December 2015

ORA-1545 during DROP ROLLBACK SEGMENT <rbsname>

ORA-1545 may be signalled during a "DROP ROLLBACK SEGMENT" if the
rollback segment is currently online.
eg: SVRMGR> drop rollback segment rprbs;
drop rollback segment rprbs
*
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DBA_ROLLBACK_SEGS entry of status "NEEDS RECOVERY" or "PARTLY AVAILABLE"

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DBA_ROLLBACK_SEGS entry of status "NEEDS RECOVERY"
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The DBA_ROLLBACK_SEGS view shows a rollback segment as "NEEDS RECOVERY"
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ORA-1545 during Oracle Startup

[oracle@ocp2 ~]$ oerr ora 1545
01545, 00000, "rollback segment '%s' specified not available"
// *Cause: Either:
//         1) An attempt was made to bring a rollback segment online that is
//            unavailable during startup; for example, the rollback segment
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ORA-1578 on Oracle Startup

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Oracle STARTUP GIVES ORA-1172 AND ORA-600[3020]

PROBLEM:

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Oracle ASM COMMUNICATION ERROR CAUSING THE INSTANCE TO CRASH

ASM communication error has been reported by RDBMS which is leading to 

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Oracle ASM DISKGROUP WILL NOT MOUNT AFTER ADDING DISKS

This environment is using secure file. There is no backup due to customer

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Oracle ORA-600 [3020] , ORA-353 DURING DATABASE RECOVERY

this happened 3 times  on 3 different archivedlogs in a recent recovery.

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Oracle CORRUPTING DATABASE OPEN FAILS WITH ORA-704, ORA-376 AND ORA-1092

full database restore from hot backup taken 03-SEPT.

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ORA-600 [KTSSDRO_SEGMENT1] ON STARTUP – DB OPENS, BUT CRASHES IMMEDIATELY

CT was initially receiving an ORA-600[25012][1][3]

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