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Removing a semaphore set for Oracle
Oracle Tips by Burleson Consulting

 

Removing a semaphore set for Oracle

We start by issuing the ipcs –sb command to display details of the semaphore set.

root> ipcs -sb|grep oracle
s 67 0x00000000 --ra-r----- oracle Remote DBA 400
s 223 0x00000000 --ra-r----- oracle Remote DBA 400
s 334 0x00000000 --ra-r----- oracle Remote DBA 300


Now, we can remove the semaphores from the locked-up database. In this example, we assume that set 223 is the one for the crippled database.}

root> ipcrm -s 223

Now we can confirm that the semaphores are deleted.

root> ipcs -sb|grep oracle

s 67 0x00000000 --ra-r----- oracle Remote DBA 400
s 334 0x00000000 --ra-r----- oracle Remote DBA 300


The above is an excerpt from the "Oracle9i UNIX Administration Handbook" by Oracle press, authored by Donald K. Burleson.

 

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