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FIX for Online index build corruption issues in SQL Server 2012 (SP1 & SP2)

Antonios Chatzipavlis
Saturday 21 June 2014

Όσοι έχετε εγκατεστημένο σε παραγωγικό περιβάλλον SQL Server 2012 θα πρέπει να βάλετε το παρακάτω fix το οποίο διορθώνει ένα πρόβλημα που εμφανίζεται κάτω από συγκεκριμένες συνθήκες όταν κάνεις online clustered index rebuild και έχει να κάνει με απώλεια δεδομένων.

To συγκεκριμένο issue διορθώνεται με το CU 10 του SP1 αλλά δεν υπάρχει στο SP2 για αυτό και πρέπει να βάλετε το αντίστοιχο hotfix που έχει δημιουργηθεί για το SP2.

Στο KB2969896 (http://support.microsoft.com/kb/2969896) υπάρχουν και τα δύο hotfixes το ένα για το SP1 και το άλλο SP2. Τα συγκεκριμένα hotfixes θα συμπεριληφθούν στα επόμενα CUs των SP1 & SP2 αλλά καλό είναι να μην περιμένει κανείς αυτά.

SQL Server 2014

Επίσης το ίδιο υπάρχει και στον SQL Server 2014 και για αυτό θα πρέπει όταν κάνετε index build, rebuild, reorganize μεχρι να βγει η διόρθωση για αυτό να το κάνετε με MAXDOP=1. Η πρόβλεψη για την διόρθωση στον SQL Server 2014 είναι με το CU2

Antonios Chatzipavlis

Antonios Chatzipavlis

Antonios is a Data Solutions Consultant and Trainer. He has been working in IT since 1988. In his career, he has worked as senior developer, IT Manager, Solutions Architect and IT Consultant. Since 1995 he has been devoted on new technologies and software development tools, mainly by Microsoft, either by training company staff and colleagues or assisting them in design, development and implementation as a consultant or chief developer. He has focused in Databases and Data Science since 1995. He specialized in Microsoft SQL Server since version 6.0 in areas like SQL Server Internals, Database Design and Development, Business Intelligence and in 2010 he has started working with Azure Data Platform, NoSQL databases, Big Data Technologies and Machine Learning. He is an active member of many IT communities in Greece, answering colleagues' questions and writing articles in his web site. He is the owner of SQLschool.gr which is a community portal with a lot of information about Microsoft SQL Server. He has been a Microsoft Certified Trainer (MCT) since 2000. Microsoft honored him as MVP on Data Platform due to his activities in SQL Server since 2010. He holds a large number of Microsoft Certifications and Microsoft SQL Server Certifications since version 6.5.


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