Database backup strategy(MS sql server 2005, Winodws 2003, SAP ECC 6.00)

Hello gurus,
    I am confused, about the backup system i should go for(backup device, abckup software)?? Fllowing is my SAP Landscape.
1) IDES
2) Solution manager
3) Development
4) BIW
no of users 25 max
modules implemented
MM
HR
FICO
BIW
<b>    I want to implemente before go live, backup system in my company.</b>
We have received backup schedule from our implementation partner. Our backup system is as follows.
Backup device is HP Surestore Autoloader.
Cartridge capacity is 100/200GB
Backup software is Veritas (version 8.6)
Note: Through this we take backup of our legacy system and it takes around 3 1/2 hour to 4 hours to take backup of 60 GB of our legacy data.
     Right now the problem is our backup software version is old and i even believe, the hardware we have is not sufficient to take daily database backup and fortnightly, SAP system backup.
    The only solution to the problem i can see is
1) to go for another backup device exclusively for SAP system
2) Even go for SQL Agent software used to take backup of SAP system thorugh Veritas.
3) Even upgrade my Veritas version.
<b>   Its a request to GURUS</b>
1) Is the solution, i am thinking to this issue is correct.?? If no then please advice me
2) Please tell me the best backup system in your opinion for my above mentioned system.
Thanks Gurus
Rahul

Hello,
A indication of the size of each database would be helpful.
However, its NOT a good idea to take only one on line backup a week. What if you have a tape error and cant recover a TL? You have no chance for recovery. This is not best practice. Can the business except a 4,5 or even 6 days loss of data - id guess not.
This is what id do if you don't want to purchase a new device, I would take an online backups from SQL to disk every night - this would be a separate disk! From the disk you can the pick up the backup to take at a time to suit that wont impact the existing backup. Plus you always have two copies of the backup. One on disk, one on tape.
My normal transaction log strategy is similar, again backup to disk, every hour on a production system. Then after midnight move the existing 24 logs into an archive folder. This folder would also be picked up by the existing device at a suitable time before being moved to a 'saved' folder and deleted the next day. Again you always have multiple copies of the data. two on disk, two on tape.

Similar Messages

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I have an ms access database backup file.
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-- Thanks and Regards Srikar Reddy Gondesi, Trainee SQL Server Database Administrator Miracle Software systems, Inc.

Hello sir,
i tried to use import/export wizard to import data from an ms access backup file.
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-- Thanks and Regards Srikar Reddy Gondesi, Trainee SQL Server Database Administrator Miracle Software systems, Inc.
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Migration from of database and app from SQL server 2005 to Oracle 10g

Hello Every body,
Lately, I have been requested to migrate one inhouse developed hub application from SQL server 2005 to Oracle 10g. The objective is to move application and also the database to Oracel 10g.
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In general the Java/J2EE application needs work in the following categories:
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5. Changes to any SQL Server specific database functions manipulating character/date data will be required.
6. CLOB/BLOB/XML apis are different across databases so if you are using those then focus on them as well.
7. Retreiving Auto/generated keys from database also may need changes from what I have seen.
Hope this helps..
Regards
Prakash
NOTE: Not sure why but my posts from yesterday are not visible today. Even worse is that I can see them in one browser (FireFox) but not in Internet explorer. Crazy browser day I am having.

Restore a database in recovery mode sql server 2005

Please i need some help. My database has been marked in recovery in sql 2005 management studio and i can't connect to it how do i bring it back to normal

if your database is marked in recovery this means that SQL Server is recoverying the database typically after a sql server restart.
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looking for a book on SQL Server 2008 Administration?
http://www.amazon.com/Microsoft-Server-2008-Management-Administration/dp/067233044X looking for a book on SQL Server 2008 Full-Text Search?
http://www.amazon.com/Pro-Full-Text-Search-Server-2008/dp/1430215941

Commom errors while DB Backup & Restoration using SQL server 2005

Hi all,
Thanks for your support,
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Ehhhh.... Noone is going to paint you the scenarios.... check the Backup and Restore guide both have troobleshoot areas.
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How to Select from Oracle 8i database and insert into Sql Server 2005 datab

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Thanks Khan..
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SQL Server 2005 data in SAP BI

Hi All !
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Hi Rekha:
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Upgrade SQL Server 2000to SQL Server 2005 in an SAP environment

Hi,
I have a scenario in which we are going to upgrade SQL server 2000 to SQL server 2005 in SAP an environment.
Now SQL server has a concept of In-Place Upgrade and Side-by-Side Migration Process.I want to know what does both of these mean.
We have an SAP note(799058.It talks about the upgrade in Step II.Is it the same as In-Place Upgrade concept in SQL?
What is step III in the note talking about? Is it talking about Side-by-Side Migration?
It would be of gr8 help if someone could provide the conceptual knowledge on these and what does the note mentioned above talks.

Hello
Please review my post on SQL upgrade.
SAP on SQL Server
You may also like to review
http://www.microsoft.ie/downloads/itprosql-90.ppt#568,17,Demo
Can you please advise your DB size and the max. amount of downtime your business can afford?
I will check, but I am almost sure that a side-by-side SQL upgrade is not appropriate for SAP systems.
Thanks
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Sql Server configuration requirements for SAP ECC 6.0

Dear All,
I am using Sql server 2005 Enterprise as data store for Sap ecc 6.0.There are certain configuration requirements to be done while installing it so that sapinst.exe (sap installer) is able to use it to create its own DB's.
For eg it requires a collation of SQL_Latin1_General_CP850_BIN2 whereas the default that gets installed is SQL_Latin1_General_CP1_CI_AS.
Like this there are other requirements which I am not aware of.Most of the docs available on the Internet are talking of ecc 6.0 with Oracle 10.2G which is the most common combination.I am having docs for this combination.
I am installing ecc for the first time.
*I am unable to download docs from sap. marketplace as it requires a login given to certified users or sap purchasers.I am neither.*
Can anyone help me with this.If anyone has ECC 6.0 installation guide with sql server it will be serve my purpose.
Thanks for your efforts.

"Excuse me?
What he is doing is illegal , you know what that means, right? If you don't believe me, read the license that comes on the first installation DVD.
Actually, I even think it's kind of barefaced to ask in the forum of the software vendor for help! I mean, it's like asking in a bank forum how to rob and fraud the bank! You - and many others - may think that it's right and ok to do that. I tell you: it is not. Not for "home use", not for personal use, not at all.
You can use the software available here in the SDN to lean and study, that's why it's there.
If you deal at all with copied software, then just be smart enough to make other people not notice. He can be happy if he's not prosecuted (which would legally be possible)."
Do u understand what is legal or illegal? Have u read the license in full?
The license does not put any limit on the number of users.So if I am using it means that one more user has been added by the license holder.
Therefore there is nothing illegal about it.
It would have unethical (not illegal) if the software is being used for a business purpose other than for which it has been purchased.
Since it being used for training purpose the above does not hold good.
In fact it is SAP who is benefited in the long run bec' after a person learns it technology because he is going to implement it somewhere, for which the concerned user will have to purchase a license.Therefore I am helping SAP to increase its business.
But there are some stupid people who don't understand these things but are ready to shout at the top of their voice thinking themselves to be intelligent.
Edited by: coolmind26 on Jun 5, 2011 10:57 AM

Moving from SQL server 2005 to SQL server 2008 ... for a MS/SQL newbie.

Hello,
I am in charge of moving an existing SAP NW BI (SPS20) from a MS SQL Server 2005 database on Windows Server 2003 (x864/64 bit) Platform to a MS SQL Server 2008 database/Windows Server 2008 Platform (x64/64 bit).
The SID of the SAP system will remain the same.
The thing is that I have always worrked so far on Oracle/Unix environements, windows/MSSQL is an entire new world for me,
so I am quite worried.
I have read many sap notes/installation guides/forum posts regarding this operation, I will describe here my understanding
of the techinical operations that I will need to perfrom.
Could you correct me if I am wrong, as well as give me your comments ?
1/ I will need to perform an SQL server database copy within a homogeneous system copy.
2/First ,I'll have to install on the target environnement the SQL server 2008 database. I'll have to install the SQL Server Database Software with SQL4SAP (no need to install the database server software manually, right ?). Afterwards, I'll install on the target environnent, SAP Netweaver 7.0 SR3 with a modified Instalaltion Master DVD.
3/ On the source environement, I'll perfrom a database backup of the SQL Server 2005 system and restore the database on the target environement. since I choose to perfrom a restore of the database , there is no need to follow all the steps described in sap note 151603 :determine the file structure of the source database, create the directory structure for the target database, etc ...
4/ Once the restoration is finished, I use SAPINST and finish the homogeneous copy : >additional sofware->system copy>target system->central system --> Based on AS Abap --central installation
Your comments are welcome.
Thank you for your attention
Best Regards.
Raoul

Hi Raoul,
you also need a modified Kernel DVD for the installation on SQL 2008 (see SAP Note 1152240).
And don't forget to install and patch the Visual Studio c++ Runtime (also described in that note).
I also would recommend to restore the backup and then install SAP NW 7.0 SR3 and use the restored SQL 2008 database.
So the basic steps are:
1. Perform backup and restore to SQL 2008
1.1 Install SQL 2008 with SQL4SAP
1.2 Backup old database
1.3. Restore backup on SQL 2008
2. Install VC runtime on Win 2008
3. Create modified Kernel DVD
4. Create modified Master DVD
5. Perform system copy target installaton with - additional sofware->system copy>target system--->central system --> Based on AS Abap --central installation and use the SQL 2008 database
You could also use SQL Server 2008 R2 which was release last month.
Please also check Note 1476928
Best,
Sebastian Dusch

SQL Server 2005 High Availability and Disaster Recovery options

Hi, We are are working on a High Availability & Disaster Recovery Planning solution for an application database which is on SQL Server 2005. What different options have we got to implement this for SQL Server 2005 and after we have everything setup how
do we test the failover is working?
Thanks in advance.........
Ione

DR : Disaster recovery is the best option for the business to minimize their data loss and downtime. The SQL server has a number of native options. But, everything is depends upon your recovery time objective RTO and recovery point objective RPO.
1. Data center disaster
Geo Clustering
2. Server(Host)/Drive (Except shared drive) disaster
Clustering
3. Database/Drive disaster
Database mirroring
Log shipping
Replication
Log shipping
Log shipping is the process of automating the full database backup and transaction log on a production server and then automatically restores them on to the secondary (standby) server.
Log shipping will work either Full or Bulk logged recovery model.
You can also configure log shipping in the single SQL instance.
The Stand by database can be either restoring or read only (standby).
The manual fail over is required to bring the database online.
Some data can be lost (15 minutes).
Peer-to-Peer Transactional Replication
Peer-to-peer transactional replication is designed for applications that might read or might modify the data in any database that participates in replication. Additionally, if any servers that host the databases are unavailable, you can modify the application
to route traffic to the remaining servers. The remaining servers contain same copies of the data.
Clustering
Clustering is a combination of one or more servers it will automatically allow one physical server to take over the tasks of another physical server that has failed. Its not a real disaster recovery solution because if the shared drive unavailable we cannot
bring the database to online.
Clustering is best option it provides a minimum downtime (like 5 minutes) and data loss in case any data center (Geo) or server failure.
Clustering needs extra hardware/server and it’s more expensive.
Database mirroring
Database mirroring introduced in 2005 onwards. Database Mirroring maintain an exact copy of a database on a different server. It has automatic fail over option and mainly helps to increase the database availability too.
Database mirroring only works FULL recovery model.
This needs two instances.
Mirror database always in restoring state.
http://msdn.microsoft.com/en-us/library/ms151196%28v=sql.90%29.aspx
http://blogs.technet.com/b/wbaer/archive/2008/04/19/high-availability-and-disaster-recovery-with-microsoft-sql-server-2005-database-mirroring-and-microsoft-sql-server-2005-log-shipping-for-microsoft-sharepoint-products-and-technologies.aspx
http://www.slideshare.net/rajib_kundu/disaster-recovery-in-sql-server
HADR Considerations
Need to Understand the business motivations and regulatory requirements that are driving the customer's HA/DR requirements. Understand how your customer categorizes the workload from an HA/DR perspective. There is likely to be an alignment between the needs
and categorization.
Check for both the recovery time objective (RTO) and the recovery point objective (RPO) for different workload categories, for both a failure within a data center (local high availability) and a total data center failure (disaster recovery). While RPO and
RTO vary for different workloads because of business, cost, or technological considerations, customers may prefer a single technical solution for ease in operations. However, a single technical solution may require trade-offs that need to be discussed with
customers so that their expectations are set appropriately.
Check and understand if there is an organizational preference for a particular HA/DR technology. Customers may have a preference because of previous experiences, established operational procedures, or simply the desire for uniformity across databases from
different vendors. Understand the motives behind a preference: A customers' preference for HA/DR may not be because of the functions and features of the HA/DR technology. For example, a customer may decide to adopt a third-party solution for DR to maintain
a single operational procedure. For this reason, using HA/DR technology provided by a SAN vendor (such as EMC SRDF) is a popular approach.
To design and adopt an HA/DR solution it is also important to understand the implications of applying maintenance to both hardware and software (including Windows security patching). Database mirroring is often adopted to minimize the service disruption
to achieve this objective.
HADR Options :
Failover clustering for HA and database mirroring for DR.
Synchronous database mirroring for HA/DR and log shipping for additional DR.
Geo-cluster for HA/DR and log shipping for additional DR.
Failover clustering for HA and storage area network (SAN)-based replication for DR.
Peer-to-peer replication for HA and DR (and reporting).
Backup & Restore ( DR)
keep your server DB backups in network location ( DR)
Always keep your sql server 2005 upto date, in case if you are not getting any official support from MS then you have to take care of any critical issues and more..
Raju Rasagounder Sr MSSQL DBA

Error"Failed to open the connection" - Named Instance of SQL Server 2005

"Failed to open the connection" error, when connecting to the Named Instance of SQL Server 2005
The report is throwing error, when changing the logon information dynamically through C#.
Code
     string reportPath = @"D:\NET\TestReport\TestReport.rpt";
     ReportDocument reportDocument = new ReportDocument();
     reportDocument.Load(reportPath);
     foreach(CrystalDecisions.CrystalReports.Engine.Table table in tables)
          TableLogOnInfo tableLogonInfo = table.LogOnInfo;
          tableLogonInfo.ConnectionInfo.ServerName = @"TestServer\Instance1"; //Connnecting to Named instance of SQL Server 2005
          tableLogonInfo.ConnectionInfo.UserID = "sa";
          tableLogonInfo.ConnectionInfo.Password = "password";
          tableLogonInfo.ConnectionInfo.DatabaseName = "TEST_DB";
          table.ApplyLogOnInfo(tableLogonInfo);
     crystalReportViewer1.ReportSource = reportDocument;
Error Message
     Failed to open the connection.
     Failed to open the connection.
     C:\DOCUME1\PUGALE1\LOCALS~1\Temp\{DF9593A5-5C80-4CBC-ABC3-EC4EF204A7EB}.rpt
The error is occuring only whenever i am connecting to the Named Instance of SQL Server 2005.
Thanks in Advance
Edited by: pugalendran p on Feb 2, 2009 10:32 AM
Edited by: pugalendran p on Feb 2, 2009 10:43 AM

Hi,
Following solution might help you to resolve the issue.
Solution1:
Issue happens because universe connection to the Database is not responding and the Data Source Name is not configured to write SQL Server 2005 database.
Resolution
Created new DSN connection under SYSTEM DSN to SQL Server 2005 Database.
Import the universe from the designer.
Go to File->Parameters.
Edit Connection.
On the Database Middleware Page expand SQl Server 2005->Select SQL Server 2005 driver.
Change the DSN to new DSN connection
Test the connection.
Save the Universe and Export it to the repository.
Solution2:
I am taking Oracle as an example over here.
This can be caused when the SQLNET.ora is located in a remote location using mapped drives.
Resolution
To resolve,
check the registry [HKLM\SOFTWARE\ORACLE] you should see a folder called HOME0
look for any paths that contain a mapped drive partition
Change the mapped drive letter to a UNC path (
server\folder)
Open a command prompt and do a tnsping using the tnsname and verify the location of the SQLNET.ora or TNSNAMES.ora
If the path is not updated to the new path
Reboot the server
Regards,
Sarbhjeet Kaur

SQL Server 2005 data pull from Oracle

Hi, I am learning how to use Oracle and I ran into this problem.
My database is running on SQL Server 2005.
I have an ODBC connection to Oracle. I also have a VB .Net script that queries the Oracle table that the data resides in.
When the job is running, and if it stalls, I do not get a timeout error. It locks down my database and no other source systems can feed data to me; these are back logged in the queue.
Is there an easier way for me to make a connection that will pull data on a consistent basis? Please help ...
Student Learner

Learning how to use Oracle does not include taking data from Oracle and putting it into SQL Server.
From your description of what is happening I agree with BluShadow. This is not an Oracle issue. This is a coding in VB .NET issue.
Posting the statements you are executing against some unknown version of Oracle would be a good starting point.

SQL Server 2005 performance decreases with DB size while SQL Server 2012 is fine

Hi,
We have a C# windows service running that polls some files and inserts/updates some fields in database.
The service was tested on a local dev machine with SQL Server 2012 running and performance was quite decent with any number of records. Later on the service was moved to a test stage environment where SQL Server 2005 is installed. At that point database
was still empty and service was running just fine but later on, after some 500k records were written, performance problems came to light. After some more tests we've founds out that, basically, database operation performance in SQL Server 2005 decreases with
a direct correlation with the database size. Here are some testing results:
Run#
1
2
3
4
5
DB size (records)
520k
620k
720k
820k
920k
SQL Server 2005
TotalRunTime
25:25.1
32:25.4
38:27.3
42:50.5
43:51.8
Get1
00:18.3
00:18.9
00:20.1
00:20.1
00:19.3
Get2
01:13.4
01:17.9
01:21.0
01:21.2
01:17.5
Get3
01:19.5
01:24.6
01:28.4
01:29.3
01:24.8
Count1
00:19.9
00:18.7
00:17.9
00:18.7
00:19.1
Count2
00:44.5
00:45.7
00:45.9
00:47.0
00:46.0
Count3
00:21.7
00:21.7
00:21.7
00:22.3
00:22.3
Count4
00:23.6
00:23.9
00:23.9
00:24.9
00:24.5
Process1
03:10.6
03:15.4
03:14.7
03:21.5
03:19.6
Process2
17:08.7
23:35.7
28:53.8
32:58.3
34:46.9
Count5
00:02.3
00:02.3
00:02.3
00:02.3
00:02.1
Count6
00:01.6
00:01.6
00:01.6
00:01.7
00:01.7
Count7
00:01.9
00:01.9
00:01.7
00:02.0
00:02.0
Process3
00:02.0
00:01.8
00:01.8
00:01.8
00:01.8
SQL Server 2012
TotalRunTime
12:51.6
13:38.7
13:20.4
13:38.0
12:38.8
Get1
00:21.6
00:21.7
00:20.7
00:22.7
00:21.4
Get2
01:38.3
01:37.2
01:31.6
01:39.2
01:37.3
Get3
01:41.7
01:42.1
01:35.9
01:44.5
01:41.7
Count1
00:20.3
00:19.9
00:19.9
00:21.5
00:17.3
Count2
01:04.5
01:04.8
01:05.3
01:10.0
01:01.0
Count3
00:24.5
00:24.1
00:23.7
00:26.0
00:21.7
Count4
00:26.3
00:24.6
00:25.1
00:27.5
00:23.7
Process1
03:52.3
03:57.7
03:59.4
04:21.2
03:41.4
Process2
03:05.4
03:06.2
02:53.2
03:10.3
03:06.5
Count5
00:02.8
00:02.7
00:02.6
00:02.8
00:02.7
Count6
00:02.3
00:03.0
00:02.8
00:03.4
00:02.4
Count7
00:02.5
00:02.9
00:02.8
00:03.4
00:02.5
Process3
00:21.7
00:21.0
00:20.4
00:22.8
00:21.5
One more thing is that it's not Process2 table that constantly grows in size but is Process1 table, that gets almost 100k records each run.
After that SQL Server 2005 has also been installed on a dev machine just to test things and we got exactly the same results. Both SQL Server 2005 and 2012 instances are installed using default settings with no changes at all. The same goes for databases
created for the service.
So the question is - why are there such huge differences between performance of SQL Server 2005 and 2012? Maybe there are some settings that are set by default in SQL Server 2012 database that need to be set manually in 2005?
What else can I try to test? The main problem is that production SQL Server will be updated god-knows-when and we can't just wait for that.
Any suggestions/advices are more than welcome.

...One more thing is that it's not Process2 table that constantly grows in size but is
Process1 table, that gets almost 100k records each run....
Hi,
It is not clear to me what is that you are doing, but now we have a better understanding on ONE of your tables an it is obviously you will get worse result as the data become bigger. Actually your table look like a automatic build table by ORM like Entity
Framework, and it's DDL probably do not much your needs. For example if your select query is using a filter on the other column that [setID] then you have no index and the server probably have to scan the entire table in order to find the records that you
need.
Forum is a suitable place to seek advice about a specific system (as I mentioned before we are not familiar with your system), and it is more suitable for general questions. For example the fact that you have no index except the index on the column [setID]
can indicate a problem. Ultimately to optimize the system will need to investigate it more thoroughly (as it is no longer appropriate forum ... but we're not there yet). Another point is that now we can see that you are using [timestamp] column, an this
implies that your are using this column as a filter for selecting the data. If so, then maybe a better DDL will be to use clustered index on this column and if needed a nonclustered index on the [setID] if it is needed at all...
what is obviously is that next is to check if this DDL fit
your specific needs (as i mentioned before).
Next step is to understand what action do you do with this table. (1) what is your query which become slowly in a bigger data set. (2) Are you using ORM (object relational mapping, like Entity Framework
code first), and if so then which one.
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Oracle 10g dblink to sql server 2005

Hi all,
I'm conecting oracle 10g r2 (windows xp) with sql server 2005 (windows 2003 server)
After configure ODBC connection to SQLSERVER, the DSN is called HUAWEI_DCDB
I configure these three (3) archives:
1) C:\oracle\product\10.2.0\db_1\hs\admin\initHUAWEI_DCDB.ora
# This is a sample agent init file that contains the HS parameters that are
# needed for an ODBC Agent.
# HS init parameters
HS_FDS_CONNECT_INFO = HUAWEI_DCDB
HS_FDS_TRACE_LEVEL = OFF
2) C:\oracle\product\10.2.0\db_1\NETWORK\ADMIN\listener.ora
# listener.ora Network Configuration File: C:\oracle\product\10.2.0\db_1\network\admin\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = mpr-1420)(PORT = 1522))
SID_LIST_LISTENERSQL =
(SID_LIST =
(SID_DESC =
(SID_NAME = HUAWEI_DCDB)
(ORACLE_HOME = C:\oracle\product\10.2.0\db_1)
(PROGRAM = hsodbc)
LISTENERSQL =
(ADDRESS_LIST=
(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1523))
(ADDRESS=(PROTOCOL=ipc)(KEY=PNPKEY)))
3) C:\oracle\product\10.2.0\db_1\NETWORK\ADMIN\tnsnames.ora
# tnsnames.ora Network Configuration File: C:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
LISTENER_ORCL =
(ADDRESS = (PROTOCOL = TCP)(HOST = mpr-1420)(PORT = 1522))
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = mpr-1420)(PORT = 1522))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
HUAWEI_DCDB =
(DESCRIPTION=
(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1523))
(CONNECT_DATA=(SID=hsagent))
(HS=OK)
And when I tried to query sql server trought dblink, get these errors:
SQL> create public database link HUAWEI_DCDB using 'HUAWEI_DCDB';
Database link created.
SQL> select * from tbl_policyinfo@HUAWEI_DCDB;
select * from tbl_policyinfo@HUAWEI_DCDB
ERROR at line 1:
ORA-28545: error diagnosed by Net8 when connecting to an agent
Unable to retrieve text of NETWORK/NCR message 65535
ORA-02063: preceding 2 lines from HUAWEI_DCDB
Anyone have idea about the error???
Thanks,
Manuel

Hi,
You have the wrong values in the tnsnames.ora entry.
You have -
HUAWEI_DCDB =
(DESCRIPTION=
(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1523))
(CONNECT_DATA=(SID=hsagent))
(HS=OK)
but the CONNECT_DATA information is incorrect. it should be -
HUAWEI_DCDB =
(DESCRIPTION=
(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1523))
(CONNECT_DATA=(SID=HUAWEI_DCDB))
(HS=OK)
The sid needs to match the sid defined in the listener.ora for the gateway.
The actual tnsnames.ora entry should have spaces at the beginning of each line except the first, as they are lost in the forum entries.
Once this is fixed you may also have a problem unless you put a user and password in the create database link statement -
create public database link HUAWEI_DCDB connect to "userid" identified by "password" using 'HUAWEI_DCDB';
One other point is that 10.2 HSODBC is now desupported and has been replaced by the 11g Database Gateway for ODBC (DG4ODBC). You should plan to install and use that instead of HSODBC to be on a fully supported product.
Regards,
Mike
Edited by: mkirtley on Nov 9, 2010 8:16 AM

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