Answer / syed mahboob feroz ahmed

Hi,
There are many questions related to Lock entries and they
are as follows:

1)Where can one see lock entries?
2)what is the T code to see lock entries?
3)what are SAP Security T codes and what is the role of
SM12 ,SM13 and SM21 in SAP Security?
4)If a lock entry occurs which work process takes place?
5)Where can one see information related to lock entries
which is being updated?
6)how can one overcome lock entry updates if the error has
been updated to overcome lock entry without trace ?
7)what are the options available for cancelling lock
entries ?
8)How many types of cancelling the lock entry exists?
9)what does "Cancel with Core" and "Cancel without Core"
means ?
10)Where can one see information related to update error
logs?
11)what System logs do SM21 show whether OS level or SAP
level?

Answer / sai krishna

SM12:

1.what are deadlocks and concept of it?

2.i am unable to update some data in to a particular table what is the basic reason behind it?

3.how many types of table locks are present and where they are monitored?

4.how to find whether a table lock is active or not and how to analyze what data is updating in that table?

SM13:

1.where you will find the update statics?

2.In some transaction you are updating something and the update got failed at some point ,how where will you see the detailed logs of it?

Sm21:

1.all the system logs can be seen in this tcode,like switching of WPS,rfc connection status,certificates status if any expired,if any transaction cancelled,if any runtime error what not you can see all the system of all the application servers logs

Answer / ravi

They are 2 locks one is blue lock and another one is Block
lock after refresh change the lock status and Database
lock,spool lock,user lock and update locks and table locaks

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2 Answers  

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2 Answers   Terrenos,

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0 Answers  

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7 Answers   Satyam,

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2 Answers  

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what is the workbench organiser and customizing organiser in transport ?

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How to resolve lock overflow issue . with out restarting the production system ?

2 Answers   L&T,

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What are the question will be asked on SM12(lock entries) and SM13(updates) and SM21 (system logs) transaction activities .

3 Answers  

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How to move data and cofiles from Sandbox

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5 Answers  

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