Author Archives: Ugurcan

About Ugurcan

Exadata Engineer

How to reset Exadata root password

This is a little bit Linux server issue.If you’re familiar with resetting root password on Linux server,it will be easy for you. Here the action plan: Please note: From step 2 below all commands have to be executed on System … Continue reading

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ORA-01624: log 73 needed for crash recovery of instance

On the primary standby side,when I tried to drop log file I got this error. Why I need to drop this redolog file,the reason is that resized online redol log file on primary side SQL> ALTER DATABASE CLEAR LOGFILE GROUP … Continue reading

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GİDERAYAK Gide…

GİDERAYAK Giderayak işlerim var bitirilecek, giderayak. Ceylanı kurtardım avcının elinden ama daha baygın yatar ayılamadı. Kopardım portakalı dalından ama kabuğu soyulamadı. Oldum yıldızlarla haşır neşir ama sayısı bir tamam sayılamadı. Kuyudan çektim suyu ama bardaklara konulamadı. Güller dizildi tepsiye ama … Continue reading

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How can I enable the Exadata Write Back Flash cache ?

Exadata storage version 11.2.3.2.1 is the minimum version required to use this write back flash cache option. Oracle rdbms software 11.2.0.3 BP9  or later is necessary. If you find in AWR reports “free buffer waits” or high I/O time for … Continue reading

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Exalogic connection to Exadata with SDP Protocol over Virtual Infiniband IPs

Last week,Some developers ask me how we can connect our Weblogic(in the exalogic) server to exadata,I quickly read the ACS document. Summaries in briefly, First of all,you need to define a new LISTENER which is named LISTENER_IB at the Exadata … Continue reading

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ORA-00700: soft internal error, arguments: [main_6a], [3], [Invalid IP addresses in cellinit.ora file]

Last weekend,I have successfully upgraded the quarter exadata software version from 11.2.1.2.6 to 11.2.2.4.2 Before upgrade: But on the cell side,celld was not able to start successfully. MS and RS service were started,but cellsrv was not. # service celld status/restart … Continue reading

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2011 Dünya Snooker şampiyonası

2011 Dünya Snooker şampiyonası Sheffield de dün gece sonra erdi.18-15 lik skor ile Higgins kupanın sahibi oldu. Gönlüm Judd Trump ın şampiyon olması yönünde idi.Geleceğin Sulivan ı olacak.Daha 21 yaşında olmasına rağmen,o kadar baskı ve Higgins gibi bir cezalandırıcı karşısından … Continue reading

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