1.0 - Production on 11-SEP-2013 10:53:11
Copyright (c) 1997, 2009, Oracle. All rights reserved.
Used parameter files:
/u01/app/oracle/product/11.2.0/dbhome_1/network/admin/sqlnet.ora
Used TNSNAMES adapter to resolve the alias
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OK (0 msec)
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LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 11-SEP-2013 10:54:23
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521)))
STATUS of the LISTENER
Alias mssql
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 11-SEP-2013 10:09:46
Uptime 0 days 0 hr. 44 min. 37 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/db/mssql/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
Services Summary...
Service "dg4msql" has 1 instance(s).
Instance "dg4msql", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
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The file "dbhome" already exists in /usr/local/bin. Overwrite it? (y/n)
[n]: n
The file "oraenv" already exists in /usr/local/bin. Overwrite it? (y/n)
[n]: n
The file "coraenv" already exists in /usr/local/bin. Overwrite it? (y/n)
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Thanks for reading.Dear Klaus,
I did start a new SQL*PLUS session
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***************************** SQL Job information ******************************
Jobname: SAP CCMS Full DB Backup of AM1 [20140417103726-4-103726]
Type: TSQL
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**************************** Job history information *****************************
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1504 pages for database 'AM1', file 'A01DATA2' on file 1. [SQLSTATE 01
000] (Message 4035) Processed 4574152 pages for database 'AM1', file
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92 pages for database 'AM1', file 'A01DATA4' on file 1. [SQLSTATE 0100
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essfully processed 19621974 pages in 16881.638 seconds (9.521 MB/sec).
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<------------- End of Job Step History --------------->
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Severity: 16
Duration: 0 hours(s) 8 min(s) 30 sec(s)
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<------------- End of Job Step History --------------->
**************************** Job history information *****************************
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[oracle@odamaind1 ~]$ cat /u01/app/oracle/product/11.2.0.3/dbhome_1/dg4msql/admin/initaqpdb01.ora
# This is a customized agent init file that contains the HS parameters
# that are needed for the Database Gateway for Microsoft SQL Server
# HS init parameters
HS_FDS_CONNECT_INFO=[172.18.250.141]://master
# alternate connect format is hostname/serverinstance/databasename
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER
HS_FDS_SUPPORT_STATISTICS=FALSE
HS_KEEP_REMOTE_COLUMN_SIZE=LOCAL
HS_NLS_LENGTH_SEMANTICS=CHAR
HS_FDS_TRANSACTION_MODEL=READ_ONLY
HS_FDS_TRANSACTION_ISOLATION=UNCOMMITTED
[oracle@odamaind1 ~]$ cat /u01/app/oracle/product/11.2.0.3/dbhome_1/dg4msql/admin/initcosima.ora
# This is a customized agent init file that contains the HS parameters
# that are needed for the Database Gateway for Microsoft SQL Server
# HS init parameters
HS_FDS_CONNECT_INFO=[172.20.250.99]//COSIMA
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER
# custom init parameters
HS_FDS_SUPPORT_STATISTICS=FALSE
HS_KEEP_REMOTE_COLUMN_SIZE=LOCAL
HS_NLS_LENGTH_SEMANTICS=CHAR
HS_FDS_TRANSACTION_MODEL=READ_ONLY
HS_FDS_TRANSACTION_ISOLATION=UNCOMMITTED
[oracle@odamaind1 ~]$ cat /u01/app/oracle/product/11.2.0.3/dbhome_1/dg4msql/admin/initepos.ora
# This is a customized agent init file that contains the HS parameters
# that are needed for the Database Gateway for Microsoft SQL Server
# HS init parameters
HS_FDS_CONNECT_INFO=[172.18.250.41]:1433//epos
# alternate connect format is hostname/serverinstance/databasename
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER
HS_FDS_SUPPORT_STATISTICS=FALSE
HS_KEEP_REMOTE_COLUMN_SIZE=LOCAL
HS_NLS_LENGTH_SEMANTICS=CHAR
HS_FDS_TRANSACTION_MODEL=READ_ONLY
HS_FDS_TRANSACTION_ISOLATION=UNCOMMITTED
[oracle@odamaind1 ~]$ cat /u01/app/oracle/product/11.2.0.3/dbhome_1/dg4msql/admin/initepospasohlavky.ora
# This is a customized agent init file that contains the HS parameters
# that are needed for the Database Gateway for Microsoft SQL Server
# HS init parameters
HS_FDS_CONNECT_INFO=[172.31.250.41]/SQL2012/epos
# alternate connect format is hostname/serverinstance/databasename
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER
HS_FDS_SUPPORT_STATISTICS=FALSE
HS_KEEP_REMOTE_COLUMN_SIZE=LOCAL
HS_NLS_LENGTH_SEMANTICS=CHAR
HS_FDS_TRANSACTION_MODEL=READ_ONLY
HS_FDS_TRANSACTION_ISOLATION=UNCOMMITTED
dg4msl process, look at posted attachment (print screen of enterprise manager and top from OS).
Thank you
Michal -
Retrieve available server names for MS SQL server
hello
Can somebody tell me how I can retrieve available server names for MS SQL server.
When MS SQL server loads it asks for server name to connect but on the same time has a combobox with the available server names(instace+database name). How can I provide the same functionality in my application?
Thank you in advance.It isn't going to be as simple as just the name.
There are also different ways to connect and probably other parameters as well.
SQL Server Enterprise Manager probably uses a discovery protocol. It probably sends one or more messages requesting information and those servers that want to respond.
Note that none of that has anything to do with JDBC and discovering how it does that probably isn't easy. A packet sniffer might help. -
JDBC for Microsoft SQL Server 2000
Hello,
I have installed Microsoft SQL Server 2000 to establish a connection with JDK 1.4.1 and run the following code:
import java.sql.Connection.*;
import java.sql.*;
public class Connect
private java.sql.Connection con = null;
private final String url = "jdbc:microsoft:sqlserver://";
private final String serverName= "localhost";
private final String portNumber = "1433";
private final String databaseName= "cbi";
private final String userName = "sa";
private final String password = "";
// Informs the driver to use server a side-cursor,
// which permits more than one active statement
// on a connection.
private final String selectMethod = "cursor";
// Constructor
public Connect(){}
private String getConnectionUrl()
return url+serverName+":"+portNumber+";databaseName="+databaseName+";selectMethod="+selectMethod+";";
private java.sql.Connection getConnection()
try
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
con = java.sql.DriverManager.getConnection(getConnectionUrl(),userName,password);
if(con!=null)
System.out.println("Connection Successful!");
catch(Exception e)
e.printStackTrace();
System.out.println("Error Trace in getConnection() : " + e.getMessage());
return con;
Display the driver properties, database details
public void displayDbProperties()
java.sql.DatabaseMetaData dm = null;
java.sql.ResultSet rs = null;
try
con= this.getConnection();
if(con!=null)
dm = con.getMetaData();
System.out.println("Driver Information");
System.out.println("\tDriver Name: "+ dm.getDriverName());
System.out.println("\tDriver Version: "+ dm.getDriverVersion ());
System.out.println("\nDatabase Information ");
System.out.println("\tDatabase Name: "+ dm.getDatabaseProductName());
System.out.println("\tDatabase Version: "+ dm.getDatabaseProductVersion());
System.out.println("Avalilable Catalogs ");
rs = dm.getCatalogs();
while(rs.next())
System.out.println("\tcatalog: "+ rs.getString(1));
rs.close();
rs = null;
closeConnection();
else
System.out.println("Error: No active Connection");
catch(Exception e)
e.printStackTrace();
dm=null;
private void closeConnection()
try
if(con!=null)
con.close();
con=null;
catch(Exception e)
e.printStackTrace();
public static void main(String[] args) throws Exception
Connect myDbTest = new Connect();
myDbTest.displayDbProperties();
but, I received the error that ClassNotFoundException: com.microsoft.jdbc.sqlserver.SQLServerDriver, No active Connection.
I added the 3 .jar files msbase.jar,mssqlserver.jar and msutil.jar to the System variables but it is not working. Is there any syntax for adding these .jar files to the System Variables?
Please, help me and give me the solution for establishing the connection and loading the driver class. If I am doing anything wrong then please, tell me the right step.
I am developing a project on Java and I have very little time left to accomplish it. Please help me.
Thankyou.I had already given the .jar files to the User variables and System Variables but the driver class is still not loading. I had simply given the .jar file name for instance, msbase.jar;mssqlserver.jar;msutil.jar and also tried the path of .jar files i.e., C:\Microsoft SQL Server\-----------\lib\msbase.jar;C:\-------------lib\mssqlserver.jar;C:\----------------\lib\msutil.jar; but, both ways are not working. When I installed the MS SQL Server 2000 then in the lib folder, the 3 JAR files were not installed then, I downloaded a driver for MS SQL Server 2000 Driver for JDBC sp2, then, the JAR files were installed. Then, I copied those files to the lib folder of MS SQL Server and gave that path to the User and System Variables but it didn't work then I gave the original path of files where they are installed i.e., of the Driver's path which I downloaded from Microsoft but still now, my problem is not solved. Please help me.
-
BEA WebLogic jDriver for Microsoft SQL Server
Will BEA continue to support current and future installations of WebLogic jDriver for Microsoft SQL Server 2000 even though BEA recommends to use the JDBC driver available from Microsoft? A written response is necessary in order to determine our future product development direction.
Thank you for your attention regarding this matter.Actually, this driver is already documented as deprecated. We intended to remove it from a future
release (most likely, the release after WLS 8.1).
The plan is to ship another driver out-of-the-box. We have been evaluating various drivers
for features, quality, and performance. We are pushing very hard to have this replacement
driver available in 8.1SP01, which will also ship with the WLI/Portal/WLW GA (announced to
ship in July). The most likely candidate is already in testing both at the WLS level and
with the layered products. It also did quite well in an internal performance comparison.
"Joseph Weinstein" <[email protected]_this> wrote in message news:[email protected]_this...
>
>
Peter Foskaris wrote:
Will BEA continue to support current and future installations of WebLogic jDriver for Microsoft SQL Server 2000 even though
BEA recommends to use the JDBC driver available from Microsoft? A written response is necessary in order to determine our future
product development direction.
>>
Thank you for your attention regarding this matter.Hi. We intend to deprecate it. We may or may not fix bugs that are found in it in future, and will likely
not do any more development on it, such as implementing any JDBC 2.0 methods. It will be in
our next major release (8), but may not be in future ones.
Joe Weinstein at BEA
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