SAP Export/Import via R3load

Hello,
SAP recommended a sorted export/import for oracle databases. A unsorted export/import ist very very quicker than a sorted export/import.
very quicker means sorted = eg. 56 hours and unsorted eg. 12 hours.
Is there any problems if i take the unsorted export?
regards,
stefan

Hello Stefan,
>> SAP recommended a sorted export/import for oracle databases
That fact relies on database internal facts like clustering factor of indexes to the table. You will benefit of a sorted export in cases of primary indexes access and so on... but this topic is much bigger than your question.
>> very quicker means sorted = eg. 56 hours and unsorted eg. 12 hours.
Where did you get this values from? You can split big tables or packages ... or define parallel access paths and so on... and it depends on your database configuration (sort areas, PGA, etc..)
I have done some migrations/exports with distmon... and optimized it manually ... so i got from round about 72 hours (normal export with some split packages) to only 12 hours. I have done only sorted exports.
>> Is there any problems if i take the unsorted export?
Some tables must be exported sorted (for example cluster tables) - have a look at sapnote #954268 ... but generally there are no "problems".
If you have a BW system... some rules are changing...
@ Markus:
>> You mean the usage of "R3load -loadprocedure fast"? Or how do you do the "unsorted unload"?
The option "loadprocedure fast" has nothing to do with the unload process. It speeds up the import (insert) by bypassing the buffer cache. Refer to sapnote #1045847 and the following link:
http://download-east.oracle.com/docs/cd/B10501_01/server.920/a96524/c21dlins.htm
Regards
Stefan

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Tablespace export import via datapump

Friends ,
I want to export a particular tablespace using datapump "expdp" and also import it to a new tablespace of a new database . Using datapump , is it possible to do ?
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Maybe it's easier to use Transportable Tablespaces, see http://download.oracle.com/docs/cd/B19306_01/server.102/b14231/tspaces.htm#sthref1281
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We are using SAP ERP EHP4 system on Windows with SAP MaxDB (Version: 7.7.07.09).
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Hi Rahul
regarding your 'Unicode doubt"' some ideas:
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In the Technical Unicode FAQ you read under "What are the advantages of Unicode ...", that "Proper usage of JAVA is only possible with Unicode systems (for example, ESS/MSS or interfaces to Enterprise Portal). ....
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Your question is so extensive that should be explained a bit.
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Hi,
We are testing System copy using R3load ( Export / Import ) using our production data.
Environment : 46C / Oracle.
while executing export, it takes more than 20 hours, for the data to get exported, we want to reduce the export time drastically. hence, we want to achieve it by scrutinizing the input parameters.
during export, there is a parameter by name splitting the *.STR and *.EXT files for R3load.
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My Question 2: If the answer is yes to Question 1, will the time reduced will be significant enough ? or how much percentage of time we can expect it to reduce, compare to a No Input.
Best Regards
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Hi
The time of the export depends on the size of your database (and the size of your biggest tables) and your hardware capacity.
My question 1 : If we input yes instead of No and split the *.STR and *.EXT files, will the export time get reduced ?
In case you have a few very large tables, and you have multiple cpu's and a decent disk storage, then splitting might significantly reduce the export time.
My Question 2: If the answer is yes to Question 1, will the time reduced will be significant enough ? or how much percentage of time we can expect it to reduce, compare to a No Input.
As you did not tell us about your database size and hardware details there is no way to give you anything but very basic metrics. Did you specify a parallel degree at all, was your hardware idling for 20 hrs or fully loaded already?
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Export & import of sap sid schema for building a new system

Hi,
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We can Import/export tables using hdbsql CLI.
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SAP HANA: IMPORT/EXPORT Views | SCN
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http://scn.sap.com/thread/2141404
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Thanks for the explanation.
What I am trying to achieve is to create an automate script which should export all tables and views for a schema and again import tables and views in a different schema.
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Upgrade from 8.1.6 to 9.2.0.7 via export/import

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Yes, building a database in a new release and then exporting the existing database using its version of the exp utility, performing a binary copy of the exp file to the new server, and then running the new version imp utility using the transferred dmp file was the standard method of moving databases to new platforms/versions for many years. The same process could always be used on the same server between equal or from a current to a new release.
HTH -- Mark D Powell --

System copy using SAPInst(Export Import database Independent prcoess failed

Hello ,
I am doing a System copy using SAPInst export/import process .
Source system : SAP Netweaver'04( BW 3.5 , Kernel : UC 640 ,Patch level 196 )
Export process fails at Phase 2 - Database Export at R3load jobs running 1,waiting 0 . Below is the log details
SAPSDIC.log
(EXP) INFO: entry for BAPICONTEN                        in DDNTT is newer than in DDNTT_CONV_UC: 20040211101817 > 20000621155733
(EXP) INFO: entry for BAPICONTENT255                    in DDNTT is newer than in DDNTT_CONV_UC: 20040211101817 > 20031127161249
(EXP) INFO: entry for BAPICONVRS                        in DDNTT is newer than in DDNTT_CONV_UC: 20040211101817 > 20010131174038
(EXP) INFO: entry for BAPICREATORDATA                   in DDNTT is newer than in DDNTT_CONV_UC: 20040211101817 > 20000621155733
(EXP) INFO: entry for BAPICRMDH1                        in DDNTT is newer than in DDNTT_CONV_UC: 20051229175654 > 20031211120714
(EXP) INFO: entry for BAPICRMDH2                        in DDNTT is newer than in DDNTT_CONV_UC: 20051229175654 > 20031211120714
(EXP) INFO: entry for BAPICRMEXP                        in DDNTT is newer than in DDNTT_CONV_UC: 20051229175513 > 20031211120627
(EXP) INFO: entry for BAPICRMEXT                        in DDNTT is newer than in DDNTT_CONV_UC: 20051229175514 > 20031211120627
(EXP) INFO: entry for BAPICRMKEY                        in DDNTT is newer than in DDNTT_CONV_UC: 20051229175654 > 20031211120714
(EXP) INFO: entry for BAPICRMKEY_T                      in DDNTT is newer than in DDNTT_CONV_UC: 20051229175835 > 20031211120803
(EXP) INFO: entry for BAPICRMMSG                        in DDNTT is newer than in DDNTT_CONV_UC: 20051229175654 > 20031211120714
(EXP) INFO: entry for BAPICRMMSG_T                      in DDNTT is newer than in DDNTT_CONV_UC: 20051229175835 > 20031211120803
(EXP) INFO: entry for BAPICRMOBJ                        in DDNTT is newer than in DDNTT_CONV_UC: 20051229175514 > 20031211120628
(EXP) INFO: entry for BAPICRMPAREX_T                    in DDNTT is newer than in DDNTT_CONV_UC: 20051229175452 > 20031211120305
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(EXP) INFO: check for inactive NameTab entries: Ok.
(RSCP) INFO: I18N_NAMETAB_TIMESTAMPS not in env: checks are ON (Note 738858)
(DB) INFO: disconnected from DB
D:\usr\sap\B35\SYS\exe\run/R3load.exe: job finished with 1 error(s)
D:\usr\sap\B35\SYS\exe\run/R3load.exe: END OF LOG: 20100113131216
***SAPCLUST.log ****
(NT) Warn: EDIDOC: normal NameTab from 20040211095029 younger than alternate NameTab from 20000621155733!
(EXP) TABLE: "EDIDOC"
(NT) Warn: PCDCLS: normal NameTab from 20040211095029 younger than alternate NameTab from 20000621155733!
(EXP) TABLE: "PCDCLS"
(NT) Warn: SFHOA: normal NameTab from 20040211095029 younger than alternate NameTab from 20000621155733!
(EXP) TABLE: "SFHOA"
(NT) Warn: SFHYT: normal NameTab from 20040211095029 younger than alternate NameTab from 20000621155733!
(EXP) TABLE: "SFHYT"
(NT) Warn: UMG_TEST_C: normal NameTab from 20040211095029 younger than alternate NameTab from 20031113150115!
(EXP) TABLE: "UMG_TEST_C"
myCluster (55.22.Exp): 712: error when retrieving alternate nametab description for physical table UMG_TEST_F.
myCluster (55.22.Exp): 713: return code received from nametab is 32
myCluster (55.22.Exp): 299: error when retrieving physical nametab for table UMG_TEST_F.
(CNV) ERROR: data conversion failed. rc = 2
(RSCP) INFO: I18N_NAMETAB_TIMESTAMPS not in env: checks are ON (Note 738858)
(DB) INFO: disconnected from DB
D:\usr\sap\B35\SYS\exe\run/R3load.exe: job finished with 1 error(s)
D:\usr\sap\B35\SYS\exe\run/R3load.exe: END OF LOG: 2010011312563
Please suggest.
Thanks & Regards
Ganesh

Is your DB unicode? If so, did you select the unicode flag in sapinst?
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Regarding Distribution Monitor for export/import

Hi,
We are planning to migrate the 1.2TB of database from Oracle 10.2g to MaxDB7.7 . We are currently testing the database migration on test system for 1.2TB of data. First we tried with just simple export/import i.e. without distribution monitor we were able to export the database in 16hrs but import was running for more than 88hrs so we aborted the import process. And later we found that we can use distribution monitor and distribute the export/import load on multiple systems so that import will get complete within resonable time. We used 2 application server for export /import but export completed within 14hrs but here again import was running more than 80hrs so we aborted the import process. We also done table splitting for big tables but no luck. And 8 parallel process was running on each servers i.e. one CI and 2 App servers. We followed the document DistributionMonitorUserGuide from SAP. I observerd that on central system CPU and Memory was utilizing above 94%. But on 2 application server which we added on that servers the CPU and Memory utilization was very low i.e. 10%. Please find the system configuration as below,
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App Server2 - 8CPU (550Mhz) 16GB RAM
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Please can someone let me know how to improve the import time. And also if someone has done the database migration from Oracle 10.2g to MaxDB if they can tell how they had done the database migration will be helpful. And also if any specific document availble for database migration from Oracle to MaxDB will be helpful.
Thanks,
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> And also when i used top unix command on APP servers i was able to see only one R3load process to be in run state and all other 7 R3load process was in sleep state. But on central instance all 8 R3load process was in run state. I think as on APP servers all the 8 R3load process was not running add a time that could be the reason for very slow import.
> Please can someone let me know how to improve the import time.
R3load connects directly to the database and loads the data. The quesiton is here: how is your database configured (in sense of caches and memory)?
> And also if someone has done the database migration from Oracle 10.2g to MaxDB if they can tell how they had done the database migration will be helpful. And also if any specific document availble for database migration from Oracle to MaxDB will be helpful.
There are no such documents available since the process of migration to another database is called "heterogeneous system copy". This process requires a certified migration consultant ot be on-site to do/assist the migraiton. Those consultants are trained specially for certain databases and know tips and tricks how to improve the migration time.
See
http://service.sap.com/osdbmigration
--> FAQ
For MaxDB there's a special service available, see
Note 715701 - Migration to SAP DB/MaxDB
Markus

Export/Import and Client Copy

Hi All,
Could you please help me with what are the major differences between Export/Import...client copy...and a System Refresh.How they differ from each other.
Regards
Rajesh

Hello Rajesh ,
I have capture some data from SAP Help :
Local Copy: Copying Clients Within a System:
You can improve the performance of the client copy by, for example, by excluding tables or packages, with Edit -> Expert Settings.
You can exclude tables from the client copy, for example if they are not relevant for the target client, in the Tables tab
Copying Clients Between Systems (Remote Copy):
The same product is installed, with the same release, in both systems
The client copier can copy a client into another system. The systems can be on different platforms. You can change the client number.
When you copy a client from one system to another, the data is transferred directly via the RFC interface - there is no intermediate storage on hard disk.
Transporting Clients Between Systems ;Client export (SCC8):
The client copier can copy a client into another system, which can be on a different platform. You can change the client number.
You are no longer required to transport clients before you can copy them between systems. You can make a remote copy instead.
Up to three transport requests are created, depending on the selected copy profile and the existing data.
The transport request for texts is e.g. only created if the source client contains customer texts.
<sid>KO<no> cross-client data
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<sid>KX<no> texts and forms
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Import transport requests into the target client (STMS)
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Import these transport requests into the target client.
client import postprocessing (SCC7)
You need to perform postprocessing activities to adapt the runtime environment to the current state of the data.
Copy by Transport Request :
This function transports customizing changes that have been recorded in a transport request between two clients in a system.
You can choose whether you only copy the object list of the request or also the object lists of unreleased tasks in the request.
Entries in the target client are overwritten or deleted according to the key entries in the transport request.
Choose Administration -> System administration -> Administration -> Client admin. ->Special Functions -> Copy Transport Request.
<a href="http://help.sap.com/saphelp_nw70/helpdata/en/69/c24c0f4ba111d189750000e8322d00/frameset.htm">For more info Click here</a>
Regards ,
Santosh Karadkar

SAP Export/Import via R3load

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