PRCR-1079 : Failed to start resource oranode1-vip. CRS-2680 Clean failed....
Last week we had a clusterware issue on one of the critical 3 node RAC environment. In the first node, network resource is restarted by ending up killing all sessions on that node abnormally. Oracle...
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Second OCM exam is cleared. New book and online course are on the way
2 months ago after a long preparation I decided to upgrade my OCM certification and registered for the exam in Shanghai. Few years ago when I cleared 10g OCM exam I started my preparations for the...
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Connect to Oracle from Python – write your first Python script!
Python is getting more popular nowadays, because it is reliable and efficient, it has great corporate sponsors, and because of it’s amazing libraries that helps you to save time during the initial...
View ArticleSolution for ORA-27154: post/wait create failed ; ORA-27302: failure occurred...
Today, while creating an empty database in Exadata machine where there was enough free space and memory, we got the following error: SYS@TEST> startup nomount ORA-27154: post/wait create failed...
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Exadata storage cell rolling restart caused datafile and redo log file header...
24 hours passed – still at work. Struggling to start up the database which was corrupted during cell storage rolling restart procedure. And I’ve never seen some Oracle error messages that I saw today....
View ArticleInvestigation on why database doesn’t start after successfully dropping a...
Few months ago, while performing storage migration I faced an interesting issue which could lead to potential downtime if I didn’t notice a hidden warning in the log file. The plan was to create a new...
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