How did you determine it was because of a corrupted table? What errors/messages did you receive or find? Maybe something happened in your storage tier causing node evictions? More information would be helpful. Sent from my Verizon Wireless BlackBerry -----Original Message----- From: Ozgur Ozdemircili <ozgur.ozdemircili@xxxxxxxxx> Date: Sat, 29 May 2010 01:06:20 To: ORACLE-L<oracle-l@xxxxxxxxxxxxx> Subject: Severity 01 Hi, Well not good news. It seems one of our tables got corrupted, causing all RAC instances restart.We have opened a Severity 1 SR and waiting. Please share your experiences on this: -Service provider talks about a table getting corrupted and says that it causing the problem?Is it even possible ? -How long does it take normally the Oracle technics to respond ? Özgür Özdemircili http://www.acikkod.org Code so clean you could eat off it