Remigium
... about my professional issues
Friday, 14 December 2018
ORA-07286: sksagdi: cannot obtain device information
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Lately we had an issue regarding a Dataguard configuration - quite myesterious. In dgmgrl there were reported standard errors about broken ...
Thursday, 22 November 2018
Logon storms
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https://www.slideshare.net/tanelp/tanel-poder-troubleshooting-complex-oracle-performance-issues-part-1 RATE_LIMIT parameter in listener.or...
Tuesday, 2 October 2018
Work with EMCLI
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Starting the work Initially one have to login - without that the commands are not recognized as valid and even help is reduced [oracle@hos...
Tuesday, 11 September 2018
ASM: moving disk between groups
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SQL> select name||':'||path from v$asm_disk; [..] DATA_0008:/dev/oracleasm/disks/ASMDISK9 -- the operation SQL> alter diskg...
Wednesday, 11 July 2018
Broken DG configuration
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Few days ago I 've run into the following situation on a DG configuration: the primary shipped logs to the standby properly, but report...
Role order
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Lately a colleague of mine run into the problem with too many roles - some account have them 150, while maximally allowed are 148. He wanted...
Friday, 29 June 2018
ORA-01554: transaction concurrency limit reached reason:no undo segment found with available slot params:0, 0 :
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Some time ago I found such error on one of our databases. It is a bit mysterious as there are not much about it on Metalink (few bugs) or on...
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